r0 = add_key$keyring(&(0x7f0000000500), &(0x7f0000000540)={'syz', 0x1}, 0x0, 0x0, 0xffffffffffffffff)
r1 = add_key$user(&(0x7f0000000000), &(0x7f00000000c0)={'syz', 0x2}, &(0x7f0000000080)="a4", 0x1, r0)
keyctl$update(0x4, r1, &(0x7f00000002c0)="d5", 0x1)
BUG: memory leak
unreferenced object 0xffff888009c4bb00 (size 184):
  comm "syz-executor.5", pid 288, jiffies 4296064605
  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 53f9b8b6):
    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 0xffff88804e765100 (size 128):
  comm "syz-executor.5", pid 288, jiffies 4296064605
  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 0xffff88801ec4c700 (size 128):
  comm "syz-executor.5", pid 11453, jiffies 4296064689
  hex dump (first 32 bytes):
    01 00 00 00 80 88 ff ff 00 00 00 00 ad 4e ad de  .............N..
    ff ff ff ff 00 00 00 00 ff ff ff ff ff ff ff ff  ................
  backtrace (crc 7294dfa1):
    __kmalloc_cache_noprof+0x42a/0x690
    do_eventfd+0x69/0x2d0
    __x64_sys_eventfd+0x33/0x50
    do_syscall_64+0xbf/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88804bb9a700 (size 360):
  comm "syz-executor.5", pid 11453, jiffies 4296064689
  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 63f74190):
    kmem_cache_alloc_noprof+0x414/0x670
    alloc_empty_file+0x58/0x1e0
    alloc_file_pseudo+0x12b/0x220
    __anon_inode_getfile+0xe1/0x280
    anon_inode_getfile_fmode+0x37/0xa0
    do_eventfd+0x19e/0x2d0
    __x64_sys_eventfd+0x33/0x50
    do_syscall_64+0xbf/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88800c484520 (size 16):
  comm "syz-executor.5", pid 11453, jiffies 4296064689
  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+0x414/0x670
    security_file_alloc+0x35/0x130
    init_file+0x95/0x4c0
    alloc_empty_file+0x76/0x1e0
    alloc_file_pseudo+0x12b/0x220
    __anon_inode_getfile+0xe1/0x280
    anon_inode_getfile_fmode+0x37/0xa0
    do_eventfd+0x19e/0x2d0
    __x64_sys_eventfd+0x33/0x50
    do_syscall_64+0xbf/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88804f09e400 (size 128):
  comm "syz-executor.5", pid 11459, jiffies 4296064764
  hex dump (first 32 bytes):
    01 00 00 00 80 88 ff ff 00 00 00 00 ad 4e ad de  .............N..
    ff ff ff ff 00 00 00 00 ff ff ff ff ff ff ff ff  ................
  backtrace (crc f668c5c):
    __kmalloc_cache_noprof+0x42a/0x690
    do_eventfd+0x69/0x2d0
    __x64_sys_eventfd+0x33/0x50
    do_syscall_64+0xbf/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff8880170ffdc0 (size 360):
  comm "syz-executor.5", pid 11459, jiffies 4296064764
  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 f244e277):
    kmem_cache_alloc_noprof+0x414/0x670
    alloc_empty_file+0x58/0x1e0
    alloc_file_pseudo+0x12b/0x220
    __anon_inode_getfile+0xe1/0x280
    anon_inode_getfile_fmode+0x37/0xa0
    do_eventfd+0x19e/0x2d0
    __x64_sys_eventfd+0x33/0x50
    do_syscall_64+0xbf/0x390
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: leak checking failed