syz_io_uring_submit(r2, 0x0, &(0x7f0000000000)=@IORING_OP_POLL_REMOVE={0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r8}}, 0xa4)
syz_io_uring_submit(r0, 0x0, 0x0, 0x0)
BUG: memory leak
unreferenced object 0xffff88804fa86900 (size 184):
  comm "kworker/u9:3", pid 104, jiffies 4296094409
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    01 00 80 00 80 00 04 40 00 00 0a 00 01 00 00 00  .......@........
  backtrace (crc 9820b5c1):
    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
    __writeback_single_inode+0x104/0x1220
    writeback_sb_inodes+0x6c1/0x1a70
    __writeback_inodes_wb+0xbe/0x270
    wb_writeback+0x62d/0x9b0
    wb_workfn+0x92e/0xd90
    process_one_work+0x8e1/0x1960
    worker_thread+0x67e/0xe90
    kthread+0x3c8/0x740

BUG: memory leak
unreferenced object 0xffff88803e618000 (size 184):
  comm "kworker/u9:3", pid 104, jiffies 4296094426
  hex dump (first 32 bytes):
    00 69 a8 4f 80 88 ff ff 00 00 00 00 00 00 00 00  .i.O............
    01 00 80 00 80 00 04 40 00 00 0a 00 01 00 00 00  .......@........
  backtrace (crc 63eec209):
    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
    __writeback_single_inode+0x104/0x1220
    writeback_sb_inodes+0x6c1/0x1a70
    __writeback_inodes_wb+0xbe/0x270
    wb_writeback+0x62d/0x9b0
    wb_workfn+0x92e/0xd90
    process_one_work+0x8e1/0x1960
    worker_thread+0x67e/0xe90
    kthread+0x3c8/0x740

BUG: memory leak
unreferenced object 0xffff88803e618100 (size 184):
  comm "kworker/u9:3", pid 104, jiffies 4296094426
  hex dump (first 32 bytes):
    00 80 61 3e 80 88 ff ff 00 00 00 00 00 00 00 00  ..a>............
    01 00 80 00 80 00 04 40 00 00 0a 00 01 00 00 00  .......@........
  backtrace (crc dc03dd91):
    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
    __writeback_single_inode+0x104/0x1220
    writeback_sb_inodes+0x6c1/0x1a70
    __writeback_inodes_wb+0xbe/0x270
    wb_writeback+0x62d/0x9b0
    wb_workfn+0x92e/0xd90
    process_one_work+0x8e1/0x1960
    worker_thread+0x67e/0xe90
    kthread+0x3c8/0x740

BUG: memory leak
unreferenced object 0xffff88803e618200 (size 184):
  comm "kworker/u9:3", pid 104, jiffies 4296094426
  hex dump (first 32 bytes):
    00 81 61 3e 80 88 ff ff 00 00 00 00 00 00 00 00  ..a>............
    01 00 80 00 80 00 04 40 00 00 0a 00 01 00 00 00  .......@........
  backtrace (crc cf2d7512):
    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
    __writeback_single_inode+0x104/0x1220
    writeback_sb_inodes+0x6c1/0x1a70
    __writeback_inodes_wb+0xbe/0x270
    wb_writeback+0x62d/0x9b0
    wb_workfn+0x92e/0xd90
    process_one_work+0x8e1/0x1960
    worker_thread+0x67e/0xe90
    kthread+0x3c8/0x740

BUG: leak checking failed