executing program
BUG: memory leak
unreferenced object 0xffff888115291640 (size 32):
  comm "syz-executor932", pid 7149, jiffies 4294944559 (age 12.670s)
  hex dump (first 32 bytes):
    00 66 73 00 00 00 00 00 00 00 00 00 00 00 00 00  .fs.............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000043869809>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000043869809>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000043869809>] slab_alloc mm/slab.c:3320 [inline]
    [<0000000043869809>] __do_kmalloc mm/slab.c:3654 [inline]
    [<0000000043869809>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671
    [<00000000e63aaa6e>] kstrdup+0x3a/0x70 mm/util.c:60
    [<00000000c9b04377>] nfs23_parse_monolithic fs/nfs/fs_context.c:958 [inline]
    [<00000000c9b04377>] nfs_fs_context_parse_monolithic+0x5cf/0x8f0 fs/nfs/fs_context.c:1147
    [<00000000aba77a4f>] parse_monolithic_mount_data+0x37/0x40 fs/fs_context.c:679
    [<00000000798b5825>] do_new_mount fs/namespace.c:2818 [inline]
    [<00000000798b5825>] do_mount+0x945/0xc80 fs/namespace.c:3107
    [<0000000074ef9d2f>] __do_sys_mount fs/namespace.c:3316 [inline]
    [<0000000074ef9d2f>] __se_sys_mount fs/namespace.c:3293 [inline]
    [<0000000074ef9d2f>] __x64_sys_mount+0xc0/0x140 fs/namespace.c:3293
    [<00000000563c09e6>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<0000000089323ede>] entry_SYSCALL_64_after_hwframe+0x44/0xa9