------------[ cut here ]------------ WARNING: CPU: 1 PID: 14831 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] WARNING: CPU: 1 PID: 14831 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469 Modules linked in: CPU: 1 UID: 0 PID: 14831 Comm: syz.0.1535 Not tainted 6.13.0-rc3-syzkaller-00193-ge9b8ffafd20a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] RIP: 0010:__ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469 Code: e8 53 f9 63 f6 eb 0d e8 4c f9 63 f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 8c 30 bc f6 45 31 ed e9 4c fe ff ff e8 2f f9 63 f6 90 <0f> 0b 90 e9 00 f7 ff ff e8 21 f9 63 f6 90 0f 0b 90 e9 e8 f8 ff ff RSP: 0000:ffffc90000a189e0 EFLAGS: 00010246 RAX: ffffffff8b3b7a71 RBX: 0000000000000000 RCX: ffff888035421e00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff8b3b716d R09: ffffffff8b3b6b70 R10: 0000000000000003 R11: ffff888035421e00 R12: ffff88807bdb2500 R13: ffff88805b80c000 R14: ffff88807bdb29d0 R15: ffff88807bdb0d80 FS: 0000555567acf500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d20dff8 CR3: 0000000048314000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 00000000872c9164 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5596 ieee80211_beacon_get include/net/mac80211.h:5635 [inline] mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x297/0x570 net/mac80211/util.c:758 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:794 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5243 Code: c9 50 e8 59 0c 0c 00 48 83 c4 08 4c 89 f7 e8 ed 39 00 00 e9 de 04 00 00 4c 89 f7 e8 50 d8 54 0a e8 0b 8c 38 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc RSP: 0000:ffffc9000510fc88 EFLAGS: 00000282 RAX: cd8df33828b54200 RBX: ffff888035421e00 RCX: ffffffff9a377903 RDX: dffffc0000000000 RSI: ffffffff8c0a9760 RDI: ffffffff8c5edb60 RBP: ffffc9000510fcd0 R08: ffffffff901852f7 R09: 1ffffffff2030a5e R10: dffffc0000000000 R11: fffffbfff2030a5f R12: 1ffff110170e7eac R13: dffffc0000000000 R14: ffff8880b863e740 R15: ffff8880b873f560 context_switch kernel/sched/core.c:5372 [inline] __schedule+0x1803/0x4be0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 exit_to_user_mode_loop kernel/entry/common.c:102 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] irqentry_exit_to_user_mode+0x5e/0x250 kernel/entry/common.c:231 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707 RIP: 0033:0x7f943fe5f4f0 Code: 66 2e 0f 1f 84 00 00 00 00 00 48 8b 70 f8 48 83 e8 08 48 39 f2 72 f3 48 39 c3 73 3e 48 89 33 48 83 c3 08 48 8b 70 f8 48 89 08 <48> 8b 0b 49 8b 14 24 eb bf 48 39 f2 72 97 48 39 f0 73 46 49 89 34 RSP: 002b:00007ffd10274ec0 EFLAGS: 00000206 RAX: 00007f943f902900 RBX: 00007f943f6677d8 RCX: ffffffff8a5c5d00 RDX: ffffffff84714834 RSI: ffffffff84714660 RDI: 00007f943f9ff000 RBP: 00007f943f5ff010 R08: 00007f943f7ff000 R09: 00007f9440162000 R10: 00007f943f5ff008 R11: 0000000000000007 R12: 00007f943f5ff008 R13: 0000000000000023 R14: 0000000000000032 R15: 00007f943f5ff008 ---------------- Code disassembly (best guess): 0: c9 leave 1: 50 push %rax 2: e8 59 0c 0c 00 call 0xc0c60 7: 48 83 c4 08 add $0x8,%rsp b: 4c 89 f7 mov %r14,%rdi e: e8 ed 39 00 00 call 0x3a00 13: e9 de 04 00 00 jmp 0x4f6 18: 4c 89 f7 mov %r14,%rdi 1b: e8 50 d8 54 0a call 0xa54d870 20: e8 0b 8c 38 00 call 0x388c30 25: fb sti 26: 48 8b 5d c0 mov -0x40(%rbp),%rbx * 2a: 48 8d bb f8 15 00 00 lea 0x15f8(%rbx),%rdi <-- trapping instruction 31: 48 89 f8 mov %rdi,%rax 34: 48 c1 e8 03 shr $0x3,%rax 38: 49 rex.WB 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah