r5 = openat$sr(0xffffffffffffff9c, &(0x7f0000000000), 0x4840, 0x0)
r6 = syz_open_dev$loop(&(0x7f0000000040), 0x7ff, 0x0)
ioctl$LOOP_CHANGE_FD(r6, 0x4c00, r5)
ioctl$LOOP_CHANGE_FD(r6, 0x4c06, r0)
BUG: memory leak
unreferenced object 0xffff88800cd62300 (size 184):
  comm "syz-executor.7", pid 284, jiffies 4295454460
  hex dump (first 32 bytes):
    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 00 00 00 00  ................
  backtrace (crc 422c1d4b):
    kmem_cache_alloc_noprof+0x397/0x470
    prepare_creds+0x2c/0x7e0
    copy_creds+0x7a/0xa20
    copy_process+0xf5a/0x73b0
    kernel_clone+0xea/0x820
    __do_sys_clone+0xce/0x120
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800c418800 (size 128):
  comm "syz-executor.7", pid 284, jiffies 4295454460
  hex dump (first 32 bytes):
    01 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00  ................
  backtrace (crc 3586e13):
    __kmalloc_noprof+0x37c/0x4b0
    security_prepare_creds+0x101/0x160
    prepare_creds+0x579/0x7e0
    copy_creds+0x7a/0xa20
    copy_process+0xf5a/0x73b0
    kernel_clone+0xea/0x820
    __do_sys_clone+0xce/0x120
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800f0b6000 (size 4096):
  comm "syz-executor.7", pid 7169, jiffies 4295454526
  hex dump (first 32 bytes):
    00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00  ................
    00 00 20 42 80 88 ff ff 50 01 64 1a 7f 60 00 00  .. B....P.d..`..
  backtrace (crc 7ca88e9d):
    __kmalloc_cache_noprof+0x3ad/0x470
    io_uring_setup+0x245/0x1fd0
    __x64_sys_io_uring_setup+0xc8/0x170
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88801eae0000 (size 16384):
  comm "syz-executor.7", pid 7169, jiffies 4295454526
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 99 1b 00 00 53 02 46 00  ............S.F.
    00 00 00 00 00 00 00 00 62 00 00 00 2c 00 00 00  ........b...,...
  backtrace (crc cdc1785):
    ___kmalloc_large_node+0xdd/0x160
    __kmalloc_large_node_noprof+0x16/0xe0
    __kvmalloc_node_noprof+0x45e/0x590
    io_uring_setup+0x355/0x1fd0
    __x64_sys_io_uring_setup+0xc8/0x170
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object (percpu) 0x607f1a640150 (size 8):
  comm "syz-executor.7", pid 7169, jiffies 4295454526
  hex dump (first 8 bytes on cpu 0):
    00 00 00 00 00 00 00 00                          ........
  backtrace (crc 0):
    pcpu_alloc_noprof+0x892/0x1140
    percpu_ref_init+0x37/0x400
    io_uring_setup+0x41e/0x1fd0
    __x64_sys_io_uring_setup+0xc8/0x170
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800c40ae80 (size 64):
  comm "syz-executor.7", pid 7169, jiffies 4295454526
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 80 f0 1d 43 82 ff ff ff ff  ..........C.....
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 997f152d):
    __kmalloc_cache_noprof+0x3ad/0x470
    percpu_ref_init+0xe1/0x400
    io_uring_setup+0x41e/0x1fd0
    __x64_sys_io_uring_setup+0xc8/0x170
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800cb2ca00 (size 256):
  comm "syz-executor.7", pid 7169, jiffies 4295454526
  hex dump (first 32 bytes):
    00 80 fa 40 80 88 ff ff 6b 00 00 00 6b 01 1e 05  ...@....k...k...
    00 00 00 00 00 00 00 00 00 00 00 00 ad 4e ad de  .............N..
  backtrace (crc 64e16400):
    __kvmalloc_node_noprof+0x440/0x590
    io_alloc_cache_init+0x33/0x170
    io_uring_setup+0x5a9/0x1fd0
    __x64_sys_io_uring_setup+0xc8/0x170
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: leak checking failed