Both rtw88 and rtw89 have a 802.11 powersave fix for a regression
introduced in v6.0. mt76 fixes a race and a null pointer dereference.
iwlwifi fixes an issue where not enough memory was allocated for a
firmware event. And finally the stack has several smaller fixes all
over.
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Merge tag 'wireless-2023-06-06' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Kalle Valo says:
====================
wireless fixes for v6.4
Both rtw88 and rtw89 have a 802.11 powersave fix for a regression
introduced in v6.0. mt76 fixes a race and a null pointer dereference.
iwlwifi fixes an issue where not enough memory was allocated for a
firmware event. And finally the stack has several smaller fixes all
over.
* tag 'wireless-2023-06-06' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: cfg80211: fix locking in regulatory disconnect
wifi: cfg80211: fix locking in sched scan stop work
wifi: iwlwifi: mvm: Fix -Warray-bounds bug in iwl_mvm_wait_d3_notif()
wifi: mac80211: fix switch count in EMA beacons
wifi: mac80211: don't translate beacon/presp addrs
wifi: mac80211: mlme: fix non-inheritence element
wifi: cfg80211: reject bad AP MLD address
wifi: mac80211: use correct iftype HE cap
wifi: mt76: mt7996: fix possible NULL pointer dereference in mt7996_mac_write_txwi()
wifi: rtw89: remove redundant check of entering LPS
wifi: rtw89: correct PS calculation for SUPPORTS_DYNAMIC_PS
wifi: rtw88: correct PS calculation for SUPPORTS_DYNAMIC_PS
wifi: mt76: mt7615: fix possible race in mt7615_mac_sta_poll
====================
Link: https://lore.kernel.org/r/20230606150817.EC133C433D2@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit 699b045a8e ("net: virtio_net: notifications coalescing
support") added coalescing command support for virtio_net. However,
the coalesce commands are using buffers on the stack, which is causing
the device to see DMA errors. There should also be a complaint from
check_for_stack() in debug_dma_map_xyz(). Fix this by adding and using
coalesce params from the control_buf struct, which aligns with other
commands.
Cc: stable@vger.kernel.org
Fixes: 699b045a8e ("net: virtio_net: notifications coalescing support")
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Allen Hubbe <allen.hubbe@amd.com>
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20230605195925.51625-1-brett.creeley@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit 523847df1b ("pds_core: add devcmd device interfaces") included
initial support for FW recovery detection. Unfortunately, the ordering
in pdsc_is_fw_good() was incorrect, which was causing FW recovery to be
undetected by the driver. Fix this by making sure to update the cached
fw_status by calling pdsc_is_fw_running() before setting the local FW
gen.
Fixes: 523847df1b ("pds_core: add devcmd device interfaces")
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230605195116.49653-1-brett.creeley@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We missed that tcp_gso_segment() was assuming skb->len was smaller than 65535 :
oldlen = (u16)~skb->len;
This part came with commit 0718bcc09b ("[NET]: Fix CHECKSUM_HW GSO problems.")
This leads to wrong TCP checksum.
Adapt the code to accept arbitrary packet length.
v2:
- use two csum_add() instead of csum_fold() (Alexander Duyck)
- Change delta type to __wsum to reduce casts (Alexander Duyck)
Fixes: 09f3d1a3a5 ("ipv6/gso: remove temporary HBH/jumbo header")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230605161647.3624428-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If it is async, runqueue_node is freed in g2d_runqueue_worker on another
worker thread. So in extreme cases, if g2d_runqueue_worker runs first, and
then executes the following if statement, there will be use-after-free.
Signed-off-by: Min Li <lm0963hack@gmail.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Fix a wrong error return by dropping an error return.
When vidi driver is remvoed, if ctx->raw_edid isn't same as fake_edid_info
then only what we have to is to free ctx->raw_edid so that driver removing
can work correctly - it's not an error case.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
A remote DoS vulnerability of RPL Source Routing is assigned CVE-2023-2156.
The Source Routing Header (SRH) has the following format:
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Next Header | Hdr Ext Len | Routing Type | Segments Left |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| CmprI | CmprE | Pad | Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
. .
. Addresses[1..n] .
. .
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
The originator of an SRH places the first hop's IPv6 address in the IPv6
header's IPv6 Destination Address and the second hop's IPv6 address as
the first address in Addresses[1..n].
The CmprI and CmprE fields indicate the number of prefix octets that are
shared with the IPv6 Destination Address. When CmprI or CmprE is not 0,
Addresses[1..n] are compressed as follows:
1..n-1 : (16 - CmprI) bytes
n : (16 - CmprE) bytes
Segments Left indicates the number of route segments remaining. When the
value is not zero, the SRH is forwarded to the next hop. Its address
is extracted from Addresses[n - Segment Left + 1] and swapped with IPv6
Destination Address.
