BUG: memory leak
unreferenced object 0xffff888122d5a000 (size 144):
  comm "syz-executor.1", pid 5405, jiffies 4294946037 (age 17.440s)
  hex dump (first 32 bytes):
    8e 1e 21 82 ff ff ff ff 02 00 00 00 00 00 00 00  ..!.............
    08 00 00 00 00 00 00 00 06 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff81631388>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff81631388>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff81631388>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff81631388>] slab_alloc mm/slub.c:3486 [inline]
    [<ffffffff81631388>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
    [<ffffffff81631388>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
    [<ffffffff82215669>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff82215669>] gfs2_trans_begin+0x29/0xa0 fs/gfs2/trans.c:115
    [<ffffffff82211e8e>] gfs2_statfs_sync+0x1ae/0x250 fs/gfs2/super.c:298
    [<ffffffff822125d9>] gfs2_make_fs_ro+0xb9/0x200 fs/gfs2/super.c:556
    [<ffffffff82212a44>] gfs2_put_super+0xb4/0x330 fs/gfs2/super.c:606
    [<ffffffff8169b7ee>] generic_shutdown_super+0x9e/0x170 fs/super.c:696
    [<ffffffff8169b93d>] kill_block_super+0x1d/0x50 fs/super.c:1667
    [<ffffffff821f644f>] gfs2_kill_sb+0x1bf/0x1f0 fs/gfs2/ops_fstype.c:1804
    [<ffffffff8169c95a>] deactivate_locked_super+0x4a/0x110 fs/super.c:484
    [<ffffffff8169cabc>] deactivate_super fs/super.c:517 [inline]
    [<ffffffff8169cabc>] deactivate_super+0x9c/0xb0 fs/super.c:513
    [<ffffffff816d9c71>] cleanup_mnt+0x121/0x210 fs/namespace.c:1256
    [<ffffffff812d460f>] task_work_run+0x8f/0xe0 kernel/task_work.c:180
    [<ffffffff81364b8b>] resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
    [<ffffffff81364b8b>] exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
    [<ffffffff81364b8b>] exit_to_user_mode_prepare+0x11b/0x140 kernel/entry/common.c:204
    [<ffffffff84b70ae1>] __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
    [<ffffffff84b70ae1>] syscall_exit_to_user_mode+0x21/0x50 kernel/entry/common.c:296
    [<ffffffff84b6cd9b>] do_syscall_64+0x4b/0x110 arch/x86/entry/common.c:88
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b