[ 36.811227][ T26] audit: type=1800 audit(1554877782.797:27): pid=7441 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 36.835534][ T26] audit: type=1800 audit(1554877782.797:28): pid=7441 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. [ 37.522594][ T26] audit: type=1800 audit(1554877783.557:29): pid=7441 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 [ 37.542838][ T26] audit: type=1800 audit(1554877783.557:30): pid=7441 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.0.101' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 65.514858][ T7601] WARNING: CPU: 1 PID: 7601 at fs/attr.c:234 notify_change+0xca2/0xfb0 [ 65.525472][ T7601] Kernel panic - not syncing: panic_on_warn set ... [ 65.532082][ T7601] CPU: 1 PID: 7601 Comm: syz-executor886 Not tainted 5.1.0-rc4-next-20190409 #21 [ 65.541358][ T7601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.552203][ T7601] Call Trace: [ 65.556061][ T7601] dump_stack+0x172/0x1f0 [ 65.560401][ T7601] ? notify_change+0xca0/0xfb0 [ 65.565798][ T7601] panic+0x2cb/0x72b [ 65.570650][ T7601] ? __warn_printk+0xf3/0xf3 [ 65.575861][ T7601] ? notify_change+0xca2/0xfb0 [ 65.580843][ T7601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.587479][ T7601] ? __warn.cold+0x5/0x46 [ 65.592115][ T7601] ? __warn+0xe8/0x1d0 [ 65.596683][ T7601] ? notify_change+0xca2/0xfb0 [ 65.601687][ T7601] __warn.cold+0x20/0x46 [ 65.606150][ T7601] ? notify_change+0xca2/0xfb0 [ 65.610984][ T7601] report_bug+0x263/0x2b0 [ 65.615586][ T7601] do_error_trap+0x11b/0x200 [ 65.631278][ T7601] do_invalid_op+0x37/0x50 [ 65.638839][ T7601] ? notify_change+0xca2/0xfb0 [ 65.643702][ T7601] invalid_op+0x14/0x20 [ 65.648410][ T7601] RIP: 0010:notify_change+0xca2/0xfb0 [ 65.654250][ T7601] Code: d4 5b 0a 00 e8 0f cd b6 ff 4c 8b 7c 24 20 4c 89 ff e8 02 b4 4b 01 89 de 4c 89 ff e8 e8 cf 4b 01 e9 33 fa ff ff e8 ee cc b6 ff <0f> 0b e9 42 f4 ff ff e8 e2 cc b6 ff 44 89 f3 4c 89 ea 48 b8 00 00 [ 65.676362][ T7601] RSP: 0018:ffff8880a90cf4c0 EFLAGS: 00010293 [ 65.683312][ T7601] RAX: ffff888092466580 RBX: 0000000000004200 RCX: ffffffff81b9b042 [ 65.693769][ T7601] RDX: 0000000000000000 RSI: ffffffff81b9bc02 RDI: 0000000000000007 [ 65.702516][ T7601] RBP: ffff8880a90cf510 R08: ffff888092466580 R09: ffffed1014869445 [ 65.711379][ T7601] R10: ffffed1014869444 R11: ffff8880a434a227 R12: ffff8880a90cf560 [ 65.719597][ T7601] R13: ffff8880a434a148 R14: 0000000000000000 R15: ffff8880a90cf5f0 [ 65.729340][ T7601] ? notify_change+0xe2/0xfb0 [ 65.734878][ T7601] ? notify_change+0xca2/0xfb0 [ 65.744551][ T7601] file_remove_privs+0x2a9/0x480 [ 65.752716][ T7601] ? dentry_needs_remove_privs.part.0+0x80/0x80 [ 65.759125][ T7601] ? lock_downgrade+0x880/0x880 [ 65.767829][ T7601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.774930][ T7601] ? kasan_check_read+0x11/0x20 [ 65.779812][ T7601] __generic_file_write_iter+0x15e/0x630 [ 65.785577][ T7601] blkdev_write_iter+0x23a/0x440 [ 65.790774][ T7601] ? __blkdev_get+0x1660/0x1660 [ 65.795764][ T7601] ? current_time+0x6b/0x140 [ 65.800578][ T7601] ? find_held_lock+0x35/0x130 [ 65.805923][ T7601] do_iter_readv_writev+0x5e1/0x8e0 [ 65.811307][ T7601] ? common_file_perm+0x238/0x720 [ 65.816875][ T7601] ? vfs_dedupe_file_range+0x780/0x780 [ 65.825053][ T7601] ? apparmor_file_permission+0x25/0x30 [ 65.830856][ T7601] ? rw_verify_area+0x118/0x360 [ 65.836073][ T7601] do_iter_write+0x184/0x610 [ 65.840770][ T7601] ? rcu_read_lock_sched_held+0x110/0x130 [ 65.846772][ T7601] ? __kmalloc+0x5d5/0x740 [ 65.855165][ T7601] vfs_iter_write+0x77/0xb0 [ 65.861685][ T7601] iter_file_splice_write+0x662/0xbe0 [ 65.867162][ T7601] ? atime_needs_update+0x5f0/0x5f0 [ 65.872430][ T7601] ? page_cache_pipe_buf_confirm+0x2b0/0x2b0 [ 65.878508][ T7601] ? rw_verify_area+0x118/0x360 [ 65.883618][ T7601] ? page_cache_pipe_buf_confirm+0x2b0/0x2b0 [ 65.890688][ T7601] direct_splice_actor+0x126/0x1a0 [ 65.896004][ T7601] splice_direct_to_actor+0x369/0x970 [ 65.901621][ T7601] ? generic_pipe_buf_nosteal+0x10/0x10 [ 65.907939][ T7601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.915312][ T7601] ? do_splice_to+0x190/0x190 [ 65.920390][ T7601] ? rw_verify_area+0x118/0x360 [ 65.925384][ T7601] do_splice_direct+0x1da/0x2a0 [ 65.930815][ T7601] ? splice_direct_to_actor+0x970/0x970 [ 65.936420][ T7601] ? rw_verify_area+0x118/0x360 [ 65.941838][ T7601] do_sendfile+0x597/0xd00 [ 65.946385][ T7601] ? do_compat_pwritev64+0x1c0/0x1c0 [ 65.951691][ T7601] ? __x64_sys_futex+0x404/0x590 [ 65.957058][ T7601] __x64_sys_sendfile64+0x1dd/0x220 [ 65.966820][ T7601] ? __ia32_sys_sendfile+0x230/0x230 [ 65.975852][ T7601] ? do_syscall_64+0x26/0x610 [ 65.980565][ T7601] ? lockdep_hardirqs_on+0x418/0x5d0 [ 65.986127][ T7601] ? trace_hardirqs_on+0x67/0x230 [ 65.991575][ T7601] do_syscall_64+0x103/0x610 [ 65.997185][ T7601] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.003371][ T7601] RIP: 0033:0x44a929 [ 66.008037][ T7601] 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 [ 66.028912][ T7601] RSP: 002b:00007f59303cdce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 66.038341][ T7601] RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 000000000044a929 [ 66.048986][ T7601] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003 [ 66.057858][ T7601] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 66.066310][ T7601] R10: 0000400000080001 R11: 0000000000000246 R12: 00000000006dbc4c [ 66.074305][ T7601] R13: 00007ffcbc57543f R14: 00007f59303ce9c0 R15: 20c49ba5e353f7cf [ 66.088249][ T7601] Kernel Offset: disabled [ 66.094294][ T7601] Rebooting in 86400 seconds..