[   39.500286][   T26] audit: type=1800 audit(1556015656.161:32): pid=7731 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0
Starting mcstransd: 
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   44.765925][   T26] kauditd_printk_skb: 2 callbacks suppressed
[   44.765939][   T26] audit: type=1400 audit(1556015661.511:35): avc:  denied  { map } for  pid=7907 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 '10.128.0.174' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
executing program
[   51.162026][   T26] audit: type=1400 audit(1556015667.911:36): avc:  denied  { map } for  pid=7919 comm="syz-executor001" path="/root/syz-executor001900772" 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
[   51.174649][ T7928] ------------[ cut here ]------------
[   51.199747][ T7928] memory commitment underflow
[   51.199787][   T26] audit: type=1400 audit(1556015667.911:37): avc:  denied  { map } for  pid=7927 comm="syz-executor001" path="/dev/ashmem" dev="devtmpfs" ino=18489 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1
[   51.199882][ T7928] WARNING: CPU: 0 PID: 7928 at mm/util.c:657 __vm_enough_memory+0x47b/0x5a0
[   51.238747][ T7928] Kernel panic - not syncing: panic_on_warn set ...
[   51.245337][ T7928] CPU: 0 PID: 7928 Comm: syz-executor001 Not tainted 5.1.0-rc6 #78
[   51.253205][ T7928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   51.263232][ T7928] Call Trace:
[   51.266506][ T7928]  dump_stack+0x172/0x1f0
[   51.270815][ T7928]  ? __vm_enough_memory+0x3d0/0x5a0
[   51.275987][ T7928]  panic+0x2cb/0x65c
[   51.279859][ T7928]  ? __warn_printk+0xf3/0xf3
[   51.284425][ T7928]  ? __vm_enough_memory+0x47b/0x5a0
[   51.289616][ T7928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   51.295837][ T7928]  ? __warn.cold+0x5/0x45
[   51.300140][ T7928]  ? __warn+0xe8/0x1d0
[   51.304185][ T7928]  ? __vm_enough_memory+0x47b/0x5a0
[   51.309384][ T7928]  __warn.cold+0x20/0x45
[   51.313605][ T7928]  ? vprintk_emit+0x1ce/0x6d0
[   51.318267][ T7928]  ? __vm_enough_memory+0x47b/0x5a0
[   51.323456][ T7928]  report_bug+0x263/0x2b0
[   51.328055][ T7928]  do_error_trap+0x11b/0x200
[   51.332825][ T7928]  do_invalid_op+0x37/0x50
[   51.342144][ T7928]  ? __vm_enough_memory+0x47b/0x5a0
[   51.347590][ T7928]  invalid_op+0x14/0x20
[   51.351913][ T7928] RIP: 0010:__vm_enough_memory+0x47b/0x5a0
[   51.358146][ T7928] Code: e8 aa 79 da ff 0f b6 75 d0 40 84 f6 0f 85 50 fc ff ff e8 58 78 da ff 48 c7 c7 60 7c 72 87 c6 05 2f 73 c4 07 01 e8 03 26 ad ff <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 0f b6 14
[   51.378788][ T7928] RSP: 0018:ffff8880993b7a60 EFLAGS: 00010282
[   51.384868][ T7928] RAX: 0000000000000000 RBX: fff8000000000000 RCX: 0000000000000000
[   51.393511][ T7928] RDX: 0000000000000000 RSI: ffffffff815afcf6 RDI: ffffed1013276f3e
[   51.401465][ T7928] RBP: ffff8880993b7a98 R08: ffff8880a906a180 R09: ffff8880a906aa48
[   51.409510][ T7928] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[   51.417706][ T7928] R13: ffff88807d106000 R14: ffffffff88a2a580 R15: 0000000000000c67
[   51.425695][ T7928]  ? vprintk_func+0x86/0x189
[   51.430294][ T7928]  security_vm_enough_memory_mm+0xa0/0xd0
[   51.436010][ T7928]  __shmem_file_setup.part.0+0x194/0x2b0
[   51.441638][ T7928]  shmem_file_setup+0x66/0x90
[   51.446302][ T7928]  ashmem_mmap+0x35f/0x520
[   51.450905][ T7928]  mmap_region+0xc3a/0x1770
[   51.455408][ T7928]  ? __x64_sys_brk+0x760/0x760
[   51.460182][ T7928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   51.466560][ T7928]  ? get_unmapped_area+0x295/0x3b0
[   51.471650][ T7928]  do_mmap+0x8e2/0x1080
[   51.475945][ T7928]  vm_mmap_pgoff+0x1c5/0x230
[   51.480950][ T7928]  ? vma_is_stack_for_current+0xd0/0xd0
[   51.486481][ T7928]  ? ksys_dup3+0x3e0/0x3e0
[   51.491027][ T7928]  ksys_mmap_pgoff+0x4aa/0x630
[   51.495775][ T7928]  ? find_mergeable_anon_vma+0x2e0/0x2e0
[   51.501388][ T7928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   51.507961][ T7928]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   51.513514][ T7928]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   51.519040][ T7928]  ? do_syscall_64+0x26/0x610
[   51.523990][ T7928]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   51.530561][ T7928]  __x64_sys_mmap+0xe9/0x1b0
[   51.535906][ T7928]  do_syscall_64+0x103/0x610
[   51.540610][ T7928]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   51.546640][ T7928] RIP: 0033:0x441289
[   51.550516][ T7928] Code: e8 ac 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 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[   51.570583][ T7928] RSP: 002b:00007ffc5b097fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[   51.579099][ T7928] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441289
[   51.587211][ T7928] RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000020ffc000
[   51.595287][ T7928] RBP: 00000000006cb018 R08: 0000000000000003 R09: 0000000000000000
[   51.603396][ T7928] R10: 0080000000000012 R11: 0000000000000246 R12: 0000000000402000
[   51.611662][ T7928] R13: 0000000000402090 R14: 0000000000000000 R15: 0000000000000000
[   51.621041][ T7928] Kernel Offset: disabled
[   51.625620][ T7928] Rebooting in 86400 seconds..