When Segment Left is greater than or equal to 2, the size of SRH is not
changed because Addresses[1..n-1] are decompressed and recompressed with
CmprI.
OTOH, when Segment Left changes from 1 to 0, the new SRH could have a
different size because Addresses[1..n-1] are decompressed with CmprI and
recompressed with CmprE.
Let's say CmprI is 15 and CmprE is 0. When we receive SRH with Segment
Left >= 2, Addresses[1..n-1] have 1 byte for each, and Addresses[n] has
16 bytes. When Segment Left is 1, Addresses[1..n-1] is decompressed to
16 bytes and not recompressed. Finally, the new SRH will need more room
in the header, and the size is (16 - 1) * (n - 1) bytes.
Here the max value of n is 255 as Segment Left is u8, so in the worst case,
we have to allocate 3825 bytes in the skb headroom. However, now we only
allocate a small fixed buffer that is IPV6_RPL_SRH_WORST_SWAP_SIZE (16 + 7
bytes). If the decompressed size overflows the room, skb_push() hits BUG()
below [0].
Instead of allocating the fixed buffer for every packet, let's allocate
enough headroom only when we receive SRH with Segment Left 1.
[0]:
skbuff: skb_under_panic: text:ffffffff81c9f6e2 len:576 put:576 head:ffff8880070b5180 data:ffff8880070b4fb0 tail:0x70 end:0x140 dev:lo
kernel BUG at net/core/skbuff.c:200!
invalid opcode: 0000 [#1] PREEMPT SMP PTI
CPU: 0 PID: 154 Comm: python3 Not tainted 6.4.0-rc4-00190-gc308e9ec0047 #7
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:skb_panic (net/core/skbuff.c:200)
Code: 4f 70 50 8b 87 bc 00 00 00 50 8b 87 b8 00 00 00 50 ff b7 c8 00 00 00 4c 8b 8f c0 00 00 00 48 c7 c7 80 6e 77 82 e8 ad 8b 60 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000003da0 EFLAGS: 00000246
RAX: 0000000000000085 RBX: ffff8880058a6600 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88807dc1c540 RDI: ffff88807dc1c540
RBP: ffffc90000003e48 R08: ffffffff82b392c8 R09: 00000000ffffdfff
R10: ffffffff82a592e0 R11: ffffffff82b092e0 R12: ffff888005b1c800
R13: ffff8880070b51b8 R14: ffff888005b1ca18 R15: ffff8880070b5190
FS: 00007f4539f0b740(0000) GS:ffff88807dc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055670baf3000 CR3: 0000000005b0e000 CR4: 00000000007506f0
PKRU: 55555554
Call Trace:
<IRQ>
skb_push (net/core/skbuff.c:210)
ipv6_rthdr_rcv (./include/linux/skbuff.h:2880 net/ipv6/exthdrs.c:634 net/ipv6/exthdrs.c:718)
ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:437 (discriminator 5))
ip6_input_finish (./include/linux/rcupdate.h:805 net/ipv6/ip6_input.c:483)
__netif_receive_skb_one_core (net/core/dev.c:5494)
process_backlog (./include/linux/rcupdate.h:805 net/core/dev.c:5934)
__napi_poll (net/core/dev.c:6496)
net_rx_action (net/core/dev.c:6565 net/core/dev.c:6696)
__do_softirq (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/irq.h:142 kernel/softirq.c:572)
do_softirq (kernel/softirq.c:472 kernel/softirq.c:459)
</IRQ>
<TASK>
__local_bh_enable_ip (kernel/softirq.c:396)
__dev_queue_xmit (net/core/dev.c:4272)
ip6_finish_output2 (./include/net/neighbour.h:544 net/ipv6/ip6_output.c:134)
rawv6_sendmsg (./include/net/dst.h:458 ./include/linux/netfilter.h:303 net/ipv6/raw.c:656 net/ipv6/raw.c:914)
sock_sendmsg (net/socket.c:724 net/socket.c:747)
__sys_sendto (net/socket.c:2144)
__x64_sys_sendto (net/socket.c:2156 net/socket.c:2152 net/socket.c:2152)
do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)
RIP: 0033:0x7f453a138aea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
RSP: 002b:00007ffcc212a1c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007ffcc212a288 RCX: 00007f453a138aea
RDX: 0000000000000060 RSI: 00007f4539084c20 RDI: 0000000000000003
RBP: 00007f4538308e80 R08: 00007ffcc212a300 R09: 000000000000001c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: ffffffffc4653600 R14: 0000000000000001 R15: 00007f4539712d1b
</TASK>
Modules linked in:
Fixes: 8610c7c6e3 ("net: ipv6: add support for rpl sr exthdr")
Reported-by: Max VA
Closes: https://www.interruptlabs.co.uk/articles/linux-ipv6-route-of-death
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20230605180617.67284-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The drm sched entity must be flushed before finishing, to account for
jobs potentially still in flight at that time.
