mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000000240)='./file0/../file0\x00', &(0x7f0000000280)='vfat\x00', 0x0, 0x0)
BUG: memory leak
unreferenced object 0xffff88804c323000 (size 184):
  comm "syz-executor.5", pid 10862, jiffies 4295605381
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    01 08 80 00 80 00 04 40 00 00 05 00 01 00 00 00  .......@........
  backtrace (crc bb32e089):
    kmem_cache_alloc_noprof+0x48f/0x760
    mempool_alloc_noprof+0x1b3/0x300
    bio_alloc_bioset+0x3f1/0x8f0
    submit_bh_wbc+0x286/0x720
    __block_write_full_folio+0x723/0xde0
    block_write_full_folio+0x2d0/0x390
    blkdev_writepages+0x96/0x120
    do_writepages+0x244/0x5c0
    filemap_writeback+0x223/0x2d0
    file_write_and_wait_range+0xcf/0x140
    blkdev_fsync+0x6e/0xd0
    vfs_fsync_range+0x13d/0x230
    blkdev_write_iter+0x5f4/0xd00
    aio_write+0x340/0x7f0
    io_submit_one+0xf6b/0x1a90
    __x64_sys_io_submit+0x182/0x2e0

BUG: memory leak
unreferenced object 0xffff8880161cbf00 (size 184):
  comm "syz-executor.5", pid 10862, jiffies 4295605381
  hex dump (first 32 bytes):
    00 30 32 4c 80 88 ff ff 00 00 00 00 00 00 00 00  .02L............
    01 08 80 00 80 00 04 40 00 00 05 00 01 00 00 00  .......@........
  backtrace (crc 6bc80344):
    kmem_cache_alloc_noprof+0x48f/0x760
    mempool_alloc_noprof+0x1b3/0x300
    bio_alloc_bioset+0x3f1/0x8f0
    submit_bh_wbc+0x286/0x720
    __block_write_full_folio+0x723/0xde0
    block_write_full_folio+0x2d0/0x390
    blkdev_writepages+0x96/0x120
    do_writepages+0x244/0x5c0
    filemap_writeback+0x223/0x2d0
    file_write_and_wait_range+0xcf/0x140
    blkdev_fsync+0x6e/0xd0
    vfs_fsync_range+0x13d/0x230
    blkdev_write_iter+0x5f4/0xd00
    aio_write+0x340/0x7f0
    io_submit_one+0xf6b/0x1a90
    __x64_sys_io_submit+0x182/0x2e0

BUG: memory leak
unreferenced object 0xffff8880161cbe00 (size 184):
  comm "syz-executor.5", pid 10862, jiffies 4295605381
  hex dump (first 32 bytes):
    00 bf 1c 16 80 88 ff ff 00 00 00 00 00 00 00 00  ................
    01 08 80 00 80 00 04 40 00 00 05 00 01 00 00 00  .......@........
  backtrace (crc f0a32843):
    kmem_cache_alloc_noprof+0x48f/0x760
    mempool_alloc_noprof+0x1b3/0x300
    bio_alloc_bioset+0x3f1/0x8f0
    submit_bh_wbc+0x286/0x720
    __block_write_full_folio+0x723/0xde0
    block_write_full_folio+0x2d0/0x390
    blkdev_writepages+0x96/0x120
    do_writepages+0x244/0x5c0
    filemap_writeback+0x223/0x2d0
    file_write_and_wait_range+0xcf/0x140
    blkdev_fsync+0x6e/0xd0
    vfs_fsync_range+0x13d/0x230
    blkdev_write_iter+0x5f4/0xd00
    aio_write+0x340/0x7f0
    io_submit_one+0xf6b/0x1a90
    __x64_sys_io_submit+0x182/0x2e0

BUG: memory leak
unreferenced object 0xffff8880161cbd00 (size 184):
  comm "syz-executor.5", pid 10862, jiffies 4295605381
  hex dump (first 32 bytes):
    00 be 1c 16 80 88 ff ff 00 00 00 00 00 00 00 00  ................
    01 08 80 00 80 00 04 40 00 00 05 00 01 00 00 00  .......@........
  backtrace (crc b03ab246):
    kmem_cache_alloc_noprof+0x48f/0x760
    mempool_alloc_noprof+0x1b3/0x300
    bio_alloc_bioset+0x3f1/0x8f0
    submit_bh_wbc+0x286/0x720
    __block_write_full_folio+0x723/0xde0
    block_write_full_folio+0x2d0/0x390
    blkdev_writepages+0x96/0x120
    do_writepages+0x244/0x5c0
    filemap_writeback+0x223/0x2d0
    file_write_and_wait_range+0xcf/0x140
    blkdev_fsync+0x6e/0xd0
    vfs_fsync_range+0x13d/0x230
    blkdev_write_iter+0x5f4/0xd00
    aio_write+0x340/0x7f0
    io_submit_one+0xf6b/0x1a90
    __x64_sys_io_submit+0x182/0x2e0

BUG: leak checking failed