r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/keys\x00', 0x0, 0x0)
sendfile(r0, r2, 0x0, 0x4000000000000)
BUG: memory leak
unreferenced object 0xffff88800e0c8f00 (size 184):
  comm "syz-executor.4", pid 283, jiffies 4295114209
  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 85a5e63f):
    kmem_cache_alloc_noprof+0x42f/0x690
    prepare_creds+0x2c/0x7e0
    copy_creds+0x7a/0xa20
    copy_process+0xf59/0x7410
    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 0xffff88800e47d200 (size 128):
  comm "syz-executor.4", pid 283, jiffies 4295114209
  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+0x426/0x680
    security_prepare_creds+0x101/0x160
    prepare_creds+0x579/0x7e0
    copy_creds+0x7a/0xa20
    copy_process+0xf59/0x7410
    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 0xffff8880174b3340 (size 360):
  comm "syz-executor.4", pid 5272, jiffies 4295114328
  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 60 a4 8d 88 ff ff ff ff  ........`.......
  backtrace (crc 6c154e79):
    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/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800ba230c0 (size 16):
  comm "syz-executor.4", pid 5272, jiffies 4295114328
  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/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: leak checking failed