------------[ cut here ]------------
WARNING: CPU: 0 PID: 6793 at net/mac80211/tx.c:5041 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5041 [inline]
WARNING: CPU: 0 PID: 6793 at net/mac80211/tx.c:5041 __ieee80211_beacon_get+0x125d/0x1630 net/mac80211/tx.c:5470
Modules linked in:
CPU: 0 UID: 0 PID: 6793 Comm: syz-executor Not tainted 6.15.0-rc4-syzkaller-00256-g95d3481af6dc #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5041 [inline]
RIP: 0010:__ieee80211_beacon_get+0x125d/0x1630 net/mac80211/tx.c:5470
Code: e7 e8 87 95 40 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 78 fe ff ff e8 52 63 e9 f6 90 0f 0b 90 e9 e0 f7 ff ff e8 44 63 e9 f6 90 <0f> 0b 90 e9 38 fb ff ff e8 36 63 e9 f6 48 c7 c7 40 f4 56 8f 4c 89
RSP: 0018:ffffc900000079f8 EFLAGS: 00010246
RAX: ffffffff8ad65d0c RBX: ffffffff8ad64ae6 RCX: ffff888035b2c880
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888035b2c880 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888058156500
R13: dffffc0000000000 R14: ffff8880581569d0 R15: ffff88804f2cb024
FS: 000055557922c500(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f51c13b6700 CR3: 0000000058c50000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5597
ieee80211_beacon_get include/net/mac80211.h:5648 [inline]
mac80211_hwsim_beacon_tx+0x3d2/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2313
__iterate_interfaces+0x2a8/0x590 net/mac80211/util.c:761
ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797
mac80211_hwsim_beacon+0xbb/0x1c0 drivers/net/wireless/virtual/mac80211_hwsim.c:2347
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x529/0xc60 kernel/time/hrtimer.c:1825
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842
handle_softirqs+0x283/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:pick_link+0x535/0xe20 fs/namei.c:1932
Code: c6 e8 4f 52 89 ff 85 ed 0f 85 56 05 00 00 4d 8d b5 58 04 00 00 4c 89 f0 48 c1 e8 03 48 bd 00 00 00 00 00 fc ff df 80 3c 28 00 <74> 08 4c 89 f7 e8 b1 42 eb ff 4d 8b 2e 4d 85 ed 0f 84 9c 00 00 00
RSP: 0018:ffffc9000dd5f708 EFLAGS: 00000246
RAX: 1ffff1100868e738 RBX: ffffc9000dd5f828 RCX: 0000000000000000
RDX: ffff888035b2c880 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8f7ed877 R09: 1ffffffff1efdb0e
R10: dffffc0000000000 R11: fffffbfff1efdb0f R12: 1ffff92001babf8b
R13: ffff888043473568 R14: ffff8880434739c0 R15: 1ffff92001babf05
step_into+0xc5d/0xf30 fs/namei.c:2008
walk_component fs/namei.c:2144 [inline]
link_path_walk+0x756/0xe50 fs/namei.c:2503
path_openat+0x28c/0x3830 fs/namei.c:4035
do_filp_open+0x1fa/0x410 fs/namei.c:4066
do_sys_openat2+0x121/0x1c0 fs/open.c:1429
do_sys_open fs/open.c:1444 [inline]
__do_sys_openat fs/open.c:1460 [inline]
__se_sys_openat fs/open.c:1455 [inline]
__x64_sys_openat+0x138/0x170 fs/open.c:1455
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f51c138d2d0
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 49 94 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 9c 94 02 00 8b 44
RSP: 002b:00007ffe2465f090 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 00007f51c138d2d0
RDX: 0000000000080001 RSI: 00007f51c14122e4 RDI: 00000000ffffff9c
RBP: 00007f51c14122e4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004
R13: 00007ffe2465f130 R14: 000000000001d6a4 R15: 00007ffe2465f6a0
----------------
Code disassembly (best guess), 1 bytes skipped:
0: e8 4f 52 89 ff call 0xff895254
5: 85 ed test %ebp,%ebp
7: 0f 85 56 05 00 00 jne 0x563
d: 4d 8d b5 58 04 00 00 lea 0x458(%r13),%r14
14: 4c 89 f0 mov %r14,%rax
17: 48 c1 e8 03 shr $0x3,%rax
1b: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp
22: fc ff df
25: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1)
* 29: 74 08 je 0x33 <-- trapping instruction
2b: 4c 89 f7 mov %r14,%rdi
2e: e8 b1 42 eb ff call 0xffeb42e4
33: 4d 8b 2e mov (%r14),%r13
36: 4d 85 ed test %r13,%r13
39: 0f 84 9c 00 00 00 je 0xdb