------------[ cut here ]------------
WARNING: CPU: 1 PID: 15995 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
WARNING: CPU: 1 PID: 15995 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Modules linked in:
CPU: 1 PID: 15995 Comm: syz.2.2842 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
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 6c 3a f8 0f 0b 4c 8b 74 24 08 e9 36 fe ff ff e8 40 6c 3a f8 0f 0b e9 3c ef ff ff e8 34 6c 3a f8 <0f> 0b e9 b8 f2 ff ff e8 68 ef 6b 00 44 89 e1 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90000dd08c0 EFLAGS: 00010246
RAX: ffffffff893d5e5c RBX: ffff88805b05cc80 RCX: ffff88807c849dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0ae8 R08: ffff88807c849dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff8880617bfc00
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920001ba128
FS: 000055555f09a500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555f0ad588 CR3: 00000000193d8000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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:1685 [inline]
__hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
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:trace_lock_release include/trace/events/lock.h:58 [inline]
RIP: 0010:lock_release+0xb3/0x870 kernel/locking/lockdep.c:5634
Code: 83 fb 08 0f 83 2e 05 00 00 89 d8 c1 e8 06 48 8d 3c c5 68 9a 69 8d be 08 00 00 00 e8 47 b9 5f 00 89 d8 48 0f a3 05 b5 1f 0d 0c <73> 0d e8 f6 34 07 00 84 c0 0f 84 34 05 00 00 48 c7 c0 04 ce 69 8d
RSP: 0018:ffffc900049577a0 EFLAGS: 00000257
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff815c7aa9
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8d699a68
RBP: ffffc900049578b0 R08: dffffc0000000000 R09: fffffbfff1ad334e
R10: fffffbfff1ad334e R11: 1ffffffff1ad334d R12: 1ffff9200092af1c
R13: dffffc0000000000 R14: ffff88802abcc054 R15: 1ffff9200092af00
css_put include/linux/cgroup.h:405 [inline]
obj_cgroup_charge_pages+0xbc/0x190 mm/memcontrol.c:3038
__memcg_kmem_charge_page+0x2fe/0x380 mm/memcontrol.c:3058
memcg_kmem_charge_page include/linux/memcontrol.h:1696 [inline]
memcg_charge_kernel_stack kernel/fork.c:417 [inline]
dup_task_struct+0x5b3/0xb30 kernel/fork.c:903
copy_process+0x5b3/0x3e00 kernel/fork.c:2121
kernel_clone+0x219/0x930 kernel/fork.c:2679
__do_sys_clone3 kernel/fork.c:2954 [inline]
__se_sys_clone3+0x2d5/0x360 kernel/fork.c:2938
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: 0033:0x7fe8a310d709
Code: d6 08 00 48 8d 3d bc d6 08 00 e8 02 29 f6 ff 66 90 b8 ea ff ff ff 48 85 ff 74 2c 48 85 d2 74 27 49 89 c8 b8 b3 01 00 00 0f 05 <48> 85 c0 7c 18 74 01 c3 31 ed 48 83 e4 f0 4c 89 c7 ff d2 48 89 c7
RSP: 002b:00007ffc54b3ea68 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fe8a308fb10 RCX: 00007fe8a310d709
RDX: 00007fe8a308fb10 RSI: 0000000000000058 RDI: 00007ffc54b3eab0
RBP: 00007fe8a13406c0 R08: 00007fe8a13406c0 R09: 00007ffc54b3eb97
R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007ffc54b3eab0 R15: 00007ffc54b3eb98
----------------
Code disassembly (best guess):
0: 83 fb 08 cmp $0x8,%ebx
3: 0f 83 2e 05 00 00 jae 0x537
9: 89 d8 mov %ebx,%eax
b: c1 e8 06 shr $0x6,%eax
e: 48 8d 3c c5 68 9a 69 lea -0x72966598(,%rax,8),%rdi
15: 8d
16: be 08 00 00 00 mov $0x8,%esi
1b: e8 47 b9 5f 00 call 0x5fb967
20: 89 d8 mov %ebx,%eax
22: 48 0f a3 05 b5 1f 0d bt %rax,0xc0d1fb5(%rip) # 0xc0d1fdf
29: 0c
* 2a: 73 0d jae 0x39 <-- trapping instruction
2c: e8 f6 34 07 00 call 0x73527
31: 84 c0 test %al,%al
33: 0f 84 34 05 00 00 je 0x56d
39: 48 c7 c0 04 ce 69 8d mov $0xffffffff8d69ce04,%rax