------------[ cut here ]------------ WARNING: CPU: 1 PID: 4442 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline] WARNING: CPU: 1 PID: 4442 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265 Modules linked in: CPU: 1 PID: 4442 Comm: kworker/1:13 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Workqueue: events_power_efficient wg_ratelimiter_gc_entries RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline] RIP: 0010:__ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265 Code: ff ff ff e8 50 2c eb f7 0f 0b 48 8b 7c 24 20 e8 34 6c 7f fe e9 dd e9 ff ff e8 3a 2c eb f7 0f 0b e9 f1 ee ff ff e8 2e 2c eb f7 <0f> 0b e9 61 f2 ff ff e8 22 2c eb f7 48 c7 c7 f0 11 da 8d 4c 89 f6 RSP: 0018:ffffc900001e08a0 EFLAGS: 00010246 RAX: ffffffff8995b3a2 RBX: 0000000000000000 RCX: ffff888079529dc0 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900001e0aa8 R08: ffff888079529dc0 R09: 0000000000000003 R10: 0000000000000007 R11: 0000000000000100 R12: 1ffff9200003c12c R13: dffffc0000000000 R14: ffff888068f36258 R15: ffff888079e79c00 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3c093a CR3: 00000000543ef000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0x5b/0x4d0 net/mac80211/tx.c:5352 ieee80211_beacon_get include/net/mac80211.h:5264 [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+0x554/0xd60 kernel/time/hrtimer.c:1811 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 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:kasan_check_range+0x1ab/0x290 mm/kasan/generic.c:-1 Code: 4d 89 d6 4d 8d 56 07 4d 85 f6 4d 0f 49 d6 49 83 e2 f8 4d 29 d6 74 12 41 80 39 00 0f 85 a0 00 00 00 49 ff c1 49 ff ce 75 ee 5b <41> 5e 41 5f c3 84 db 75 61 f7 c3 00 ff 00 00 75 5e f7 c3 00 00 ff RSP: 0018:ffffc90004dffa88 EFLAGS: 00000256 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff81630269 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8dff0e28 RBP: ffffc90004dffbc0 R08: dffffc0000000000 R09: fffffbfff1bfe1c6 R10: fffffbfff1bfe1c6 R11: 1ffffffff1bfe1c5 R12: 0000000000000001 R13: 1ffff920009bff60 R14: 0000000000000001 R15: dffffc0000000001 instrument_atomic_read include/linux/instrumented.h:72 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] cpumask_test_cpu include/linux/cpumask.h:444 [inline] cpu_online include/linux/cpumask.h:1030 [inline] trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0xd9/0x490 kernel/locking/lockdep.c:5633 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] wg_ratelimiter_gc_entries+0x59/0x450 drivers/net/wireguard/ratelimiter.c:63 process_one_work+0x898/0x1160 kernel/workqueue.c:2292 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 ---------------- Code disassembly (best guess): 0: 4d 89 d6 mov %r10,%r14 3: 4d 8d 56 07 lea 0x7(%r14),%r10 7: 4d 85 f6 test %r14,%r14 a: 4d 0f 49 d6 cmovns %r14,%r10 e: 49 83 e2 f8 and $0xfffffffffffffff8,%r10 12: 4d 29 d6 sub %r10,%r14 15: 74 12 je 0x29 17: 41 80 39 00 cmpb $0x0,(%r9) 1b: 0f 85 a0 00 00 00 jne 0xc1 21: 49 ff c1 inc %r9 24: 49 ff ce dec %r14 27: 75 ee jne 0x17 29: 5b pop %rbx * 2a: 41 5e pop %r14 <-- trapping instruction 2c: 41 5f pop %r15 2e: c3 ret 2f: 84 db test %bl,%bl 31: 75 61 jne 0x94 33: f7 c3 00 ff 00 00 test $0xff00,%ebx 39: 75 5e jne 0x99 3b: f7 .byte 0xf7 3c: c3 ret 3d: 00 00 add %al,(%rax) 3f: ff .byte 0xff