xs_tcp_setup_socket: connect returned unhandled error -113 watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor2:24911] Modules linked in: irq event stamp: 227722 hardirqs last enabled at (227721): [] restore_regs_and_iret+0x0/0x1d hardirqs last disabled at (227722): [] apic_timer_interrupt+0x98/0xb0 arch/x86/entry/entry_64.S:770 softirqs last enabled at (227720): [] __do_softirq+0x74d/0xbd0 kernel/softirq.c:310 softirqs last disabled at (227713): [] invoke_softirq kernel/softirq.c:364 [inline] softirqs last disabled at (227713): [] irq_exit+0x1d3/0x210 kernel/softirq.c:405 CPU: 1 PID: 24911 Comm: syz-executor2 Not tainted 4.14.0-rc1-next-20170922+ #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d4152400 task.stack: ffff8801c6ab0000 RIP: 0010:rep_nop arch/x86/include/asm/processor.h:634 [inline] RIP: 0010:cpu_relax arch/x86/include/asm/processor.h:639 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline] RIP: 0010:smp_call_function_single+0x364/0x560 kernel/smp.c:302 RSP: 0018:ffff8801c6ab6ec0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 0000000000010000 RBX: 1ffff10038d56de0 RCX: ffffc90003b64000 RDX: 0000000000010000 RSI: ffffffff81630202 RDI: ffff8801c6ab6fb8 RBP: ffff8801c6ab7010 R08: fffffbffffeaf120 R09: 0000000000000000 R10: ffff8801c6ab7038 R11: 0000000000000000 R12: ffff8801c6ab6fb8 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffed0038d56dec FS: 00007f1f0dace700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000a6fa18 CR3: 00000001cf0a7000 CR4: 00000000001406e0 DR0: 0000000020001000 DR1: 0000000020001000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: smp_call_function_many+0x773/0x930 kernel/smp.c:434 smp_call_function kernel/smp.c:492 [inline] on_each_cpu+0x3d/0x1b0 kernel/smp.c:602 text_poke_bp+0xbb/0x170 arch/x86/kernel/alternative.c:807 __jump_label_transform.isra.0+0x6a5/0x8a0 arch/x86/kernel/jump_label.c:101 arch_jump_label_transform+0x2f/0x40 arch/x86/kernel/jump_label.c:109 __jump_label_update+0x207/0x2d0 kernel/jump_label.c:368 jump_label_update+0x22c/0x2b0 kernel/jump_label.c:735 static_key_slow_inc_cpuslocked kernel/jump_label.c:109 [inline] static_key_slow_inc+0x32f/0x3c0 kernel/jump_label.c:124 tracepoint_add_func kernel/tracepoint.c:223 [inline] tracepoint_probe_register_prio+0x80d/0x9a0 kernel/tracepoint.c:283 tracepoint_probe_register+0x2a/0x40 kernel/tracepoint.c:304 trace_event_reg+0x167/0x320 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x4f9/0xab0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8037 perf_try_init_event+0xc9/0x1f0 kernel/events/core.c:9262 perf_init_event kernel/events/core.c:9300 [inline] perf_event_alloc+0x1c5b/0x2a00 kernel/events/core.c:9559 SYSC_perf_event_open+0x84e/0x2e00 kernel/events/core.c:10014 SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9900 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4520a9 RSP: 002b:00007f1f0dacdc08 EFLAGS: 00000216 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004520a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002001d000 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000216 R12: 00000000004b9cd2 R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000008903 Code: 00 00 00 fc ff df 44 89 bd 50 ff ff ff 48 c1 e8 03 4c 01 e8 41 83 e7 01 c6 00 f8 74 4e 49 89 c7 49 83 c4 18 e8 9e f9 0a 00 f3 90 <4c> 89 e2 41 c6 07 04 48 c1 ea 03 42 0f b6 14 2a 84 d2 74 09 80