[ 36.566433] audit: type=1800 audit(1584004623.195:33): pid=7321 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=2465 res=0 [ 36.593288] audit: type=1800 audit(1584004623.195:34): pid=7321 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=2456 res=0 [ 37.163666] random: sshd: uninitialized urandom read (32 bytes read) [ 37.380394] audit: type=1400 audit(1584004624.005:35): avc: denied { map } for pid=7490 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 [ 37.431038] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 38.159315] random: sshd: uninitialized urandom read (32 bytes read) [ 38.354673] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.85' (ECDSA) to the list of known hosts. [ 43.947711] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 44.073166] audit: type=1400 audit(1584004630.705:36): avc: denied { map } for pid=7502 comm="syz-executor248" path="/root/syz-executor248623581" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 44.078197] FAULT_INJECTION: forcing a failure. [ 44.078197] name failslab, interval 1, probability 0, space 0, times 1 [ 44.111176] CPU: 1 PID: 7502 Comm: syz-executor248 Not tainted 4.14.173-syzkaller #0 [ 44.119169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.128734] Call Trace: [ 44.131390] dump_stack+0x13e/0x194 [ 44.135137] should_fail.cold+0x10a/0x14b [ 44.139278] should_failslab+0xd6/0x130 [ 44.143245] __kmalloc+0x2e9/0x7c0 [ 44.146792] ? register_shrinker+0xb8/0x210 [ 44.151099] ? lock_acquire+0x170/0x3f0 [ 44.155063] ? lock_downgrade+0x6e0/0x6e0 [ 44.159194] register_shrinker+0xb8/0x210 [ 44.163328] sget_userns+0x9c5/0xc30 [ 44.167066] ? set_bdev_super+0x110/0x110 [ 44.171312] ? ns_test_super+0x50/0x50 [ 44.175196] ? set_bdev_super+0x110/0x110 [ 44.179322] ? ns_test_super+0x50/0x50 [ 44.183201] sget+0xd1/0x110 [ 44.186205] mount_bdev+0xcd/0x370 [ 44.189741] ? fuse_get_root_inode+0xc0/0xc0 [ 44.194134] mount_fs+0x92/0x2a0 [ 44.197549] vfs_kern_mount.part.0+0x5b/0x3c0 [ 44.202031] do_mount+0x3c9/0x24f0 [ 44.205571] ? copy_mount_string+0x40/0x40 [ 44.209799] ? __might_fault+0x177/0x1b0 [ 44.213845] ? _copy_from_user+0x94/0x100 [ 44.217990] ? memdup_user+0x54/0xa0 [ 44.221687] ? copy_mount_options+0x1ec/0x2e0 [ 44.226440] ? copy_mnt_ns+0x8a0/0x8a0 [ 44.230307] SyS_mount+0xa8/0x120 [ 44.233840] ? copy_mnt_ns+0x8a0/0x8a0 [ 44.237741] do_syscall_64+0x1d5/0x640 [ 44.241623] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.246830] RIP: 0033:0x4405a9 [ 44.250025] RSP: 002b:00007ffe4e6418d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 44.257742] RAX: ffffffffffffffda RBX: 00007ffe4e6418e0 RCX: 00000000004405a9 [ 44.265001] RDX: 0000000020000340 RSI: 0000000020000140 RDI: 0000000020000080 [ 44.272275] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000003431 [ 44.279731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401e30 [ 44.287006] R13: 0000000000401ec0 R14: 0000000000000000 R15: 0000000000000000 [ 44.297051] ------------[ cut here ]------------ [ 44.301932] WARNING: CPU: 1 PID: 7502 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 44.309836] Kernel panic - not syncing: panic_on_warn set ... [ 44.309836] [ 44.317195] CPU: 1 PID: 7502 Comm: syz-executor248 Not tainted 4.14.173-syzkaller #0 [ 44.325061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.334411] Call Trace: [ 44.336985] dump_stack+0x13e/0x194 [ 44.340686] panic+0x1f9/0x42d [ 44.343890] ? add_taint.cold+0x16/0x16 [ 44.347869] ? kill_block_super+0xbe/0xe0 [ 44.352013] ? kill_block_super+0xbe/0xe0 [ 44.356158] __warn.cold+0x2f/0x30 [ 44.359694] ? ist_end_non_atomic+0x10/0x10 [ 44.363999] ? kill_block_super+0xbe/0xe0 [ 44.368129] report_bug+0x20a/0x248 [ 44.371744] do_error_trap+0x195/0x2d0 [ 44.376352] ? math_error+0x2d0/0x2d0 [ 44.380134] ? save_trace+0x290/0x290 [ 44.384450] ? save_trace+0x290/0x290 [ 44.388244] ? lock_downgrade+0x6e0/0x6e0 [ 44.392393] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.397319] invalid_op+0x1b/0x40 [ 44.400762] RIP: 0010:kill_block_super+0xbe/0xe0 [ 44.405613] RSP: 0018:ffff8880769c7c08 EFLAGS: 00010297 [ 44.411017] RAX: ffff8880a4de25c0 RBX: 0000000000000000 RCX: 1ffff110149bc5c6 [ 44.422286] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a697c4e0 [ 44.429549] RBP: ffff888089f165c0 R08: 0000000000000001 R09: 0000000000000001 [ 44.436920] R10: ffff8880a4de2e90 R11: ffff8880a4de25c0 R12: ffff8880a697c140 [ 44.444455] R13: ffff888089f16700 R14: ffffffff87d53540 R15: dffffc0000000000 [ 44.451739] ? kill_block_super+0xbe/0xe0 [ 44.455954] deactivate_locked_super+0x6c/0xd0 [ 44.460518] sget_userns+0x9df/0xc30 [ 44.464225] ? set_bdev_super+0x110/0x110 [ 44.468537] ? ns_test_super+0x50/0x50 [ 44.472495] ? set_bdev_super+0x110/0x110 [ 44.476632] ? ns_test_super+0x50/0x50 [ 44.480512] sget+0xd1/0x110 [ 44.483521] mount_bdev+0xcd/0x370 [ 44.487041] ? fuse_get_root_inode+0xc0/0xc0 [ 44.491433] mount_fs+0x92/0x2a0 [ 44.494799] vfs_kern_mount.part.0+0x5b/0x3c0 [ 44.499295] do_mount+0x3c9/0x24f0 [ 44.502946] ? copy_mount_string+0x40/0x40 [ 44.507270] ? __might_fault+0x177/0x1b0 [ 44.511324] ? _copy_from_user+0x94/0x100 [ 44.515471] ? memdup_user+0x54/0xa0 [ 44.519181] ? copy_mount_options+0x1ec/0x2e0 [ 44.523741] ? copy_mnt_ns+0x8a0/0x8a0 [ 44.527701] SyS_mount+0xa8/0x120 [ 44.531259] ? copy_mnt_ns+0x8a0/0x8a0 [ 44.535138] do_syscall_64+0x1d5/0x640 [ 44.539022] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.544218] RIP: 0033:0x4405a9 [ 44.547405] RSP: 002b:00007ffe4e6418d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 44.556436] RAX: ffffffffffffffda RBX: 00007ffe4e6418e0 RCX: 00000000004405a9 [ 44.564308] RDX: 0000000020000340 RSI: 0000000020000140 RDI: 0000000020000080 [ 44.571569] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000003431 [ 44.578993] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401e30 [ 44.586275] R13: 0000000000401ec0 R14: 0000000000000000 R15: 0000000000000000 [ 44.595339] Kernel Offset: disabled [ 44.599035] Rebooting in 86400 seconds..