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37578 commits

Author SHA1 Message Date
Linus Torvalds
b711538a40 hyperv-fixes for v6.6-rc6
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Merge tag 'hyperv-fixes-signed-20231009' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv fixes from Wei Liu:

 - fixes for Hyper-V VTL code (Saurabh Sengar and Olaf Hering)

 - fix hv_kvp_daemon to support keyfile based connection profile
   (Shradha Gupta)

* tag 'hyperv-fixes-signed-20231009' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  hv/hv_kvp_daemon:Support for keyfile based connection profile
  hyperv: reduce size of ms_hyperv_info
  x86/hyperv: Add common print prefix "Hyper-V" in hv_init
  x86/hyperv: Remove hv_vtl_early_init initcall
  x86/hyperv: Restrict get_vtl to only VTL platforms
2023-10-10 11:01:21 -07:00
Shradha Gupta
42999c9046 hv/hv_kvp_daemon:Support for keyfile based connection profile
Ifcfg config file support in NetworkManger is deprecated. This patch
provides support for the new keyfile config format for connection
profiles in NetworkManager. The patch modifies the hv_kvp_daemon code
to generate the new network configuration in keyfile
format(.ini-style format) along with a ifcfg format configuration.
The ifcfg format configuration is also retained to support easy
backward compatibility for distro vendors. These configurations are
stored in temp files which are further translated using the
hv_set_ifconfig.sh script. This script is implemented by individual
distros based on the network management commands supported.
For example, RHEL's implementation could be found here:
https://gitlab.com/redhat/centos-stream/src/hyperv-daemons/-/blob/c9s/hv_set_ifconfig.sh
Debian's implementation could be found here:
https://github.com/endlessm/linux/blob/master/debian/cloud-tools/hv_set_ifconfig

The next part of this support is to let the Distro vendors consume
these modified implementations to the new configuration format.

Tested-on: Rhel9(Hyper-V, Azure)(nm and ifcfg files verified)
Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Reviewed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/1696847920-31125-1-git-send-email-shradhagupta@linux.microsoft.com
2023-10-10 03:42:29 +00:00
Linus Torvalds
f291209eca Including fixes from Bluetooth, netfilter, BPF and WiFi.
I didn't collect precise data but feels like we've got a lot
 of 6.5 fixes here. WiFi fixes are most user-awaited.
 
 Current release - regressions:
 
  - Bluetooth: fix hci_link_tx_to RCU lock usage
 
 Current release - new code bugs:
 
  - bpf: mprog: fix maximum program check on mprog attachment
 
  - eth: ti: icssg-prueth: fix signedness bug in prueth_init_tx_chns()
 
 Previous releases - regressions:
 
  - ipv6: tcp: add a missing nf_reset_ct() in 3WHS handling
 
  - vringh: don't use vringh_kiov_advance() in vringh_iov_xfer(),
    it doesn't handle zero length like we expected
 
  - wifi:
    - cfg80211: fix cqm_config access race, fix crashes with brcmfmac
    - iwlwifi: mvm: handle PS changes in vif_cfg_changed
    - mac80211: fix mesh id corruption on 32 bit systems
    - mt76: mt76x02: fix MT76x0 external LNA gain handling
 
  - Bluetooth: fix handling of HCI_QUIRK_STRICT_DUPLICATE_FILTER
 
  - l2tp: fix handling of transhdrlen in __ip{,6}_append_data()
 
  - dsa: mv88e6xxx: avoid EEPROM timeout when EEPROM is absent
 
  - eth: stmmac: fix the incorrect parameter after refactoring
 
 Previous releases - always broken:
 
  - net: replace calls to sock->ops->connect() with kernel_connect(),
    prevent address rewrite in kernel_bind(); otherwise BPF hooks may
    modify arguments, unexpectedly to the caller
 
  - tcp: fix delayed ACKs when reads and writes align with MSS
 
  - bpf:
    - verifier: unconditionally reset backtrack_state masks on global
      func exit
    - s390: let arch_prepare_bpf_trampoline return program size,
      fix struct_ops offsets
    - sockmap: fix accounting of available bytes in presence of PEEKs
    - sockmap: reject sk_msg egress redirects to non-TCP sockets
 
  - ipv4/fib: send netlink notify when delete source address routes
 
  - ethtool: plca: fix width of reads when parsing netlink commands
 
  - netfilter: nft_payload: rebuild vlan header on h_proto access
 
  - Bluetooth: hci_codec: fix leaking memory of local_codecs
 
  - eth: intel: ice: always add legacy 32byte RXDID in supported_rxdids
 
  - eth: stmmac:
    - dwmac-stm32: fix resume on STM32 MCU
    - remove buggy and unneeded stmmac_poll_controller, depend on NAPI
 
  - ibmveth: always recompute TCP pseudo-header checksum, fix use
    of the driver with Open vSwitch
 
  - wifi:
    - rtw88: rtw8723d: fix MAC address offset in EEPROM
    - mt76: fix lock dependency problem for wed_lock
    - mwifiex: sanity check data reported by the device
    - iwlwifi: ensure ack flag is properly cleared
    - iwlwifi: mvm: fix a memory corruption due to bad pointer arithm
    - iwlwifi: mvm: fix incorrect usage of scan API
 
 Misc:
 
  - wifi: mac80211: work around Cisco AP 9115 VHT MPDU length
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from Bluetooth, netfilter, BPF and WiFi.

  I didn't collect precise data but feels like we've got a lot of 6.5
  fixes here. WiFi fixes are most user-awaited.

  Current release - regressions:

   - Bluetooth: fix hci_link_tx_to RCU lock usage

  Current release - new code bugs:

   - bpf: mprog: fix maximum program check on mprog attachment

   - eth: ti: icssg-prueth: fix signedness bug in prueth_init_tx_chns()

  Previous releases - regressions:

   - ipv6: tcp: add a missing nf_reset_ct() in 3WHS handling

   - vringh: don't use vringh_kiov_advance() in vringh_iov_xfer(), it
     doesn't handle zero length like we expected

   - wifi:
      - cfg80211: fix cqm_config access race, fix crashes with brcmfmac
      - iwlwifi: mvm: handle PS changes in vif_cfg_changed
      - mac80211: fix mesh id corruption on 32 bit systems
      - mt76: mt76x02: fix MT76x0 external LNA gain handling

   - Bluetooth: fix handling of HCI_QUIRK_STRICT_DUPLICATE_FILTER

   - l2tp: fix handling of transhdrlen in __ip{,6}_append_data()

   - dsa: mv88e6xxx: avoid EEPROM timeout when EEPROM is absent

   - eth: stmmac: fix the incorrect parameter after refactoring

  Previous releases - always broken:

   - net: replace calls to sock->ops->connect() with kernel_connect(),
     prevent address rewrite in kernel_bind(); otherwise BPF hooks may
     modify arguments, unexpectedly to the caller

   - tcp: fix delayed ACKs when reads and writes align with MSS

   - bpf:
      - verifier: unconditionally reset backtrack_state masks on global
        func exit
      - s390: let arch_prepare_bpf_trampoline return program size, fix
        struct_ops offsets
      - sockmap: fix accounting of available bytes in presence of PEEKs
      - sockmap: reject sk_msg egress redirects to non-TCP sockets

   - ipv4/fib: send netlink notify when delete source address routes

   - ethtool: plca: fix width of reads when parsing netlink commands

   - netfilter: nft_payload: rebuild vlan header on h_proto access

   - Bluetooth: hci_codec: fix leaking memory of local_codecs

   - eth: intel: ice: always add legacy 32byte RXDID in supported_rxdids

   - eth: stmmac:
     - dwmac-stm32: fix resume on STM32 MCU
     - remove buggy and unneeded stmmac_poll_controller, depend on NAPI

   - ibmveth: always recompute TCP pseudo-header checksum, fix use of
     the driver with Open vSwitch

   - wifi:
      - rtw88: rtw8723d: fix MAC address offset in EEPROM
      - mt76: fix lock dependency problem for wed_lock
      - mwifiex: sanity check data reported by the device
      - iwlwifi: ensure ack flag is properly cleared
      - iwlwifi: mvm: fix a memory corruption due to bad pointer arithm
      - iwlwifi: mvm: fix incorrect usage of scan API

