executing program
BUG: memory leak
unreferenced object 0xffff888122494500 (size 32):
  comm "syz-executor050", pid 7123, jiffies 4294943468 (age 13.560s)
  hex dump (first 32 bytes):
    2e 00 04 80 01 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:
    [<00000000c6e6cf74>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000c6e6cf74>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000c6e6cf74>] slab_alloc mm/slab.c:3320 [inline]
    [<00000000c6e6cf74>] __do_kmalloc mm/slab.c:3654 [inline]
    [<00000000c6e6cf74>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671
    [<00000000836dced0>] kstrdup+0x3a/0x70 mm/util.c:60
    [<0000000089729bde>] reiserfs_fill_super+0x500/0x1120 fs/reiserfs/super.c:1946
    [<00000000ed9ee755>] mount_bdev+0x1ce/0x210 fs/super.c:1415
    [<00000000148e3b47>] get_super_block+0x35/0x40 fs/reiserfs/super.c:2604
    [<0000000028f1b569>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000bb6fba1f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<0000000074dcea11>] do_new_mount fs/namespace.c:2822 [inline]
    [<0000000074dcea11>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<00000000e6f3f9dc>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<000000007c4d5898>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<000000007c4d5898>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<000000007c4d5898>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<0000000085a542b0>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000004560a811>] entry_SYSCALL_64_after_hwframe+0x44/0xa9