The brute force iommu_flush_iotlb_all() was good enough for unmap, but
in some cases a map operation could require removing a table pte entry
to replace with a block entry. This also requires tlb invalidation.
Missing this was resulting an obscure iova fault on what should be a
valid buffer address.
Thanks to Robin Murphy for helping me understand the cause of the fault.
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: stable@vger.kernel.org
Fixes: b145c6e65e ("drm/msm: Add support to create a local pagetable")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/578117/
Fix trace_string() by assigning the string length to the return variable
which got lost in commit ddeea494a1 ("tracing/synthetic: Use union
instead of casts") and caused trace_string() to always return 0.
Link: https://lore.kernel.org/linux-trace-kernel/20240214220555.711598-1-thorsten.blum@toblux.com
Cc: stable@vger.kernel.org
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fixes: ddeea494a1 ("tracing/synthetic: Use union instead of casts")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2024-02-06 (igb, igc)
This series contains updates to igb and igc drivers.
Kunwu Chan adjusts firmware version string implementation to resolve
possible NULL pointer issue for igb.
Sasha removes workaround on igc.
* '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
igc: Remove temporary workaround
igb: Fix string truncation warnings in igb_set_fw_version
====================
Link: https://lore.kernel.org/r/20240214180347.3219650-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Breno Leitao says:
====================
Fix MODULE_DESCRIPTION() for net (p6)
There are a few network modules left that misses MODULE_DESCRIPTION(),
causing a warnning when compiling with W=1. Example:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/net/arcnet/....
This last patchset solves the problem for all the missing driver. It is
not expect to see any warning for the driver/net and net/ directory once
all these patches have landed.
v1: https://lore.kernel.org/all/20240213112122.404045-1-leitao@debian.org/
====================
Link: https://lore.kernel.org/r/20240214152741.670178-1-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the ARC modules.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-8-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the PHY MDIO helpers.
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240214152741.670178-7-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the PPP modules.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-6-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the SysKonnect FDDI PCI module.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-5-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the PLIP (parallel port) network module
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-4-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the IEEE 802.15.4 loopback driver.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-3-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the Xen backend network module.
Signed-off-by: Breno Leitao <leitao@debian.org>
Acked-by: Paul Durrant <paul@xen.org>
Link: https://lore.kernel.org/r/20240214152741.670178-2-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The USB audio driver tries to retrieve MIDI jack name strings that can
be used for rawmidi substream names and sequencer port names, but its
checking is too strict: often the firmware provides the jack info for
unexpected directions, and then we miss the info although it's
present.
In this patch, the code to extract the jack info is changed to allow
both in and out directions in a single loop. That is, the former two
functions to obtain the descriptor pointers for jack in and out are
changed to a single function that returns iJack of the corresponding
jack ID, no matter which direction is used. It's a code
simplification at the same time as well as the fix.
Fixes: eb596e0fd1 ("ALSA: usb-audio: generate midi streaming substream names from jack names")
Link: https://lore.kernel.org/r/20240215153144.26047-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The HP mt645 G7 Thin Client uses an ALC236 codec and needs the
ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF quirk to make the mute and
micmute LEDs work.
There are two variants of the USB-C PD chip on this device. Each uses
a different BIOS and board ID, hence the two entries.
Signed-off-by: Eniac Zhang <eniac-xw.zhang@hp.com>
Signed-off-by: Alexandru Gagniuc <alexandru.gagniuc@hp.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20240215154922.778394-1-alexandru.gagniuc@hp.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The units of "work done" in the RX path should be packets instead of
descriptors, as large packets can be spread over multiple descriptors.
Fixes: 1c59eb678c ("ravb: Fillup ravb_rx_gbeth() stub")
Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/20240214151204.2976-1-paul.barker.ct@bp.renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
syzbot reports a memory leak in pppoe_sendmsg [1].
The problem is in the pppoe_recvmsg() function that handles errors
in the wrong order. For the skb_recv_datagram() function, check
the pointer to skb for NULL first, and then check the 'error' variable,
because the skb_recv_datagram() function can set 'error'
to -EAGAIN in a loop but return a correct pointer to socket buffer
after a number of attempts, though 'error' remains set to -EAGAIN.
skb_recv_datagram
__skb_recv_datagram // Loop. if (err == -EAGAIN) then
// go to the next loop iteration
__skb_try_recv_datagram // if (skb != NULL) then return 'skb'
// else if a signal is received then
// return -EAGAIN
Found by InfoTeCS on behalf of Linux Verification Center
(linuxtesting.org) with Syzkaller.