  Misc:

   - wifi: mac80211: work around Cisco AP 9115 VHT MPDU length"

* tag 'net-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (99 commits)
  MAINTAINERS: update Matthieu's email address
  mptcp: userspace pm allow creating id 0 subflow
  mptcp: fix delegated action races
  net: stmmac: remove unneeded stmmac_poll_controller
  net: lan743x: also select PHYLIB
  net: ethernet: mediatek: disable irq before schedule napi
  net: mana: Fix oversized sge0 for GSO packets
  net: mana: Fix the tso_bytes calculation
  net: mana: Fix TX CQE error handling
  netlink: annotate data-races around sk->sk_err
  sctp: update hb timer immediately after users change hb_interval
  sctp: update transport state when processing a dupcook packet
  tcp: fix delayed ACKs for MSS boundary condition
  tcp: fix quick-ack counting to count actual ACKs of new data
  page_pool: fix documentation typos
  tipc: fix a potential deadlock on &tx->lock
  net: stmmac: dwmac-stm32: fix resume on STM32 MCU
  ipv4: Set offload_failed flag in fibmatch results
  netfilter: nf_tables: nft_set_rbtree: fix spurious insertion failure
  netfilter: nf_tables: Deduplicate nft_register_obj audit logs
  ...
2023-10-05 11:29:21 -07:00
Linus Torvalds
3006adf3be Timerlat auto-analysis:
- Timerlat is reporting thread interference time without thread noise
     events occurrence. It was caused because the thread interference variable
     was not reset after the analysis of a timerlat activation that did not
     hit the threshold.
 
   - The IRQ handler delay is estimated from the delta of the IRQ latency
     reported by timerlat, and the timestamp from IRQ handler start event.
     If the delta is near-zero, the drift from the external clock and the
     trace event and/or the overhead can cause the value to be negative.
     If the value is negative, print a zero-delay.
 
   - IRQ handlers happening after the timerlat thread event but before
     the stop tracing were being reported as IRQ that happened before the
     *current* IRQ occurrence. Ignore Previous IRQ noise in this condition
     because they are valid only for the *next* timerlat activation.
 
 Timerlat user-space:
 
   - Timerlat is stopping all user-space thread if a CPU becomes
     offline. Do not stop the entire tool if a CPU is/become offline,
     but only the thread of the unavailable CPU. Stop the tool only,
     if all threads leave because the CPUs become/are offline.
 
 man-pages:
 
   - Fix command line example in timerlat hist man page.
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Merge tag 'rtla-v6.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bristot/linux

Pull rtla fixes from Daniel Bristot de Oliveira:
 "rtla (Real-Time Linux Analysis) tool fixes.

  Timerlat auto-analysis:

   - Timerlat is reporting thread interference time without thread noise
     events occurrence. It was caused because the thread interference
     variable was not reset after the analysis of a timerlat activation
     that did not hit the threshold.

   - The IRQ handler delay is estimated from the delta of the IRQ
     latency reported by timerlat, and the timestamp from IRQ handler
     start event. If the delta is near-zero, the drift from the external
     clock and the trace event and/or the overhead can cause the value
     to be negative. If the value is negative, print a zero-delay.

   - IRQ handlers happening after the timerlat thread event but before
     the stop tracing were being reported as IRQ that happened before
     the *current* IRQ occurrence. Ignore Previous IRQ noise in this
     condition because they are valid only for the *next* timerlat
     activation.

  Timerlat user-space:

   - Timerlat is stopping all user-space thread if a CPU becomes
     offline. Do not stop the entire tool if a CPU is/become offline,
     but only the thread of the unavailable CPU. Stop the tool only, if
     all threads leave because the CPUs become/are offline.

  man-pages:

   - Fix command line example in timerlat hist man page"

* tag 'rtla-v6.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bristot/linux:
  rtla: fix a example in rtla-timerlat-hist.rst
  rtla/timerlat: Do not stop user-space if a cpu is offline
  rtla/timerlat_aa: Fix previous IRQ delay for IRQs that happens after thread sample
  rtla/timerlat_aa: Fix negative IRQ delay
  rtla/timerlat_aa: Zero thread sum after every sample analysis
2023-10-04 18:19:55 -07:00
Jakub Kicinski
c56e67f3ff netfilter pull request 2023-10-04
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Merge tag 'nf-23-10-04' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf

Florian Westphal says:

====================
netfilter patches for net

First patch resolves a regression with vlan header matching, this was
broken since 6.5 release.  From myself.

Second patch fixes an ancient problem with sctp connection tracking in
case INIT_ACK packets are delayed.  This comes with a selftest, both
patches from Xin Long.

Patch 4 extends the existing nftables audit selftest, from
Phil Sutter.

Patch 5, also from Phil, avoids a situation where nftables
would emit an audit record twice. This was broken since 5.13 days.

Patch 6, from myself, avoids spurious insertion failure if we encounter an
overlapping but expired range during element insertion with the
'nft_set_rbtree' backend. This problem exists since 6.2.

* tag 'nf-23-10-04' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
  netfilter: nf_tables: nft_set_rbtree: fix spurious insertion failure
  netfilter: nf_tables: Deduplicate nft_register_obj audit logs
  selftests: netfilter: Extend nft_audit.sh
  selftests: netfilter: test for sctp collision processing in nf_conntrack
  netfilter: handle the connecting collision properly in nf_conntrack_proto_sctp
  netfilter: nft_payload: rebuild vlan header on h_proto access
====================

Link: https://lore.kernel.org/r/20231004141405.28749-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-04 14:53:17 -07:00
Linus Torvalds
ba7d997a2a linux-kselftest-fixes-6.6-rc5
This kselftest fixes update for Linux 6.6-rc5 consists of one single
 fix to Makefile to fix the incorrect TARGET name for uevent test.
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Merge tag 'linux-kselftest-fixes-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fix from Shuah Khan:
 "One single fix to Makefile to fix the incorrect TARGET name for uevent
  test"

* tag 'linux-kselftest-fixes-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: Fix wrong TARGET in kselftest top level Makefile
2023-10-04 11:35:23 -07:00
Jakub Kicinski
1eb3dee16a bpf-for-netdev
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Daniel Borkmann says:

====================
pull-request: bpf 2023-10-02

We've added 11 non-merge commits during the last 12 day(s) which contain
a total of 12 files changed, 176 insertions(+), 41 deletions(-).

The main changes are:

1) Fix BPF verifier to reset backtrack_state masks on global function
   exit as otherwise subsequent precision tracking would reuse them,
   from Andrii Nakryiko.

2) Several sockmap fixes for available bytes accounting,
   from John Fastabend.

3) Reject sk_msg egress redirects to non-TCP sockets given this
   is only supported for TCP sockets today, from Jakub Sitnicki.

4) Fix a syzkaller splat in bpf_mprog when hitting maximum program
   limits with BPF_F_BEFORE directive, from Daniel Borkmann
   and Nikolay Aleksandrov.

5) Fix BPF memory allocator to use kmalloc_size_roundup() to adjust
   size_index for selecting a bpf_mem_cache, from Hou Tao.

6) Fix arch_prepare_bpf_trampoline return code for s390 JIT,
   from Song Liu.

7) Fix bpf_trampoline_get when CONFIG_BPF_JIT is turned off,
   from Leon Hwang.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  bpf: Use kmalloc_size_roundup() to adjust size_index
  selftest/bpf: Add various selftests for program limits
  bpf, mprog: Fix maximum program check on mprog attachment
  bpf, sockmap: Reject sk_msg egress redirects to non-TCP sockets
  bpf, sockmap: Add tests for MSG_F_PEEK
  bpf, sockmap: Do not inc copied_seq when PEEK flag set
  bpf: tcp_read_skb needs to pop skb regardless of seq
  bpf: unconditionally reset backtrack_state masks on global func exit
  bpf: Fix tr dereferencing
  selftests/bpf: Check bpf_cubic_acked() is called via struct_ops
  s390/bpf: Let arch_prepare_bpf_trampoline return program size
====================

Link: https://lore.kernel.org/r/20231002113417.2309-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-04 08:28:07 -07:00
Phil Sutter
0d880dc6f0 netfilter: nf_tables: Deduplicate nft_register_obj audit logs
When adding/updating an object, the transaction handler emits suitable
audit log entries already, the one in nft_obj_notify() is redundant. To
fix that (and retain the audit logging from objects' 'update' callback),
Introduce an "audit log free" variant for internal use.