Lima did not do this flush until now, so switch the destroy call to the
drm_sched_entity_destroy() wrapper which will take care of that.
This fixes a regression on lima which started since the rework in
commit 2fdb8a8f07 ("drm/scheduler: rework entity flush, kill and fini")
where some specific types of applications may hang indefinitely.
Fixes: 2fdb8a8f07 ("drm/scheduler: rework entity flush, kill and fini")
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230606143247.433018-1-nunes.erico@gmail.com
Working on the code gen for C reveals typos in the ethtool spec
as the compiler tries to find the names in the existing uAPI
header. Fix the mistakes.
Fixes: a353318ebf ("tools: ynl: populate most of the ethtool spec")
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20230605233257.843977-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add current size of rule expressions to the boundary check.
Fixes: 2c865a8a28 ("netfilter: nf_tables: add rule blob layout")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
syzkaller found a repro that causes Hung Task [0] with ipset. The repro
first creates an ipset and then tries to delete a large number of IPs
from the ipset concurrently:
IPSET_ATTR_IPADDR_IPV4 : 172.20.20.187
IPSET_ATTR_CIDR : 2
The first deleting thread hogs a CPU with nfnl_lock(NFNL_SUBSYS_IPSET)
held, and other threads wait for it to be released.
Previously, the same issue existed in set->variant->uadt() that could run
so long under ip_set_lock(set). Commit 5e29dc36bd ("netfilter: ipset:
Rework long task execution when adding/deleting entries") tried to fix it,
but the issue still exists in the caller with another mutex.
While adding/deleting many IPs, we should release the CPU periodically to
prevent someone from abusing ipset to hang the system.
Note we need to increment the ipset's refcnt to prevent the ipset from
being destroyed while rescheduling.
[0]:
INFO: task syz-executor174:268 blocked for more than 143 seconds.
Not tainted 6.4.0-rc1-00145-gba79e9a73284 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor174 state:D stack:0 pid:268 ppid:260 flags:0x0000000d
Call trace:
__switch_to+0x308/0x714 arch/arm64/kernel/process.c:556
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xd84/0x1648 kernel/sched/core.c:6669
schedule+0xf0/0x214 kernel/sched/core.c:6745
schedule_preempt_disabled+0x58/0xf0 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6fc/0xdb0 kernel/locking/mutex.c:747
__mutex_lock_slowpath+0x14/0x20 kernel/locking/mutex.c:1035
mutex_lock+0x98/0xf0 kernel/locking/mutex.c:286
nfnl_lock net/netfilter/nfnetlink.c:98 [inline]
nfnetlink_rcv_msg+0x480/0x70c net/netfilter/nfnetlink.c:295
netlink_rcv_skb+0x1c0/0x350 net/netlink/af_netlink.c:2546
nfnetlink_rcv+0x18c/0x199c net/netfilter/nfnetlink.c:658
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x664/0x8cc net/netlink/af_netlink.c:1365
netlink_sendmsg+0x6d0/0xa4c net/netlink/af_netlink.c:1913
sock_sendmsg_nosec net/socket.c:724 [inline]
sock_sendmsg net/socket.c:747 [inline]
____sys_sendmsg+0x4b8/0x810 net/socket.c:2503
___sys_sendmsg net/socket.c:2557 [inline]
__sys_sendmsg+0x1f8/0x2a4 net/socket.c:2586
__do_sys_sendmsg net/socket.c:2595 [inline]
__se_sys_sendmsg net/socket.c:2593 [inline]
__arm64_sys_sendmsg+0x80/0x94 net/socket.c:2593
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x84/0x270 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x134/0x24c arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
el0_svc+0x2c/0x7c arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
Reported-by: syzkaller <syzkaller@googlegroups.com>
Fixes: a7b4f989a6 ("netfilter: ipset: IP set core support")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
An nf_conntrack_helper from nf_conn_help may become NULL after DNAT.
Observed when TCP port 1720 (Q931_PORT), associated with h323 conntrack
helper, is DNAT'ed to another destination port (e.g. 1730), while
nfqueue is being used for final acceptance (e.g. snort).
This happenned after transition from kernel 4.14 to 5.10.161.
Workarounds:
* keep the same port (1720) in DNAT
* disable nfqueue
* disable/unload h323 NAT helper
$ linux-5.10/scripts/decode_stacktrace.sh vmlinux < /tmp/kernel.log
BUG: kernel NULL pointer dereference, address: 0000000000000084
[..]
RIP: 0010:nf_conntrack_update (net/netfilter/nf_conntrack_core.c:2080 net/netfilter/nf_conntrack_core.c:2134) nf_conntrack
[..]
nfqnl_reinject (net/netfilter/nfnetlink_queue.c:237) nfnetlink_queue
nfqnl_recv_verdict (net/netfilter/nfnetlink_queue.c:1230) nfnetlink_queue
nfnetlink_rcv_msg (net/netfilter/nfnetlink.c:241) nfnetlink
[..]
