[info] Using makefile-style concurrent boot in runlevel 2. [ 24.300572] audit: type=1800 audit(1537930763.474:21): pid=5417 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 24.337895] audit: type=1800 audit(1537930763.474:22): pid=5417 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.39' (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 syzkaller login: [ 42.852332] WARNING: CPU: 1 PID: 5615 at fs/attr.c:234 notify_change+0xda8/0x1110 [ 42.860050] Kernel panic - not syncing: panic_on_warn set ... [ 42.860050] [ 42.867448] CPU: 1 PID: 5615 Comm: syz-executor788 Not tainted 4.19.0-rc5-next-20180925+ #80 [ 42.876028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.885391] Call Trace: [ 42.888011] dump_stack+0x1d3/0x2c4 [ 42.891651] ? dump_stack_print_info.cold.2+0x52/0x52 [ 42.896856] panic+0x238/0x4e7 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.900068] ? add_taint.cold.5+0x16/0x16 [ 42.904238] ? __warn.cold.8+0x148/0x1ba [ 42.908311] ? __warn.cold.8+0x117/0x1ba [ 42.912391] ? notify_change+0xda8/0x1110 [ 42.916551] __warn.cold.8+0x163/0x1ba [ 42.920444] ? rcu_softirq_qs+0x20/0x20 [ 42.924409] ? notify_change+0xda8/0x1110 [ 42.928561] report_bug+0x254/0x2d0 [ 42.932194] do_error_trap+0x11b/0x200 [ 42.936072] do_invalid_op+0x36/0x40 [ 42.939783] ? notify_change+0xda8/0x1110 [ 42.944029] invalid_op+0x14/0x20 [ 42.947491] RIP: 0010:notify_change+0xda8/0x1110 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.952247] Code: 4c 89 ef e8 9a 5d 0d 00 e8 a5 c3 a7 ff 4c 89 f7 e8 ed 83 83 01 44 89 e6 4c 89 f7 e8 22 a3 83 01 e9 ea f9 ff ff e8 88 c3 a7 ff <0f> 0b e9 c3 f3 ff ff e8 7c c3 a7 ff 48 89 da 41 83 cf 01 48 b8 00 [ 42.971149] RSP: 0018:ffff8801c868f3e0 EFLAGS: 00010293 [ 42.976529] RAX: ffff8801d8dbe480 RBX: ffff8801d1ceb100 RCX: ffffffff81d589f4 [ 42.983800] RDX: 0000000000000000 RSI: ffffffff81d59638 RDI: 0000000000000007 [ 42.991068] RBP: ffff8801c868f4b0 R08: ffff8801d8dbe480 R09: ffffed003a39d63b executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.998346] R10: ffffed003a39d63b R11: ffff8801d1ceb1df R12: 0000000000004200 [ 43.005627] R13: ffff8801c868f4f0 R14: ffff8801d4911720 R15: 1ffff100390d1e88 [ 43.012926] ? notify_change+0x164/0x1110 [ 43.017092] ? notify_change+0xda8/0x1110 [ 43.021269] ? setattr_prepare+0x830/0x830 [ 43.025522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.031076] ? security_inode_need_killpriv+0x80/0xa0 [ 43.036272] file_remove_privs+0x2d5/0x540 [ 43.040517] ? unwind_get_return_address+0x61/0xa0 [ 43.045465] ? dentry_needs_remove_privs.part.25+0x70/0x70 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.051107] ? blk_lld_busy+0x70/0x70 [ 43.054937] __generic_file_write_iter+0x169/0x630 [ 43.059881] ? kasan_kmalloc+0xc7/0xe0 [ 43.063778] ? __kmalloc+0x14e/0x760 [ 43.067508] blkdev_write_iter+0x23d/0x450 [ 43.071759] ? blkdev_close+0xb0/0xb0 [ 43.075588] do_iter_readv_writev+0x8b0/0xa80 [ 43.080099] ? vfs_dedupe_file_range+0x670/0x670 [ 43.084864] ? apparmor_file_permission+0x24/0x30 [ 43.089725] ? rw_verify_area+0x118/0x360 [ 43.093889] do_iter_write+0x185/0x5f0 [ 43.097802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.103357] vfs_iter_write+0x77/0xb0 [ 43.107180] iter_file_splice_write+0x90d/0x1050 [ 43.111964] ? page_cache_pipe_buf_steal+0x860/0x860 [ 43.117116] ? rw_verify_area+0x118/0x360 [ 43.121282] ? page_cache_pipe_buf_steal+0x860/0x860 [ 43.126404] direct_splice_actor+0x128/0x190 [ 43.130835] splice_direct_to_actor+0x318/0x8f0 [ 43.135528] ? pipe_to_sendpage+0x400/0x400 [ 43.139892] ? do_splice_to+0x190/0x190 [ 43.143881] ? security_file_permission+0x1c2/0x230 [ 43.148914] ? rw_verify_area+0x118/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.153080] do_splice_direct+0x2d4/0x420 [ 43.157246] ? splice_direct_to_actor+0x8f0/0x8f0 [ 43.162101] ? apparmor_file_permission+0x24/0x30 [ 43.166963] ? rw_verify_area+0x118/0x360 [ 43.171145] do_sendfile+0x62a/0xe20 [ 43.174880] ? do_compat_pwritev64+0x1c0/0x1c0 [ 43.179487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 43.185047] ? _copy_from_user+0xdf/0x150 [ 43.189217] __x64_sys_sendfile64+0x15d/0x250 [ 43.193728] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 43.198323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.203869] ? ksys_ioctl+0x81/0xd0 [ 43.207518] do_syscall_64+0x1b9/0x820 [ 43.211418] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 43.216795] ? syscall_return_slowpath+0x5e0/0x5e0 [ 43.221736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.226595] ? trace_hardirqs_off+0x310/0x310 [ 43.231715] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 43.236747] ? prepare_exit_to_usermode+0x291/0x3b0 [ 43.241781] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.246644] entry_SYSCALL_64_after_hwframe+0x49/0xbe executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.251843] RIP: 0033:0x444ca9 [ 43.255047] Code: e8 ac 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 2b ce fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 43.273957] RSP: 002b:00007ffe0e684648 EFLAGS: 00000286 ORIG_RAX: 0000000000000028 [ 43.281691] RAX: ffffffffffffffda RBX: 0000000020000040 RCX: 0000000000444ca9 [ 43.288967] RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003 [ 43.296263] RBP: 0000000000000000 R08: 00000000004002e0 R09: 00000000004002e0 executing program executing program executing program [ 43.303536] R10: 0000000002000005 R11: 0000000000000286 R12: 000000000000a6e4 [ 43.310812] R13: 0000000000401ff0 R14: 0000000000000000 R15: 0000000000000000 [ 43.319350] Kernel Offset: disabled [ 43.323049] Rebooting in 86400 seconds..