Fixes: c520292f29 ("audit: log nftables configuration change events once per table")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Reviewed-by: Richard Guy Briggs <rgb@redhat.com>
Acked-by: Paul Moore <paul@paul-moore.com> (Audit)
Signed-off-by: Florian Westphal <fw@strlen.de>
2023-10-04 15:57:06 +02:00
Phil Sutter
203bb9d398 selftests: netfilter: Extend nft_audit.sh
Add tests for sets and elements and deletion of all kinds. Also
reorder rule reset tests: By moving the bulk rule add command up, the
two 'reset rules' tests become identical.

While at it, fix for a failing bulk rule add test's error status getting
lost due to its use in a pipe. Avoid this by using a temporary file.

Headings in diff output for failing tests contain no useful data, strip
them.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
2023-10-04 14:12:01 +02:00
Xin Long
cf791b22be selftests: netfilter: test for sctp collision processing in nf_conntrack
This patch adds a test case to reproduce the SCTP DATA chunk retransmission
timeout issue caused by the improper SCTP collision processing in netfilter
nf_conntrack_proto_sctp.

In this test, client sends a INIT chunk, but the INIT_ACK replied from
server is delayed until the server sends a INIT chunk to start a new
connection from its side. After the connection is complete from server
side, the delayed INIT_ACK arrives in nf_conntrack_proto_sctp.

The delayed INIT_ACK should be dropped in nf_conntrack_proto_sctp instead
of updating the vtag with the out-of-date init_tag, otherwise, the vtag
in DATA chunks later sent by client don't match the vtag in the conntrack
entry and the DATA chunks get dropped.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
2023-10-04 14:12:01 +02:00
Linus Torvalds
d2c5231581 Fourteen hotfixes, eleven of which are cc:stable. The remainder pertain
to issues which were introduced after 6.5.
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Merge tag 'mm-hotfixes-stable-2023-10-01-08-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "Fourteen hotfixes, eleven of which are cc:stable. The remainder
  pertain to issues which were introduced after 6.5"

* tag 'mm-hotfixes-stable-2023-10-01-08-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  Crash: add lock to serialize crash hotplug handling
  selftests/mm: fix awk usage in charge_reserved_hugetlb.sh and hugetlb_reparenting_test.sh that may cause error
  mm: mempolicy: keep VMA walk if both MPOL_MF_STRICT and MPOL_MF_MOVE are specified
  mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()
  mm, memcg: reconsider kmem.limit_in_bytes deprecation
  mm: zswap: fix potential memory corruption on duplicate store
  arm64: hugetlb: fix set_huge_pte_at() to work with all swap entries
  mm: hugetlb: add huge page size param to set_huge_pte_at()
  maple_tree: add MAS_UNDERFLOW and MAS_OVERFLOW states
  maple_tree: add mas_is_active() to detect in-tree walks
  nilfs2: fix potential use after free in nilfs_gccache_submit_read_data()
  mm: abstract moving to the next PFN
  mm: report success more often from filemap_map_folio_range()
  fs: binfmt_elf_efpic: fix personality for ELF-FDPIC
2023-10-01 13:33:25 -07:00
Linus Torvalds
1c9d831221 powerpc fixes for 6.6 #3
- Fix arch_stack_walk_reliable(), used by live patching.
 
  - Fix powerpc selftests to work with run_kselftest.sh
 
 Thanks to: Joe Lawrence, Petr Mladek.
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Merge tag 'powerpc-6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - Fix arch_stack_walk_reliable(), used by live patching

 - Fix powerpc selftests to work with run_kselftest.sh

Thanks to Joe Lawrence and Petr Mladek.

* tag 'powerpc-6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  selftests/powerpc: Fix emit_tests to work with run_kselftest.sh
  powerpc/stacktrace: Fix arch_stack_walk_reliable()
2023-09-30 09:53:09 -07:00
Juntong Deng
bbe246f875 selftests/mm: fix awk usage in charge_reserved_hugetlb.sh and hugetlb_reparenting_test.sh that may cause error
According to the awk manual, the -e option does not need to be specified
in front of 'program' (unless you need to mix program-file).

The redundant -e option can cause error when users use awk tools other
than gawk (for example, mawk does not support the -e option).

Error Example:
awk: not an option: -e

Link: https://lkml.kernel.org/r/VI1P193MB075228810591AF2FDD7D42C599C3A@VI1P193MB0752.EURP193.PROD.OUTLOOK.COM
Signed-off-by: Juntong Deng <juntong.deng@outlook.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-09-29 17:20:48 -07:00
Daniel Borkmann
d1a783daa4 selftest/bpf: Add various selftests for program limits
Add various tests to check maximum number of supported programs
being attached:

  # ./vmtest.sh -- ./test_progs -t tc_opts
  [...]
  ./test_progs -t tc_opts
  [    1.185325] bpf_testmod: loading out-of-tree module taints kernel.
  [    1.186826] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel
  [    1.270123] tsc: Refined TSC clocksource calibration: 3407.988 MHz
  [    1.272428] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fc932722, max_idle_ns: 440795381586 ns
  [    1.276408] clocksource: Switched to clocksource tsc
  #252     tc_opts_after:OK
  #253     tc_opts_append:OK
  #254     tc_opts_basic:OK
  #255     tc_opts_before:OK
  #256     tc_opts_chain_classic:OK
  #257     tc_opts_chain_mixed:OK
  #258     tc_opts_delete_empty:OK
  #259     tc_opts_demixed:OK
  #260     tc_opts_detach:OK
  #261     tc_opts_detach_after:OK
  #262     tc_opts_detach_before:OK
  #263     tc_opts_dev_cleanup:OK
  #264     tc_opts_invalid:OK
  #265     tc_opts_max:OK              <--- (new test)
  #266     tc_opts_mixed:OK
  #267     tc_opts_prepend:OK
  #268     tc_opts_replace:OK
  #269     tc_opts_revision:OK
  Summary: 18/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230929204121.20305-2-daniel@iogearbox.net
2023-09-29 16:07:59 -07:00
John Fastabend
5f405c0c0c bpf, sockmap: Add tests for MSG_F_PEEK
Test that we can read with MSG_F_PEEK and then still get correct number
of available bytes through FIONREAD. The recv() (without PEEK) then
returns the bytes as expected. The recv() always worked though because
it was just the available byte reporting that was broke before latest
fixes.

Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/20230926035300.135096-4-john.fastabend@gmail.com
2023-09-29 17:06:21 +02:00
Juntong Deng
6f874fa021 selftests: Fix wrong TARGET in kselftest top level Makefile
The 'uevents' subdirectory does not exist in tools/testing/selftests/
and adding 'uevents' to the TARGETS list results in the following error:

make[1]: Entering directory 'xx/tools/testing/selftests/uevents'
make[1]: *** No targets specified and no makefile found. Stop.
make[1]: Leaving directory 'xx/tools/testing/selftests/uevents'

What actually exists in tools/testing/selftests/ is the 'uevent'
subdirectory.

Signed-off-by: Juntong Deng <juntong.deng@outlook.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-09-26 18:47:37 -06:00
Linus Torvalds
50768a425b linux-kselftest-fixes-6.6-rc4
This kselftest fixes update for Linux 6.6-rc4 consists of one
 single fix to unmount tracefs when test created mount.
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Merge tag 'linux-kselftest-fixes-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fix from Shuah Khan:
 "One single fix to unmount tracefs when test created mount"

* tag 'linux-kselftest-fixes-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/user_events: Fix to unmount tracefs when test created mount
2023-09-26 09:03:11 -07:00
Linus Torvalds
5c519bc075 perf tools fixes for v6.6: 1st batch
Build:
 
  - Update header files in the tools/**/include directory to sync with
    the kernel sources as usual.
 
  - Remove unused bpf-prologue files.  While it's not strictly a fix,
    but the functionality was removed in this cycle so better to get
    rid of the code together.
 
