[ 35.414113][ T26] audit: type=1800 audit(1554421672.723:27): pid=7459 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 35.441468][ T26] audit: type=1800 audit(1554421672.723:28): pid=7459 uid=0 auid=4294967295 ses=4294967295 subj=_ 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. [ 36.254435][ T26] audit: type=1800 audit(1554421673.613:29): pid=7459 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 36.282760][ T26] audit: type=1800 audit(1554421673.623:30): pid=7459 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.188' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 45.651517][ T7617] WARNING: CPU: 1 PID: 7617 at fs/attr.c:234 notify_change+0xca2/0xfb0 [ 45.659782][ T7617] Kernel panic - not syncing: panic_on_warn set ... [ 45.666445][ T7617] CPU: 1 PID: 7617 Comm: syz-executor885 Not tainted 5.1.0-rc3+ #51 [ 45.674401][ T7617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.684437][ T7617] Call Trace: [ 45.687713][ T7617] dump_stack+0x172/0x1f0 [ 45.692022][ T7617] ? notify_change+0xc80/0xfb0 [ 45.696767][ T7617] panic+0x2cb/0x65c [ 45.700641][ T7617] ? __warn_printk+0xf3/0xf3 [ 45.705223][ T7617] ? notify_change+0xca2/0xfb0 [ 45.709967][ T7617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.716187][ T7617] ? __warn.cold+0x5/0x45 [ 45.720493][ T7617] ? __warn+0xe8/0x1d0 [ 45.724540][ T7617] ? notify_change+0xca2/0xfb0 [ 45.729367][ T7617] __warn.cold+0x20/0x45 [ 45.733585][ T7617] ? notify_change+0xca2/0xfb0 [ 45.738330][ T7617] report_bug+0x263/0x2b0 [ 45.742650][ T7617] do_error_trap+0x11b/0x200 [ 45.747229][ T7617] do_invalid_op+0x37/0x50 [ 45.751619][ T7617] ? notify_change+0xca2/0xfb0 [ 45.756373][ T7617] invalid_op+0x14/0x20 [ 45.760506][ T7617] RIP: 0010:notify_change+0xca2/0xfb0 [ 45.765866][ T7617] 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 [ 45.785695][ T7617] RSP: 0018:ffff8880896374c0 EFLAGS: 00010293 [ 45.791746][ T7617] RAX: ffff88808dbcc3c0 RBX: 0000000000004200 RCX: ffffffff81b8d762 [ 45.799702][ T7617] RDX: 0000000000000000 RSI: ffffffff81b8e322 RDI: 0000000000000007 [ 45.807676][ T7617] RBP: ffff888089637510 R08: ffff88808dbcc3c0 R09: ffffed10147f1ee8 [ 45.815623][ T7617] R10: ffffed10147f1ee7 R11: ffff8880a3f8f73f R12: ffff888089637560 [ 45.823579][ T7617] R13: ffff8880a3f8f660 R14: 0000000000000000 R15: ffff8880896375f0 [ 45.831548][ T7617] ? notify_change+0xe2/0xfb0 [ 45.836199][ T7617] ? notify_change+0xca2/0xfb0 [ 45.840944][ T7617] file_remove_privs+0x2a9/0x480 [ 45.845859][ T7617] ? dentry_needs_remove_privs.part.0+0x80/0x80 [ 45.852074][ T7617] ? __kernel_text_address+0xd/0x40 [ 45.857248][ T7617] ? unwind_get_return_address+0x61/0xa0 [ 45.862855][ T7617] ? __save_stack_trace+0x99/0x100 [ 45.867947][ T7617] __generic_file_write_iter+0x15e/0x630 [ 45.873567][ T7617] blkdev_write_iter+0x23a/0x440 [ 45.878483][ T7617] ? __blkdev_get+0x1660/0x1660 [ 45.883315][ T7617] ? current_time+0x6b/0x140 [ 45.887914][ T7617] ? find_held_lock+0x35/0x130 [ 45.892678][ T7617] do_iter_readv_writev+0x5e1/0x8e0 [ 45.897856][ T7617] ? vfs_dedupe_file_range+0x780/0x780 [ 45.903292][ T7617] ? rw_verify_area+0x118/0x360 [ 45.908124][ T7617] do_iter_write+0x184/0x610 [ 45.912695][ T7617] ? rcu_read_lock_sched_held+0x110/0x130 [ 45.918395][ T7617] ? __kmalloc+0x5d5/0x740 [ 45.922796][ T7617] vfs_iter_write+0x77/0xb0 [ 45.927279][ T7617] iter_file_splice_write+0x662/0xbe0 [ 45.932637][ T7617] ? atime_needs_update+0x5f0/0x5f0 [ 45.937830][ T7617] ? page_cache_pipe_buf_confirm+0x2b0/0x2b0 [ 45.943806][ T7617] ? rw_verify_area+0x118/0x360 [ 45.948635][ T7617] ? page_cache_pipe_buf_confirm+0x2b0/0x2b0 [ 45.954591][ T7617] direct_splice_actor+0x126/0x1a0 [ 45.959681][ T7617] splice_direct_to_actor+0x369/0x970 [ 45.965030][ T7617] ? generic_pipe_buf_nosteal+0x10/0x10 [ 45.970556][ T7617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.976774][ T7617] ? do_splice_to+0x190/0x190 [ 45.981459][ T7617] ? rw_verify_area+0x118/0x360 [ 45.986312][ T7617] do_splice_direct+0x1da/0x2a0 [ 45.991233][ T7617] ? splice_direct_to_actor+0x970/0x970 [ 45.996762][ T7617] ? rw_verify_area+0x118/0x360 [ 46.001589][ T7617] do_sendfile+0x597/0xd00 [ 46.005987][ T7617] ? do_compat_pwritev64+0x1c0/0x1c0 [ 46.011264][ T7617] __x64_sys_sendfile64+0x1dd/0x220 [ 46.016438][ T7617] ? __ia32_sys_sendfile+0x230/0x230 [ 46.021696][ T7617] ? do_syscall_64+0x26/0x610 [ 46.026351][ T7617] ? lockdep_hardirqs_on+0x418/0x5d0 [ 46.031623][ T7617] ? trace_hardirqs_on+0x67/0x230 [ 46.036642][ T7617] do_syscall_64+0x103/0x610 [ 46.041210][ T7617] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.047074][ T7617] RIP: 0033:0x4455f9 [ 46.050964][ T7617] 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 [ 46.070556][ T7617] RSP: 002b:00007ffc90b2f6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 46.078943][ T7617] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004455f9 [ 46.086891][ T7617] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003 [ 46.094836][ T7617] RBP: 000000000000afea R08: 00000000004028d0 R09: 00000000004028d0 [ 46.102799][ T7617] R10: 000000000200000d R11: 0000000000000246 R12: 0000000000402840 [ 46.110756][ T7617] R13: 00000000004028d0 R14: 0000000000000000 R15: 0000000000000000 [ 46.120158][ T7617] Kernel Offset: disabled [ 46.124561][ T7617] Rebooting in 86400 seconds..