[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] 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: [   30.728966][   T22] kauditd_printk_skb: 18 callbacks suppressed
[   30.728972][   T22] audit: type=1400 audit(1568691632.285:35): avc:  denied  { map } for  pid=6962 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 '10.128.0.74' (ECDSA) to the list of known hosts.
[   89.284155][   T22] audit: type=1400 audit(1568691690.835:36): avc:  denied  { map } for  pid=6977 comm="syz-executor211" path="/root/syz-executor211167659" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[  143.111365][ T6977] kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888127375b00 (size 224):
  comm "syz-executor211", pid 6979, jiffies 4294947473 (age 43.150s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 f0 e5 24 81 88 ff ff 00 80 aa 12 81 88 ff ff  ...$............
  backtrace:
    [<000000009abb4722>] kmem_cache_alloc_node+0x163/0x2f0
    [<000000005809a1c4>] __alloc_skb+0x6e/0x210
    [<000000009e47fca6>] alloc_skb_with_frags+0x5f/0x250
    [<0000000026711998>] sock_alloc_send_pskb+0x269/0x2a0
    [<000000003c39330b>] sock_alloc_send_skb+0x32/0x40
    [<00000000480cd614>] llc_ui_sendmsg+0x10a/0x540
    [<0000000073a90e3b>] sock_sendmsg+0x54/0x70
    [<00000000f95efac2>] __sys_sendto+0x148/0x1f0
    [<00000000cb3a4ea9>] __x64_sys_sendto+0x2a/0x30
    [<00000000b8ad01ee>] do_syscall_64+0x76/0x1a0
    [<0000000088af3b2b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115476a00 (size 512):
  comm "syz-executor211", pid 6979, jiffies 4294947473 (age 43.150s)
  hex dump (first 32 bytes):
    01 00 00 00 05 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 c2 f3 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000072902394>] kmem_cache_alloc_node_trace+0x161/0x2f0
    [<00000000f5743b75>] __kmalloc_node_track_caller+0x38/0x50
    [<00000000d96c7fcf>] __kmalloc_reserve.isra.0+0x40/0xb0
    [<000000006233e96f>] __alloc_skb+0xa0/0x210
    [<000000009e47fca6>] alloc_skb_with_frags+0x5f/0x250
    [<0000000026711998>] sock_alloc_send_pskb+0x269/0x2a0
    [<000000003c39330b>] sock_alloc_send_skb+0x32/0x40
    [<00000000480cd614>] llc_ui_sendmsg+0x10a/0x540
    [<0000000073a90e3b>] sock_sendmsg+0x54/0x70
    [<00000000f95efac2>] __sys_sendto+0x148/0x1f0
    [<00000000cb3a4ea9>] __x64_sys_sendto+0x2a/0x30
    [<00000000b8ad01ee>] do_syscall_64+0x76/0x1a0
    [<0000000088af3b2b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888127375100 (size 224):
  comm "syz-executor211", pid 6980, jiffies 4294948063 (age 37.250s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 f0 e5 24 81 88 ff ff 00 28 9e 28 81 88 ff ff  ...$.....(.(....
  backtrace:
    [<000000009abb4722>] kmem_cache_alloc_node+0x163/0x2f0
    [<000000005809a1c4>] __alloc_skb+0x6e/0x210
    [<000000009e47fca6>] alloc_skb_with_frags+0x5f/0x250
    [<0000000026711998>] sock_alloc_send_pskb+0x269/0x2a0
    [<000000003c39330b>] sock_alloc_send_skb+0x32/0x40
    [<00000000480cd614>] llc_ui_sendmsg+0x10a/0x540
    [<0000000073a90e3b>] sock_sendmsg+0x54/0x70
    [<00000000f95efac2>] __sys_sendto+0x148/0x1f0
    [<00000000cb3a4ea9>] __x64_sys_sendto+0x2a/0x30
    [<00000000b8ad01ee>] do_syscall_64+0x76/0x1a0
    [<0000000088af3b2b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115476c00 (size 512):
  comm "syz-executor211", pid 6980, jiffies 4294948063 (age 37.250s)
  hex dump (first 32 bytes):
    01 00 00 00 05 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 c4 f3 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000072902394>] kmem_cache_alloc_node_trace+0x161/0x2f0
    [<00000000f5743b75>] __kmalloc_node_track_caller+0x38/0x50
    [<00000000d96c7fcf>] __kmalloc_reserve.isra.0+0x40/0xb0
    [<000000006233e96f>] __alloc_skb+0xa0/0x210
    [<000000009e47fca6>] alloc_skb_with_frags+0x5f/0x250
    [<0000000026711998>] sock_alloc_send_pskb+0x269/0x2a0
    [<000000003c39330b>] sock_alloc_send_skb+0x32/0x40
    [<00000000480cd614>] llc_ui_sendmsg+0x10a/0x540
    [<0000000073a90e3b>] sock_sendmsg+0x54/0x70
    [<00000000f95efac2>] __sys_sendto+0x148/0x1f0
    [<00000000cb3a4ea9>] __x64_sys_sendto+0x2a/0x30
    [<00000000b8ad01ee>] do_syscall_64+0x76/0x1a0
    [<0000000088af3b2b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9