------------[ cut here ]------------
WARNING: CPU: 0 PID: 5403 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
WARNING: CPU: 0 PID: 5403 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x120b/0x15d0 net/mac80211/tx.c:5469
Modules linked in:
CPU: 0 UID: 0 PID: 5403 Comm: syz-executor940 Not tainted 6.14.0-rc5-syzkaller-00016-g48a5eed9ad58 #0
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:5040 [inline]
RIP: 0010:__ieee80211_beacon_get+0x120b/0x15d0 net/mac80211/tx.c:5469
Code: e8 7a a2 40 f6 eb 0d e8 73 a2 40 f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 e3 58 9c f6 45 31 ed e9 4d fe ff ff e8 56 a2 40 f6 90 <0f> 0b 90 e9 f9 f6 ff ff e8 48 a2 40 f6 90 0f 0b 90 e9 e7 f8 ff ff
RSP: 0018:ffffc900000079e0 EFLAGS: 00010246
RAX: ffffffff8b811cca RBX: 0000000000000000 RCX: ffff88801fb22440
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8b8113bf R09: ffffffff8b810dbf
R10: 0000000000000003 R11: ffff88801fb22440 R12: ffff8880449d6500
R13: ffff8880366ef000 R14: ffff8880449d69d0 R15: ffff8880449d4d80
FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb6d647b1b0 CR3: 000000000e938000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5596
ieee80211_beacon_get include/net/mac80211.h:5641 [inline]
mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311
__iterate_interfaces+0x297/0x570 net/mac80211/util.c:760
ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:796
mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345
__run_hrtimer kernel/time/hrtimer.c:1801 [inline]
__hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1865
hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1882
handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
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:trace_lock_release include/trace/events/lock.h:69 [inline]
RIP: 0010:lock_release+0xba/0xa30 kernel/locking/lockdep.c:5862
Code: 83 fe 05 00 00 89 c3 48 89 d8 48 c1 e8 06 48 8d 3c c5 70 f1 3c 90 be 08 00 00 00 e8 d0 22 8c 00 48 0f a3 1d 58 17 a0 0e 73 16 91 43 0a 00 84 c0 75 0d 80 3d d1 26 8a 0e 00 0f 84 fc 05 00 00
RSP: 0018:ffffc9000d1f7340 EFLAGS: 00000257
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff819cda10
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff903cf170
RBP: ffffc9000d1f7468 R08: ffffffff903cf177 R09: 1ffffffff2079e2e
R10: dffffc0000000000 R11: fffffbfff2079e2f R12: 1ffff92001a3ee74
R13: ffffffff81f9f65a R14: ffffea000123e000 R15: dffffc0000000000
__raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
_raw_spin_unlock+0x16/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
filemap_remove_folio+0x19a/0x1f0 mm/filemap.c:260
truncate_inode_folio+0x5d/0x70 mm/truncate.c:162
shmem_undo_range+0x44b/0x1820 mm/shmem.c:1108
shmem_truncate_range mm/shmem.c:1224 [inline]
shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1352
evict+0x4e8/0x9a0 fs/inode.c:796
__dentry_kill+0x20d/0x630 fs/dcache.c:643
dput+0x19f/0x2b0 fs/dcache.c:885
__fput+0x60b/0x9f0 fs/file_table.c:472
task_work_run+0x24f/0x310 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xa2a/0x28e0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
__do_sys_exit_group kernel/exit.c:1098 [inline]
__se_sys_exit_group kernel/exit.c:1096 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb6d63f9669
Code: Unable to access opcode bytes at 0x7fb6d63f963f.
RSP: 002b:00007fff7a94d7e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb6d63f9669
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007fb6d64792d0 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb6d64792d0
R13: 0000000000000000 R14: 00007fb6d647ada0 R15: 00007fb6d63c9dc0
----------------
Code disassembly (best guess):
0: 83 fe 05 cmp $0x5,%esi
3: 00 00 add %al,(%rax)
5: 89 c3 mov %eax,%ebx
7: 48 89 d8 mov %rbx,%rax
a: 48 c1 e8 06 shr $0x6,%rax
e: 48 8d 3c c5 70 f1 3c lea -0x6fc30e90(,%rax,8),%rdi
15: 90
16: be 08 00 00 00 mov $0x8,%esi
1b: e8 d0 22 8c 00 call 0x8c22f0
20: 48 0f a3 1d 58 17 a0 bt %rbx,0xea01758(%rip) # 0xea01780
27: 0e
28: 73 16 jae 0x40
* 2a: e8 91 43 0a 00 call 0xa43c0 <-- trapping instruction
2f: 84 c0 test %al,%al
31: 75 0d jne 0x40
33: 80 3d d1 26 8a 0e 00 cmpb $0x0,0xe8a26d1(%rip) # 0xe8a270b
3a: 0f 84 fc 05 00 00 je 0x63c