000100000e2f4655fe2f4655fe2f4655f00000000000004008000000000000800050000000af301000400000000000000000000000100000010000000", 0x40, 0x4100}, {&(0x7f0000012600)="2000000088b35c71", 0x8, 0x417f}, {&(0x7f0000013400)="504d4d00504d4dff", 0x8, 0x40000}], 0x0, &(0x7f0000013a00))
BUG: memory leak
unreferenced object 0xffff888009643c40 (size 16):
  comm "syz-executor.6", pid 18082, jiffies 4297177069 (age 14.937s)
  hex dump (first 16 bytes):
    f8 29 06 46 80 88 ff ff 00 80 93 23 80 88 ff ff  .).F.......#....
  backtrace:
    [<000000008cb7e47c>] kmalloc include/linux/slab.h:552 [inline]
    [<000000008cb7e47c>] ext4_multi_mount_protect+0x861/0xb20 fs/ext4/mmp.c:367
    [<000000009bdcf1b8>] ext4_fill_super+0xa20e/0xcf20 fs/ext4/super.c:4774
    [<00000000de1f01d4>] mount_bdev+0x331/0x3f0 fs/super.c:1419
    [<0000000024327f72>] legacy_get_tree+0x105/0x220 fs/fs_context.c:592
    [<00000000a8f211bc>] vfs_get_tree+0x8e/0x2f0 fs/super.c:1549
    [<00000000750893d8>] do_new_mount fs/namespace.c:2881 [inline]
    [<00000000750893d8>] path_mount+0x139a/0x2080 fs/namespace.c:3211
    [<0000000030623b99>] do_mount fs/namespace.c:3224 [inline]
    [<0000000030623b99>] __do_sys_mount fs/namespace.c:3432 [inline]
    [<0000000030623b99>] __se_sys_mount fs/namespace.c:3409 [inline]
    [<0000000030623b99>] __x64_sys_mount+0x27e/0x300 fs/namespace.c:3409
    [<000000002c8c9a55>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000bbeca3e2>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: leak checking failed