[ 40.388892][ T26] audit: type=1800 audit(1554788049.041:28): pid=7621 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 41.062710][ T26] audit: type=1800 audit(1554788049.711:29): pid=7621 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 41.083915][ T26] audit: type=1800 audit(1554788049.721:30): pid=7621 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [....] startpar: service(s) returned failure: rsyslog ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.63' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 61.224933][ T7804] WARNING: CPU: 1 PID: 7804 at fs/attr.c:234 notify_change+0xca2/0xfb0 [ 61.233332][ T7804] Kernel panic - not syncing: panic_on_warn set ... [ 61.240066][ T7804] CPU: 1 PID: 7804 Comm: syz-executor498 Not tainted 5.1.0-rc4+ #59 [ 61.248212][ T7804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.258369][ T7804] Call Trace: [ 61.261790][ T7804] dump_stack+0x172/0x1f0 [ 61.266187][ T7804] ? notify_change+0xca0/0xfb0 [ 61.270953][ T7804] panic+0x2cb/0x65c [ 61.274850][ T7804] ? __warn_printk+0xf3/0xf3 [ 61.279443][ T7804] ? notify_change+0xca2/0xfb0 [ 61.284205][ T7804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.290446][ T7804] ? __warn.cold+0x5/0x45 [ 61.295354][ T7804] ? __warn+0xe8/0x1d0 [ 61.299490][ T7804] ? notify_change+0xca2/0xfb0 [ 61.304268][ T7804] __warn.cold+0x20/0x45 [ 61.308969][ T7804] ? notify_change+0xca2/0xfb0 [ 61.313936][ T7804] report_bug+0x263/0x2b0 [ 61.318329][ T7804] do_error_trap+0x11b/0x200 [ 61.323011][ T7804] do_invalid_op+0x37/0x50 [ 61.327424][ T7804] ? notify_change+0xca2/0xfb0 [ 61.332240][ T7804] invalid_op+0x14/0x20 [ 61.336395][ T7804] RIP: 0010:notify_change+0xca2/0xfb0 [ 61.341943][ T7804] Code: 14 52 0a 00 e8 1f a3 b7 ff 4c 8b 7c 24 20 4c 89 ff e8 e2 88 4a 01 89 de 4c 89 ff e8 c8 a4 4a 01 e9 33 fa ff ff e8 fe a2 b7 ff <0f> 0b e9 42 f4 ff ff e8 f2 a2 b7 ff 44 89 f3 4c 89 ea 48 b8 00 00 [ 61.361761][ T7804] RSP: 0018:ffff8880946a74c0 EFLAGS: 00010293 [ 61.367923][ T7804] RAX: ffff88808de3a140 RBX: 0000000000004200 RCX: ffffffff81b8e042 [ 61.376104][ T7804] RDX: 0000000000000000 RSI: ffffffff81b8ec02 RDI: 0000000000000007 [ 61.384171][ T7804] RBP: ffff8880946a7510 R08: ffff88808de3a140 R09: ffffed101478a584 [ 61.392250][ T7804] R10: ffffed101478a583 R11: ffff8880a3c52c1f R12: ffff8880946a7560 [ 61.400227][ T7804] R13: ffff8880a3c52b40 R14: 0000000000000000 R15: ffff8880946a75f0 [ 61.408222][ T7804] ? notify_change+0xe2/0xfb0 [ 61.412898][ T7804] ? notify_change+0xca2/0xfb0 [ 61.417769][ T7804] file_remove_privs+0x2a9/0x480 [ 61.422754][ T7804] ? dentry_needs_remove_privs.part.0+0x80/0x80 [ 61.429376][ T7804] ? lock_downgrade+0x880/0x880 [ 61.434246][ T7804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.440567][ T7804] ? kasan_check_read+0x11/0x20 [ 61.445438][ T7804] __generic_file_write_iter+0x15e/0x630 [ 61.451234][ T7804] blkdev_write_iter+0x23a/0x440 [ 61.456174][ T7804] ? __blkdev_get+0x1660/0x1660 [ 61.461028][ T7804] ? current_time+0x6b/0x140 [ 61.465691][ T7804] ? find_held_lock+0x35/0x130 [ 61.470468][ T7804] do_iter_readv_writev+0x5e1/0x8e0 [ 61.475689][ T7804] ? common_file_perm+0x238/0x720 [ 61.480730][ T7804] ? vfs_dedupe_file_range+0x780/0x780 [ 61.486202][ T7804] ? apparmor_file_permission+0x25/0x30 [ 61.491913][ T7804] ? rw_verify_area+0x118/0x360 [ 61.496770][ T7804] do_iter_write+0x184/0x610 [ 61.501375][ T7804] ? rcu_read_lock_sched_held+0x110/0x130 [ 61.507384][ T7804] ? __kmalloc+0x5d5/0x740 [ 61.511802][ T7804] vfs_iter_write+0x77/0xb0 [ 61.516451][ T7804] iter_file_splice_write+0x662/0xbe0 [ 61.521950][ T7804] ? atime_needs_update+0x5f0/0x5f0 [ 61.527386][ T7804] ? page_cache_pipe_buf_confirm+0x2b0/0x2b0 [ 61.533386][ T7804] ? rw_verify_area+0x118/0x360 [ 61.538366][ T7804] ? page_cache_pipe_buf_confirm+0x2b0/0x2b0 [ 61.544474][ T7804] direct_splice_actor+0x126/0x1a0 [ 61.549728][ T7804] splice_direct_to_actor+0x369/0x970 [ 61.555113][ T7804] ? generic_pipe_buf_nosteal+0x10/0x10 [ 61.560672][ T7804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.567036][ T7804] ? do_splice_to+0x190/0x190 [ 61.572103][ T7804] ? rw_verify_area+0x118/0x360 [ 61.577115][ T7804] do_splice_direct+0x1da/0x2a0 [ 61.582212][ T7804] ? splice_direct_to_actor+0x970/0x970 [ 61.587770][ T7804] ? rw_verify_area+0x118/0x360 [ 61.592722][ T7804] do_sendfile+0x597/0xd00 [ 61.597147][ T7804] ? do_compat_pwritev64+0x1c0/0x1c0 [ 61.602501][ T7804] ? __x64_sys_futex+0x404/0x590 [ 61.607561][ T7804] __x64_sys_sendfile64+0x1dd/0x220 [ 61.612819][ T7804] ? __ia32_sys_sendfile+0x230/0x230 [ 61.618110][ T7804] ? do_syscall_64+0x26/0x610 [ 61.622842][ T7804] ? lockdep_hardirqs_on+0x418/0x5d0 [ 61.628137][ T7804] ? trace_hardirqs_on+0x67/0x230 [ 61.633351][ T7804] do_syscall_64+0x103/0x610 [ 61.637948][ T7804] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.643935][ T7804] RIP: 0033:0x44a949 [ 61.647817][ T7804] Code: e8 8c b5 02 00 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 2b cc fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.667538][ T7804] RSP: 002b:00007f9bcc8c4ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 61.676062][ T7804] RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 000000000044a949 [ 61.684141][ T7804] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003 [ 61.692134][ T7804] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 61.700111][ T7804] R10: 0000400000080001 R11: 0000000000000246 R12: 00000000006dbc4c [ 61.708266][ T7804] R13: 00007ffc01f4387f R14: 00007f9bcc8c59c0 R15: 20c49ba5e353f7cf [ 61.717349][ T7804] Kernel Offset: disabled [ 61.721855][ T7804] Rebooting in 86400 seconds..