WARNING in __ieee80211_beacon_get

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 13d2ce42 Linux 4.19.163
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=166fec2b500000
kernel config: https://syzkaller.appspot.com/x/.config?x=fac7c3360835a4e0
dashboard link: https://syzkaller.appspot.com/bug?extid=8e6e002c74d1927edaf5
compiler: gcc (GCC) 10.1.0-syz 20200507

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+8e6e00...@syzkaller.appspotmail.com

RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000417d91
RDX: 00007f22dae1fad0 RSI: 0000000000000002 RDI: 00007f22dae1fad0
RBP: 0000000000000000 R08: 00007f22dae1fac8 R09: 0000000000000000
R10: 00007f22dae1facc R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000004 R14: 0000000000000004 R15: 00000000200002d0
WARNING: CPU: 0 PID: 16862 at net/mac80211/tx.c:4134 __ieee80211_csa_update_counter net/mac80211/tx.c:4134 [inline]
WARNING: CPU: 0 PID: 16862 at net/mac80211/tx.c:4134 __ieee80211_csa_update_counter net/mac80211/tx.c:4129 [inline]
WARNING: CPU: 0 PID: 16862 at net/mac80211/tx.c:4134 __ieee80211_beacon_get+0x1678/0x1a30 net/mac80211/tx.c:4327
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 16862 Comm: syz-executor.0 Not tainted 4.19.163-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
panic+0x26a/0x50e kernel/panic.c:186
__warn.cold+0x20/0x61 kernel/panic.c:541
report_bug+0x262/0x2b0 lib/bug.c:186
fixup_bug arch/x86/kernel/traps.c:178 [inline]
fixup_bug arch/x86/kernel/traps.c:173 [inline]
do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:__ieee80211_csa_update_counter net/mac80211/tx.c:4134 [inline]
RIP: 0010:__ieee80211_csa_update_counter net/mac80211/tx.c:4129 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1678/0x1a30 net/mac80211/tx.c:4327
Code: 85 70 03 00 00 41 0f b6 45 24 31 ff 44 8d 60 ff 45 88 65 24 44 89 e6 e8 d6 8f a2 f9 45 84 e4 0f 85 4f f5 ff ff e8 98 8e a2 f9 <0f> 0b e9 43 f5 ff ff e8 8c 8e a2 f9 e8 e7 5d 90 f9 31 ff 41 89 c4
RSP: 0018:ffff8880ba007c50 EFLAGS: 00010206
RAX: ffff888051208100 RBX: ffff888047d96d10 RCX: ffffffff87c2416a
RDX: 0000000000000100 RSI: ffffffff87c24178 RDI: 0000000000000001
RBP: ffff88804f5a1520 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880aa5fb200 R14: 0000000000000000 R15: ffff8880ba007d98
ieee80211_beacon_get_tim+0x88/0x890 net/mac80211/tx.c:4443
ieee80211_beacon_get include/net/mac80211.h:4484 [inline]
mac80211_hwsim_beacon_tx+0xff/0x680 drivers/net/wireless/mac80211_hwsim.c:1577
__iterate_interfaces+0x2e1/0x4a0 net/mac80211/util.c:614
ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:650
mac80211_hwsim_beacon+0xc9/0x190 drivers/net/wireless/mac80211_hwsim.c:1615
__tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x26c/0x9a0 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
__rhashtable_remove_fast_one include/linux/rhashtable.h:932 [inline]
__rhashtable_remove_fast include/linux/rhashtable.h:962 [inline]
rhashtable_remove_fast include/linux/rhashtable.h:991 [inline]
netlink_remove net/netlink/af_netlink.c:612 [inline]
netlink_release+0x5e6/0x17b0 net/netlink/af_netlink.c:754
__sock_release+0xcd/0x2a0 net/socket.c:579
sock_close+0x15/0x20 net/socket.c:1140
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x417bf1
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 a4 1a 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007fff903f90a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000417bf1
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000005
RBP: 0000000000000001 R08: 000000000000072f R09: 00000000622ee733
R10: 00007fff903f9180 R11: 0000000000000293 R12: 000000000119ca00
R13: 000000000119ca00 R14: 00000000000003e8 R15: 000000000119c0dc
Kernel Offset: disabled
Rebooting in 86400 seconds..


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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.