------------[ cut here ]------------
WARNING: CPU: 1 PID: 7658 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
WARNING: CPU: 1 PID: 7658 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Modules linked in:
CPU: 1 PID: 7658 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
RIP: 0010:__ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Code: f8 0f 0b e9 f1 fa ff ff e8 51 b6 3a f8 0f 0b 4c 8b 74 24 08 e9 36 fe ff ff e8 40 b6 3a f8 0f 0b e9 3c ef ff ff e8 34 b6 3a f8 <0f> 0b e9 b8 f2 ff ff e8 48 d9 6b 00 44 89 e1 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90000dd08c0 EFLAGS: 00010246
RAX: ffffffff893d147c RBX: ffff888063d28c80 RCX: ffff88801e548000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0ae8 R08: ffff88801e548000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888063aa6400
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920001ba128
FS: 00007f5cfa5fc880(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5cf9ca5000 CR3: 0000000068076000 CR4: 00000000003506e0
Call Trace:
ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5202
ieee80211_beacon_get include/net/mac80211.h:4983 [inline]
mac80211_hwsim_beacon_tx+0xf4/0x920 drivers/net/wireless/mac80211_hwsim.c:1812
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:829
mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
__run_hrtimer kernel/time/hrtimer.c:1690 [inline]
__hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1754
hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1771
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
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:debug_spin_unlock kernel/locking/spinlock_debug.c:104 [inline]
RIP: 0010:do_raw_spin_unlock+0xcd/0x230 kernel/locking/spinlock_debug.c:140
Code: 84 c0 0f 85 3e 01 00 00 41 8b 07 65 8b 0d 43 c6 a4 7e 39 c8 0f 85 d0 00 00 00 43 80 7c 25 00 00 74 08 4c 89 f7 e8 33 e2 5e 00 <49> c7 06 ff ff ff ff 42 0f b6 44 25 00 84 c0 0f 85 25 01 00 00 41
RSP: 0018:ffffc900040b7cc8 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff888028f2b878 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888028f2b878
RBP: 1ffff110051e5710 R08: dffffc0000000000 R09: ffffed10051e5710
R10: ffffed10051e5710 R11: 1ffff110051e570f R12: dffffc0000000000
R13: 1ffff110051e5711 R14: ffff888028f2b888 R15: ffff888028f2b880
__raw_spin_unlock include/linux/spinlock_api_smp.h:151 [inline]
_raw_spin_unlock+0x1a/0x40 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:403 [inline]
browse_rb mm/mmap.c:363 [inline]
validate_mm+0x4e2/0x950 mm/mmap.c:423
remove_vma_list mm/mmap.c:2631 [inline]
__do_munmap+0xcc4/0xdc0 mm/mmap.c:2902
__vm_munmap+0x137/0x230 mm/mmap.c:2952
__do_sys_munmap mm/mmap.c:2978 [inline]
__se_sys_munmap mm/mmap.c:2974 [inline]
__x64_sys_munmap+0x67/0x70 mm/mmap.c:2974
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5cfa761097
Code: 73 01 c3 48 8b 0d 61 2d 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 31 2d 0d 00 f7 d8 64 89 01 48
RSP: 002b:00007fff3b05a8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
RAX: ffffffffffffffda RBX: 00005600c1e54430 RCX: 00007f5cfa761097
RDX: 00005600c1e50b68 RSI: 0000000000000200 RDI: 00007f5cf9caa000
RBP: 0000000000000009 R08: 00005600c1e4a620 R09: 0000000000000003
R10: 0000000000000040 R11: 0000000000000246 R12: 00005600c1e490b0
R13: 00007f5cfae4039c R14: 0000000000001200 R15: 0000000000000009
----------------
Code disassembly (best guess):
0: 84 c0 test %al,%al
2: 0f 85 3e 01 00 00 jne 0x146
8: 41 8b 07 mov (%r15),%eax
b: 65 8b 0d 43 c6 a4 7e mov %gs:0x7ea4c643(%rip),%ecx # 0x7ea4c655
12: 39 c8 cmp %ecx,%eax
14: 0f 85 d0 00 00 00 jne 0xea
1a: 43 80 7c 25 00 00 cmpb $0x0,0x0(%r13,%r12,1)
20: 74 08 je 0x2a
22: 4c 89 f7 mov %r14,%rdi
25: e8 33 e2 5e 00 call 0x5ee25d
* 2a: 49 c7 06 ff ff ff ff movq $0xffffffffffffffff,(%r14) <-- trapping instruction
31: 42 0f b6 44 25 00 movzbl 0x0(%rbp,%r12,1),%eax
37: 84 c0 test %al,%al
39: 0f 85 25 01 00 00 jne 0x164
3f: 41 rex.B