[  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.
[   28.709791][ T8228] bash (8228) used greatest stack depth: 11400 bytes left

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.10.15' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   48.085655][ T8469] IPVS: ftp: loaded support on port[0] = 21
executing program
[   55.094183][ T8469] kmemleak: 62 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   62.129201][ T8469] kmemleak: 55 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810c623f00 (size 256):
  comm "syz-executor772", pid 8490, jiffies 4294942083 (age 14.090s)
  hex dump (first 32 bytes):
    00 ec 6b 09 81 88 ff ff 00 00 00 00 00 00 00 00  ..k.............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000041c38c2d>] tcindex_set_parms+0xa3/0xba0
    [<000000009c20b877>] tcindex_change+0xe8/0x120
    [<00000000c2135081>] tc_new_tfilter+0xa37/0x1040
    [<000000003cf110f0>] rtnetlink_rcv_msg+0x413/0x510
    [<00000000d64147c9>] netlink_rcv_skb+0x87/0x1d0
    [<000000002c3ca329>] netlink_unicast+0x392/0x4c0
    [<000000002c8c2c06>] netlink_sendmsg+0x368/0x6a0
    [<000000002d4d3dcf>] sock_sendmsg+0x56/0x80
    [<00000000ca9cc1c4>] ____sys_sendmsg+0x17a/0x390
    [<00000000e94bdbe6>] ___sys_sendmsg+0x8b/0xd0
    [<00000000e1ec06dd>] __sys_sendmmsg+0xed/0x290
    [<00000000374c19bb>] __x64_sys_sendmmsg+0x24/0x30
    [<00000000e89a9da5>] do_syscall_64+0x2d/0x70
    [<000000003e0fc73d>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881096bec00 (size 512):
  comm "syz-executor772", pid 8490, jiffies 4294942083 (age 14.090s)
  hex dump (first 32 bytes):
    00 77 bf 85 ff ff ff ff 0b 00 00 00 00 00 00 00  .w..............
    00 c5 b2 10 81 88 ff ff 01 00 00 00 01 00 00 00  ................
  backtrace:
    [<00000000f6a682a8>] tcf_idr_create+0x3c/0x2c0
    [<00000000be80e1f9>] tcf_police_init+0x17f/0x7e0
    [<0000000055c55168>] tcf_action_init_1+0x128/0x5f0
    [<0000000094400dac>] tcf_exts_validate+0xab/0x1c0
    [<000000003129e707>] tcindex_set_parms+0xf4/0xba0
    [<000000009c20b877>] tcindex_change+0xe8/0x120
    [<00000000c2135081>] tc_new_tfilter+0xa37/0x1040
    [<000000003cf110f0>] rtnetlink_rcv_msg+0x413/0x510
    [<00000000d64147c9>] netlink_rcv_skb+0x87/0x1d0
    [<000000002c3ca329>] netlink_unicast+0x392/0x4c0
    [<000000002c8c2c06>] netlink_sendmsg+0x368/0x6a0
    [<000000002d4d3dcf>] sock_sendmsg+0x56/0x80
    [<00000000ca9cc1c4>] ____sys_sendmsg+0x17a/0x390
    [<00000000e94bdbe6>] ___sys_sendmsg+0x8b/0xd0
    [<00000000e1ec06dd>] __sys_sendmmsg+0xed/0x290
    [<00000000374c19bb>] __x64_sys_sendmmsg+0x24/0x30

BUG: memory leak
unreferenced object 0xffff88810c623c00 (size 256):
  comm "syz-executor772", pid 8490, jiffies 4294942083 (age 14.090s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000081009668>] tcindex_alloc_perfect_hash+0x93/0x140
    [<00000000b51ed018>] tcindex_set_parms+0xa49/0xba0
    [<000000009c20b877>] tcindex_change+0xe8/0x120
    [<00000000c2135081>] tc_new_tfilter+0xa37/0x1040
    [<000000003cf110f0>] rtnetlink_rcv_msg+0x413/0x510
    [<00000000d64147c9>] netlink_rcv_skb+0x87/0x1d0
    [<000000002c3ca329>] netlink_unicast+0x392/0x4c0
    [<000000002c8c2c06>] netlink_sendmsg+0x368/0x6a0
    [<000000002d4d3dcf>] sock_sendmsg+0x56/0x80
    [<00000000ca9cc1c4>] ____sys_sendmsg+0x17a/0x390
    [<00000000e94bdbe6>] ___sys_sendmsg+0x8b/0xd0
    [<00000000e1ec06dd>] __sys_sendmmsg+0xed/0x290
    [<00000000374c19bb>] __x64_sys_sendmmsg+0x24/0x30
    [<00000000e89a9da5>] do_syscall_64+0x2d/0x70
    [<000000003e0fc73d>] entry_SYSCALL_64_after_hwframe+0x44/0xa9