------------[ cut here ]------------
WARNING: CPU: 1 PID: 7066 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 1 PID: 7066 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5345
Modules linked in:
CPU: 1 PID: 7066 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5345
Code: 24 4c 89 e7 e8 7e 06 0a f8 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 79 66 d1 f7 0f 0b e9 f6 f7 ff ff e8 6d 66 d1 f7 <0f> 0b e9 48 fb ff ff e8 61 66 d1 f7 48 c7 c7 50 f1 fa 8d 4c 89 e6
RSP: 0000:ffffc900001e0a30 EFLAGS: 00010246
RAX: ffffffff89b10ee3 RBX: ffffffff89b0fce6 RCX: ffff88801f2b1dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801f2b1dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff8880557ae228
R13: dffffc0000000000 R14: ffff8880557ae760 R15: ffff888027e8f824
FS: 00005555714bc500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555714bc4e8 CR3: 000000005cbce000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5472
ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
__run_hrtimer kernel/time/hrtimer.c:1747 [inline]
__hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1811
hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:lock_release+0x5ab/0x920 kernel/locking/lockdep.c:5686
Code: 00 00 00 f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 2f 04 f8 75 70 f7 44 24 50 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 2f 00 00 00 00 43 c7 44 2f 08 00 00 00 00 65 48 8b 04 25
RSP: 0000:ffffc90003c17a80 EFLAGS: 00000206
RAX: 0000000000000001 RBX: af0e42aa79a570cf RCX: 778f0b6542238500
RDX: 0000000000000001 RSI: ffffffff8a8c22a0 RDI: ffffffff8adf13a0
RBP: ffffc90003c17b90 R08: ffffffff8e1ff42f R09: 1ffffffff1c3fe85
R10: dffffc0000000000 R11: fffffbfff1c3fe86 R12: ffff88801f2b28c8
R13: dffffc0000000000 R14: ffff88801f2b2890 R15: 1ffff92000782f5c
__raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
_raw_spin_unlock+0x12/0x40 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
wp_page_reuse+0x374/0x670 mm/memory.c:3107
do_wp_page+0x807/0x1680 mm/memory.c:-1
handle_pte_fault mm/memory.c:5047 [inline]
__handle_mm_fault mm/memory.c:5171 [inline]
handle_mm_fault+0x1d19/0x3ee0 mm/memory.c:5292
do_user_addr_fault+0x51f/0xb10 arch/x86/mm/fault.c:1338
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f04a7dca057
Code: 44 00 00 48 83 ec 08 48 89 fa 48 89 f1 31 ff 31 f6 e8 7d 04 02 00 85 c0 75 09 48 83 c4 08 c3 0f 1f 40 00 48 c7 c2 e8 ff ff ff <64> 89 02 b8 ff ff ff ff eb e6 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
RSP: 002b:00007ffcdcf8a3e0 EFLAGS: 00010202
RAX: 0000000000000004 RBX: 00000000000000fb RCX: 00005555714bc808
RDX: ffffffffffffffe8 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffcdcf8a45c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000001388
R13: 00000000000927c0 R14: 0000000000083714 R15: 00007ffcdcf8a4b0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 f7 add %dh,%bh
4: 84 24 80 test %ah,(%rax,%rax,4)
7: 00 00 add %al,(%rax)
9: 00 00 add %al,(%rax)
b: 02 00 add (%rax),%al
d: 00 43 c6 add %al,-0x3a(%rbx)
10: 44 2f rex.R (bad)
12: 04 f8 add $0xf8,%al
14: 75 70 jne 0x86
16: f7 44 24 50 00 02 00 testl $0x200,0x50(%rsp)
1d: 00
1e: 74 01 je 0x21
20: fb sti
21: 48 c7 44 24 60 0e 36 movq $0x45e0360e,0x60(%rsp)
28: e0 45
* 2a: 4b c7 04 2f 00 00 00 movq $0x0,(%r15,%r13,1) <-- trapping instruction
31: 00
32: 43 c7 44 2f 08 00 00 movl $0x0,0x8(%r15,%r13,1)
39: 00 00
3b: 65 gs
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 04 25 add $0x25,%al