  - Other minor build fixes.
 
 Misc:
 
  - Fix uninitialized memory access in PMU parsing code
 
  - Fix segfaults on software event
 
 Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-fixes-for-v6.6-1-2023-09-25' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools fixes from Namhyung Kim:
 "Build:

   - Update header files in the tools/**/include directory to sync with
     the kernel sources as usual.

   - Remove unused bpf-prologue files. While it's not strictly a fix,
     but the functionality was removed in this cycle so better to get
     rid of the code together.

   - Other minor build fixes.

  Misc:

   - Fix uninitialized memory access in PMU parsing code

   - Fix segfaults on software event"

* tag 'perf-tools-fixes-for-v6.6-1-2023-09-25' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
  perf jevent: fix core dump on software events on s390
  perf pmu: Ensure all alias variables are initialized
  perf jevents metric: Fix type of strcmp_cpuid_str
  perf trace: Avoid compile error wrt redefining bool
  perf bpf-prologue: Remove unused file
  tools headers UAPI: Update tools's copy of drm.h headers
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  perf bench sched-seccomp-notify: Use the tools copy of seccomp.h UAPI
  tools headers UAPI: Copy seccomp.h to be able to build 'perf bench' in older systems
  tools headers UAPI: Sync files changed by new fchmodat2 and map_shadow_stack syscalls with the kernel sources
  perf tools: Update copy of libbpf's hashmap.c
2023-09-26 08:41:26 -07:00
Linus Torvalds
8a511e7efc ARM:
* Fix EL2 Stage-1 MMIO mappings where a random address was used
 
 * Fix SMCCC function number comparison when the SVE hint is set
 
 RISC-V:
 
 * Fix KVM_GET_REG_LIST API for ISA_EXT registers
 
 * Fix reading ISA_EXT register of a missing extension
 
 * Fix ISA_EXT register handling in get-reg-list test
 
 * Fix filtering of AIA registers in get-reg-list test
 
 x86:
 
 * Fixes for TSC_AUX virtualization
 
 * Stop zapping page tables asynchronously, since we don't
   zap them as often as before
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
"ARM:

   - Fix EL2 Stage-1 MMIO mappings where a random address was used

   - Fix SMCCC function number comparison when the SVE hint is set

  RISC-V:

   - Fix KVM_GET_REG_LIST API for ISA_EXT registers

   - Fix reading ISA_EXT register of a missing extension

   - Fix ISA_EXT register handling in get-reg-list test

   - Fix filtering of AIA registers in get-reg-list test

  x86:

   - Fixes for TSC_AUX virtualization

   - Stop zapping page tables asynchronously, since we don't zap them as
     often as before"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: SVM: Do not use user return MSR support for virtualized TSC_AUX
  KVM: SVM: Fix TSC_AUX virtualization setup
  KVM: SVM: INTERCEPT_RDTSCP is never intercepted anyway
  KVM: x86/mmu: Stop zapping invalidated TDP MMU roots asynchronously
  KVM: x86/mmu: Do not filter address spaces in for_each_tdp_mmu_root_yield_safe()
  KVM: x86/mmu: Open code leaf invalidation from mmu_notifier
  KVM: riscv: selftests: Selectively filter-out AIA registers
  KVM: riscv: selftests: Fix ISA_EXT register handling in get-reg-list
  RISC-V: KVM: Fix riscv_vcpu_get_isa_ext_single() for missing extensions
  RISC-V: KVM: Fix KVM_GET_REG_LIST API for ISA_EXT registers
  KVM: selftests: Assert that vasprintf() is successful
  KVM: arm64: nvhe: Ignore SVE hint in SMCCC function ID
  KVM: arm64: Properly return allocated EL2 VA from hyp_alloc_private_va_range()
2023-09-24 14:14:35 -07:00
Linus Torvalds
85eba5f175 13 hotfixes, 10 of which pertain to post-6.5 issues. The other 3 are
cc:stable.
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Merge tag 'mm-hotfixes-stable-2023-09-23-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "13 hotfixes, 10 of which pertain to post-6.5 issues. The other three
  are cc:stable"

* tag 'mm-hotfixes-stable-2023-09-23-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  proc: nommu: fix empty /proc/<pid>/maps
  filemap: add filemap_map_order0_folio() to handle order0 folio
  proc: nommu: /proc/<pid>/maps: release mmap read lock
  mm: memcontrol: fix GFP_NOFS recursion in memory.high enforcement
  pidfd: prevent a kernel-doc warning
  argv_split: fix kernel-doc warnings
  scatterlist: add missing function params to kernel-doc
  selftests/proc: fixup proc-empty-vm test after KSM changes
  revert "scripts/gdb/symbols: add specific ko module load command"
  selftests: link libasan statically for tests with -fsanitize=address
  task_work: add kerneldoc annotation for 'data' argument
  mm: page_alloc: fix CMA and HIGHATOMIC landing on the wrong buddy list
  sh: mm: re-add lost __ref to ioremap_prot() to fix modpost warning
2023-09-23 11:51:16 -07:00
Paolo Bonzini
5804c19b80 KVM/riscv fixes for 6.6, take #1
- Fix KVM_GET_REG_LIST API for ISA_EXT registers
 - Fix reading ISA_EXT register of a missing extension
 - Fix ISA_EXT register handling in get-reg-list test
 - Fix filtering of AIA registers in get-reg-list test
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Merge tag 'kvm-riscv-fixes-6.6-1' of https://github.com/kvm-riscv/linux into HEAD

KVM/riscv fixes for 6.6, take #1

- Fix KVM_GET_REG_LIST API for ISA_EXT registers
- Fix reading ISA_EXT register of a missing extension
- Fix ISA_EXT register handling in get-reg-list test
- Fix filtering of AIA registers in get-reg-list test
2023-09-23 05:35:55 -04:00
Daniel Bristot de Oliveira
e8c44d3b71 rtla/timerlat: Do not stop user-space if a cpu is offline
If no CPU list is passed, timerlat in user-space will dispatch
one thread per sysconf(_SC_NPROCESSORS_CONF). However, not all
CPU might be available, for instance, if HT is disabled.

Currently, rtla timerlat is stopping the session if an user-space
thread cannot set affinity to a CPU, or if a running user-space
thread is killed. However, this is too restrictive.

So, reduce the error to a debug message, and rtla timerlat run as
long as there is at least one user-space thread alive.

Link: https://lore.kernel.org/lkml/59cf2c882900ab7de91c6ee33b382ac7fa6b4ed0.1694781909.git.bristot@kernel.org

Fixes: cdca4f4e5e ("rtla/timerlat_top: Add timerlat user-space support")
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
2023-09-22 14:43:46 +02:00
Michael Ellerman
58b33e78a3 selftests/powerpc: Fix emit_tests to work with run_kselftest.sh
In order to use run_kselftest.sh the list of tests must be emitted to
populate kselftest-list.txt.

The powerpc Makefile is written to use EMIT_TESTS. But support for
EMIT_TESTS was dropped in commit d4e59a536f ("selftests: Use runner.sh
for emit targets"). Although prior to that commit a548de0fe8
("selftests: lib.mk: add test execute bit check to EMIT_TESTS") had
already broken run_kselftest.sh for powerpc due to the executable check
using the wrong path.

It can be fixed by replacing the EMIT_TESTS definitions with actual
emit_tests rules in the powerpc Makefiles. This makes run_kselftest.sh
able to run powerpc tests:

  $ cd linux
  $ export ARCH=powerpc
  $ export CROSS_COMPILE=powerpc64le-linux-gnu-
  $ make headers
  $ make -j -C tools/testing/selftests install
  $ grep -c "^powerpc" tools/testing/selftests/kselftest_install/kselftest-list.txt
  182

Fixes: d4e59a536f ("selftests: Use runner.sh for emit targets")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230921072623.828772-1-mpe@ellerman.id.au
2023-09-22 20:29:48 +10:00
Linus Torvalds
27bbf45eae Networking fixes for 6.6-rc2, including fixes from netfilter and bpf
Current release - regressions:
 
  - bpf: adjust size_index according to the value of KMALLOC_MIN_SIZE
 
  - netfilter: fix entries val in rule reset audit log
 
  - eth: stmmac: fix incorrect rxq|txq_stats reference
 
 Previous releases - regressions:
 
  - ipv4: fix null-deref in ipv4_link_failure
 
  - netfilter:
    - fix several GC related issues
    - fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
 
  - eth: team: fix null-ptr-deref when team device type is changed
 
  - eth: i40e: fix VF VLAN offloading when port VLAN is configured
 
  - eth: ionic: fix 16bit math issue when PAGE_SIZE >= 64KB
 
 Previous releases - always broken:
 
  - core: fix ETH_P_1588 flow dissector
 
  - mptcp: fix several connection hang-up conditions
 
  - bpf:
    - avoid deadlock when using queue and stack maps from NMI
    - add override check to kprobe multi link attach
 
  - hsr: properly parse HSRv1 supervisor frames.
 
