------------[ cut here ]------------ WARNING: CPU: 1 PID: 19047 at net/mac80211/tx.c:5021 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5021 [inline] WARNING: CPU: 1 PID: 19047 at net/mac80211/tx.c:5021 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5432 Modules linked in: CPU: 1 PID: 19047 Comm: syz.3.3789 Not tainted 6.6.97-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5021 [inline] RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5432 Code: 24 4c 89 e7 e8 4e 64 d5 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 29 d7 96 f7 0f 0b e9 f6 f7 ff ff e8 1d d7 96 f7 <0f> 0b e9 48 fb ff ff e8 11 d7 96 f7 48 c7 c7 40 0c 24 8e 4c 89 e6 RSP: 0018:ffffc900001f0a18 EFLAGS: 00010246 RAX: ffffffff89eebf53 RBX: ffffffff89eead56 RCX: ffff88802ac33c00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff88802ac33c00 R09: 0000000000000003 R10: 0000000000000007 R11: 0000000000000100 R12: ffff88807d7723c0 R13: dffffc0000000000 R14: ffff88807d7728b0 R15: ffff88801a690824 FS: 00007fb211b7e6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8e3417f2d8 CR3: 000000002d679000 CR4: 00000000003506e0 Call Trace: ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5559 ieee80211_beacon_get include/net/mac80211.h:5438 [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:1755 [inline] __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836 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+0xc7/0x190 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:lock_is_held_type+0x0/0x190 kernel/locking/lockdep.c:5810 Code: df 83 3d 42 3d dc 03 00 75 d6 48 c7 c7 e0 b7 aa 8a 48 c7 c6 20 b8 aa 8a e8 5d 70 e1 f6 0f 0b eb bf e8 84 fc ff ff 0f 1f 40 00 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 83 ec 10 65 48 8b 04 RSP: 0018:ffffc90014057318 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff88802ac34670 RCX: ffff88802ac33c00 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8cd2fac0 RBP: ffffc90014057530 R08: ffffc900140574bf R09: 0000000000000000 R10: ffffc900140574b0 R11: fffff5200280ae98 R12: 0000000000000000 R13: ffff8880b8f00000 R14: dffffc0000000000 R15: 1ffff9200280ae84 lock_is_held include/linux/lockdep.h:288 [inline] schedule_debug kernel/sched/core.c:5958 [inline] __schedule+0x1db/0x4580 kernel/sched/core.c:6591 schedule+0xbd/0x170 kernel/sched/core.c:6774 schedule_timeout+0x9b/0x280 kernel/time/timer.c:2143 unix_wait_for_peer+0x1e9/0x2e0 net/unix/af_unix.c:1515 unix_dgram_sendmsg+0xf04/0x1720 net/unix/af_unix.c:2105 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x5bf/0x950 net/socket.c:2595 ___sys_sendmsg+0x220/0x290 net/socket.c:2649 __sys_sendmmsg+0x275/0x4a0 net/socket.c:2735 __do_sys_sendmmsg net/socket.c:2764 [inline] __se_sys_sendmmsg net/socket.c:2761 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2761 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fb210d8e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb211b7e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fb210fb5fa0 RCX: 00007fb210d8e929 RDX: 0400000000000041 RSI: 0000200000000000 RDI: 0000000000000005 RBP: 00007fb210e10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb210fb5fa0 R15: 00007ffd75027f88 ---------------- Code disassembly (best guess): 0: df 83 3d 42 3d dc filds -0x23c2bdc3(%rbx) 6: 03 00 add (%rax),%eax 8: 75 d6 jne 0xffffffe0 a: 48 c7 c7 e0 b7 aa 8a mov $0xffffffff8aaab7e0,%rdi 11: 48 c7 c6 20 b8 aa 8a mov $0xffffffff8aaab820,%rsi 18: e8 5d 70 e1 f6 call 0xf6e1707a 1d: 0f 0b ud2 1f: eb bf jmp 0xffffffe0 21: e8 84 fc ff ff call 0xfffffcaa 26: 0f 1f 40 00 nopl 0x0(%rax) * 2a: f3 0f 1e fa endbr64 <-- trapping instruction 2e: 55 push %rbp 2f: 41 57 push %r15 31: 41 56 push %r14 33: 41 55 push %r13 35: 41 54 push %r12 37: 53 push %rbx 38: 48 83 ec 10 sub $0x10,%rsp 3c: 65 gs 3d: 48 rex.W 3e: 8b .byte 0x8b 3f: 04 .byte 0x4