Link: https://syzkaller.appspot.com/bug?extid=6bdfd184eac7709e5cc9 [1]
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Reported-by: syzbot+6bdfd184eac7709e5cc9@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=6bdfd184eac7709e5cc9
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Link: https://lore.kernel.org/r/20240214085814.3894917-1-Ilia.Gavrilov@infotecs.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In case of GSO, 'chunk->skb' pointer may point to an entry from
fraglist created in 'sctp_packet_gso_append()'. To avoid freeing
random fraglist entry (and so undefined behavior and/or memory
leak), introduce 'sctp_inq_chunk_free()' helper to ensure that
'chunk->skb' is set to 'chunk->head_skb' (i.e. fraglist head)
before calling 'sctp_chunk_free()', and use the aforementioned
helper in 'sctp_inq_pop()' as well.
Reported-by: syzbot+8bb053b5d63595ab47db@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?id=0d8351bbe54fd04a492c2daab0164138db008042
Fixes: 90017accff ("sctp: Add GSO support")
Suggested-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Acked-by: Xin Long <lucien.xin@gmail.com>
Link: https://lore.kernel.org/r/20240214082224.10168-1-dmantipov@yandex.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
A relatively large set of fixes and quirk additions here but they're all
driver specific, people seem to be back into the swing of things after
the holidays. This is all driver specific and much of it fairly minor.
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Merge tag 'asoc-fix-v6.8-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.8
A relatively large set of fixes and quirk additions here but they're all
driver specific, people seem to be back into the swing of things after
the holidays. This is all driver specific and much of it fairly minor.
lld is now able to build ARMv4 and ARMv4T kernels, which means it can
generate thunks for those (__ARMv4PILongThunk_*, __ARMv4PILongBXThunk_*)
that can interfere with kallsyms table generation since they do not get
ignore like the corresponding ARMv5+ ones are:
Inconsistent kallsyms data
Try "make KALLSYMS_EXTRA_PASS=1" as a workaround
Replace the hardcoded list of thunk symbols with a more general regex that
covers this one along with future symbols that follow the same pattern.
Fixes: 5eb6e28043 ("ARM: 9289/1: Allow pre-ARMv5 builds with ld.lld 16.0.0 and newer")
Fixes: efe6e30680 ("kallsyms: fix nonconverging kallsyms table with lld")
Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
The buffer_pg variable needs to hold an order-5 allocation (32 x
PAGE_SIZE) which, under memory pressure may fail to be allocated. Deal
with that error condition properly to avoid doing a NULL pointer
de-reference in the subsequent call to dma_map_page().
In addition, the err_reclaim_tx error label in bcmasp_netif_init() needs
to ensure that the TX NAPI object is properly deleted, otherwise
unregister_netdev() will spin forever attempting to test and clear
the NAPI_STATE_HASHED bit.
Fixes: 490cb41200 ("net: bcmasp: Add support for ASP2.0 Ethernet controller")
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Justin Chen <justin.chen@broadcom.com>
Link: https://lore.kernel.org/r/20240213173339.3438713-1-florian.fainelli@broadcom.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'nf-24-02-15' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following batch contains Netfilter fixes for net:
1) Missing : in kdoc field in nft_set_pipapo.
2) Restore default DNAT behavior When a DNAT rule is configured via
iptables with different port ranges, from Kyle Swenson.
3) Restore flowtable hardware offload for bidirectional flows
by setting NF_FLOW_HW_BIDIRECTIONAL flag, from Felix Fietkau.
netfilter pull request 24-02-15
* tag 'nf-24-02-15' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: fix bidirectional offload regression
netfilter: nat: restore default DNAT behavior
netfilter: nft_set_pipapo: fix missing : in kdoc
====================
Link: https://lore.kernel.org/r/20240214233818.7946-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Doug Anderson observed that ChromeOS crashes are being reported which
include failing allocations of order 7 during core dumps due to ptrace
allocating storage for regsets:
chrome: page allocation failure: order:7,
mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO),
nodemask=(null),cpuset=urgent,mems_allowed=0
...
regset_get_alloc+0x1c/0x28
elf_core_dump+0x3d8/0xd8c
do_coredump+0xeb8/0x1378
with further investigation showing that this is:
[ 66.957385] DOUG: Allocating 279584 bytes
which is the maximum size of the SVE regset. As Doug observes it is not
entirely surprising that such a large allocation of contiguous memory might
fail on a long running system.
