watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.6:16430] Modules linked in: irq event stamp: 4289091 hardirqs last enabled at (4289090): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4289091): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (4238258): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (4238261): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 16430 Comm: syz-executor.6 Not tainted 6.5.0-rc6-next-20230815 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ktime_get_with_offset+0x222/0x260 Code: 02 00 00 00 31 f6 48 c7 c7 08 f5 62 85 e8 76 de f0 ff 48 8b 74 24 60 48 c7 c7 08 f5 62 85 e8 55 d6 f0 ff e8 70 03 17 00 fb 5a a2 fe ff ff e8 54 c6 0f 00 0f 0b e9 28 fe ff ff 4c 89 f7 e8 a5 RSP: 0018:ffff88806ce09c90 EFLAGS: 00000206 RAX: 00000000004171b8 RBX: 0000000000000200 RCX: 1ffffffff0ba9e81 RDX: ffffffff831cffc6 RSI: 0000000000000000 RDI: ffffffff813dd120 RBP: ffff888036dbd280 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff85d51dd7 R11: 0000000000000001 R12: ffff88803fc90e20 R13: fffffbfff0ac5eb9 R14: ffffffff8562f5c8 R15: dffffc0000000000 FS: 00007f25c83c4700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32c24000 CR3: 00000000411fa000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __mac80211_hwsim_beacon_tx+0x1e6/0x5c0 mac80211_hwsim_beacon_tx+0x427/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__up_read+0x1a6/0x750 Code: 38 48 89 04 24 f0 4d 0f b1 2f 0f 85 e0 01 00 00 be 08 00 00 00 48 89 ef e8 77 4f 56 00 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 <48> 89 d9 83 e3 07 48 2d 00 01 00 00 48 ba 00 00 00 00 00 fc ff df RSP: 0018:ffff8880189c7ce0 EFLAGS: 00000247 RAX: 0000000000000100 RBX: ffffffff85d52f2c RCX: ffffffff812d04e9 RDX: ffffed100641a4e7 RSI: 0000000000000008 RDI: ffff8880320d2730 RBP: ffff8880320d2730 R08: 0000000000000001 R09: ffffed100641a4e6 R10: ffff8880320d2737 R11: 0000000000000001 R12: 1ffff11003138f9f R13: 0000000000000001 R14: ffff888008e8b680 R15: ffff8880320d2738 __do_sys_perf_event_open+0x199b/0x2ae0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x73/0xdd RIP: 0033:0x7f25cae4eb19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f25c83c4188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f25caf61f60 RCX: 00007f25cae4eb19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000580 RBP: 00007f25caea8f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffea131a90f R14: 00007f25c83c4300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 02 00 add (%rax),%al 2: 00 00 add %al,(%rax) 4: 31 f6 xor %esi,%esi 6: 48 c7 c7 08 f5 62 85 mov $0xffffffff8562f508,%rdi d: e8 76 de f0 ff callq 0xfff0de88 12: 48 8b 74 24 60 mov 0x60(%rsp),%rsi 17: 48 c7 c7 08 f5 62 85 mov $0xffffffff8562f508,%rdi 1e: e8 55 d6 f0 ff callq 0xfff0d678 23: e8 70 03 17 00 callq 0x170398 28: fb sti 29: 5a pop %rdx * 2a: e9 a2 fe ff ff jmpq 0xfffffed1 <-- trapping instruction 2f: e8 54 c6 0f 00 callq 0xfc688 34: 0f 0b ud2 36: e9 28 fe ff ff jmpq 0xfffffe63 3b: 4c 89 f7 mov %r14,%rdi 3e: e8 .byte 0xe8 3f: a5 movsl %ds:(%rsi),%es:(%rdi)