  - eth: igc: fix infinite initialization loop with early XDP redirect
 
  - eth: octeon_ep: fix tx dma unmap len values in SG
 
  - eth: hns3: fix GRE checksum offload issue
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from netfilter and bpf.

  Current release - regressions:

   - bpf: adjust size_index according to the value of KMALLOC_MIN_SIZE

   - netfilter: fix entries val in rule reset audit log

   - eth: stmmac: fix incorrect rxq|txq_stats reference

  Previous releases - regressions:

   - ipv4: fix null-deref in ipv4_link_failure

   - netfilter:
      - fix several GC related issues
      - fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP

   - eth: team: fix null-ptr-deref when team device type is changed

   - eth: i40e: fix VF VLAN offloading when port VLAN is configured

   - eth: ionic: fix 16bit math issue when PAGE_SIZE >= 64KB

  Previous releases - always broken:

   - core: fix ETH_P_1588 flow dissector

   - mptcp: fix several connection hang-up conditions

   - bpf:
      - avoid deadlock when using queue and stack maps from NMI
      - add override check to kprobe multi link attach

   - hsr: properly parse HSRv1 supervisor frames.

   - eth: igc: fix infinite initialization loop with early XDP redirect

   - eth: octeon_ep: fix tx dma unmap len values in SG

   - eth: hns3: fix GRE checksum offload issue"

* tag 'net-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits)
  sfc: handle error pointers returned by rhashtable_lookup_get_insert_fast()
  igc: Expose tx-usecs coalesce setting to user
  octeontx2-pf: Do xdp_do_flush() after redirects.
  bnxt_en: Flush XDP for bnxt_poll_nitroa0()'s NAPI
  net: ena: Flush XDP packets on error.
  net/handshake: Fix memory leak in __sock_create() and sock_alloc_file()
  net: hinic: Fix warning-hinic_set_vlan_fliter() warn: variable dereferenced before check 'hwdev'
  netfilter: ipset: Fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
  netfilter: nf_tables: fix memleak when more than 255 elements expired
  netfilter: nf_tables: disable toggling dormant table state more than once
  vxlan: Add missing entries to vxlan_get_size()
  net: rds: Fix possible NULL-pointer dereference
  team: fix null-ptr-deref when team device type is changed
  net: bridge: use DEV_STATS_INC()
  net: hns3: add 5ms delay before clear firmware reset irq source
  net: hns3: fix fail to delete tc flower rules during reset issue
  net: hns3: only enable unicast promisc when mac table full
  net: hns3: fix GRE checksum offload issue
  net: hns3: add cmdq check for vf periodic service task
  net: stmmac: fix incorrect rxq|txq_stats reference
  ...
2023-09-21 11:28:16 -07:00
Linus Torvalds
fb8b1b93ee memblock test: compilation fixes
Fix several compilation errors and warnings in memblock tests
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Merge tag 'fixes-2023-09-21' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock

Pull memblock test fixes from Mike Rapoport:
 "Fix several compilation errors and warnings in memblock tests"

* tag 'fixes-2023-09-21' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
  memblock tests: fix warning ‘struct seq_file’ declared inside parameter list
  memblock tests: fix warning: "__ALIGN_KERNEL" redefined
  memblock tests: Fix compilation errors.
2023-09-21 08:21:23 -07:00
Linus Torvalds
2af5acbaa7 sound fixes for 6.6-rc3
A large collection of fixes around this time.
 All small and mostly trivial fixes.
 
 - Lots of fixes for the new -Wformat-truncation warnings
 - A fix in ALSA rawmidi core regression and UMP handling
 - Series of Cirrus codec fixes
 - ASoC Intel and Realtek codec fixes
 - Usual HD- and USB-audio quirks and AMD ASoC quirks
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Merge tag 'sound-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A large collection of fixes around this time.

  All small and mostly trivial fixes.

   - Lots of fixes for the new -Wformat-truncation warnings

   - A fix in ALSA rawmidi core regression and UMP handling

   - Series of Cirrus codec fixes

   - ASoC Intel and Realtek codec fixes

   - Usual HD- and USB-audio quirks and AMD ASoC quirks"

* tag 'sound-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (64 commits)
  ALSA: hda/realtek - ALC287 Realtek I2S speaker platform support
  ALSA: hda: cs35l56: Use the new RUNTIME_PM_OPS() macro
  ALSA: usb-audio: scarlett_gen2: Fix another -Wformat-truncation warning
  ALSA: rawmidi: Fix NULL dereference at proc read
  ASoC: SOF: core: Only call sof_ops_free() on remove if the probe was successful
  ASoC: SOF: Intel: MTL: Reduce the DSP init timeout
  ASoC: cs42l43: Add shared IRQ flag for shutters
  ASoC: imx-audmix: Fix return error with devm_clk_get()
  ASoC: hdaudio.c: Add missing check for devm_kstrdup
  ALSA: riptide: Fix -Wformat-truncation warning for longname string
  ALSA: cs4231: Fix -Wformat-truncation warning for longname string
  ALSA: ad1848: Fix -Wformat-truncation warning for longname string
  ALSA: hda: generic: Check potential mixer name string truncation
  ALSA: cmipci: Fix -Wformat-truncation warning
  ALSA: firewire: Fix -Wformat-truncation warning for MIDI stream names
  ALSA: firewire: Fix -Wformat-truncation warning for longname string
  ALSA: xen: Fix -Wformat-truncation warning
  ALSA: opti9x: Fix -Wformat-truncation warning
  ALSA: es1688: Fix -Wformat-truncation warning
  ALSA: cs4236: Fix -Wformat-truncation warning
  ...
2023-09-21 08:13:15 -07:00
Anup Patel
071ef070ca KVM: riscv: selftests: Selectively filter-out AIA registers
Currently the AIA ONE_REG registers are reported by get-reg-list
as new registers for various vcpu_reg_list configs whenever Ssaia
is available on the host because Ssaia extension can only be
disabled by Smstateen extension which is not always available.

To tackle this, we should filter-out AIA ONE_REG registers only
when Ssaia can't be disabled for a VCPU.

Fixes: 477069398e ("KVM: riscv: selftests: Add get-reg-list test")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
2023-09-21 15:04:05 +05:30
Anup Patel
ba1af6e2e0 KVM: riscv: selftests: Fix ISA_EXT register handling in get-reg-list
Same set of ISA_EXT registers are not present on all host because
ISA_EXT registers are visible to the KVM user space based on the
ISA extensions available on the host. Also, disabling an ISA
extension using corresponding ISA_EXT register does not affect
the visibility of the ISA_EXT register itself.

Based on the above, we should filter-out all ISA_EXT registers.

Fixes: 477069398e ("KVM: riscv: selftests: Add get-reg-list test")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
2023-09-21 15:04:03 +05:30
Sean Christopherson
7c329bbd3b KVM: selftests: Assert that vasprintf() is successful
Assert that vasprintf() succeeds as the "returned" string is undefined
on failure.  Checking the result also eliminates the only warning with
default options in KVM selftests, i.e. is the only thing getting in the
way of compile with -Werror.

  lib/test_util.c: In function ‘strdup_printf’:
  lib/test_util.c:390:9: error: ignoring return value of ‘vasprintf’
  declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
  390 |         vasprintf(&str, fmt, ap);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~

Don't bother capturing the return value, allegedly vasprintf() can only
fail due to a memory allocation failure.