The SVE regset is currently sized to hold SVE registers with a VQ of
SVE_VQ_MAX which is 512, substantially more than the architectural maximum
of 16 which we might see even in a system emulating the limits of the
architecture. Since we don't expose the size we tell the regset core
externally let's define ARCH_SVE_VQ_MAX with the actual architectural
maximum and use that for the regset, we'll still overallocate most of the
time but much less so which will be helpful even if the core is fixed to
not require contiguous allocations.
Specify ARCH_SVE_VQ_MAX in terms of the maximum value that can be written
into ZCR_ELx.LEN (where this is set in the hardware). For consistency
update the maximum SME vector length to be specified in the same style
while we are at it.
We could also teach the ptrace core about runtime discoverable regset sizes
but that would be a more invasive change and this is being observed in
practical systems.
Reported-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20240213-arm64-sve-ptrace-regset-size-v2-1-c7600ca74b9b@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Add the MIDR value of Microsoft Azure Cobalt 100, which is a Microsoft
implemented CPU based on r0p0 of the ARM Neoverse N2 CPU, and therefore
suffers from all the same errata.
CC: stable@vger.kernel.org # 5.15+
Signed-off-by: Easwar Hariharan <eahariha@linux.microsoft.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240214175522.2457857-1-eahariha@linux.microsoft.com
Signed-off-by: Will Deacon <will@kernel.org>
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Merge tag 'linux-can-fixes-for-6.8-20240214' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2024-02-14
this is a pull request of 3 patches for net/master.
the first patch is by Ziqi Zhao and targets the CAN J1939 protocol, it
fixes a potential deadlock by replacing the spinlock by an rwlock.
Oleksij Rempel's patch adds a missing spin_lock_bh() to prevent a
potential Use-After-Free in the CAN J1939's
setsockopt(SO_J1939_FILTER).
Maxime Jayat contributes a patch to fix the transceiver delay
compensation (TDCO) calculation, which is needed for higher CAN-FD bit
rates (usually 2Mbit/s).
* tag 'linux-can-fixes-for-6.8-20240214' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: netlink: Fix TDCO calculation using the old data bittiming
can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)
can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock
====================
Link: https://lore.kernel.org/r/20240214140348.2412776-1-mkl@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When SOF_TIMESTAMPING_OPT_ID is used to ambiguate timestamped datagrams,
the sk_tskey can become unpredictable in case of any error happened
during sendmsg(). Move increment later in the code and make decrement of
sk_tskey in error path. This solution is still racy in case of multiple
threads doing snedmsg() over the very same socket in parallel, but still
makes error path much more predictable.
Fixes: 09c2d251b7 ("net-timestamp: add key to disambiguate concurrent datagrams")
Reported-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240213110428.1681540-1-vadfed@meta.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
clang-16 warns about a cast between incompatible function types:
drivers/gpu/drm/xe/xe_range_fence.c:155:10: error: cast from 'void (*)(const void *)' to 'void (*)(struct xe_range_fence *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
155 | .free = (void (*)(struct xe_range_fence *rfence)) kfree,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Avoid this with a trivial helper function that calls kfree() here.
v2:
- s/* rfence/*rfence/ (Thomas)
Fixes: 845f64bdbf ("drm/xe: Introduce a range-fence utility")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240213095719.454865-1-arnd@kernel.org
(cherry picked from commit f2c9364db5)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
shmem ensures the memory is cleared on allocation, however here we are
using TTM, which doesn't natively support shmem (other than for swap),
but instead just allocates normal system memory. And we only zero such
memory for userspace allocations. In the case of intel_fbdev we are
missing the memset_io() since display path incorrectly thinks object is
shmem based.
Fixes: 44e694958b ("drm/xe/display: Implement display support")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240205153110.38340-2-matthew.auld@intel.com
(cherry picked from commit 63fb531fbf)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
The function xe_vm_prepare_vma was blindly accepting zero as the
number of fences and forwarded that to drm_exec_prepare_obj.