Fixes: ee04805ff5 ("netfilter: conntrack: make conntrack userspace helpers work again")
Signed-off-by: Tijs Van Buggenhout <tijs.van.buggenhout@axsguard.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
At the end of `nft_bitwise_reduce`, there is a loop which is intended to
update the bitwise expression associated with each tracked destination
register. However, currently, it just updates the first register
repeatedly. Fix it.
Fixes: 34cc9e5288 ("netfilter: nf_tables: cancel tracking for clobbered destination registers")
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The nla_nest_start_noflag() function may fail and return NULL;
the return value needs to be checked.
Found by InfoTeCS on behalf of Linux Verification Center
(linuxtesting.org) with SVACE.
Fixes: d54725cd11 ("netfilter: nf_tables: support for multiple devices per netdev hook")
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Commit f4e4534850 ("net/netlink: fix NETLINK_LIST_MEMBERSHIPS length report")
fixed NETLINK_LIST_MEMBERSHIPS length report which caused
selftest sockopt_sk failure. The failure log looks like
test_sockopt_sk:PASS:join_cgroup /sockopt_sk 0 nsec
run_test:PASS:skel_load 0 nsec
run_test:PASS:setsockopt_link 0 nsec
run_test:PASS:getsockopt_link 0 nsec
getsetsockopt:FAIL:Unexpected NETLINK_LIST_MEMBERSHIPS value unexpected Unexpected NETLINK_LIST_MEMBERSHIPS value: actual 8 != expected 4
run_test:PASS:getsetsockopt 0 nsec
#201 sockopt_sk:FAIL
In net/netlink/af_netlink.c, function netlink_getsockopt(), for NETLINK_LIST_MEMBERSHIPS,
nlk->ngroups equals to 36. Before Commit f4e4534850, the optlen is calculated as
ALIGN(nlk->ngroups / 8, sizeof(u32)) = 4
After that commit, the optlen is
ALIGN(BITS_TO_BYTES(nlk->ngroups), sizeof(u32)) = 8
Fix the test by setting the expected optlen to be 8.
Fixes: f4e4534850 ("net/netlink: fix NETLINK_LIST_MEMBERSHIPS length report")
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230606172202.1606249-1-yhs@fb.com
In the commit 7bb6234095 ("ALSA: hda/realtek: fix speaker, mute/micmute
LEDs not work on a HP platform"), speakers and LEDs are fixed but only 2
CS35L41 amplifiers on SPI bus connected to Realtek codec are enabled. Need
the ALC245_FIXUP_CS35L41_SPI_4_HP_GPIO_LED to get all amplifiers working.
Signed-off-by: Chris Chiu <chris.chiu@canonical.com>
Fixes: 7bb6234095 ("ALSA: hda/realtek: fix speaker, mute/micmute LEDs not work on a HP platform")
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20230606145747.135966-1-chris.chiu@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
When constructing the sim, gpio-sim constructs an array of named lines,
sized based on the largest offset of any named line, and then initializes
that array with the names of all lines, including unnamed hogs with higher
offsets. In doing so it writes NULLs beyond the extent of the array.
Add a check that only named lines are used to initialize the array.
Fixes: cb8c474e79 ("gpio: sim: new testing module")
Signed-off-by: Kent Gibson<warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
A small collection of driver specific fixes, none of them particularly
remarkable or severe.
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Merge tag 'spi-fix-v6.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A small collection of driver specific fixes, none of them particularly
remarkable or severe"
* tag 'spi-fix-v6.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: qup: Request DMA before enabling clocks
spi: mt65xx: make sure operations completed before unloading
spi: lpspi: disable lpspi module irq in DMA mode
A lot of routine driver specific fixes here, nothing in the core though
there are a couple of fixes for the generic cards. There's also a few
new quirks for x86 platforms.
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Merge tag 'asoc-fix-v6.4-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.4
A lot of routine driver specific fixes here, nothing in the core though
there are a couple of fixes for the generic cards. There's also a few
new quirks for x86 platforms.
A single fix addressing another MBZ field being non-zero and non-compliant
resulting in the rejection of certain memory interface transmissions by
the receivers(secure partitions). The issue was addressed before but missed
to address this one field which is part of this change.
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Merge tag 'ffa-fix-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
Arm FF-A fix for v6.4
A single fix addressing another MBZ field being non-zero and non-compliant
resulting in the rejection of certain memory interface transmissions by
the receivers(secure partitions). The issue was addressed before but missed
to address this one field which is part of this change.
* tag 'ffa-fix-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_ffa: Set handle field to zero in memory descriptor
Link: https://lore.kernel.org/r/20230606125720.2816923-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This should use wiphy_lock() now instead of requiring the
RTNL, since __cfg80211_leave() via cfg80211_leave() is now
requiring that lock to be held.