Fixes: dfaf20af76 ("KVM: arm64: selftests: Replace str_with_index with strdup_printf")
Cc: Andrew Jones <ajones@ventanamicro.com>
Cc: Haibo Xu <haibo1.xu@intel.com>
Cc: Anup Patel <anup@brainfault.org>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Tested-by: Andrew Jones <ajones@ventanamicro.com>
Message-Id: <20230914010636.1391735-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-09-20 12:26:31 -04:00
Alexey Dobriyan
9d1be94df5 selftests/proc: fixup proc-empty-vm test after KSM changes
/proc/${pid}/smaps_rollup is not empty file even if process's address
space is empty, update the test.

Link: https://lkml.kernel.org/r/725e041f-e9df-4f3d-b267-d4cd2774a78d@p183
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Stefan Roesch <shr@devkernel.io>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-09-19 13:21:33 -07:00
Ryan Roberts
c652df8a4a selftests: link libasan statically for tests with -fsanitize=address
When dynamically linking, Address Sanitizer requires its library to be the
first one to be loaded; this is apparently to ensure that every call to
malloc is intercepted.  If using LD_PRELOAD, those listed libraries will
be loaded before the libraries listed in the program's ELF and will
therefore violate this requirement, leading to the below failure and
output from ASan.

commit 58e2847ad2 ("selftests: line buffer test program's stdout")
modified the kselftest runner to force line buffering by forcing the test
programs to run through `stdbuf`.  It turns out that stdbuf implements
line buffering by injecting a library via LD_PRELOAD.  Therefore selftests
that use ASan started failing.

Fix this by statically linking libasan in the affected test programs,
using the `-static-libasan` option.  Note this is already the default for
Clang, but not got GCC.

Test output sample for failing case:

  TAP version 13
  1..3
  # timeout set to 300
  # selftests: openat2: openat2_test
  # ==4052==ASan runtime does not come first in initial library list;
  you should either link runtime to your application or manually preload
  it with LD_PRELOAD.
  not ok 1 selftests: openat2: openat2_test # exit=1
  # timeout set to 300
  # selftests: openat2: resolve_test
  # ==4070==ASan runtime does not come first in initial library list;
  you should either link runtime to your application or manually preload
  it with LD_PRELOAD.
  not ok 2 selftests: openat2: resolve_test # exit=1

Link: https://lkml.kernel.org/r/20230912135048.1755771-1-ryan.roberts@arm.com
Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>
Fixes: 58e2847ad2 ("selftests: line buffer test program's stdout")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202309121342.97e2f008-oliver.sang@intel.com
Cc: David Hildenbrand <david@redhat.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Jérôme Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Tom Rix <trix@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-09-19 13:21:32 -07:00
Song Liu
48f5e7d3f7 selftests/bpf: Check bpf_cubic_acked() is called via struct_ops
Test bpf_tcp_ca (in test_progs) checks multiple tcp_congestion_ops.
However, there isn't a test that verifies functions in the
tcp_congestion_ops is actually called. Add a check to verify that
bpf_cubic_acked is actually called during the test.

Suggested-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Song Liu <song@kernel.org>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230919060258.3237176-3-song@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-09-19 02:59:28 -07:00
Beau Belgrave
8ed99af4a2 selftests/user_events: Fix to unmount tracefs when test created mount
Fix to unmount tracefs if the self-test mounted it to allow testing.
If tracefs was already mounted, this does nothing.

Suggested-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/all/29fce076-746c-4650-8358-b4e0fa215cf7@sirena.org.uk/
Fixes: a06023a8f7 ("selftests/user_events: Fix failures when user_events is not installed")

Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-09-18 11:04:52 -06:00
Sebastian Andrzej Siewior
b0e9c3b5fd selftests: hsr: Extend the testsuite to also cover HSRv1.
The testsuite already has simply tests for HSRv0. The testuite would
have been able to notice the v1 breakage if it was there at the time.

Extend the testsuite to also cover HSRv1.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-18 08:26:19 +01:00
Sebastian Andrzej Siewior
d53f23fe16 selftests: hsr: Reorder the testsuite.
Move the code and group into functions so it will be easier to extend
the test to HSRv1 so that both versions are covered.

Move the ping/test part into do_complete_ping_test() and the interface
setup into setup_hsr_interfaces().

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-18 08:26:19 +01:00
Sebastian Andrzej Siewior
5c3ce539a1 selftests: hsr: Use `let' properly.
The timeout in the while loop is never subtracted due wrong usage of
`let' leading to an endless loop if the former condition never gets
true.

Put the statement for let in quotes so it is parsed as a single
statement.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-18 08:26:19 +01:00
Thomas Richter
e47749f179 perf jevent: fix core dump on software events on s390
Running commands such as
 # ./perf stat -e cs -- true
 Segmentation fault (core dumped)
 # ./perf stat -e cpu-clock-- true
 Segmentation fault (core dumped)
 #

dump core. This should not happen as these events are defined
even when no hardware PMU is available.
Debugging this reveals this call chain:

  perf_pmus__find_by_type(type=1)
  +--> pmu_read_sysfs(core_only=false)
       +--> perf_pmu__find2(dirfd=3, name=0x152a113 "software")
            +--> perf_pmu__lookup(pmus=0x14f0568 <other_pmus>, dirfd=3,
                                  lookup_name=0x152a113 "software")
                 +--> perf_pmu__find_events_table (pmu=0x1532130)

Now the pmu is "software" and it tries to find a proper table
generated by the pmu-event generation process for s390:

 # cd pmu-events/
 # ./jevents.py  s390 all /root/linux/tools/perf/pmu-events/arch |\
        grep -E '^const struct pmu_table_entry'
 const struct pmu_table_entry pmu_events__cf_z10[] = {
 const struct pmu_table_entry pmu_events__cf_z13[] = {
 const struct pmu_table_entry pmu_metrics__cf_z13[] = {
 const struct pmu_table_entry pmu_events__cf_z14[] = {
 const struct pmu_table_entry pmu_metrics__cf_z14[] = {
 const struct pmu_table_entry pmu_events__cf_z15[] = {
 const struct pmu_table_entry pmu_metrics__cf_z15[] = {
 const struct pmu_table_entry pmu_events__cf_z16[] = {
 const struct pmu_table_entry pmu_metrics__cf_z16[] = {
 const struct pmu_table_entry pmu_events__cf_z196[] = {
 const struct pmu_table_entry pmu_events__cf_zec12[] = {
 const struct pmu_table_entry pmu_metrics__cf_zec12[] = {
 const struct pmu_table_entry pmu_events__test_soc_cpu[] = {
 const struct pmu_table_entry pmu_metrics__test_soc_cpu[] = {
 const struct pmu_table_entry pmu_events__test_soc_sys[] = {
 #

However event "software" is not listed, as can be seen in the
generated const struct pmu_events_map pmu_events_map[].
So in function perf_pmu__find_events_table(), the variable
table is initialized to NULL, but never set to a proper
value. The function scans all generated &pmu_events_map[]
tables, but no table matches, because the tables are
s390 CPU Measurement unit specific:

  i = 0;
  for (;;) {
      const struct pmu_events_map *map = &pmu_events_map[i++];
      if (!map->arch)
           break;

      --> the maps are there because the build generated them

           if (!strcmp_cpuid_str(map->cpuid, cpuid)) {
                table = &map->event_table;
                break;
           }
      --> Since no matching CPU string the table var remains 0x0
      }
      free(cpuid);
      if (!pmu)
           return table;

      --> The pmu is "software" so it exists and no return

      --> and here perf dies because table is 0x0
      for (i = 0; i < table->num_pmus; i++) {
	      ...
      }
      return NULL;

Fix this and do not access the table variable. Instead return 0x0
which is the same return code when the for-loop was not successful.

