audit: type=1326 audit(1512544892.383:115): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5229 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=55 compat=0 ip=0x4529d9 code=0x7ffc0000 audit: type=1326 audit(1512544892.383:116): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5229 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4529d9 code=0x7ffc0000 BUG: unable to handle kernel paging request at 00000000f5098b52 IP: lock_release+0x195/0xda0 kernel/locking/lockdep.c:4021 PGD 5e28067 P4D 5e28067 PUD 5e2a067 PMD 0 Oops: 0002 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 5272 Comm: syz-executor6 Not tainted 4.15.0-rc2-next-20171206+ #60 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lock_release+0x195/0xda0 kernel/locking/lockdep.c:4021 RSP: 0018:ffff8801db407b58 EFLAGS: 00010046 RAX: 0000000000000007 RBX: 1ffff1003b680f70 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801c309ce04 RBP: ffff8801db407cc8 R08: 1ffffffff0d2baff R09: 000000000000000e R10: 0000000000000000 R11: ffffffff87490d20 R12: ffff8801c309c580 R13: ffff8801db407ca0 R14: ffffffff87492c08 R15: ffff8801c309c580 FS: 00007effba741700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffff8 CR3: 00000001943a7000 CR4: 00000000001426f0 Call Trace: seqcount_lockdep_reader_access include/linux/seqlock.h:82 [inline] read_seqcount_begin include/linux/seqlock.h:164 [inline] ktime_get_update_offsets_now+0x149/0x520 kernel/time/timekeeping.c:2257 hrtimer_update_base kernel/time/hrtimer.c:585 [inline] hrtimer_interrupt+0xfd/0x6f0 kernel/time/hrtimer.c:1451 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] smp_apic_timer_interrupt+0x14a/0x700 arch/x86/kernel/apic/apic.c:1050 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:907 RIP: 0010:rep_nop arch/x86/include/asm/processor.h:660 [inline] RIP: 0010:cpu_relax arch/x86/include/asm/processor.h:665 [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:ffff8801c314eec0 EFLAGS: 00000212 ORIG_RAX: ffffffffffffff11 RAX: 0000000000010000 RBX: 1ffff10038629de0 RCX: ffffffff816516e2 RDX: 000000000000324a RSI: ffffc90004be6000 RDI: ffff8801c314efb8 RBP: ffff8801c314f010 R08: 1ffff10038629df7 R09: 0000000000000000 R10: ffff8801c314f038 R11: 0000000000000000 R12: ffff8801c314efb8 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffed0038629dec 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:102 arch_jump_label_transform+0x2f/0x40 arch/x86/kernel/jump_label.c:110 __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+0x332/0x3c0 kernel/jump_label.c:124 tracepoint_add_func kernel/tracepoint.c:222 [inline] tracepoint_probe_register_prio+0x80d/0x9a0 kernel/tracepoint.c:282 tracepoint_probe_register+0x2a/0x40 kernel/tracepoint.c:303 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+0x4ef/0xab0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:7956 perf_try_init_event+0xc9/0x1f0 kernel/events/core.c:9182 perf_init_event kernel/events/core.c:9220 [inline] perf_event_alloc+0x1cc6/0x2b00 kernel/events/core.c:9484 SYSC_perf_event_open+0x842/0x2f10 kernel/events/core.c:9939 SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9825 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x4529d9 RSP: 002b:00007effba740c58 EFLAGS: 00000212 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007effba741700 RCX: 00000000004529d9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 000000002025c000 RBP: 0000000000a6f880 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a6f7ff R14: 00007effba7419c0 R15: 0000000000000013 Code: 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c4 08 00 00 41 c7 87 84 08 00 00 01 00 00 00 1f 44 00 00 65 8b 05 2f d7 aa 7e 89 c0 48 0f a3 05 b5 97 08 RIP: lock_release+0x195/0xda0 kernel/locking/lockdep.c:4021 RSP: ffff8801db407b58 CR2: fffffffffffffff8 ---[ end trace 30258431c1bd0c04 ]---