[ 36.684351][ T26] audit: type=1800 audit(1554422440.094:27): pid=7523 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 36.714302][ T26] audit: type=1800 audit(1554422440.094:28): pid=7523 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. [ 37.505613][ T26] audit: type=1800 audit(1554422440.964:29): pid=7523 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 [....] startpar: service(s) returned failure: rsyslog ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 58.985325][ T7702] WARNING: CPU: 0 PID: 7702 at fs/attr.c:234 notify_change+0xca2/0xfb0 [ 58.993862][ T7702] Kernel panic - not syncing: panic_on_warn set ... [ 59.000625][ T7702] CPU: 0 PID: 7702 Comm: syz-executor884 Not tainted 5.1.0-rc3+ #50 [ 59.009010][ T7702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.019187][ T7702] Call Trace: [ 59.022535][ T7702] dump_stack+0x172/0x1f0 [ 59.026877][ T7702] ? notify_change+0xc80/0xfb0 [ 59.031783][ T7702] panic+0x2cb/0x65c [ 59.036302][ T7702] ? __warn_printk+0xf3/0xf3 [ 59.042026][ T7702] ? notify_change+0xca2/0xfb0 [ 59.046847][ T7702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.053225][ T7702] ? __warn.cold+0x5/0x45 [ 59.057555][ T7702] ? __warn+0xe8/0x1d0 [ 59.061729][ T7702] ? notify_change+0xca2/0xfb0 [ 59.066645][ T7702] __warn.cold+0x20/0x45 [ 59.070897][ T7702] ? notify_change+0xca2/0xfb0 [ 59.075759][ T7702] report_bug+0x263/0x2b0 [ 59.080096][ T7702] do_error_trap+0x11b/0x200 [ 59.084899][ T7702] do_invalid_op+0x37/0x50 [ 59.089402][ T7702] ? notify_change+0xca2/0xfb0 [ 59.094288][ T7702] invalid_op+0x14/0x20 [ 59.098518][ T7702] RIP: 0010:notify_change+0xca2/0xfb0 [ 59.103895][ T7702] Code: 14 52 0a 00 e8 ff ab b7 ff 4c 8b 7c 24 20 4c 89 ff e8 b2 87 4a 01 89 de 4c 89 ff e8 98 a3 4a 01 e9 33 fa ff ff e8 de ab b7 ff <0f> 0b e9 42 f4 ff ff e8 d2 ab b7 ff 44 89 f3 4c 89 ea 48 b8 00 00 [ 59.123798][ T7702] RSP: 0018:ffff8880a55274c0 EFLAGS: 00010293 [ 59.129992][ T7702] RAX: ffff88808e93a240 RBX: 0000000000004200 RCX: ffffffff81b8d762 [ 59.138233][ T7702] RDX: 0000000000000000 RSI: ffffffff81b8e322 RDI: 0000000000000007 [ 59.146326][ T7702] RBP: ffff8880a5527510 R08: ffff88808e93a240 R09: ffffed1014871984 [ 59.154738][ T7702] R10: ffffed1014871983 R11: ffff8880a438cc1f R12: ffff8880a5527560 [ 59.162709][ T7702] R13: ffff8880a438cb40 R14: 0000000000000000 R15: ffff8880a55275f0 [ 59.171113][ T7702] ? notify_change+0xe2/0xfb0 [ 59.175824][ T7702] ? notify_change+0xca2/0xfb0 [ 59.180594][ T7702] file_remove_privs+0x2a9/0x480 [ 59.185598][ T7702] ? dentry_needs_remove_privs.part.0+0x80/0x80 [ 59.192216][ T7702] ? lock_downgrade+0x880/0x880 [ 59.203666][ T7702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.216397][ T7702] ? kasan_check_read+0x11/0x20 [ 59.221610][ T7702] __generic_file_write_iter+0x15e/0x630 [ 59.227431][ T7702] blkdev_write_iter+0x23a/0x440 [ 59.232387][ T7702] ? __blkdev_get+0x1660/0x1660 [ 59.237241][ T7702] ? current_time+0x6b/0x140 [ 59.241828][ T7702] ? find_held_lock+0x35/0x130 [ 59.246611][ T7702] do_iter_readv_writev+0x5e1/0x8e0 [ 59.252191][ T7702] ? common_file_perm+0x238/0x720 [ 59.257309][ T7702] ? vfs_dedupe_file_range+0x780/0x780 [ 59.262959][ T7702] ? apparmor_file_permission+0x25/0x30 [ 59.269004][ T7702] ? rw_verify_area+0x118/0x360 [ 59.274249][ T7702] do_iter_write+0x184/0x610 [ 59.279270][ T7702] ? rcu_read_lock_sched_held+0x110/0x130 [ 59.285176][ T7702] ? __kmalloc+0x5d5/0x740 [ 59.289937][ T7702] vfs_iter_write+0x77/0xb0 [ 59.294697][ T7702] iter_file_splice_write+0x662/0xbe0 [ 59.300187][ T7702] ? atime_needs_update+0x5f0/0x5f0 [ 59.305532][ T7702] ? page_cache_pipe_buf_confirm+0x2b0/0x2b0 [ 59.311989][ T7702] ? rw_verify_area+0x118/0x360 [ 59.316934][ T7702] ? page_cache_pipe_buf_confirm+0x2b0/0x2b0 [ 59.323337][ T7702] direct_splice_actor+0x126/0x1a0 [ 59.328739][ T7702] splice_direct_to_actor+0x369/0x970 [ 59.334447][ T7702] ? generic_pipe_buf_nosteal+0x10/0x10 [ 59.340197][ T7702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.346528][ T7702] ? do_splice_to+0x190/0x190 [ 59.351317][ T7702] ? rw_verify_area+0x118/0x360 [ 59.356276][ T7702] do_splice_direct+0x1da/0x2a0 [ 59.361211][ T7702] ? splice_direct_to_actor+0x970/0x970 [ 59.366758][ T7702] ? rw_verify_area+0x118/0x360 [ 59.371920][ T7702] do_sendfile+0x597/0xd00 [ 59.376442][ T7702] ? do_compat_pwritev64+0x1c0/0x1c0 [ 59.381844][ T7702] ? __fget_light+0x1a9/0x230 [ 59.387278][ T7702] __x64_sys_sendfile64+0x1dd/0x220 [ 59.393693][ T7702] ? __ia32_sys_sendfile+0x230/0x230 [ 59.399397][ T7702] ? do_syscall_64+0x26/0x610 [ 59.404172][ T7702] ? lockdep_hardirqs_on+0x418/0x5d0 [ 59.409523][ T7702] ? trace_hardirqs_on+0x67/0x230 [ 59.415062][ T7702] do_syscall_64+0x103/0x610 [ 59.419871][ T7702] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.426213][ T7702] RIP: 0033:0x4455f9 [ 59.430485][ T7702] Code: e8 ac ab 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 bb cd fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.451277][ T7702] RSP: 002b:00007fff3d479678 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 59.460378][ T7702] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004455f9 [ 59.468342][ T7702] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003 [ 59.476544][ T7702] RBP: 000000000000e3f3 R08: 00000000004028d0 R09: 00000000004028d0 [ 59.485161][ T7702] R10: 000000000200000d R11: 0000000000000246 R12: 0000000000402840 [ 59.493671][ T7702] R13: 00000000004028d0 R14: 0000000000000000 R15: 0000000000000000 [ 59.503097][ T7702] Kernel Offset: disabled [ 59.507546][ T7702] Rebooting in 86400 seconds..