Fixes: a05829a722 ("cfg80211: avoid holding the RTNL when calling the driver")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This should use wiphy_lock() now instead of acquiring the
RTNL, since cfg80211_stop_sched_scan_req() now needs that.
Fixes: a05829a722 ("cfg80211: avoid holding the RTNL when calling the driver")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
- Don't get stuck writing page onto itself under direct I/O.
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Merge tag 'gfs2-v6.4-rc4-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 fix from Andreas Gruenbacher:
- Don't get stuck writing page onto itself under direct I/O
* tag 'gfs2-v6.4-rc4-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Don't get stuck writing page onto itself under direct I/O
Use DMA_RESV_USAGE_BOOKKEEP reservation for buffer objects, except for
command buffers for which we use DMA_RESV_USAGE_WRITE (since VPU can
write to command buffer context save area).
Fixes: 0ec8671837 ("accel/ivpu: Fix S3 system suspend when not idle")
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230413063810.3167511-1-stanislaw.gruszka@linux.intel.com
Highlights:
- Various Microsoft Surface support fixes
- 1 fix for the INT3472 driver
The following is an automated git shortlog grouped by driver:
int3472:
- Avoid crash in unregistering regulator gpio
platform/surface:
- aggregator_tabletsw: Add support for book mode in POS subsystem
- aggregator_tabletsw: Add support for book mode in KIP subsystem
- aggregator: Allow completion work-items to be executed in parallel
- aggregator: Make to_ssam_device_driver() respect constness
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Merge tag 'platform-drivers-x86-v6.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- various Microsoft Surface support fixes
- one fix for the INT3472 driver
* tag 'platform-drivers-x86-v6.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: int3472: Avoid crash in unregistering regulator gpio
platform/surface: aggregator_tabletsw: Add support for book mode in POS subsystem
platform/surface: aggregator_tabletsw: Add support for book mode in KIP subsystem
platform/surface: aggregator: Allow completion work-items to be executed in parallel
platform/surface: aggregator: Make to_ssam_device_driver() respect constness
As described in the commit 111a833dc5 ("firmware: arm_ffa: Set
reserved/MBZ fields to zero in the memory descriptors") some fields in
the memory descriptor have to be zeroed explicitly. The handle field is
one of these, but it was left out from that change, fix this now.
Fixes: 111a833dc5 ("firmware: arm_ffa: Set reserved/MBZ fields to zero in the memory descriptors")
Reported-by: Imre Kis <imre.kis@arm.com>
Signed-off-by: Balint Dobszay <balint.dobszay@arm.com>
Link: https://lore.kernel.org/r/20230601140749.93812-1-balint.dobszay@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
HD-audio core code replaces the kctl->id.index of SPDIF-related
controls after assigning via snd_ctl_add(). This doesn't work any
longer with the new Xarray lookup change. The change of the kctl->id
content has to be done via snd_ctl_rename_id() helper, instead.
Fixes: c27e1efb61 ("ALSA: control: Use xarray for faster lookups")
Cc: <stable@vger.kernel.org>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20230606093855.14685-5-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
GUS driver replaces the kctl->id.index after assigning the kctl via
snd_ctl_add(). This doesn't work any longer with the new Xarray
lookup change. It has to be set before snd_ctl_add() call instead.
Fixes: c27e1efb61 ("ALSA: control: Use xarray for faster lookups")
Cc: <stable@vger.kernel.org>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20230606093855.14685-4-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
cmipci driver replaces the kctl->id.device after assigning the kctl
via snd_ctl_add(). This doesn't work any longer with the new Xarray
lookup change. It has to be set before snd_ctl_add() call instead.
Fixes: c27e1efb61 ("ALSA: control: Use xarray for faster lookups")
Cc: <stable@vger.kernel.org>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20230606093855.14685-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
ymfpci driver replaces the kctl->id.device after assigning the kctl
via snd_ctl_add(). This doesn't work any longer with the new Xarray
lookup change. It has to be set before snd_ctl_add() call instead.
