[   42.955430] audit: type=1800 audit(1581459127.224:30): pid=8046 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2490 res=0
[....] 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.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   47.499524] kauditd_printk_skb: 4 callbacks suppressed
[   47.499540] audit: type=1400 audit(1581459131.804:35): avc:  denied  { map } for  pid=8217 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 '10.128.0.13' (ECDSA) to the list of known hosts.
executing program
[   54.312410] audit: type=1400 audit(1581459138.614:36): avc:  denied  { map } for  pid=8229 comm="syz-executor358" path="/root/syz-executor358189540" 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
[   54.346799] kasan: CONFIG_KASAN_INLINE enabled
[   54.351626] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   54.359071] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   54.365379] CPU: 0 PID: 2871 Comm: kworker/0:2 Not tainted 4.19.103-syzkaller #0
[   54.373039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.382476] Workqueue: pencrypt padata_parallel_worker
[   54.387813] RIP: 0010:padata_reorder+0x303/0x740
[   54.392572] Code: 00 0f 85 7f 03 00 00 4c 89 21 e8 88 21 e7 ff 4c 89 f7 e8 30 23 d1 05 48 8b 45 c0 48 8d 53 48 48 8d 78 10 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 cd 02 00 00 48 8b 45 c0 8b 7d d0 48 8b 70 10
[   54.411526] RSP: 0018:ffff88809e6efb58 EFLAGS: 00010202
[   54.417084] RAX: 0000000000000002 RBX: ffffe8ffffd26150 RCX: 0000000000000000
[   54.424355] RDX: ffffe8ffffd26198 RSI: 0000000000000004 RDI: 0000000000000010
[   54.431622] RBP: ffff88809e6efbe0 R08: 1ffffd1ffffa4c2c R09: fffff91ffffa4c2d
[   54.438886] R10: fffff91ffffa4c2c R11: ffffe8ffffd26163 R12: ffff888082d010d0
[   54.446265] R13: dffffc0000000000 R14: ffffe8ffffd26160 R15: ffff8880a5a34a00
[   54.453640] FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[   54.461871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.467745] CR2: 0000000020000050 CR3: 00000000902e8000 CR4: 00000000001406f0
[   54.475017] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   54.482289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   54.489546] Call Trace:
[   54.492139]  padata_do_serial+0x298/0x370
[   54.496342]  pcrypt_aead_enc+0x10a/0x190
[   54.500404]  padata_parallel_worker+0x292/0x470
[   54.505067]  ? padata_index_to_cpu+0x70/0x70
[   54.509557]  process_one_work+0x989/0x1750
[   54.513787]  ? pwq_dec_nr_in_flight+0x320/0x320
[   54.518441]  ? lock_acquire+0x16f/0x3f0
[   54.522403]  ? kasan_check_write+0x14/0x20
[   54.526723]  ? do_raw_spin_lock+0xd7/0x250
[   54.531388]  worker_thread+0x98/0xe40
[   54.535174]  ? trace_hardirqs_on+0x67/0x220
[   54.539483]  kthread+0x354/0x420
[   54.542850]  ? process_one_work+0x1750/0x1750
[   54.547355]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[   54.552883]  ret_from_fork+0x24/0x30
[   54.556587] Modules linked in:
[   54.559847] ---[ end trace 298398f2d51646b9 ]---
[   54.564611] RIP: 0010:padata_reorder+0x303/0x740
[   54.569387] Code: 00 0f 85 7f 03 00 00 4c 89 21 e8 88 21 e7 ff 4c 89 f7 e8 30 23 d1 05 48 8b 45 c0 48 8d 53 48 48 8d 78 10 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 cd 02 00 00 48 8b 45 c0 8b 7d d0 48 8b 70 10
[   54.588325] RSP: 0018:ffff88809e6efb58 EFLAGS: 00010202
[   54.593677] RAX: 0000000000000002 RBX: ffffe8ffffd26150 RCX: 0000000000000000
[   54.600963] RDX: ffffe8ffffd26198 RSI: 0000000000000004 RDI: 0000000000000010
[   54.608253] RBP: ffff88809e6efbe0 R08: 1ffffd1ffffa4c2c R09: fffff91ffffa4c2d
[   54.615524] R10: fffff91ffffa4c2c R11: ffffe8ffffd26163 R12: ffff888082d010d0
[   54.622812] R13: dffffc0000000000 R14: ffffe8ffffd26160 R15: ffff8880a5a34a00
[   54.630094] FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[   54.638945] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.644838] CR2: 0000000020000050 CR3: 00000000902e8000 CR4: 00000000001406f0
[   54.652124] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   54.659419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   54.666674] Kernel panic - not syncing: Fatal exception in interrupt
[   54.674593] Kernel Offset: disabled
[   54.678261] Rebooting in 86400 seconds..