[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.235' (ECDSA) to the list of known hosts.
syzkaller login: [   52.118442][   T26] audit: type=1400 audit(1593679863.515:8): avc:  denied  { execmem } for  pid=6441 comm="syz-executor425" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
executing program
executing program
executing program
[   71.315929][ T3646] kmemleak: 8 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   77.635991][ T6441] kmemleak: 11 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888118cc4700 (size 224):
  comm "syz-executor425", pid 6443, jiffies 4294943726 (age 13.140s)
  hex dump (first 32 bytes):
    00 45 cc 18 81 88 ff ff 00 00 00 00 00 00 00 00  .E..............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000094c02615>] __alloc_skb+0x5e/0x250
    [<00000000e5386cbd>] kcm_sendmsg+0x3b6/0xa50
    [<00000000f1613a8a>] sock_sendmsg+0x4c/0x60
    [<00000000aba7096c>] ____sys_sendmsg+0x118/0x2f0
    [<000000007cd4be39>] ___sys_sendmsg+0x81/0xc0
    [<0000000098b1ee50>] __sys_sendmmsg+0xda/0x230
    [<000000009a409d75>] __x64_sys_sendmmsg+0x24/0x30
    [<0000000045f49211>] do_syscall_64+0x4c/0xe0
    [<0000000053b1fefd>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811c5e9200 (size 512):
  comm "syz-executor425", pid 6443, jiffies 4294943726 (age 13.140s)
  hex dump (first 32 bytes):
    6c 69 62 75 64 65 76 00 fe ed ca fe 28 00 00 00  libudev.....(...
    28 00 00 00 94 00 00 00 8a fa 90 c8 00 00 00 00  (...............
  backtrace:
    [<00000000f3b93311>] __alloc_skb+0x99/0x250
    [<00000000e5386cbd>] kcm_sendmsg+0x3b6/0xa50
    [<00000000f1613a8a>] sock_sendmsg+0x4c/0x60
    [<00000000aba7096c>] ____sys_sendmsg+0x118/0x2f0
    [<000000007cd4be39>] ___sys_sendmsg+0x81/0xc0
    [<0000000098b1ee50>] __sys_sendmmsg+0xda/0x230
    [<000000009a409d75>] __x64_sys_sendmmsg+0x24/0x30
    [<0000000045f49211>] do_syscall_64+0x4c/0xe0
    [<0000000053b1fefd>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118cc4500 (size 224):
  comm "syz-executor425", pid 6443, jiffies 4294943726 (age 13.140s)
  hex dump (first 32 bytes):
    00 44 cc 18 81 88 ff ff 00 00 00 00 00 00 00 00  .D..............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000094c02615>] __alloc_skb+0x5e/0x250
    [<00000000e5386cbd>] kcm_sendmsg+0x3b6/0xa50
    [<00000000f1613a8a>] sock_sendmsg+0x4c/0x60
    [<00000000aba7096c>] ____sys_sendmsg+0x118/0x2f0
    [<000000007cd4be39>] ___sys_sendmsg+0x81/0xc0
    [<0000000098b1ee50>] __sys_sendmmsg+0xda/0x230
    [<000000009a409d75>] __x64_sys_sendmmsg+0x24/0x30
    [<0000000045f49211>] do_syscall_64+0x4c/0xe0
    [<0000000053b1fefd>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811c5e9800 (size 512):
  comm "syz-executor425", pid 6443, jiffies 4294943726 (age 13.140s)
  hex dump (first 32 bytes):
    61 64 64 40 2f 64 65 76 69 63 65 73 2f 76 69 72  add@/devices/vir
    74 75 61 6c 2f 74 74 79 2f 70 74 79 72 31 00 41  tual/tty/ptyr1.A
  backtrace:
    [<00000000f3b93311>] __alloc_skb+0x99/0x250
    [<00000000e5386cbd>] kcm_sendmsg+0x3b6/0xa50
    [<00000000f1613a8a>] sock_sendmsg+0x4c/0x60
    [<00000000aba7096c>] ____sys_sendmsg+0x118/0x2f0
    [<000000007cd4be39>] ___sys_sendmsg+0x81/0xc0
    [<0000000098b1ee50>] __sys_sendmmsg+0xda/0x230
    [<000000009a409d75>] __x64_sys_sendmmsg+0x24/0x30
    [<0000000045f49211>] do_syscall_64+0x4c/0xe0
    [<0000000053b1fefd>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118cc4400 (size 224):
  comm "syz-executor425", pid 6443, jiffies 4294943726 (age 13.140s)
  hex dump (first 32 bytes):
    00 46 cc 18 81 88 ff ff 00 00 00 00 00 00 00 00  .F..............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000094c02615>] __alloc_skb+0x5e/0x250
    [<00000000e5386cbd>] kcm_sendmsg+0x3b6/0xa50
    [<00000000f1613a8a>] sock_sendmsg+0x4c/0x60
    [<00000000aba7096c>] ____sys_sendmsg+0x118/0x2f0
    [<000000007cd4be39>] ___sys_sendmsg+0x81/0xc0
    [<0000000098b1ee50>] __sys_sendmmsg+0xda/0x230
    [<000000009a409d75>] __x64_sys_sendmmsg+0x24/0x30
    [<0000000045f49211>] do_syscall_64+0x4c/0xe0
    [<0000000053b1fefd>] entry_SYSCALL_64_after_hwframe+0x44/0xa9