kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 16179 Comm: syz-executor.0 Not tainted 5.1.0-rc7+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:perf_tp_event_match kernel/events/core.c:8522 [inline] RIP: 0010:perf_tp_event+0x1e9/0x850 kernel/events/core.c:8573 Code: 85 db 0f 84 dd 00 00 00 e8 a4 d7 e7 ff 48 83 eb 60 0f 84 ce 00 00 00 e8 95 d7 e7 ff 48 8d bb d0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e ba 05 00 00 44 8b b3 d0 01 RSP: 0018:ffff8880ae807800 EFLAGS: 00010002 RAX: 000007e66065a04a RBX: 00003f33032d0082 RCX: ffffffff8188b601 RDX: 0000000000010000 RSI: ffffffff8188b66b RDI: 00003f33032d0252 RBP: ffff8880ae807af0 R08: ffff8880a7be06c0 R09: ffff8880ae800000 R10: ffff8880ae807b38 R11: ffff8880ae80002b R12: dffffc0000000000 R13: ffff8880ae800000 R14: 00000000000000e2 R15: 000000000000002c FS: 00007f8fc872d700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f010e866000 CR3: 00000000587ef000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: perf_trace_run_bpf_submit+0x131/0x190 kernel/events/core.c:8548 perf_trace_sched_wakeup_template+0x471/0x6b0 include/trace/events/sched.h:57 trace_sched_wakeup include/trace/events/sched.h:96 [inline] ttwu_do_wakeup+0x239/0x580 kernel/sched/core.c:1702 ttwu_do_activate+0x14b/0x1f0 kernel/sched/core.c:1746 ttwu_queue kernel/sched/core.c:1890 [inline] try_to_wake_up+0x824/0x1000 kernel/sched/core.c:2100 wake_up_process+0x10/0x20 kernel/sched/core.c:2172 hrtimer_wakeup+0x48/0x60 kernel/time/hrtimer.c:1637 __run_hrtimer kernel/time/hrtimer.c:1389 [inline] __hrtimer_run_queues+0x33e/0xde0 kernel/time/hrtimer.c:1451 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline] smp_apic_timer_interrupt+0x120/0x570 arch/x86/kernel/apic/apic.c:1060 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:mntput_no_expire+0xa5/0x960 fs/namespace.c:1143 Code: 8d bc 24 e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c8 07 00 00 49 8b 9c 24 e0 00 00 00 <31> ff 48 89 de e8 61 42 b6 ff 48 85 db 0f 84 1d 01 00 00 e8 b3 40 RSP: 0018:ffff888053f37d98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff888061699300 RCX: ffffc900069ed000 RDX: 1ffff11012c9431c RSI: ffffffff81ba4d0a RDI: ffff8880964a18e0 RBP: ffff888053f37dd0 R08: ffff8880a7be06c0 R09: ffffed1015d05bc0 R10: ffffed1015d05bbf R11: ffff8880ae82ddfb R12: ffff8880964a1800 R13: 0000000000000000 R14: 0000000000010000 R15: 0000000000000003 mntput+0x6f/0xa0 fs/namespace.c:1208 __fput+0x438/0x8d0 fs/file_table.c:292 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x52d/0x610 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x412b61 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 1a 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007f8fc872cc80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000412b61 RDX: 0000000000000001 RSI: 00007f8fc872cca0 RDI: 0000000000000005 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f8fc872d6d4 R13: 00000000004f6e92 R14: 00000000004d01b8 R15: 0000000000000005 Modules linked in: ======================================================