[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] 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: [   28.358323][   T25] kauditd_printk_skb: 40 callbacks suppressed
[   28.358330][   T25] audit: type=1400 audit(1569041277.556:57): avc:  denied  { map } for  pid=6907 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 '10.128.1.54' (ECDSA) to the list of known hosts.
[   34.330705][   T25] audit: type=1400 audit(1569041283.526:58): avc:  denied  { map } for  pid=6921 comm="syz-executor539" path="/root/syz-executor539179808" dev="sda1" ino=16504 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
[   51.643586][ T6921] kmemleak: 461 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88811142f400 (size 224):
  comm "syz-executor539", pid 6924, jiffies 4294941376 (age 12.540s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 e0 a0 27 81 88 ff ff 00 68 a4 16 81 88 ff ff  ...'.....h......
  backtrace:
    [<00000000b28a3065>] kmem_cache_alloc_node+0x163/0x2f0
    [<00000000d6008a54>] __alloc_skb+0x6e/0x210
    [<00000000e21dc963>] alloc_skb_with_frags+0x5f/0x250
    [<000000002c94c959>] sock_alloc_send_pskb+0x269/0x2a0
    [<00000000d171791f>] sock_alloc_send_skb+0x32/0x40
    [<00000000e48f6beb>] llc_ui_sendmsg+0x10a/0x540
    [<000000006d215529>] sock_sendmsg+0x54/0x70
    [<000000006b804cea>] ___sys_sendmsg+0x194/0x3c0
    [<000000003755cafd>] __sys_sendmmsg+0xf4/0x270
    [<00000000d214a846>] __x64_sys_sendmmsg+0x28/0x30
    [<000000006274023b>] do_syscall_64+0x73/0x1f0
    [<00000000eb177866>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113613200 (size 512):
  comm "syz-executor539", pid 6924, jiffies 4294941376 (age 12.540s)
  hex dump (first 32 bytes):
    23 32 30 31 39 2f 30 39 2f 32 31 20 30 34 3a 34  #2019/09/21 04:4
    37 3a 35 37 c0 c0 f3 72 6f 66 69 6c 65 3d 30 20  7:57...rofile=0 
  backtrace:
    [<0000000081685698>] kmem_cache_alloc_node_trace+0x161/0x2f0
    [<00000000f1f7bff6>] __kmalloc_node_track_caller+0x38/0x50
    [<00000000068aec18>] __kmalloc_reserve.isra.0+0x40/0xb0
    [<0000000054a95822>] __alloc_skb+0xa0/0x210
    [<00000000e21dc963>] alloc_skb_with_frags+0x5f/0x250
    [<000000002c94c959>] sock_alloc_send_pskb+0x269/0x2a0
    [<00000000d171791f>] sock_alloc_send_skb+0x32/0x40
    [<00000000e48f6beb>] llc_ui_sendmsg+0x10a/0x540
    [<000000006d215529>] sock_sendmsg+0x54/0x70
    [<000000006b804cea>] ___sys_sendmsg+0x194/0x3c0
    [<000000003755cafd>] __sys_sendmmsg+0xf4/0x270
    [<00000000d214a846>] __x64_sys_sendmmsg+0x28/0x30
    [<000000006274023b>] do_syscall_64+0x73/0x1f0
    [<00000000eb177866>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811142fa00 (size 224):
  comm "syz-executor539", pid 6924, jiffies 4294941376 (age 12.540s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 e0 a0 27 81 88 ff ff 00 68 a4 16 81 88 ff ff  ...'.....h......
  backtrace:
    [<00000000b28a3065>] kmem_cache_alloc_node+0x163/0x2f0
    [<00000000d6008a54>] __alloc_skb+0x6e/0x210
    [<00000000e21dc963>] alloc_skb_with_frags+0x5f/0x250
    [<000000002c94c959>] sock_alloc_send_pskb+0x269/0x2a0
    [<00000000d171791f>] sock_alloc_send_skb+0x32/0x40
    [<00000000e48f6beb>] llc_ui_sendmsg+0x10a/0x540
    [<000000006d215529>] sock_sendmsg+0x54/0x70
    [<000000006b804cea>] ___sys_sendmsg+0x194/0x3c0
    [<000000003755cafd>] __sys_sendmmsg+0xf4/0x270
    [<00000000d214a846>] __x64_sys_sendmmsg+0x28/0x30
    [<000000006274023b>] do_syscall_64+0x73/0x1f0
    [<00000000eb177866>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888116860e00 (size 512):
  comm "syz-executor539", pid 6924, jiffies 4294941376 (age 12.540s)
  hex dump (first 32 bytes):
    06 00 00 00 05 00 00 00 40 00 00 00 00 00 00 00  ........@.......
    40 00 40 00 c0 c0 f3 00 40 00 40 00 00 00 00 00  @.@.....@.@.....
  backtrace:
    [<0000000081685698>] kmem_cache_alloc_node_trace+0x161/0x2f0
    [<00000000f1f7bff6>] __kmalloc_node_track_caller+0x38/0x50
    [<00000000068aec18>] __kmalloc_reserve.isra.0+0x40/0xb0
    [<0000000054a95822>] __alloc_skb+0xa0/0x210
    [<00000000e21dc963>] alloc_skb_with_frags+0x5f/0x250
    [<000000002c94c959>] sock_alloc_send_pskb+0x269/0x2a0
    [<00000000d171791f>] sock_alloc_send_skb+0x32/0x40
    [<00000000e48f6beb>] llc_ui_sendmsg+0x10a/0x540
    [<000000006d215529>] sock_sendmsg+0x54/0x70
    [<000000006b804cea>] ___sys_sendmsg+0x194/0x3c0
    [<000000003755cafd>] __sys_sendmmsg+0xf4/0x270
    [<00000000d214a846>] __x64_sys_sendmmsg+0x28/0x30
    [<000000006274023b>] do_syscall_64+0x73/0x1f0
    [<00000000eb177866>] entry_SYSCALL_64_after_hwframe+0x44/0xa9