Fixes: c27e1efb61 ("ALSA: control: Use xarray for faster lookups")
Cc: <stable@vger.kernel.org>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20230606093855.14685-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Drivers that use the gen_pool*() family of functions should
select GENERIC_ALLOCATOR to prevent build errors like these:
ld: drivers/accel/ivpu/ivpu_ipc.o: in function `gen_pool_free':
include/linux/genalloc.h:172: undefined reference to `gen_pool_free_owner'
ld: drivers/accel/ivpu/ivpu_ipc.o: in function `gen_pool_alloc_algo':
include/linux/genalloc.h:138: undefined reference to `gen_pool_alloc_algo_owner'
ld: drivers/accel/ivpu/ivpu_ipc.o: in function `gen_pool_free':
include/linux/genalloc.h:172: undefined reference to `gen_pool_free_owner'
ld: drivers/accel/ivpu/ivpu_ipc.o: in function `ivpu_ipc_init':
drivers/accel/ivpu/ivpu_ipc.c:441: undefined reference to `devm_gen_pool_create'
ld: drivers/accel/ivpu/ivpu_ipc.o: in function `gen_pool_add_virt':
include/linux/genalloc.h:104: undefined reference to `gen_pool_add_owner'
Fixes: 5d7422cfb4 ("accel/ivpu: Add IPC driver and JSM messages")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/all/202305221206.1TaugDKP-lkp@intel.com/
Cc: Oded Gabbay <ogabbay@kernel.org>
Cc: dri-devel@lists.freedesktop.org
Cc: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Cc: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Cc: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
Cc: Krystian Pradzynski <krystian.pradzynski@linux.intel.com>
Cc: Jeffrey Hugo <quic_jhugo@quicinc.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230526044519.13441-1-rdunlap@infradead.org
kmemdup() at line 2735 is not duplicating enough memory for
notif->tid_tear_down and notif->station_id. As it only duplicates
612 bytes: up to offsetofend(struct iwl_wowlan_info_notif,
received_beacons), this is the range of [0, 612) bytes.
2735 notif = kmemdup(notif_v1,
2736 offsetofend(struct iwl_wowlan_info_notif,
2737 received_beacons),
2738 GFP_ATOMIC);
which evidently does not cover bytes 612 and 613 for members
tid_tear_down and station_id in struct iwl_wowlan_info_notif.
See below:
$ pahole -C iwl_wowlan_info_notif drivers/net/wireless/intel/iwlwifi/mvm/d3.o
struct iwl_wowlan_info_notif {
struct iwl_wowlan_gtk_status_v3 gtk[2]; /* 0 488 */
/* --- cacheline 7 boundary (448 bytes) was 40 bytes ago --- */
struct iwl_wowlan_igtk_status igtk[2]; /* 488 80 */
/* --- cacheline 8 boundary (512 bytes) was 56 bytes ago --- */
__le64 replay_ctr; /* 568 8 */
/* --- cacheline 9 boundary (576 bytes) --- */
__le16 pattern_number; /* 576 2 */
__le16 reserved1; /* 578 2 */
__le16 qos_seq_ctr[8]; /* 580 16 */
__le32 wakeup_reasons; /* 596 4 */
__le32 num_of_gtk_rekeys; /* 600 4 */
__le32 transmitted_ndps; /* 604 4 */
__le32 received_beacons; /* 608 4 */
u8 tid_tear_down; /* 612 1 */
u8 station_id; /* 613 1 */
u8 reserved2[2]; /* 614 2 */
/* size: 616, cachelines: 10, members: 13 */
/* last cacheline: 40 bytes */
};
Therefore, when the following assignments take place, actually no memory
has been allocated for those objects:
2743 notif->tid_tear_down = notif_v1->tid_tear_down;
2744 notif->station_id = notif_v1->station_id;
Fix this by allocating space for the whole notif object and zero out the
remaining space in memory after member station_id.
This also fixes the following -Warray-bounds issues:
CC drivers/net/wireless/intel/iwlwifi/mvm/d3.o
drivers/net/wireless/intel/iwlwifi/mvm/d3.c: In function ‘iwl_mvm_wait_d3_notif’:
drivers/net/wireless/intel/iwlwifi/mvm/d3.c:2743:30: warning: array subscript ‘struct iwl_wowlan_info_notif[0]’ is partly outside array bounds of ‘unsigned char[612]’ [-Warray-bounds=]
2743 | notif->tid_tear_down = notif_v1->tid_tear_down;
|
from drivers/net/wireless/intel/iwlwifi/mvm/d3.c:7:
In function ‘kmemdup’,
inlined from ‘iwl_mvm_wait_d3_notif’ at drivers/net/wireless/intel/iwlwifi/mvm/d3.c:2735:12:
include/linux/fortify-string.h:765:16: note: object of size 612 allocated by ‘__real_kmemdup’
765 | return __real_kmemdup(p, size, gfp);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/iwlwifi/mvm/d3.c: In function ‘iwl_mvm_wait_d3_notif’:
drivers/net/wireless/intel/iwlwifi/mvm/d3.c:2744:30: warning: array subscript ‘struct iwl_wowlan_info_notif[0]’ is partly outside array bounds of ‘unsigned char[612]’ [-Warray-bounds=]
2744 | notif->station_id = notif_v1->station_id;
| ^~
In function ‘kmemdup’,
inlined from ‘iwl_mvm_wait_d3_notif’ at drivers/net/wireless/intel/iwlwifi/mvm/d3.c:2735:12:
include/linux/fortify-string.h:765:16: note: object of size 612 allocated by ‘__real_kmemdup’
765 | return __real_kmemdup(p, size, gfp);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Link: https://github.com/KSPP/linux/issues/306
Fixes: 905d50ddbc ("wifi: iwlwifi: mvm: support wowlan info notification version 2")
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Acked-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/ZHpGN555FwAKGduH@work
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Currently, whenever an EMA beacon is formed, due to is_template
argument being false from the caller, the switch count is always
decremented once which is wrong.
