INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.1.25' (ECDSA) to the list of known hosts. executing program [ 603.318285] hrtimer: interrupt took 26511 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 627.207843] kasan: CONFIG_KASAN_INLINE enabled [ 627.212585] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 627.219986] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 627.226324] Modules linked in: [ 627.229637] CPU: 1 PID: 2430 Comm: syz-executor094 Not tainted 4.9.181+ #9 [ 627.236625] task: 00000000713a9c31 task.stack: 00000000a2241254 [ 627.242659] RIP: 0010:[] [<00000000702aea29>] perf_output_read+0x63e/0x12e0 [ 627.251599] RSP: 0018:ffff8801c807f038 EFLAGS: 00010202 [ 627.257027] RAX: 000000000000001c RBX: 0000000000000009 RCX: 0000000000000000 [ 627.264272] RDX: 0000000000000000 RSI: ffffffff813c4230 RDI: 00000000000000e1 [ 627.271521] RBP: ffff8801c807f1b0 R08: 1ffff10039df69d5 R09: ffffed0039df69d7 [ 627.278770] R10: ffffed0039df69d6 R11: ffff8801cefb4eb7 R12: ffff8801c8698648 [ 627.286035] R13: ffff8801c807f348 R14: dffffc0000000000 R15: ffff8801c86985d0 [ 627.293283] FS: 00007fdb906b8700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 627.301487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 627.307345] CR2: 00000000203d313f CR3: 00000001c8634000 CR4: 00000000001606b0 [ 627.314594] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 627.321839] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 627.329083] Stack: [ 627.331210] ffff8801c807f1e0 ffff8801c807f350 ffffed003900fe6a 0000000000000010 [ 627.339226] 0000000000000004 0000000000000010 ffffed003900fe6d 1ffff1003900fe15 [ 627.347234] ffff8801c814c420 ffff8801c807f368 ffff8801c807f360 ffff8801c807f118 [ 627.355335] Call Trace: [ 627.357903] [<00000000e6e82a30>] ? perf_addr_filters_splice+0x540/0x540 [ 627.364794] [<00000000889f5011>] ? __lock_acquire+0x5e5/0x4350 [ 627.370838] [<000000008a05ef63>] ? perf_output_copy+0x151/0x1d0 [ 627.376960] [<000000005189bc5a>] perf_output_sample+0x1142/0x17e0 [ 627.383254] [<00000000f8b3a4ad>] ? perf_event__output_id_sample+0x80/0x80 [ 627.390247] [<00000000c18d2afa>] perf_event_output_forward+0x129/0x240 [ 627.396974] [<0000000026c879f5>] ? perf_prepare_sample+0xea0/0xea0 [ 627.403353] [<0000000026c879f5>] ? perf_prepare_sample+0xea0/0xea0 [ 627.409799] [<0000000097310e23>] ? __this_cpu_preempt_check+0x1d/0x30 [ 627.416439] [<0000000010a4226c>] __perf_event_overflow+0x121/0x330 [ 627.422824] [<00000000bef1eec9>] perf_swevent_overflow+0x17c/0x210 [ 627.429209] [<000000000286dbc8>] ? check_preemption_disabled+0x3c/0x200 [ 627.436026] [<0000000017cdcb5f>] perf_swevent_event+0x1ac/0x280 [ 627.442153] [<000000002b6cfe0a>] ___perf_sw_event+0x299/0x4c0 [ 627.448106] [<000000009461b232>] ? ___perf_sw_event+0x112/0x4c0 [ 627.454224] [<000000006db0e073>] ? trace_hardirqs_on+0x10/0x10 [ 627.460255] [<00000000894224a7>] ? perf_pending_event+0xe0/0xe0 [ 627.466427] [<00000000dd85f4b2>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 627.473190] [<00000000aa4c5511>] ? handle_mm_fault+0xc10/0x2420 [ 627.479313] [<0000000087105402>] ? handle_mm_fault+0x501/0x2420 [ 627.485496] [<000000007903ff8a>] ? _raw_spin_unlock+0x2d/0x50 [ 627.491451] [<00000000fb872f18>] ? handle_mm_fault+0x546/0x2420 [ 627.497568] [<0000000021dd58a7>] ? vm_insert_page+0x850/0x850 [ 627.503557] [<0000000076063962>] ? ext4_mark_iloc_dirty+0x1579/0x2850 [ 627.510201] [<00000000dd85f4b2>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 627.516932] [<000000000286dbc8>] ? check_preemption_disabled+0x3c/0x200 [ 627.523748] [<00000000e6d66c54>] ? debug_smp_processor_id+0x1c/0x20 [ 627.530227] [<00000000b7602aed>] __perf_sw_event+0x47/0x90 [ 627.536046] [<00000000d69a37f2>] __do_page_fault+0x6cd/0xa60 [ 627.541915] [<000000001486f972>] ? bad_area_access_error+0x3d0/0x3d0 [ 627.548473] [<00000000d936d97f>] ? ext4_reserve_inode_write+0x180/0x180 [ 627.555313] [<0000000044ced407>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 627.562058] [<00000000928b43ff>] do_page_fault+0x28/0x30 [ 627.567574] [<000000009270553f>] page_fault+0x25/0x30 [ 627.572827] [<0000000045954966>] ? iov_iter_fault_in_readable+0x300/0x3d0 [ 627.579829] [<0000000057edc479>] ? iov_iter_fault_in_readable+0x30d/0x3d0 [ 627.586817] [<0000000045954966>] ? iov_iter_fault_in_readable+0x300/0x3d0 [ 627.593805] [<0000000087e735c2>] ? iov_iter_init+0x1d0/0x1d0 [ 627.599678] [<00000000c44a039b>] generic_perform_write+0x1b6/0x500 [ 627.606061] [<00000000c34671b5>] ? filemap_page_mkwrite+0x280/0x280 [ 627.612531] [<00000000832319de>] __generic_file_write_iter+0x340/0x530 [ 627.619260] [<00000000fe961406>] ? generic_write_checks+0x245/0x410 [ 627.625738] [<00000000a25935fa>] ext4_file_write_iter+0x364/0xcd0 [ 627.632035] [<000000008773fb96>] ? ext4_llseek+0x8e0/0x8e0 [ 627.637809] [<000000008773fb96>] ? ext4_llseek+0x8e0/0x8e0 [ 627.643547] [<00000000195ee895>] __vfs_write+0x3c1/0x560 [ 627.649060] [<00000000428a2417>] ? __vfs_read+0x550/0x550 [ 627.654664] [<00000000d23ca5f7>] ? rcu_read_lock_sched_held+0x10b/0x130 [ 627.661482] [<000000005ae1fb74>] ? rcu_sync_lockdep_assert+0x73/0xb0 [ 627.668079] [<00000000c316e329>] ? __sb_start_write+0x161/0x310 [ 627.674925] [<000000003ff08a09>] vfs_write+0x185/0x520 [ 627.681662] [<0000000030e3c37a>] SyS_write+0x121/0x270 [ 627.687017] [<0000000097b1f22c>] ? SyS_read+0x270/0x270 [ 627.692454] [<00000000aaf47d72>] ? do_syscall_64+0x4a/0x5c0 [ 627.698228] [<0000000097b1f22c>] ? SyS_read+0x270/0x270 [ 627.703653] [<0000000052ea4950>] do_syscall_64+0x1ad/0x5c0 [ 627.709351] [<00000000edc8d665>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 627.716249] Code: 74 08 3c 03 0f 8e 55 0a 00 00 41 83 bf 88 00 00 00 01 0f 84 09 07 00 00 e8 a0 cc f5 ff 48 8d bb d8 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 15 0a 00 00 48 8b 9b d8 00 00 00 48 85 db [ 627.743310] RIP [<00000000702aea29>] perf_output_read+0x63e/0x12e0 [ 627.749819] RSP [ 627.753496] ---[ end trace 244ed3c15ec53456 ]--- [ 627.758249] Kernel panic - not syncing: Fatal exception [ 627.764129] Kernel Offset: disabled [ 627.767738] Rebooting in 86400 seconds..