------------[ cut here ]------------ WARNING: CPU: 0 PID: 14474 at net/mac80211/tx.c:4849 __ieee80211_beacon_get+0x177c/0x1fc0 net/mac80211/tx.c:5073 Modules linked in: CPU: 0 PID: 14474 Comm: syz-executor.0 Not tainted 5.15.98-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4849 [inline] RIP: 0010:__ieee80211_beacon_get+0x177c/0x1fc0 net/mac80211/tx.c:5073 Code: ff e8 18 8b cd f7 0f 0b e9 ff fa ff ff e8 0c 8b cd f7 0f 0b e9 ef fe ff ff e8 00 8b cd f7 0f 0b e9 38 ee ff ff e8 f4 8a cd f7 <0f> 0b e9 c3 f0 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c b8 ea RSP: 0018:ffffc90000007840 EFLAGS: 00010246 RAX: ffffffff89b2c99c RBX: 0000000000000000 RCX: ffff88801ed5d700 RDX: 0000000080000102 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007a70 R08: ffffffff89b2ba59 R09: ffffffff89b2b485 R10: 0000000000000003 R11: ffff88801ed5d700 R12: 1ffff92000000f18 R13: ffff88801ed3cc80 R14: ffff88801ed3e298 R15: dffffc0000000000 FS: 00007fa5ff81f700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020096030 CR3: 000000001a8c5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xb7/0x860 net/mac80211/tx.c:5192 ieee80211_beacon_get include/net/mac80211.h:4981 [inline] mac80211_hwsim_beacon_tx+0xe2/0x880 drivers/net/wireless/mac80211_hwsim.c:1812 __iterate_interfaces+0x21e/0x490 net/mac80211/util.c:793 ieee80211_iterate_active_interfaces_atomic+0x94/0x110 net/mac80211/util.c:829 mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x5ff/0xe80 kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1766 __do_softirq+0x3d1/0x9fe kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:check_preemption_disabled+0x19/0x110 lib/smp_processor_id.c:14 Code: cc 48 c7 c7 a0 b8 d8 8a 48 c7 c6 e0 b8 d8 8a eb 00 41 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 <65> 8b 1d 00 28 e7 75 65 8b 05 71 82 e7 75 a9 ff ff ff 7f 74 22 65 RSP: 0018:ffffc90002f0f3e0 EFLAGS: 00000282 RAX: 482332a363653c00 RBX: 1ffff920005e1e88 RCX: 0000000080000001 RDX: 0000000000000000 RSI: ffffffff8ad8b8e0 RDI: ffffffff8ad8b8a0 RBP: ffffc90002f0f4d0 R08: dffffc0000000000 R09: fffffbfff1bc70fe R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920005e1ea8 R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000000 rcu_lockdep_current_cpu_online+0x35/0x130 kernel/rcu/tree.c:1169 rcu_read_lock_held_common kernel/rcu/update.c:112 [inline] rcu_read_lock_sched_held+0x74/0x130 kernel/rcu/update.c:123 trace_lock_release include/trace/events/lock.h:58 [inline] lock_release+0xc9/0x9c0 kernel/locking/lockdep.c:5633 __mutex_unlock_slowpath+0xde/0x750 kernel/locking/mutex.c:851 __unix_dgram_recvmsg+0xcbd/0x1260 net/unix/af_unix.c:2392 ____sys_recvmsg+0x286/0x530 ___sys_recvmsg+0x1ec/0x690 net/socket.c:2673 do_recvmmsg+0x36f/0x8f0 net/socket.c:2767 __sys_recvmmsg net/socket.c:2846 [inline] __do_sys_recvmmsg net/socket.c:2869 [inline] __se_sys_recvmmsg net/socket.c:2862 [inline] __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2862 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa6012ef0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa5ff81f168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007fa60140f120 RCX: 00007fa6012ef0f9 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 00007fa60134aae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe412ff6bf R14: 00007fa5ff81f300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: cc int3 1: 48 c7 c7 a0 b8 d8 8a mov $0xffffffff8ad8b8a0,%rdi 8: 48 c7 c6 e0 b8 d8 8a mov $0xffffffff8ad8b8e0,%rsi f: eb 00 jmp 0x11 11: 41 57 push %r15 13: 41 56 push %r14 15: 41 54 push %r12 17: 53 push %rbx 18: 48 83 ec 10 sub $0x10,%rsp 1c: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax 23: 00 00 25: 48 89 44 24 08 mov %rax,0x8(%rsp) * 2a: 65 8b 1d 00 28 e7 75 mov %gs:0x75e72800(%rip),%ebx # 0x75e72831 <-- trapping instruction 31: 65 8b 05 71 82 e7 75 mov %gs:0x75e78271(%rip),%eax # 0x75e782a9 38: a9 ff ff ff 7f test $0x7fffffff,%eax 3d: 74 22 je 0x61 3f: 65 gs