However, that leads to an out-of-bounds shift in the
dma_resv_reserve_fences() and while one could argue that the
dma_resv code should be robust against that, avoid attempting
to reserve zero fences.
Relevant stack trace:
[773.183188] ------------[ cut here ]------------
[773.183199] UBSAN: shift-out-of-bounds in ../include/linux/log2.h:57:13
[773.183241] shift exponent 64 is too large for 64-bit type 'long unsigned int'
[773.183254] CPU: 2 PID: 1816 Comm: xe_evict Tainted: G U 6.8.0-rc3-xe #1
[773.183256] Hardware name: ASUS System Product Name/PRIME Z690-P D4, BIOS 2014 10/14/2022
[773.183257] Call Trace:
[773.183258] <TASK>
[773.183260] dump_stack_lvl+0xaf/0xd0
[773.183266] dump_stack+0x10/0x20
[773.183283] ubsan_epilogue+0x9/0x40
[773.183286] __ubsan_handle_shift_out_of_bounds+0x10f/0x170
[773.183293] dma_resv_reserve_fences.cold+0x2b/0x48
[773.183295] ? ww_mutex_lock+0x3c/0x110
[773.183301] drm_exec_prepare_obj+0x45/0x60 [drm_exec]
[773.183313] xe_vm_prepare_vma+0x33/0x70 [xe]
[773.183375] xe_vma_destroy_unlocked+0x55/0xa0 [xe]
[773.183427] xe_vm_close_and_put+0x526/0x940 [xe]
Fixes: 2714d50936 ("drm/xe: Convert pagefaulting code to use drm_exec")
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240208132115.3132-1-thomas.hellstrom@linux.intel.com
(cherry picked from commit eb538b5574)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Test runners on debug kernels occasionally fail with:
# # RUN tls_err.13_aes_gcm.poll_partial_rec_async ...
# # tls.c:1883:poll_partial_rec_async:Expected poll(&pfd, 1, 5) (0) == 1 (1)
# # tls.c:1870:poll_partial_rec_async:Expected status (256) == 0 (0)
# # poll_partial_rec_async: Test failed at step #17
# # FAIL tls_err.13_aes_gcm.poll_partial_rec_async
# not ok 699 tls_err.13_aes_gcm.poll_partial_rec_async
# # FAILED: 698 / 699 tests passed.
This points to the second poll() in the test which is expected
to wait for the sender to send the rest of the data.
Apparently under some conditions that doesn't happen within 5ms,
bump the timeout to 20ms.
Fixes: 23fcb62bc1 ("selftests: tls: add tests for poll behavior")
Link: https://lore.kernel.org/r/20240213142055.395564-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
To fully support initializing the LAG support code, a DDP package that
extracts the logical port from the metadata is required. If such a
package is not present, there could be difficulties in supporting some
bond types.
Add a check into the initialization flow that will bypass the new paths
if any of the support pieces are missing.
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Fixes: df006dd4b1 ("ice: Add initial support framework for LAG")
Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://lore.kernel.org/r/20240213183957.1483857-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
that's how we love it ;-)
iwlwifi:
- correct A3 in A-MSDUs
- fix crash when operating as AP and running out of station
slots to use
- clear link ID to correct some later checks against it
- fix error codes in SAR table loading
- fix error path in PPAG table read
mac80211:
- reload a pointer after SKB may have changed
(only in certain monitor inject mode scenarios)
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Merge tag 'wireless-2024-02-14' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
Valentine's day edition, with just few fixes because
that's how we love it ;-)
iwlwifi:
- correct A3 in A-MSDUs
- fix crash when operating as AP and running out of station
slots to use
- clear link ID to correct some later checks against it
- fix error codes in SAR table loading
- fix error path in PPAG table read
mac80211:
- reload a pointer after SKB may have changed
(only in certain monitor inject mode scenarios)
* tag 'wireless-2024-02-14' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: iwlwifi: mvm: fix a crash when we run out of stations
wifi: iwlwifi: uninitialized variable in iwl_acpi_get_ppag_table()
wifi: iwlwifi: Fix some error codes
wifi: iwlwifi: clear link_id in time_event
wifi: iwlwifi: mvm: use correct address 3 in A-MSDU
wifi: mac80211: reload info pointer in ieee80211_tx_dequeue()
====================
Link: https://lore.kernel.org/r/20240214184326.132813-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If we hit CQ ring overflow when attempting to post a multishot accept
completion, we don't properly save the result or return code. This
results in losing the accepted fd value.
