[ 34.232703] audit: type=1800 audit(1575331719.713:33): pid=6946 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
[ 34.254848] audit: type=1800 audit(1575331719.713:34): pid=6946 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
Debian GNU/Linux 7 syzkaller ttyS0
syzkaller login: [ 37.799308] random: sshd: uninitialized urandom read (32 bytes read)
[ 38.192454] audit: type=1400 audit(1575331723.673:35): avc: denied { map } for pid=7120 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
[ 38.243319] random: sshd: uninitialized urandom read (32 bytes read)
[ 38.813892] random: sshd: uninitialized urandom read (32 bytes read)
[ 38.998340] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.1.62' (ECDSA) to the list of known hosts.
[ 44.567365] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[ 44.684357] audit: type=1400 audit(1575331730.163:36): avc: denied { map } for pid=7132 comm="syz-executor493" path="/root/syz-executor493755317" 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
[ 44.771151] divide error: 0000 [#1] PREEMPT SMP KASAN
[ 44.771155] Modules linked in:
[ 44.771163] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.14.157-syzkaller #0
[ 44.771166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 44.771180] Workqueue: events console_callback
[ 44.771186] task: ffff8880a9ec6600 task.stack: ffff8880a9ed0000
[ 44.771196] RIP: 0010:fbcon_switch+0x1e3/0x1820
[ 44.771199] RSP: 0018:ffff8880a9ed7a38 EFLAGS: 00010246
[ 44.771206] RAX: 0000000000008000 RBX: 0000000000000000 RCX: 1ffffffff0e0fe85
[ 44.771210] RDX: 0000000000000000 RSI: ffffffff8a4650a0 RDI: ffff88809bc76ffc
[ 44.771215] RBP: ffff8880a9ed7ba8 R08: ffff8880a9ec6600 R09: ffff8880a9ec6ef0
[ 44.771218] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 44.771221] R13: ffff88809bc76cc0 R14: ffff8880a5f28e00 R15: ffff8880a5ff0040
[ 44.771226] FS: 0000000000000000(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000
[ 44.771230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 44.771234] CR2: 00007f160139a000 CR3: 0000000092f02000 CR4: 00000000001406e0
[ 44.771242] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 44.771245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 44.771247] Call Trace:
[ 44.771258] ? fbcon_set_def_font+0x360/0x360
[ 44.771268] ? mark_held_locks+0xb1/0x100
[ 44.771277] ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 44.771283] ? trace_hardirqs_on_caller+0x400/0x590
[ 44.771290] ? kernfs_put+0x35e/0x490
[ 44.771297] ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 44.771303] ? fbcon_set_origin+0x21/0x50
[ 44.771308] ? fbcon_scrolldelta+0x1100/0x1100
[ 44.771314] ? set_origin+0x108/0x3c0
[ 44.771321] redraw_screen+0x335/0x7c0
[ 44.771328] ? con_flush_chars+0x90/0x90
[ 44.771333] ? get_color+0x1bf/0x3b0
[ 44.771342] complete_change_console+0xfe/0x360
[ 44.771349] change_console+0x161/0x270
[ 44.771356] console_callback+0x337/0x390
[ 44.771362] ? poke_blanked_console+0x1d0/0x1d0
[ 44.771369] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[ 44.771378] process_one_work+0x863/0x1600
[ 44.771386] ? pwq_dec_nr_in_flight+0x2e0/0x2e0
[ 44.771395] worker_thread+0x5d9/0x1050
[ 44.771408] kthread+0x319/0x430
[ 44.771413] ? process_one_work+0x1600/0x1600
[ 44.771418] ? kthread_create_on_node+0xd0/0xd0
[ 44.771424] ret_from_fork+0x24/0x30
[ 44.771430] Code: c0 03 4c 89 3d df 68 1f 07 4c 89 3d 58 68 1f 07 38 d0 7c 08 84 d2 0f 85 51 14 00 00 45 8b a5 3c 03 00 00 31 d2 8b 05 dd 14 0f 05 <41> f7 f4 83 f8 05 89 85 c0 fe ff ff 0f 8e 51 0c 00 00 e8 26 42
[ 44.771555] RIP: fbcon_switch+0x1e3/0x1820 RSP: ffff8880a9ed7a38
[ 44.771563] ---[ end trace 8bb085bebb278621 ]---
[ 44.771567] Kernel panic - not syncing: Fatal exception
[ 44.772968] Kernel Offset: disabled
[ 45.037174] Rebooting in 86400 seconds..