watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.2:10653] Modules linked in: irq event stamp: 3744153 hardirqs last enabled at (3744152): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (3744153): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (3654420): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (3654423): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 10653 Comm: syz-executor.2 Not tainted 6.2.0-rc3-next-20230109 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kmem_cache_alloc_node+0x20/0x310 Code: 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 41 55 41 89 f5 41 54 49 89 fc 55 89 d5 53 48 83 ec 18 8b 1d 84 b2 53 04 <65> 48 8b 04 25 28 00 00 00 48 89 44 24 10 8b 47 1c 4c 8b 7c 24 48 RSP: 0018:ffff88806ce09b28 EFLAGS: 00000296 RAX: 0000000000000000 RBX: 000000000fffffff RCX: 0000000000000100 RDX: 00000000ffffffff RSI: 0000000000000a20 RDI: ffff888008794dc0 RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000004 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888008794dc0 R13: 0000000000000a20 R14: 0000000000000a20 R15: ffff888045648de0 FS: 00007f3d43898700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055eca086af70 CR3: 000000003648e000 CR4: 0000000000350ef0 Call Trace: __alloc_skb+0x21a/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x13c0 ieee80211_beacon_get_tim+0x99/0x540 mac80211_hwsim_beacon_tx+0x1d2/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x913 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:syscall_regfunc+0xd6/0x1e0 Code: 00 00 48 89 04 24 48 c1 e8 03 80 3c 28 00 0f 85 f7 00 00 00 49 8b 9e 38 03 00 00 4c 8d 7b 10 4c 89 f8 48 c1 e8 03 80 3c 28 00 <0f> 85 ce 00 00 00 4c 8b 24 24 48 8b 43 10 49 c1 ec 03 48 8d 98 20 RSP: 0018:ffff888047137a80 EFLAGS: 00000246 RAX: 1ffff1100328079a RBX: ffff888019403cc0 RCX: ffffc900033e1000 RDX: 0000000000040000 RSI: ffffffff814be8e7 RDI: ffff88801a23b9d8 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff88801a23b58f R10: ffffed10034476b1 R11: 0000000000000001 R12: ffffed10034477a2 R13: ffff8880200d5040 R14: ffff8880200d5498 R15: ffff888019403cd0 tracepoint_add_func+0x4a8/0xe60 tracepoint_probe_register+0xa5/0xf0 trace_event_reg+0x297/0x350 perf_trace_event_init+0x550/0x9d0 perf_trace_init+0x1a4/0x2f0 perf_tp_event_init+0xa6/0x120 perf_try_init_event+0x130/0x570 perf_event_alloc.part.0+0xfb7/0x3a30 __do_sys_perf_event_open+0x4a8/0x2a30 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f3d46322b19 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:00007f3d43898188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f3d46435f60 RCX: 00007f3d46322b19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007f3d4637cf6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7d906def R14: 00007f3d43898300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 102 Comm: systemd-udevd Not tainted 6.2.0-rc3-next-20230109 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_write_lock_slowpath+0x1e6/0x280 Code: ef 03 41 83 e6 07 49 01 c7 41 83 c6 03 41 0f b6 07 41 38 c6 7c 08 84 c0 0f 85 8e 00 00 00 8b 45 00 3d 00 01 00 00 74 19 f3 90 <41> 0f b6 07 41 38 c6 7c eb 84 c0 74 e7 48 89 ef e8 15 1c 39 fd eb RSP: 0018:ffff88801641fa38 EFLAGS: 00000006 RAX: 0000000000000300 RBX: 1ffff11002c83f48 RCX: ffffffff84446c6c RDX: fffffbfff0a81411 RSI: 0000000000000004 RDI: ffffffff8540a080 RBP: ffffffff8540a080 R08: 0000000000000001 R09: ffffffff8540a083 R10: fffffbfff0a81410 R11: 0000000000000001 R12: ffffffff8540a084 R13: 00000000000000ff R14: 0000000000000003 R15: fffffbfff0a81410 FS: 00007f50030eb8c0(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010038 CR3: 0000000014532000 CR4: 0000000000350ee0 Call Trace: do_raw_write_lock+0x1d6/0x290 copy_process+0x45f8/0x7390 kernel_clone+0xeb/0x8c0 __do_sys_clone+0xba/0x100 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f50035774bb Code: ed 0f 85 f8 00 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 91 00 00 00 41 89 c5 85 c0 0f 85 9e 00 00 RSP: 002b:00007ffd30c05590 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f50035774bb RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f50030eb8c0 R10: 00007f50030ebb90 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd30c05660 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: f3 0f 1e fa endbr64 e: 41 57 push %r15 10: 41 56 push %r14 12: 41 55 push %r13 14: 41 89 f5 mov %esi,%r13d 17: 41 54 push %r12 19: 49 89 fc mov %rdi,%r12 1c: 55 push %rbp 1d: 89 d5 mov %edx,%ebp 1f: 53 push %rbx 20: 48 83 ec 18 sub $0x18,%rsp 24: 8b 1d 84 b2 53 04 mov 0x453b284(%rip),%ebx # 0x453b2ae * 2a: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax <-- trapping instruction 31: 00 00 33: 48 89 44 24 10 mov %rax,0x10(%rsp) 38: 8b 47 1c mov 0x1c(%rdi),%eax 3b: 4c 8b 7c 24 48 mov 0x48(%rsp),%r15