Instead, we return the result from the poll operation that triggered
the accept retry. This is generally POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND
which is 0xc3, or 195, which looks like a valid file descriptor, but it
really has no connection to that.
Handle this like we do for other multishot completions - assign the
result, and return IOU_STOP_MULTISHOT to cancel any further completions
from this request when overflow is hit. This preserves the result, as we
should, and tells the application that the request needs to be re-armed.
Cc: stable@vger.kernel.org
Fixes: 515e269612 ("io_uring: revert "io_uring fix multishot accept ordering"")
Link: https://github.com/axboe/liburing/issues/1062
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Merge tag 'landlock-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock test fixes from Mickaël Salaün:
"Fix build issues for tests, and improve test compatibility"
* tag 'landlock-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
selftests/landlock: Fix capability for net_test
selftests/landlock: Fix fs_test build with old libc
selftests/landlock: Fix net_test build with old libc
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Merge tag 'for-6.8-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"A few regular fixes and one fix for space reservation regression since
6.7 that users have been reporting:
- fix over-reservation of metadata chunks due to not keeping proper
balance between global block reserve and delayed refs reserve; in
practice this leaves behind empty metadata block groups, the
workaround is to reclaim them by using the '-musage=1' balance
filter
- other space reservation fixes:
- do not delete unused block group if it may be used soon
- do not reserve space for checksums for NOCOW files
- fix extent map assertion failure when writing out free space inode
- reject encoded write if inode has nodatasum flag set
- fix chunk map leak when loading block group zone info"
* tag 'for-6.8-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: don't refill whole delayed refs block reserve when starting transaction
btrfs: zoned: fix chunk map leak when loading block group zone info
btrfs: reject encoded write if inode has nodatasum flag set
btrfs: don't reserve space for checksums when writing to nocow files
btrfs: add new unused block groups to the list of unused block groups
btrfs: do not delete unused block group if it may be used soon
btrfs: add and use helper to check if block group is used
btrfs: don't drop extent_map for free space inode on write error
This KUnit update for Linux 6.8-rc5 consists of one important fix
to unregister kunit_bus when KUnit module is unloaded. Not doing
so causes an error when KUnit module tries to re-register the bus
when it gets reloaded.
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Merge tag 'linux_kselftest-kunit-fixes-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull KUnit fix from Shuah Khan:
"One important fix to unregister kunit_bus when KUnit module is
unloaded.
Not doing so causes an error when KUnit module tries to re-register
the bus when it gets reloaded"
* tag 'linux_kselftest-kunit-fixes-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: device: Unregister the kunit_bus on shutdown
Commit 8f84780b84 ("netfilter: flowtable: allow unidirectional rules")
made unidirectional flow offload possible, while completely ignoring (and
breaking) bidirectional flow offload for nftables.
Add the missing flag that was left out as an exercise for the reader :)
Cc: Vlad Buslov <vladbu@nvidia.com>
Fixes: 8f84780b84 ("netfilter: flowtable: allow unidirectional rules")
Reported-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
When a DNAT rule is configured via iptables with different port ranges,
iptables -t nat -A PREROUTING -p tcp -d 10.0.0.2 -m tcp --dport 32000:32010
-j DNAT --to-destination 192.168.0.10:21000-21010
we seem to be DNATing to some random port on the LAN side. While this is
expected if --random is passed to the iptables command, it is not
expected without passing --random. The expected behavior (and the
observed behavior prior to the commit in the "Fixes" tag) is the traffic
will be DNAT'd to 192.168.0.10:21000 unless there is a tuple collision
with that destination. In that case, we expect the traffic to be
instead DNAT'd to 192.168.0.10:21001, so on so forth until the end of
the range.
This patch intends to restore the behavior observed prior to the "Fixes"
tag.
Fixes: 6ed5943f87 ("netfilter: nat: remove l4 protocol port rovers")
Signed-off-by: Kyle Swenson <kyle.swenson@est.tech>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Add missing : in kdoc field names.
