syzbot

Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.124' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
BUG: memory leak
unreferenced object 0xffff888112099980 (size 32):
  comm "syz-executor679", pid 8490, jiffies 4294945852 (age 14.080s)
  hex dump (first 32 bytes):
    25 5e 5d 24 5b 2b 25 5d 28 24 7b 3a 0f 6b 5b 29  %^]$[+%](${:.k[)
    2d 3a 00 00 00 00 00 00 00 00 00 00 00 00 00 00  -:..............
  backtrace:
    [<00000000187e1d70>] kmemdup_nul+0x2d/0x70 mm/util.c:151
    [<000000000a321ce9>] vfs_parse_fs_string+0x6e/0xd0 fs/fs_context.c:155
    [<00000000b47ec667>] generic_parse_monolithic+0xe0/0x130 fs/fs_context.c:201
    [<0000000064cfa327>] do_new_mount fs/namespace.c:2871 [inline]
    [<0000000064cfa327>] path_mount+0xbbb/0x1170 fs/namespace.c:3205
    [<000000004ab0c68c>] do_mount fs/namespace.c:3218 [inline]
    [<000000004ab0c68c>] __do_sys_mount fs/namespace.c:3426 [inline]
    [<000000004ab0c68c>] __se_sys_mount fs/namespace.c:3403 [inline]
    [<000000004ab0c68c>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3403
    [<0000000039897b00>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<0000000071aea8eb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9