[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 80.039310][ T26] audit: type=1800 audit(1559657061.448:33): pid=9419 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 80.061121][ T26] audit: type=1800 audit(1559657061.458:34): pid=9419 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 82.440020][ T26] audit: type=1400 audit(1559657063.848:35): avc: denied { map } for pid=9596 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.5' (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 [ 88.980438][ T26] audit: type=1400 audit(1559657070.388:36): avc: denied { map } for pid=9608 comm="syz-executor099" path="/root/syz-executor099234471" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 88.996280][ T9618] md: md0 stopped. [ 89.021607][ T9631] md: md0 stopped. executing program executing program executing program executing program [ 89.032042][ T9636] md: md0 stopped. [ 89.042055][ T9638] md: md0 stopped. [ 89.047750][ T9639] md: md0 stopped. [ 89.052311][ T9647] WARNING: CPU: 0 PID: 9647 at drivers/md/md.c:7169 md_ioctl+0x4017/0x5980 [ 89.061377][ T9647] Kernel panic - not syncing: panic_on_warn set ... [ 89.068040][ T9647] CPU: 0 PID: 9647 Comm: syz-executor099 Not tainted 5.2.0-rc3+ #12 [ 89.076041][ T9647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.086093][ T9647] Call Trace: [ 89.089399][ T9647] dump_stack+0x172/0x1f0 [ 89.093766][ T9647] ? md_ioctl+0x3f20/0x5980 [ 89.098364][ T9647] panic+0x2cb/0x744 [ 89.102289][ T9647] ? __warn_printk+0xf3/0xf3 [ 89.106908][ T9647] ? md_ioctl+0x4017/0x5980 [ 89.111491][ T9647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.117822][ T9647] ? __warn.cold+0x5/0x4d [ 89.122148][ T9647] ? __warn+0xe8/0x1d0 [ 89.126236][ T9647] ? md_ioctl+0x4017/0x5980 executing program [ 89.130752][ T9647] __warn.cold+0x20/0x4d [ 89.135110][ T9647] ? kernel_text_address+0x73/0xf0 [ 89.140230][ T9647] ? md_ioctl+0x4017/0x5980 [ 89.144770][ T9647] report_bug+0x263/0x2b0 [ 89.149114][ T9647] do_error_trap+0x11b/0x200 [ 89.153726][ T9647] do_invalid_op+0x37/0x50 [ 89.158147][ T9647] ? md_ioctl+0x4017/0x5980 [ 89.162663][ T9647] invalid_op+0x14/0x20 [ 89.166809][ T9647] RIP: 0010:md_ioctl+0x4017/0x5980 [ 89.171949][ T9647] Code: fd ff ff c7 80 40 01 00 00 00 00 00 00 e9 e0 eb ff ff 48 8d 85 38 fe ff ff 48 89 85 b8 fd ff ff e9 01 db ff ff e8 b9 0c 8e fc <0f> 0b e9 04 cd ff ff e8 ad 0c 8e fc 89 de bf 23 09 48 40 e8 21 0e [ 89.191583][ T9647] RSP: 0018:ffff888096027950 EFLAGS: 00010293 [ 89.197680][ T9647] RAX: ffff88809322c380 RBX: 0000000000000932 RCX: ffffffff84e266f2 [ 89.205672][ T9647] RDX: 0000000000000000 RSI: ffffffff84e299f7 RDI: 0000000000000007 [ 89.213670][ T9647] RBP: ffff888096027bc0 R08: ffff88809322c380 R09: ffffed101341a482 [ 89.221662][ T9647] R10: ffff888096027940 R11: ffff88809a0d240f R12: 0000000000000932 [ 89.229673][ T9647] R13: ffff8880a2c14100 R14: ffff88809a0d2268 R15: ffff88809a0d2408 [ 89.237665][ T9647] ? md_ioctl+0xd12/0x5980 [ 89.242086][ T9647] ? md_ioctl+0x4017/0x5980 [ 89.246592][ T9647] ? save_stack+0x5c/0x90 [ 89.250923][ T9647] ? save_stack+0x23/0x90 [ 89.255260][ T9647] ? __kasan_slab_free+0x102/0x150 [ 89.260374][ T9647] ? kasan_slab_free+0xe/0x10 [ 89.266093][ T9647] ? kfree+0xcf/0x220 [ 89.270086][ T9647] ? add_new_disk+0x18c0/0x18c0 [ 89.274939][ T9647] ? debug_check_no_obj_freed+0x200/0x464 [ 89.280664][ T9647] ? find_held_lock+0x35/0x130 [ 89.285456][ T9647] ? debug_check_no_obj_freed+0x200/0x464 [ 89.291219][ T9647] ? kasan_check_write+0x14/0x20 [ 89.296249][ T9647] ? lock_downgrade+0x880/0x880 [ 89.301111][ T9647] ? tomoyo_path_number_perm+0x214/0x520 [ 89.306967][ T9647] ? find_held_lock+0x35/0x130 [ 89.311762][ T9647] ? tomoyo_path_number_perm+0x214/0x520 [ 89.317405][ T9647] ? kfree+0x170/0x220 [ 89.321499][ T9647] ? lock_downgrade+0x880/0x880 [ 89.326445][ T9647] ? add_new_disk+0x18c0/0x18c0 [ 89.331291][ T9647] blkdev_ioctl+0xece/0x1c10 [ 89.335883][ T9647] ? blkpg_ioctl+0xa90/0xa90 [ 89.340481][ T9647] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 89.346660][ T9647] ? debug_check_no_obj_freed+0x200/0x464 [ 89.352405][ T9647] ? ___might_sleep+0x163/0x280 [ 89.357267][ T9647] block_ioctl+0xee/0x130 [ 89.361622][ T9647] ? blkdev_fallocate+0x410/0x410 [ 89.366672][ T9647] do_vfs_ioctl+0xd5f/0x1380 [ 89.371305][ T9647] ? ioctl_preallocate+0x210/0x210 [ 89.376458][ T9647] ? selinux_file_mprotect+0x620/0x620 [ 89.381924][ T9647] ? __fget+0x381/0x550 [ 89.387411][ T9647] ? ksys_dup3+0x3e0/0x3e0 [ 89.391830][ T9647] ? tomoyo_file_ioctl+0x23/0x30 [ 89.396773][ T9647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.403054][ T9647] ? security_file_ioctl+0x8d/0xc0 [ 89.408178][ T9647] ksys_ioctl+0xab/0xd0 [ 89.412335][ T9647] __x64_sys_ioctl+0x73/0xb0 [ 89.416949][ T9647] do_syscall_64+0xfd/0x680 [ 89.421575][ T9647] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.427480][ T9647] RIP: 0033:0x4467b9 [ 89.431420][ T9647] Code: e8 0c 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 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.451059][ T9647] RSP: 002b:00007f1c02594db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 89.459490][ T9647] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004467b9 [ 89.467465][ T9647] RDX: 0000000000000000 RSI: 0000000000000932 RDI: 0000000000000003 [ 89.475527][ T9647] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 89.483612][ T9647] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 89.491588][ T9647] R13: 00007ffd713f38ff R14: 00007f1c025959c0 R15: 0000000000000000 [ 89.500913][ T9647] Kernel Offset: disabled [ 89.505402][ T9647] Rebooting in 86400 seconds..