setsockopt$inet_buf(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000)="d9543038a1b282d50a0127a3fe787904192e365d99dfc335cf588132eba1a51d12f95180d319ee1e7666ca07423b043d77f268a4db33451cf00ae47cb045f9bc4e0385ab32e07ac5000000000000000032", 0x51)
r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0)
ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000040)={'vcan0\x00'})
BUG: memory leak
unreferenced object 0xffff888036418500 (size 184):
  comm "syz-executor.6", pid 282, jiffies 4297341800
  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 ccb5b732):
    kmem_cache_alloc_noprof+0x42f/0x690
    prepare_creds+0x2c/0x7e0
    copy_creds+0x7c/0xa30
    copy_process+0xf59/0x72a0
    kernel_clone+0xea/0x7f0
    __do_sys_clone+0xce/0x120
    do_syscall_64+0xbf/0x430
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888052d60700 (size 128):
  comm "syz-executor.6", pid 282, jiffies 4297341800
  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 1902f573):
    __kmalloc_noprof+0x426/0x680
    security_prepare_creds+0x101/0x160
    prepare_creds+0x579/0x7e0
    copy_creds+0x7c/0xa30
    copy_process+0xf59/0x72a0
    kernel_clone+0xea/0x7f0
    __do_sys_clone+0xce/0x120
    do_syscall_64+0xbf/0x430
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888016c23c00 (size 360):
  comm "syz-executor.6", pid 44115, jiffies 4297341845
  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 00 86 93 88 ff ff ff ff  ................
  backtrace (crc 4e40f977):
    kmem_cache_alloc_noprof+0x42f/0x690
    alloc_empty_file+0x58/0x1e0
    alloc_file_pseudo+0x12b/0x220
    __shmem_file_setup+0x1a7/0x370
    shmem_zero_setup_desc+0x95/0x180
    mmap_zero_prepare+0x8a/0xb0
    __mmap_region+0x1a3c/0x28c0
    mmap_region+0x314/0x3e0
    do_mmap+0xa36/0x11d0
    vm_mmap_pgoff+0x1fc/0x390
    ksys_mmap_pgoff+0x3d7/0x520
    __x64_sys_mmap+0x127/0x190
    do_syscall_64+0xbf/0x430
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff8880140e7b80 (size 16):
  comm "syz-executor.6", pid 44115, jiffies 4297341845
  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+0x42f/0x690
    security_file_alloc+0x35/0x130
    init_file+0x95/0x4c0
    alloc_empty_file+0x76/0x1e0
    alloc_file_pseudo+0x12b/0x220
    __shmem_file_setup+0x1a7/0x370
    shmem_zero_setup_desc+0x95/0x180
    mmap_zero_prepare+0x8a/0xb0
    __mmap_region+0x1a3c/0x28c0
    mmap_region+0x314/0x3e0
    do_mmap+0xa36/0x11d0
    vm_mmap_pgoff+0x1fc/0x390
    ksys_mmap_pgoff+0x3d7/0x520
    __x64_sys_mmap+0x127/0x190
    do_syscall_64+0xbf/0x430
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88804d82c1c0 (size 360):
  comm "syz-executor.6", pid 44115, jiffies 4297341851
  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 00 86 93 88 ff ff ff ff  ................
  backtrace (crc 5a6ade0):
    kmem_cache_alloc_noprof+0x42f/0x690
    alloc_empty_file+0x58/0x1e0
    alloc_file_pseudo+0x12b/0x220
    __shmem_file_setup+0x1a7/0x370
    shmem_zero_setup_desc+0x95/0x180
    mmap_zero_prepare+0x8a/0xb0
    __mmap_region+0x1a3c/0x28c0
    mmap_region+0x314/0x3e0
    do_mmap+0xa36/0x11d0
    vm_mmap_pgoff+0x1fc/0x390
    ksys_mmap_pgoff+0x3d7/0x520
    __x64_sys_mmap+0x127/0x190
    do_syscall_64+0xbf/0x430
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: leak checking failed