Also if switch count is equal to profile periodicity, this makes
the switch count to reach till zero which triggers a WARN_ON_ONCE.
[ 261.593915] CPU: 1 PID: 800 Comm: kworker/u8:3 Not tainted 5.4.213 #0
[ 261.616143] Hardware name: Qualcomm Technologies, Inc. IPQ9574
[ 261.622666] Workqueue: phy0 ath12k_get_link_bss_conf [ath12k]
[ 261.629771] pstate: 60400005 (nZCv daif +PAN -UAO)
[ 261.635595] pc : ieee80211_next_txq+0x1ac/0x1b8 [mac80211]
[ 261.640282] lr : ieee80211_beacon_update_cntdwn+0x64/0xb4 [mac80211]
[...]
[ 261.729683] Call trace:
[ 261.734986] ieee80211_next_txq+0x1ac/0x1b8 [mac80211]
[ 261.737156] ieee80211_beacon_cntdwn_is_complete+0xa28/0x1194 [mac80211]
[ 261.742365] ieee80211_beacon_cntdwn_is_complete+0xef4/0x1194 [mac80211]
[ 261.749224] ieee80211_beacon_get_template_ema_list+0x38/0x5c [mac80211]
[ 261.755908] ath12k_get_link_bss_conf+0xf8/0x33b4 [ath12k]
[ 261.762590] ath12k_get_link_bss_conf+0x390/0x33b4 [ath12k]
[ 261.767881] process_one_work+0x194/0x270
[ 261.773346] worker_thread+0x200/0x314
[ 261.777514] kthread+0x140/0x150
[ 261.781158] ret_from_fork+0x10/0x18
Fix this issue by making the is_template argument as true when fetching
the EMA beacons.
Fixes: bd54f3c290 ("wifi: mac80211: generate EMA beacons in AP mode")
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://lore.kernel.org/r/20230531062012.4537-1-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Don't do link address translation for beacons and probe responses,
this leads to reporting multiple scan list entries for the same AP
(one with the MLD address) which just breaks things.
We might need to extend this in the future for some other (action)
frames that aren't MLD addressed.
Fixes: 42fb9148c0 ("wifi: mac80211: do link->MLD address translation on RX")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230604120651.62adead1b43a.Ifc25eed26ebf3b269f60b1ec10060156d0e7ec0d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There were two bugs when creating the non-inheritence
element:
1) 'at_extension' needs to be declared outside the loop,
otherwise the value resets every iteration and we
can never really switch properly
2) 'added' never got set to true, so we always cut off
the extension element again at the end of the function
This shows another issue that we might add a list but no
extension list, but we need to make the extension list a
zero-length one in that case.
Fix all these issues. While at it, add a comment explaining
the trim.
Fixes: 81151ce462 ("wifi: mac80211: support MLO authentication/association with one link")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230604120651.3addaa5c4782.If3a78f9305997ad7ef4ba7ffc17a8234c956f613@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When trying to authenticate, if the AP MLD address isn't
a valid address, mac80211 can throw a warning. Avoid that
by rejecting such addresses.
Fixes: d648c23024 ("wifi: nl80211: support MLO in auth/assoc")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230604120651.89188912bd1d.I8dbc6c8ee0cb766138803eec59508ef4ce477709@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We already check that the right iftype capa exists,
but then don't use it. Assign it to a variable so we
can actually use it, and then do that.
Fixes: bac2fd3d75 ("mac80211: remove use of ieee80211_get_he_sta_cap()")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230604120651.0e908e5c5fdd.Iac142549a6144ac949ebd116b921a59ae5282735@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Move capturing the snapshot context into the image request state
machine, after exclusive lock is ensured to be held for the duration of
dealing with the image request. This is needed to ensure correctness
of fast-diff states (OBJECT_EXISTS vs OBJECT_EXISTS_CLEAN) and object
deltas computed based off of them. Otherwise the object map that is
forked for the snapshot isn't guaranteed to accurately reflect the
contents of the snapshot when the snapshot is taken under I/O. This
breaks differential backup and snapshot-based mirroring use cases with
fast-diff enabled: since some object deltas may be incomplete, the
destination image may get corrupted.
Cc: stable@vger.kernel.org
Link: https://tracker.ceph.com/issues/61472
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
Move RBD_OBJ_FLAG_COPYUP_ENABLED flag setting into the object request
state machine to allow for the snapshot context to be captured in the
image request state machine rather than in rbd_queue_workfn().
