mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f00000001c0), 0x0, &(0x7f00000003c0)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}}) (fail_nth: 19)
BUG: memory leak
unreferenced object 0xffff88804f169400 (size 128):
  comm "syz-executor.7", pid 143791, jiffies 4298105001
  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 (crc 96bdc52d):
    __kmalloc_cache_noprof+0x4a4/0x780
    v9fs_init_fs_context+0x49/0x5b0
    alloc_fs_context+0x580/0xb20
    path_mount+0xd8d/0x2140
    __x64_sys_mount+0x293/0x310
    do_syscall_64+0xbf/0x420
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88804f169500 (size 128):
  comm "syz-executor.7", pid 144359, jiffies 4298105467
  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 (crc 388213ca):
    __kmalloc_cache_noprof+0x4a4/0x780
    v9fs_init_fs_context+0x49/0x5b0
    alloc_fs_context+0x580/0xb20
    path_mount+0xd8d/0x2140
    __x64_sys_mount+0x293/0x310
    do_syscall_64+0xbf/0x420
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888057452b80 (size 8):
  comm "syz-executor.7", pid 144359, jiffies 4298105467
  hex dump (first 8 bytes):
    6e 6f 62 6f 64 79 00 ff                          nobody..
  backtrace (crc 24a71c4e):
    __kmalloc_node_track_caller_noprof+0x4c1/0x890
    kstrdup+0x3e/0xc0
    v9fs_init_fs_context+0xf3/0x5b0
    alloc_fs_context+0x580/0xb20
    path_mount+0xd8d/0x2140
    __x64_sys_mount+0x293/0x310
    do_syscall_64+0xbf/0x420
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: leak checking failed