Output after:
 # ./perf stat -e cs -- true

 Performance counter stats for 'true':

                 0      cs

       0.000853105 seconds time elapsed

       0.000061000 seconds user
       0.000827000 seconds sys

 # ./perf stat -e cpu-clock -- true

 Performance counter stats for 'true':

              0.25 msec cpu-clock #    0.341 CPUs utilized

       0.000728383 seconds time elapsed

       0.000055000 seconds user
       0.000706000 seconds sys

 # ./perf stat -e cycles -- true

 Performance counter stats for 'true':

   <not supported>      cycles

       0.000767298 seconds time elapsed

       0.000055000 seconds user
       0.000739000 seconds sys

 #

Fixes: 7c52f10c0d ("perf pmu: Cache JSON events table")
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Cc: dengler@linux.ibm.com
Cc: gor@linux.ibm.com
Cc: hca@linux.ibm.com
Cc: sumanthk@linux.ibm.com
Cc: svens@linux.ibm.com
Link: https://lore.kernel.org/r/20230913125157.2790375-1-tmricht@linux.ibm.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-09-17 15:51:57 -07:00
Ian Rogers
eaaebb01a7 perf pmu: Ensure all alias variables are initialized
Fix an error detected by memory sanitizer:
```
==4033==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x55fb0fbedfc7 in read_alias_info tools/perf/util/pmu.c:457:6
    #1 0x55fb0fbea339 in check_info_data tools/perf/util/pmu.c:1434:2
    #2 0x55fb0fbea339 in perf_pmu__check_alias tools/perf/util/pmu.c:1504:9
    #3 0x55fb0fbdca85 in parse_events_add_pmu tools/perf/util/parse-events.c:1429:32
    #4 0x55fb0f965230 in parse_events_parse tools/perf/util/parse-events.y:299:6
    #5 0x55fb0fbdf6b2 in parse_events__scanner tools/perf/util/parse-events.c:1822:8
    #6 0x55fb0fbdf8c1 in __parse_events tools/perf/util/parse-events.c:2094:8
    #7 0x55fb0fa8ffa9 in parse_events tools/perf/util/parse-events.h:41:9
    #8 0x55fb0fa8ffa9 in test_event tools/perf/tests/parse-events.c:2393:8
    #9 0x55fb0fa8f458 in test__pmu_events tools/perf/tests/parse-events.c:2551:15
    #10 0x55fb0fa6d93f in run_test tools/perf/tests/builtin-test.c:242:9
    #11 0x55fb0fa6d93f in test_and_print tools/perf/tests/builtin-test.c:271:8
    #12 0x55fb0fa6d082 in __cmd_test tools/perf/tests/builtin-test.c:442:5
    #13 0x55fb0fa6d082 in cmd_test tools/perf/tests/builtin-test.c:564:9
    #14 0x55fb0f942720 in run_builtin tools/perf/perf.c:322:11
    #15 0x55fb0f942486 in handle_internal_command tools/perf/perf.c:375:8
    #16 0x55fb0f941dab in run_argv tools/perf/perf.c:419:2
    #17 0x55fb0f941dab in main tools/perf/perf.c:535:3
```

Fixes: 7b723dbb96 ("perf pmu: Be lazy about loading event info files from sysfs")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: James Clark <james.clark@arm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Link: https://lore.kernel.org/r/20230914022425.1489035-1-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-09-17 15:51:42 -07:00
Ian Rogers
d1bac78e26 perf jevents metric: Fix type of strcmp_cpuid_str
The parser wraps all strings as Events, so the input is an
Event. Using a string would be bad as functions like Simplify are
called on the arguments, which wouldn't be present on a string.

Fixes: 9d5da30e4a ("perf jevents: Add a new expression builtin strcmp_cpuid_str()")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: James Clark <james.clark@arm.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20230914022204.1488383-1-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-09-17 15:51:35 -07:00
Ian Rogers
33b725ce7b perf trace: Avoid compile error wrt redefining bool
Make part of an existing TODO conditional to avoid the following build
error:
```
tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c:26:14: error: cannot combine with previous 'char' declaration specifier
   26 | typedef char bool;
      |              ^
include/stdbool.h:20:14: note: expanded from macro 'bool'
   20 | #define bool _Bool
      |              ^
tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c:26:1: error: typedef requires a name [-Werror,-Wmissing-declarations]
   26 | typedef char bool;
      | ^~~~~~~~~~~~~~~~~
2 errors generated.
```

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20230913184957.230076-1-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-09-17 15:51:32 -07:00
Ian Rogers
4a73fca226 perf bpf-prologue: Remove unused file
Commit 3d6dfae889 ("perf parse-events: Remove BPF event support")
removed building bpf-prologue.c but failed to remove the actual file.

Fixes: 3d6dfae889 ("perf parse-events: Remove BPF event support")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20230913184534.227961-1-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-09-17 15:51:28 -07:00
Linus Torvalds
e54ca3c81f Fix a cold functions related false-positive objtool warning
that triggers on Clang.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2023-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool fix from Ingo Molnar:
 "Fix a cold functions related false-positive objtool warning that
  triggers on Clang"

* tag 'objtool-urgent-2023-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Fix _THIS_IP_ detection for cold functions
2023-09-17 10:59:37 -07:00
David S. Miller
1612cc4b14 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says:

====================

The following pull-request contains BPF updates for your *net* tree.

We've added 21 non-merge commits during the last 8 day(s) which contain
a total of 21 files changed, 450 insertions(+), 36 deletions(-).

The main changes are:

1) Adjust bpf_mem_alloc buckets to match ksize(), from Hou Tao.

2) Check whether override is allowed in kprobe mult, from Jiri Olsa.

3) Fix btf_id symbol generation with ld.lld, from Jiri and Nick.

4) Fix potential deadlock when using queue and stack maps from NMI, from Toke Høiland-Jørgensen.

Please consider pulling these changes from:

  git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git

Thanks a lot!

Also thanks to reporters, reviewers and testers of commits in this pull-request:

Alan Maguire, Biju Das, Björn Töpel, Dan Carpenter, Daniel Borkmann,
Eduard Zingerman, Hsin-Wei Hung, Marcus Seyfarth, Nathan Chancellor,
Satya Durga Srinivasu Prabhala, Song Liu, Stephen Rothwell
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-16 11:16:00 +01:00
Linus Torvalds
57d88e8a59 linux-kselftest-fixes-6.6-rc2
This kselftest fixes update for Linux 6.6-rc2 consists of important
 fixes to user_events test and ftrace test.
 
 user_events test has been enabled for default run in Linux 6.6-rc1. The
 following fixes are for bugs found since then:
 
 - adds checks for dependencies and skips the test. user_events test
   requires root access, and tracefs and user_events enabled. It leaves
   tracefs mounted and a fix is in progress for that missing piece.
 
 - creates user_events test-specific Kconfig fragments.
 
 ftrace test fixes:
 
 - unmounts tracefs for recovering environment. Fix identified during the
   above mentioned user_events dependencies fix.
 
 - adds softlink to latest log directory improving usage.
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Merge tag 'linux-kselftest-fixes-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull more kselftest fixes from Shuah Khan
 "Fixes to user_events test and ftrace test.

  The user_events test was enabled by default in Linux 6.6-rc1. The
  following fixes are for bugs found since then:

   - add checks for dependencies and skip the test if they aren't met.

     The user_events test requires root access, and tracefs and
     user_events enabled. It leaves tracefs mounted and a fix is in
     progress for that missing piece.

   - create user_events test-specific Kconfig fragments

  ftrace test fixes:

   - unmount tracefs for recovering environment. Fix identified during
     the above mentioned user_events dependencies fix.

   - adds softlink to latest log directory improving usage"

* tag 'linux-kselftest-fixes-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: tracing: Fix to unmount tracefs for recovering environment
  selftests: user_events: create test-specific Kconfig fragments
  ftrace/selftests: Add softlink to latest log directory
  selftests/user_events: Fix failures when user_events is not installed
2023-09-15 19:22:20 -07:00
Nick Desaulniers
c0bb9fb0e5 bpf: Fix BTF_ID symbol generation collision in tools/
Marcus and Satya reported an issue where BTF_ID macro generates same
symbol in separate objects and that breaks final vmlinux link.

  ld.lld: error: ld-temp.o <inline asm>:14577:1: symbol
  '__BTF_ID__struct__cgroup__624' is already defined

This can be triggered under specific configs when __COUNTER__ happens to
be the same for the same symbol in two different translation units,
which is already quite unlikely to happen.

Add __LINE__ number suffix to make BTF_ID symbol more unique, which is
not a complete fix, but it would help for now and meanwhile we can work
on better solution as suggested by Andrii.

