r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/dev_mcast\x00')
preadv(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)=""/236, 0xec}], 0x1, 0xfff, 0x0)
ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x81f8943c, &(0x7f0000000400))
BUG: memory leak
unreferenced object 0xffff88801eb84800 (size 184):
  comm "syz-executor.0", pid 276, jiffies 4296237314
  hex dump (first 32 bytes):
    02 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 ce291085):
    kmem_cache_alloc_noprof+0x414/0x670
    prepare_creds+0x2c/0x7e0
    copy_creds+0x7a/0xa20
    copy_process+0xf1f/0x73d0
    kernel_clone+0xea/0x7f0
    __do_sys_clone+0xce/0x120
    do_syscall_64+0xbf/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800e0f1f00 (size 128):
  comm "syz-executor.0", pid 276, jiffies 4296237314
  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+0x45c/0x6e0
    security_prepare_creds+0x101/0x160
    prepare_creds+0x579/0x7e0
    copy_creds+0x7a/0xa20
    copy_process+0xf1f/0x73d0
    kernel_clone+0xea/0x7f0
    __do_sys_clone+0xce/0x120
    do_syscall_64+0xbf/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88801727ae00 (size 360):
  comm "syz-executor.0", pid 12853, jiffies 4296237384
  hex dump (first 32 bytes):
    00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00  .....N..........
    ff ff ff ff ff ff ff ff a0 c2 6f 88 ff ff ff ff  ..........o.....
  backtrace (crc 95ab8f62):
    kmem_cache_alloc_noprof+0x414/0x670
    alloc_empty_file+0x58/0x1e0
    path_openat+0xe0/0x2880
    do_filp_open+0x1e8/0x450
    do_sys_openat2+0x104/0x1b0
    __x64_sys_openat+0x142/0x200
    do_syscall_64+0xbf/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800db3c920 (size 16):
  comm "syz-executor.0", pid 12853, jiffies 4296237385
  hex dump (first 16 bytes):
    01 00 00 00 01 00 00 00 3d 00 00 00 01 00 00 00  ........=.......
  backtrace (crc 93b9fc37):
    kmem_cache_alloc_noprof+0x414/0x670
    security_file_alloc+0x35/0x130
    init_file+0x95/0x4c0
    alloc_empty_file+0x76/0x1e0
    path_openat+0xe0/0x2880
    do_filp_open+0x1e8/0x450
    do_sys_openat2+0x104/0x1b0
    __x64_sys_openat+0x142/0x200
    do_syscall_64+0xbf/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88801ea95880 (size 360):
  comm "syz-executor.0", pid 12859, jiffies 4296237403
  hex dump (first 32 bytes):
    00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00  .....N..........
    ff ff ff ff ff ff ff ff a0 c2 6f 88 ff ff ff ff  ..........o.....
  backtrace (crc 63527e0b):
    kmem_cache_alloc_noprof+0x414/0x670
    alloc_empty_file+0x58/0x1e0
    path_openat+0xe0/0x2880
    do_filp_open+0x1e8/0x450
    do_sys_openat2+0x104/0x1b0
    __x64_sys_openat+0x142/0x200
    do_syscall_64+0xbf/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800db3cd60 (size 16):
  comm "syz-executor.0", pid 12859, jiffies 4296237403
  hex dump (first 16 bytes):
    01 00 00 00 01 00 00 00 3d 00 00 00 01 00 00 00  ........=.......
  backtrace (crc 93b9fc37):
    kmem_cache_alloc_noprof+0x414/0x670
    security_file_alloc+0x35/0x130
    init_file+0x95/0x4c0
    alloc_empty_file+0x76/0x1e0
    path_openat+0xe0/0x2880
    do_filp_open+0x1e8/0x450
    do_sys_openat2+0x104/0x1b0
    __x64_sys_openat+0x142/0x200
    do_syscall_64+0xbf/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: leak checking failed