[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Starting mcstransd:
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 37.720626] audit: type=1800 audit(1569703926.043:33): pid=7318 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
Debian GNU/Linux 7 syzkaller ttyS0
syzkaller login: [ 42.095153] kauditd_printk_skb: 1 callbacks suppressed
[ 42.095167] audit: type=1400 audit(1569703930.423:35): avc: denied { map } for pid=7496 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 '10.128.10.42' (ECDSA) to the list of known hosts.
executing program
[ 48.561237] audit: type=1400 audit(1569703936.883:36): avc: denied { map } for pid=7508 comm="syz-executor572" path="/root/syz-executor572341624" 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
[ 48.581914] IPVS: ftp: loaded support on port[0] = 21
[ 48.695511] kasan: CONFIG_KASAN_INLINE enabled
[ 48.700291] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 48.707716] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 48.714086] CPU: 1 PID: 7508 Comm: syz-executor572 Not tainted 4.19.75 #0
[ 48.720992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.730338] RIP: 0010:wait_consider_task+0x140b/0x3910
[ 48.735599] Code: e0 74 49 87 c6 05 0a fc f7 07 01 e8 d6 f5 12 00 e8 fa 8d 2b 00 48 8d 7b 14 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8
[ 48.754495] RSP: 0018:ffff88809458faa0 EFLAGS: 00010203
[ 48.759850] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff813fd453
[ 48.767192] RDX: 0000000000000002 RSI: ffffffff813fd486 RDI: 0000000000000014
[ 48.774458] RBP: ffff88809458fbc8 R08: ffff88808f95a680 R09: ffffed1015d24733
[ 48.781723] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000001d55
[ 48.788991] R13: ffff88809458fcbc R14: ffff88809ad3e300 R15: ffff88809458fcb8
[ 48.796245] FS: 0000555556602880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[ 48.804453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.810313] CR2: 00000000006cc0a0 CR3: 000000008a655000 CR4: 00000000001406e0
[ 48.817582] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 48.824846] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 48.834127] Call Trace:
[ 48.836708] ? __schedule+0x86e/0x1dc0
[ 48.840580] ? release_task+0x1630/0x1630
[ 48.844883] ? lock_acquire+0x16f/0x3f0
[ 48.848936] ? do_wait+0x3aa/0x9d0
[ 48.852467] ? kasan_check_write+0x14/0x20
[ 48.856689] do_wait+0x439/0x9d0
[ 48.860070] ? wait_consider_task+0x3910/0x3910
[ 48.864742] kernel_wait4+0x171/0x290
[ 48.868529] ? __ia32_sys_waitid+0x140/0x140
[ 48.872920] ? task_stopped_code+0x180/0x180
[ 48.877317] ? find_held_lock+0x35/0x130
[ 48.881362] ? __do_page_fault+0x676/0xe90
[ 48.885585] __do_sys_wait4+0x147/0x160
[ 48.889553] ? kernel_wait4+0x290/0x290
[ 48.894469] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 48.899990] ? up_read+0x1a/0x110
[ 48.903426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 48.908949] ? __do_page_fault+0x484/0xe90
[ 48.913173] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 48.917912] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 48.922655] ? do_syscall_64+0x26/0x620
[ 48.926629] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 48.932006] ? do_syscall_64+0x26/0x620
[ 48.935973] __x64_sys_wait4+0x97/0xf0
[ 48.939847] do_syscall_64+0xfd/0x620
[ 48.943703] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 48.948887] RIP: 0033:0x40142a
[ 48.952094] Code: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 8b 05 ce 22 2d 00 85 c0 75 36 45 31 d2 48 63 d2 48 63 ff b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 d0 ff ff ff f7
[ 48.970982] RSP: 002b:00007ffd2646eb38 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[ 48.978673] RAX: ffffffffffffffda RBX: 0000000000001d55 RCX: 000000000040142a
[ 48.985968] RDX: 0000000040000000 RSI: 00007ffd2646eb44 RDI: ffffffffffffffff
[ 48.993232] RBP: 00000000006cc018 R08: 0000000000000000 R09: 0000555556602880
[ 49.000485] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004023e0
[ 49.007764] R13: 0000000000402470 R14: 0000000000000000 R15: 0000000000000000
[ 49.015026] Modules linked in:
[ 49.018491] ---[ end trace 7739787472c20157 ]---
[ 49.023266] RIP: 0010:wait_consider_task+0x140b/0x3910
[ 49.028572] Code: e0 74 49 87 c6 05 0a fc f7 07 01 e8 d6 f5 12 00 e8 fa 8d 2b 00 48 8d 7b 14 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8
[ 49.047495] RSP: 0018:ffff88809458faa0 EFLAGS: 00010203
[ 49.052852] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff813fd453
[ 49.060134] RDX: 0000000000000002 RSI: ffffffff813fd486 RDI: 0000000000000014
[ 49.067441] RBP: ffff88809458fbc8 R08: ffff88808f95a680 R09: ffffed1015d24733
[ 49.074742] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000001d55
[ 49.082124] R13: ffff88809458fcbc R14: ffff88809ad3e300 R15: ffff88809458fcb8
[ 49.089482] FS: 0000555556602880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[ 49.097732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.103625] CR2: 00000000006cc0a0 CR3: 000000008a655000 CR4: 00000000001406e0
[ 49.110904] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 49.118352] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 49.125647] Kernel panic - not syncing: Fatal exception
[ 49.132914] Kernel Offset: disabled
[ 49.136607] Rebooting in 86400 seconds..