ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'vcan0\x00'})
close(r0)
ioctl$TUNSETOWNER(r0, 0x400454c9, 0xffffffffffffffff)
ioctl$TUNSETPERSIST(r0, 0x400454c8, 0x0)
BUG: memory leak
unreferenced object 0xffff88800bc0e100 (size 184):
  comm "syz-executor.6", pid 285, jiffies 4294910816
  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 7c20271c):
    kmem_cache_alloc_noprof+0x2fe/0x3d0
    prepare_creds+0x2c/0x7e0
    copy_creds+0x7a/0xa20
    copy_process+0xf5a/0x73e0
    kernel_clone+0xea/0x7f0
    __do_sys_clone+0xce/0x120
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800da5c700 (size 128):
  comm "syz-executor.6", pid 285, jiffies 4294910816
  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/0x73e0
    kernel_clone+0xea/0x7f0
    __do_sys_clone+0xce/0x120
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888047baee00 (size 360):
  comm "syz-executor.6", pid 4653, jiffies 4294910907
  hex dump (first 32 bytes):
    00 00 00 00 ad 4e ad de ff ff ff ff 10 00 ca 06  .....N..........
    ff ff ff ff ff ff ff ff a0 7f 6e 88 ff ff ff ff  ..........n.....
  backtrace (crc 20e6c6d4):
    kmem_cache_alloc_noprof+0x2fe/0x3d0
    alloc_empty_file+0x58/0x1e0
    alloc_file_pseudo+0x12b/0x220
    hugetlb_file_setup+0x28d/0x5b0
    alloc_file+0x46/0x500
    __x64_sys_memfd_create+0x193/0x280
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800cc1a8e0 (size 16):
  comm "syz-executor.6", pid 4653, jiffies 4294910907
  hex dump (first 16 bytes):
    01 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 35cdddfe):
    kmem_cache_alloc_noprof+0x2fe/0x3d0
    security_file_alloc+0x35/0x130
    init_file+0x95/0x4c0
    alloc_empty_file+0x76/0x1e0
    alloc_file_pseudo+0x12b/0x220
    hugetlb_file_setup+0x28d/0x5b0
    alloc_file+0x46/0x500
    __x64_sys_memfd_create+0x193/0x280
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800ca26700 (size 360):
  comm "syz-executor.6", pid 4653, jiffies 4294910929
  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 7f 6e 88 ff ff ff ff  ..........n.....
  backtrace (crc f743a347):
    kmem_cache_alloc_noprof+0x2fe/0x3d0
    alloc_empty_file+0x58/0x1e0
    alloc_file_pseudo+0x12b/0x220
    hugetlb_file_setup+0x28d/0x5b0
    alloc_file+0x46/0x500
    __x64_sys_memfd_create+0x193/0x280
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800cc1a240 (size 16):
  comm "syz-executor.6", pid 4653, jiffies 4294910929
  hex dump (first 16 bytes):
    01 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 35cdddfe):
    kmem_cache_alloc_noprof+0x2fe/0x3d0
    security_file_alloc+0x35/0x130
    init_file+0x95/0x4c0
    alloc_empty_file+0x76/0x1e0
    alloc_file_pseudo+0x12b/0x220
    hugetlb_file_setup+0x28d/0x5b0
    alloc_file+0x46/0x500
    __x64_sys_memfd_create+0x193/0x280
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800e79ea00 (size 184):
  comm "syz-executor.6", pid 285, jiffies 4294911013
  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 10c9cbd2):
    kmem_cache_alloc_noprof+0x2fe/0x3d0
    prepare_creds+0x2c/0x7e0
    copy_creds+0x7a/0xa20
    copy_process+0xf5a/0x73e0
    kernel_clone+0xea/0x7f0
    __do_sys_clone+0xce/0x120
    do_syscall_64+0xbf/0x360
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: leak checking failed