Cc: stable@vger.kernel.org
Reported-by: Satya Durga Srinivasu Prabhala <quic_satyap@quicinc.com>
Reported-by: Marcus Seyfarth <m.seyfarth@gmail.com>
Closes: https://github.com/ClangBuiltLinux/linux/issues/1913
Debugged-by: Nathan Chancellor <nathan@kernel.org>
Co-developed-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/CAEf4Bzb5KQ2_LmhN769ifMeSJaWfebccUasQOfQKaOd0nQ51tw@mail.gmail.com/
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20230915-bpf_collision-v3-2-263fc519c21f@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-09-15 12:08:27 -07:00
David S. Miller
615efed8b6 netfilter pull request 23-09-13
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Merge tag 'nf-23-09-13' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf

netfilter pull request 23-09-13

====================

The following patchset contains Netfilter fixes for net:

1) Do not permit to remove rules from chain binding, otherwise
   double rule release is possible, triggering UaF. This rule
   deletion support does not make sense and userspace does not use
   this. Problem exists since the introduction of chain binding support.

2) rbtree GC worker only collects the elements that have expired.
   This operation is not destructive, therefore, turn write into
   read spinlock to avoid datapath contention due to GC worker run.
   This was not fixed in the recent GC fix batch in the 6.5 cycle.

3) pipapo set backend performs sync GC, therefore, catchall elements
   must use sync GC queue variant. This bug was introduced in the
   6.5 cycle with the recent GC fixes.

4) Stop GC run if memory allocation fails in pipapo set backend,
   otherwise access to NULL pointer to GC transaction object might
   occur. This bug was introduced in the 6.5 cycle with the recent
   GC fixes.

5) rhash GC run uses an iterator that might hit EAGAIN to rewind,
   triggering double-collection of the same element. This bug was
   introduced in the 6.5 cycle with the recent GC fixes.

6) Do not permit to remove elements in anonymous sets, this type of
   sets are populated once and then bound to rules. This fix is
   similar to the chain binding patch coming first in this batch.
   API permits since the very beginning but it has no use case from
   userspace.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-15 13:56:58 +01:00
Sabrina Dubroca
c326ca9844 selftests: tls: swap the TX and RX sockets in some tests
tls.sendmsg_large and tls.sendmsg_multiple are trying to send through
the self->cfd socket (only configured with TLS_RX) and to receive through
the self->fd socket (only configured with TLS_TX), so they're not using
kTLS at all. Swap the sockets.

Fixes: 7f657d5bf5 ("selftests: tls: add selftests for TLS sockets")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-15 07:41:39 +01:00
Linus Torvalds
9fdfb15a3d Networking fixes for 6.6-rc2.
Current release - regressions:
 
   - bcmasp: fix possible OOB write in bcmasp_netfilt_get_all_active()
 
 Previous releases - regressions:
 
   - ipv4: fix one memleak in __inet_del_ifa()
 
   - tcp: fix bind() regressions for v4-mapped-v6 addresses.
 
   - tls: do not free tls_rec on async operation in bpf_exec_tx_verdict()
 
   - dsa: fixes for SJA1105 FDB regressions
 
   - veth: update XDP feature set when bringing up device
 
   - igb: fix hangup when enabling SR-IOV
 
 Previous releases - always broken:
 
   - kcm: fix memory leak in error path of kcm_sendmsg()
 
   - smc: fix data corruption in smcr_port_add
 
   - microchip: fix possible memory leak for vcap_dup_rule()
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Quite unusually, this does not contains any fix coming from subtrees
  (nf, ebpf, wifi, etc).

  Current release - regressions:

   - bcmasp: fix possible OOB write in bcmasp_netfilt_get_all_active()

  Previous releases - regressions:

   - ipv4: fix one memleak in __inet_del_ifa()

   - tcp: fix bind() regressions for v4-mapped-v6 addresses.

   - tls: do not free tls_rec on async operation in
     bpf_exec_tx_verdict()

   - dsa: fixes for SJA1105 FDB regressions

   - veth: update XDP feature set when bringing up device

   - igb: fix hangup when enabling SR-IOV

  Previous releases - always broken:

   - kcm: fix memory leak in error path of kcm_sendmsg()

   - smc: fix data corruption in smcr_port_add

   - microchip: fix possible memory leak for vcap_dup_rule()"

* tag 'net-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (37 commits)
  kcm: Fix error handling for SOCK_DGRAM in kcm_sendmsg().
  net: renesas: rswitch: Add spin lock protection for irq {un}mask
  net: renesas: rswitch: Fix unmasking irq condition
  igb: clean up in all error paths when enabling SR-IOV
  ixgbe: fix timestamp configuration code
  selftest: tcp: Add v4-mapped-v6 cases in bind_wildcard.c.
  selftest: tcp: Move expected_errno into each test case in bind_wildcard.c.
  selftest: tcp: Fix address length in bind_wildcard.c.
  tcp: Fix bind() regression for v4-mapped-v6 non-wildcard address.
  tcp: Fix bind() regression for v4-mapped-v6 wildcard address.
  tcp: Factorise sk_family-independent comparison in inet_bind2_bucket_match(_addr_any).
  ipv6: fix ip6_sock_set_addr_preferences() typo
  veth: Update XDP feature set when bringing up device
  net: macb: fix sleep inside spinlock
  net/tls: do not free tls_rec on async operation in bpf_exec_tx_verdict()
  net: ethernet: mtk_eth_soc: fix pse_port configuration for MT7988
  net: ethernet: mtk_eth_soc: fix uninitialized variable
  kcm: Fix memory leak in error path of kcm_sendmsg()
  r8152: check budget for r8152_poll()
  net: dsa: sja1105: block FDB accesses that are concurrent with a switch reset
  ...
2023-09-14 10:03:34 -07:00
Mike Rapoport (IBM)
55122e0130 memblock tests: fix warning ‘struct seq_file’ declared inside parameter list
Building memblock tests produces the following warning:

cc -I. -I../../include -Wall -O2 -fsanitize=address -fsanitize=undefined -D CONFIG_PHYS_ADDR_T_64BIT   -c -o main.o main.c
In file included from tests/common.h:9,
                 from tests/basic_api.h:5,
                 from main.c:2:
./linux/memblock.h:601:50: warning: ‘struct seq_file’ declared inside parameter list will not be visible outside of this definition or declaration
  601 | static inline void memtest_report_meminfo(struct seq_file *m) { }
      |                                                  ^~~~~~~~

Add declaration of 'struct seq_file' to tools/include/linux/seq_file.h
to fix it.

Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
2023-09-14 10:51:28 +03:00
Mike Rapoport (IBM)
5e1bffbdb6 memblock tests: fix warning: "__ALIGN_KERNEL" redefined
Building memblock tests produces the following warning:

cc -I. -I../../include -Wall -O2 -fsanitize=address -fsanitize=undefined -D CONFIG_PHYS_ADDR_T_64BIT   -c -o main.o main.c
In file included from ../../include/linux/pfn.h:5,
                 from ./linux/memory_hotplug.h:6,
                 from ./linux/init.h:7,
                 from ./linux/memblock.h:11,
                 from tests/common.h:8,
                 from tests/basic_api.h:5,
                 from main.c:2:
../../include/linux/mm.h:14: warning: "__ALIGN_KERNEL" redefined
   14 | #define __ALIGN_KERNEL(x, a)            __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
      |
In file included from ../../include/linux/mm.h:6,
                 from ../../include/linux/pfn.h:5,
                 from ./linux/memory_hotplug.h:6,
                 from ./linux/init.h:7,
                 from ./linux/memblock.h:11,
                 from tests/common.h:8,
                 from tests/basic_api.h:5,
                 from main.c:2:
../../include/uapi/linux/const.h:31: note: this is the location of the previous definition
   31 | #define __ALIGN_KERNEL(x, a)            __ALIGN_KERNEL_MASK(x, (__typeof__(x))(a) - 1)
      |

Remove definitions of __ALIGN_KERNEL and __ALIGN_KERNEL_MASK from
tools/include/linux/mm.h to fix it.

Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
2023-09-14 09:26:14 +03:00