[ 39.074484][ T26] audit: type=1800 audit(1552376379.158:25): pid=7716 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 39.101624][ T26] audit: type=1800 audit(1552376379.158:26): pid=7716 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 39.130475][ T26] audit: type=1800 audit(1552376379.158:27): pid=7716 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] startpar: service(s) returned failure: rsyslog ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.59' (ECDSA) to the list of known hosts. 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 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 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 syzkaller login: [ 66.194239][ C0] WARNING: CPU: 0 PID: 8967 at kernel/events/core.c:1835 perf_group_attach+0x3fd/0x4d0 [ 66.204073][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 66.210678][ C0] CPU: 0 PID: 8967 Comm: syz-executor001 Not tainted 5.0.0-next-20190306 #4 [ 66.219355][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.229412][ C0] Call Trace: [ 66.232723][ C0] [ 66.235586][ C0] dump_stack+0x172/0x1f0 [ 66.239913][ C0] ? perf_group_attach+0x3c0/0x4d0 [ 66.245015][ C0] panic+0x2cb/0x65c [ 66.248913][ C0] ? __warn_printk+0xf3/0xf3 [ 66.253500][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 66.258607][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.264862][ C0] ? __warn.cold+0x5/0x45 [ 66.269191][ C0] ? __warn+0xe8/0x1d0 [ 66.273262][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 66.278367][ C0] __warn.cold+0x20/0x45 [ 66.282611][ C0] ? __lock_acquire+0x548/0x3fb0 [ 66.287540][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 66.292652][ C0] report_bug+0x263/0x2b0 [ 66.296980][ C0] do_error_trap+0x11b/0x200 [ 66.301576][ C0] do_invalid_op+0x37/0x50 [ 66.306011][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 66.311117][ C0] invalid_op+0x14/0x20 [ 66.315269][ C0] RIP: 0010:perf_group_attach+0x3fd/0x4d0 [ 66.320985][ C0] Code: ff 48 8d 7b 10 48 89 f8 48 c1 e8 03 42 80 3c 28 00 75 57 48 8b 5b 10 48 83 eb 10 49 39 dc 75 d4 e9 20 ff ff ff e8 f3 b9 eb ff <0f> 0b e9 55 fd ff ff 48 c7 c7 b8 57 5e 89 e8 10 bc 23 00 e9 5b fc [ 66.340589][ C0] RSP: 0018:ffff8880ae807ea8 EFLAGS: 00010006 [ 66.346665][ C0] RAX: ffff8880a1534240 RBX: ffff88808afcd700 RCX: ffffffff8184d718 [ 66.354653][ C0] RDX: 0000000000010000 RSI: ffffffff8184da3d RDI: ffff88808afcd918 [ 66.362623][ C0] RBP: ffff8880ae807ed8 R08: ffff8880a1534240 R09: ffffffff899b9008 [ 66.370594][ C0] R10: ffffffff899b9010 R11: 0000000000000001 R12: ffff8880a12b2480 [ 66.378561][ C0] R13: ffffe8ffffc13780 R14: 0000000000000000 R15: ffff8880ae832048 [ 66.386553][ C0] ? perf_group_attach+0xd8/0x4d0 [ 66.391575][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 66.396684][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 66.401885][ C0] __perf_install_in_context+0x4b5/0x960 [ 66.407513][ C0] ? kvm_clock_read+0x18/0x30 [ 66.412183][ C0] ? __perf_event_enable+0x920/0x920 [ 66.417460][ C0] remote_function+0x12b/0x1a0 [ 66.422224][ C0] ? debug_smp_processor_id+0x3c/0x280 [ 66.427683][ C0] flush_smp_call_function_queue+0x14a/0x500 [ 66.433676][ C0] ? perf_duration_warn+0x40/0x40 [ 66.438737][ C0] generic_smp_call_function_single_interrupt+0x13/0x2b [ 66.445680][ C0] smp_call_function_single_interrupt+0xa3/0x460 [ 66.452016][ C0] call_function_single_interrupt+0xf/0x20 [ 66.457810][ C0] [ 66.460749][ C0] RIP: 0010:schedule+0xdb/0x180 [ 66.465596][ C0] Code: c3 48 8d bb 10 10 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 8a 00 00 00 4c 8b a3 10 10 00 00 <4d> 85 e4 74 84 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 [ 66.485213][ C0] RSP: 0018:ffff88808b7d7998 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04 [ 66.493639][ C0] RAX: dffffc0000000000 RBX: ffff8880a1534240 RCX: 0000000000000000 [ 66.501604][ C0] RDX: 1ffff110142a6a4a RSI: ffffffff81652a90 RDI: ffff8880a1535250 [ 66.509574][ C0] RBP: ffff88808b7d79a8 R08: 1ffff9200018e2e1 R09: fffff5200018e2e2 [ 66.517548][ C0] R10: fffff5200018e2e1 R11: ffffc90000c7170b R12: 0000000000000000 [ 66.525517][ C0] R13: ffff88808b7d7b48 R14: ffff88808b7d7a08 R15: 1ffff110116faf39 [ 66.533522][ C0] ? futex_wait_queue_me+0x2c0/0x600 [ 66.538812][ C0] futex_wait_queue_me+0x30c/0x600 [ 66.543918][ C0] ? handle_futex_death+0x1f0/0x1f0 [ 66.549110][ C0] ? lock_pi_update_atomic+0x120/0x120 [ 66.554568][ C0] ? get_futex_key+0x999/0x1660 [ 66.559427][ C0] futex_wait+0x228/0x5e0 [ 66.563756][ C0] ? futex_wait_setup+0x390/0x390 [ 66.568773][ C0] ? mark_held_locks+0xf0/0xf0 [ 66.573534][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 66.579433][ C0] ? drop_futex_key_refs.isra.0+0x6f/0xf0 [ 66.585154][ C0] ? futex_wake+0x179/0x4d0 [ 66.589671][ C0] ? __fd_install+0x1bc/0x640 [ 66.594535][ C0] do_futex+0x170/0x1df0 [ 66.598792][ C0] ? mutex_trylock+0x1e0/0x1e0 [ 66.603557][ C0] ? lock_downgrade+0x880/0x880 [ 66.608424][ C0] ? exit_robust_list+0x290/0x290 [ 66.613444][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.619680][ C0] ? __fd_install+0x200/0x640 [ 66.624362][ C0] ? fd_install+0x4d/0x60 [ 66.628709][ C0] ? __do_sys_perf_event_open+0x4e5/0x24e0 [ 66.634526][ C0] ? perf_event_set_output+0x4e0/0x4e0 [ 66.639987][ C0] __x64_sys_futex+0x3f7/0x590 [ 66.644753][ C0] ? do_futex+0x1df0/0x1df0 [ 66.649250][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 66.654731][ C0] ? do_syscall_64+0x26/0x610 [ 66.659401][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.665460][ C0] ? do_syscall_64+0x26/0x610 [ 66.672650][ C0] ? lockdep_hardirqs_on+0x418/0x5d0 [ 66.677941][ C0] ? trace_hardirqs_on+0x67/0x230 [ 66.682963][ C0] do_syscall_64+0x103/0x610 [ 66.687570][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.693461][ C0] RIP: 0033:0x446919 [ 66.697352][ C0] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.716950][ C0] RSP: 002b:00007f6be03d8db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 66.725360][ C0] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446919 [ 66.733407][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38 [ 66.741406][ C0] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 66.749386][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 66.757364][ C0] R13: 00007ffe034234bf R14: 00007f6be03d99c0 R15: 000000000000002d [ 66.766336][ C0] Kernel Offset: disabled [ 66.770839][ C0] Rebooting in 86400 seconds..