------------[ cut here ]------------
WARNING: CPU: 1 PID: 6870 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Modules linked in:
CPU: 1 PID: 6870 Comm: syz.0.770 Not tainted 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline]
RIP: 0010:__ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Code: ff e8 17 34 b5 f7 0f 0b e9 4b fa ff ff e8 0b 34 b5 f7 0f 0b e9 3b fe ff ff e8 ff 33 b5 f7 0f 0b e9 06 ee ff ff e8 f3 33 b5 f7 <0f> 0b e9 91 f0 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 2d ea
RSP: 0018:ffffc90000dd0840 EFLAGS: 00010246
RAX: ffffffff89cb3fed RBX: 0000000000000000 RCX: ffff88807f525940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0a70 R08: ffffffff89cb3078 R09: ffffffff89cb2a4b
R10: 0000000000000003 R11: ffff88807f525940 R12: dffffc0000000000
R13: ffff88806185cc80 R14: ffff88806185e298 R15: 1ffff920001ba118
FS: 00007fb4d589d6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000203ae030 CR3: 00000000243cb000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0xb7/0x950 net/mac80211/tx.c:5194
ieee80211_beacon_get include/net/mac80211.h:4981 [inline]
mac80211_hwsim_beacon_tx+0xe2/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1812
__iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829
mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
__run_hrtimer kernel/time/hrtimer.c:1688 [inline]
__hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:106 [inline]
RIP: 0010:lock_is_held_type+0x62/0x180 kernel/locking/lockdep.c:5662
Code: 85 f1 00 00 00 65 4c 8b 2d 4b 6e ce 75 41 83 bd ec 0a 00 00 00 0f 85 db 00 00 00 41 89 f6 49 89 ff 48 c7 04 24 00 00 00 00 9c <8f> 04 24 4c 8b 24 24 fa 48 c7 c7 80 38 8b 8a e8 0a 12 00 00 65 ff
RSP: 0018:ffffc90003237430 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88807f525940
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8c91fcc0
RBP: 00000000ffffffff R08: dffffc0000000000 R09: ffffc90003237660
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88807f525940 R14: 00000000ffffffff R15: ffffffff8c91fcc0
lock_is_held include/linux/lockdep.h:287 [inline]
___might_sleep+0xa2/0x6a0 kernel/sched/core.c:9602
__mutex_lock_common+0xd4/0x25a0 kernel/locking/mutex.c:573
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
__unix_dgram_recvmsg+0x24d/0x1260 net/unix/af_unix.c:2301
____sys_recvmsg+0x286/0x530
___sys_recvmsg+0x1ec/0x690 net/socket.c:2697
do_recvmmsg+0x36f/0x8f0 net/socket.c:2791
__sys_recvmmsg net/socket.c:2870 [inline]
__do_sys_recvmmsg net/socket.c:2893 [inline]
__se_sys_recvmmsg net/socket.c:2886 [inline]
__x64_sys_recvmmsg+0x195/0x240 net/socket.c:2886
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb4d7425719
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb4d589d038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fb4d75dcf80 RCX: 00007fb4d7425719
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fb4d749832e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb4d75dcf80 R15: 00007fff9c4f12b8
----------------
Code disassembly (best guess):
0: 85 f1 test %esi,%ecx
2: 00 00 add %al,(%rax)
4: 00 65 4c add %ah,0x4c(%rbp)
7: 8b 2d 4b 6e ce 75 mov 0x75ce6e4b(%rip),%ebp # 0x75ce6e58
d: 41 83 bd ec 0a 00 00 cmpl $0x0,0xaec(%r13)
14: 00
15: 0f 85 db 00 00 00 jne 0xf6
1b: 41 89 f6 mov %esi,%r14d
1e: 49 89 ff mov %rdi,%r15
21: 48 c7 04 24 00 00 00 movq $0x0,(%rsp)
28: 00
29: 9c pushf
* 2a: 8f 04 24 pop (%rsp) <-- trapping instruction
2d: 4c 8b 24 24 mov (%rsp),%r12
31: fa cli
32: 48 c7 c7 80 38 8b 8a mov $0xffffffff8a8b3880,%rdi
39: e8 0a 12 00 00 call 0x1248
3e: 65 gs
3f: ff .byte 0xff