Fixes: 8683f4b995 ("nft_set_pipapo: Prepare for vectorised implementation: helpers")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
get_line() does not trim the leading spaces, but the
parse_source_files() expects to get lines with source files paths where
the first space occurs after the file path.
Fixes: 70f30cfe5b ("modpost: use read_text_file() and get_line() for reading text files")
Signed-off-by: Radek Krejci <radek.krejci@oracle.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
According to the Intel datasheets, software must reset the block
buffer index twice for block process call transactions: once before
writing the outgoing data to the buffer, and once again before
reading the incoming data from the buffer.
The driver is currently missing the second reset, causing the wrong
portion of the block buffer to be read.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reported-by: Piotr Zakowski <piotr.zakowski@intel.com>
Closes: https://lore.kernel.org/linux-i2c/20240213120553.7b0ab120@endymion.delvare/
Fixes: 315cd67c94 ("i2c: i801: Add Block Write-Block Read Process Call support")
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
On powerpc, it is possible to compile test both the new apple (arm) and
old pasemi (powerpc) drivers for the i2c hardware at the same time,
which leads to a warning about linking the same object file twice:
scripts/Makefile.build:244: drivers/i2c/busses/Makefile: i2c-pasemi-core.o is added to multiple modules: i2c-apple i2c-pasemi
Rework the driver to have an explicit helper module, letting Kbuild
take care of whether this should be built-in or a loadable driver.
Fixes: 9bc5f4f660 ("i2c: pasemi: Split pci driver to its own file")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
GNU Make manual [1] clearly forbids a tab at the beginning of the
conditional directive line:
"Extra spaces are allowed and ignored at the beginning of the
conditional directive line, but a tab is not allowed."
This will not work for the next release of GNU Make, hence commit
82175d1f94 ("kbuild: Replace tabs with spaces when followed by
conditionals") replaced the inappropriate tabs with 8 spaces.
However, the 8-space indentation cannot be visually distinguished.
Linus suggested 2-4 spaces for those nested if-statements. [2]
This commit redoes the replacement with 4 spaces.
[1]: https://www.gnu.org/software/make/manual/make.html#Conditional-Syntax
[2]: https://lore.kernel.org/all/CAHk-=whJKZNZWsa-VNDKafS_VfY4a5dAjG-r8BZgWk_a-xSepw@mail.gmail.com/
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
security_setselfattr() has an integer overflow bug that leads to
out-of-bounds access when userspace provides bogus input:
`lctx->ctx_len + sizeof(*lctx)` is checked against `lctx->len` (and,
redundantly, also against `size`), but there are no checks on
`lctx->ctx_len`.
Therefore, userspace can provide an `lsm_ctx` with `->ctx_len` set to a
value between `-sizeof(struct lsm_ctx)` and -1, and this bogus `->ctx_len`
will then be passed to an LSM module as a buffer length, causing LSM
modules to perform out-of-bounds accesses.
The following reproducer will demonstrate this under ASAN (if AppArmor is
loaded as an LSM):
```
struct lsm_ctx {
uint64_t id;
uint64_t flags;
uint64_t len;
uint64_t ctx_len;
char ctx[];
};
int main(void) {
size_t size = sizeof(struct lsm_ctx);
struct lsm_ctx *ctx = malloc(size);
ctx->id = 104/*LSM_ID_APPARMOR*/;
ctx->flags = 0;
ctx->len = size;
ctx->ctx_len = -sizeof(struct lsm_ctx);
syscall(
460/*__NR_lsm_set_self_attr*/,
/*attr=*/ 100/*LSM_ATTR_CURRENT*/,
/*ctx=*/ ctx,
/*size=*/ size,
/*flags=*/ 0
);
}
```
Fixes: a04a119808 ("LSM: syscalls for current process attributes")
Signed-off-by: Jann Horn <jannh@google.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
[PM: subj tweak, removed ref to ASAN splat that isn't included]
Signed-off-by: Paul Moore <paul@paul-moore.com>
PHY_CONTROL register works as defined in the IEEE 802.3 specification
(IEEE 802.3-2008 22.2.4.1). Tidy up the temporary workaround.
User impact: PHY can now be powered down when the ethernet link is down.
Testing hints: ip link set down <device> (or just disconnect the
ethernet cable).
Oldest tested NVM version is: 1045:740.
Fixes: 5586838fe9 ("igc: Add code for PHY support")
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
