------------[ cut here ]------------
WARNING: CPU: 1 PID: 3544 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 1 PID: 3544 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 1 PID: 3544 Comm: kworker/u4:12 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Workqueue: phy11 ieee80211_csa_finalize_work
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Code: 24 4c 89 e7 e8 ce 2c c2 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 09 73 84 f7 0f 0b e9 f6 f7 ff ff e8 fd 72 84 f7 <0f> 0b e9 48 fb ff ff e8 f1 72 84 f7 48 c7 c7 60 52 64 8e 4c 89 e6
RSP: 0018:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff8a02a213 RBX: ffffffff8a029016 RCX: ffff88802e540000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802e540000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805e04e3c0
R13: dffffc0000000000 R14: ffff88805e04e8b0 R15: ffff88801f77e424
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5a8b5e82f8 CR3: 0000000065401000 CR4: 00000000003526e0
Call Trace:
ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5569
ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:766
ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295
__run_hrtimer kernel/time/hrtimer.c:1750 [inline]
__hrtimer_run_queues+0x52a/0xc40 kernel/time/hrtimer.c:1814
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831
handle_softirqs+0x280/0x820 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:console_flush_all+0x8b1/0xd20 arch/x86/include/asm/irqflags.h:-1
Code: ed 01 00 00 e8 50 84 1b 00 4d 85 ff 48 8b 5c 24 38 75 07 e8 41 84 1b 00 eb 06 e8 3a 84 1b 00 fb 49 bf 00 00 00 00 00 fc ff df <48> 8b 44 24 58 42 0f b6 04 38 84 c0 0f 85 2f 02 00 00 80 3b 01 0f
RSP: 0018:ffffc9000cde7420 EFLAGS: 00000293
RAX: ffffffff816b90d6 RBX: ffffc9000cde75bf RCX: ffff88802e540000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000cde7590 R08: ffffffff911bf507 R09: 1ffffffff2237ea0
R10: dffffc0000000000 R11: fffffbfff2237ea1 R12: ffffffff8d8b7d60
R13: 1ffffffff19f96f8 R14: ffffffff8d8b7db8 R15: dffffc0000000000
console_unlock+0xad/0x350 kernel/printk/printk.c:3069
vprintk_emit+0x497/0x610 kernel/printk/printk.c:2341
_printk+0xde/0x130 kernel/printk/printk.c:2366
__report_bug lib/bug.c:195 [inline]
report_bug+0x34e/0x4f0 lib/bug.c:219
handle_bug+0xcf/0x120 arch/x86/kernel/traps.c:310
exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:345
asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:606
RIP: 0010:ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:92 [inline]
RIP: 0010:ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1422 [inline]
RIP: 0010:ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1638
Code: 48 89 df e8 9a f6 d7 f7 e9 dc fc ff ff e8 20 c7 7f f7 eb 24 e8 19 c7 7f f7 c7 04 24 f4 ff ff ff e9 e4 f5 ff ff e8 08 c7 7f f7 <0f> 0b 0f 0b e9 cf f5 ff ff e8 fa c6 7f f7 48 8b 7c 24 08 4c 8b 7c
RSP: 0018:ffffc9000cde79c0 EFLAGS: 00010293
RAX: ffffffff8a074a0e RBX: 0000000000000001 RCX: ffff88802e540000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff88805e04d5af R09: 1ffff1100bc09ab5
R10: dffffc0000000000 R11: ffffed100bc09ab6 R12: 0000000000000001
R13: ffff88805e04e5d9 R14: ffff888075d3ac70 R15: ffff888075d3ace8
ieee80211_link_use_reserved_context+0x383/0x5c0 net/mac80211/chan.c:1927
__ieee80211_csa_finalize net/mac80211/cfg.c:3669 [inline]
ieee80211_csa_finalize+0x5a6/0xf20 net/mac80211/cfg.c:3708
ieee80211_csa_finalize_work+0xf6/0x140 net/mac80211/cfg.c:3733
process_one_work kernel/workqueue.c:2634 [inline]
process_scheduled_works+0xa5d/0x15d0 kernel/workqueue.c:2711
worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
----------------
Code disassembly (best guess):
0: ed in (%dx),%eax
1: 01 00 add %eax,(%rax)
3: 00 e8 add %ch,%al
5: 50 push %rax
6: 84 1b test %bl,(%rbx)
8: 00 4d 85 add %cl,-0x7b(%rbp)
b: ff 48 8b decl -0x75(%rax)
e: 5c pop %rsp
f: 24 38 and $0x38,%al
11: 75 07 jne 0x1a
13: e8 41 84 1b 00 call 0x1b8459
18: eb 06 jmp 0x20
1a: e8 3a 84 1b 00 call 0x1b8459
1f: fb sti
20: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15
27: fc ff df
* 2a: 48 8b 44 24 58 mov 0x58(%rsp),%rax <-- trapping instruction
2f: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax
34: 84 c0 test %al,%al
36: 0f 85 2f 02 00 00 jne 0x26b
3c: 80 3b 01 cmpb $0x1,(%rbx)
3f: 0f .byte 0xf