Cc: stable@vger.kernel.org
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
The new xarray lookup code requires to know complete kcontrol->id before
snd_ctl_add() call. Reorder the code to make the initialization properly.
Cc: stable@kernel.org # v5.19+
Reported-by: Martin Zidek <zidek@master.cz>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20230606073122.597491-1-perex@perex.cz
Signed-off-by: Takashi Iwai <tiwai@suse.de>
When receiving a connect response we should make sure that the DCID is
within the valid range and that we don't already have another channel
allocated for the same DCID.
Missing checks may violate the specification (BLUETOOTH CORE SPECIFICATION
Version 5.4 | Vol 3, Part A, Page 1046).
Fixes: 40624183c2 ("Bluetooth: L2CAP: Add missing checks for invalid LE DCID")
Signed-off-by: Sungwoo Kim <iam@sung-woo.kim>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
The order of CIS handle array in Set CIG Parameters response shall match
the order of the CIS_ID array in the command (Core v5.3 Vol 4 Part E Sec
7.8.97). We send CIS_IDs mainly in the order of increasing CIS_ID (but
with "last" CIS first if it has fixed CIG_ID). In handling of the
reply, we currently assume this is also the same as the order of
hci_conn in hdev->conn_hash, but that is not true.
Match the correct hci_conn to the correct handle by matching them based
on the CIG+CIS combination. The CIG+CIS combination shall be unique for
ISO_LINK hci_conn at state >= BT_BOUND, which we maintain in
hci_le_set_cig_params.
Fixes: 26afbd826e ("Bluetooth: Add initial implementation of CIS connections")
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Consider existing BOUND & CONNECT state CIS to block CIG removal.
Otherwise, under suitable timing conditions we may attempt to remove CIG
while Create CIS is pending, which fails.
Fixes: 26afbd826e ("Bluetooth: Add initial implementation of CIS connections")
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
L2CAP assumes that the locks conn->chan_lock and chan->lock are
acquired in the order conn->chan_lock, chan->lock to avoid
potential deadlock.
For example, l2sock_shutdown acquires these locks in the order:
mutex_lock(&conn->chan_lock)
l2cap_chan_lock(chan)
However, l2cap_disconnect_req acquires chan->lock in
l2cap_get_chan_by_scid first and then acquires conn->chan_lock
before calling l2cap_chan_del. This means that these locks are
acquired in unexpected order, which leads to potential deadlock:
l2cap_chan_lock(c)
mutex_lock(&conn->chan_lock)
This patch releases chan->lock before acquiring the conn_chan_lock
to avoid the potential deadlock.
Fixes: a2a9339e1c ("Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}")
Signed-off-by: Ying Hsu <yinghsu@chromium.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Since commit 3e4be65eb8 ("Bluetooth: hci_qca: Add poweroff support
during hci down for wcn3990"), the setup callback which registers the
debugfs interface can be called multiple times.
This specifically leads to the following error when powering on the
controller:
debugfs: Directory 'ibs' with parent 'hci0' already present!
Add a driver flag to avoid trying to register the debugfs interface more
than once.
Fixes: 3e4be65eb8 ("Bluetooth: hci_qca: Add poweroff support during hci down for wcn3990")
Cc: stable@vger.kernel.org # 4.20
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Since commit ec6cef9cd9 ("Bluetooth: Fix SMP channel registration for
unconfigured controllers") the debugfs interface for unconfigured
controllers will be created when the controller is configured.
There is however currently nothing preventing a controller from being
configured multiple time (e.g. setting the device address using btmgmt)
which results in failed attempts to register the already registered
debugfs entries:
debugfs: File 'features' in directory 'hci0' already present!
debugfs: File 'manufacturer' in directory 'hci0' already present!
debugfs: File 'hci_version' in directory 'hci0' already present!
...
debugfs: File 'quirk_simultaneous_discovery' in directory 'hci0' already present!
Add a controller flag to avoid trying to register the debugfs interface
more than once.
Fixes: ec6cef9cd9 ("Bluetooth: Fix SMP channel registration for unconfigured controllers")
Cc: stable@vger.kernel.org # 4.0
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
When the HCI_UNREGISTER flag is set, no jobs should be scheduled. Fix
potential race when HCI_UNREGISTER is set after the flag is tested in
hci_cmd_sync_queue.
Fixes: 0b94f2651f ("Bluetooth: hci_sync: Fix queuing commands when HCI_UNREGISTER is set")
Signed-off-by: Zhengping Jiang <jiangzp@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Similar to commit 0f7d9b31ce ("netfilter: nf_tables: fix use-after-free
in nft_set_catchall_destroy()"). We can not access k after kfree_rcu()
call.
Cc: stable@vger.kernel.org
Signed-off-by: Min Li <lm0963hack@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
