BUG: memory leak
unreferenced object 0xffff88810b17a000 (size 128):
  comm "syz-execprog", pid 5387, jiffies 4294944649 (age 152.020s)
  hex dump (first 32 bytes):
    40 bb 1e 0f 81 88 ff ff 30 98 72 81 ff ff ff ff  @.......0.r.....
    00 00 00 00 00 00 00 00 18 a0 17 0b 81 88 ff ff  ................
  backtrace:
    [<ffffffff81631b68>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff81631b68>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff81631b68>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff81631b68>] slab_alloc mm/slub.c:3486 [inline]
    [<ffffffff81631b68>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
    [<ffffffff81631b68>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
    [<ffffffff8172c211>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff8172c211>] ep_insert fs/eventpoll.c:1496 [inline]
    [<ffffffff8172c211>] do_epoll_ctl+0x711/0x1430 fs/eventpoll.c:2219
    [<ffffffff8172cfd3>] __do_sys_epoll_ctl fs/eventpoll.c:2276 [inline]
    [<ffffffff8172cfd3>] __se_sys_epoll_ctl fs/eventpoll.c:2267 [inline]
    [<ffffffff8172cfd3>] __x64_sys_epoll_ctl+0xa3/0xe0 fs/eventpoll.c:2267
    [<ffffffff84b71e2f>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84b71e2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:83
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88811becf840 (size 192):
  comm "syz-execprog", pid 5398, jiffies 4294944649 (age 152.020s)
  hex dump (first 32 bytes):
    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 00  ................
  backtrace:
    [<ffffffff81631b68>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff81631b68>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff81631b68>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff81631b68>] slab_alloc mm/slub.c:3486 [inline]
    [<ffffffff81631b68>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
    [<ffffffff81631b68>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
    [<ffffffff812e11cb>] prepare_creds+0x2b/0x4f0 kernel/cred.c:212
    [<ffffffff812e1baf>] prepare_exec_creds+0xf/0x60 kernel/cred.c:261
    [<ffffffff816a3efa>] prepare_bprm_creds fs/exec.c:1478 [inline]
    [<ffffffff816a3efa>] bprm_execve+0x6a/0xa20 fs/exec.c:1816
    [<ffffffff816a646a>] do_execveat_common.isra.0+0x26a/0x340 fs/exec.c:1962
    [<ffffffff816a799b>] do_execve fs/exec.c:2036 [inline]
    [<ffffffff816a799b>] __do_sys_execve fs/exec.c:2112 [inline]
    [<ffffffff816a799b>] __se_sys_execve fs/exec.c:2107 [inline]
    [<ffffffff816a799b>] __x64_sys_execve+0x3b/0x50 fs/exec.c:2107
    [<ffffffff84b71e2f>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84b71e2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:83
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff888103233fb0 (size 16):
  comm "syz-execprog", pid 5398, jiffies 4294944649 (age 152.020s)
  hex dump (first 16 bytes):
    00 00 00 00 00 00 00 00 00 c3 87 00 81 88 ff ff  ................
  backtrace:
    [<ffffffff816346ed>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff816346ed>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff816346ed>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff816346ed>] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517
    [<ffffffff8157f9bb>] __do_kmalloc_node mm/slab_common.c:1006 [inline]
    [<ffffffff8157f9bb>] __kmalloc+0x4b/0x150 mm/slab_common.c:1020
    [<ffffffff8236979d>] kmalloc include/linux/slab.h:604 [inline]
    [<ffffffff8236979d>] kzalloc include/linux/slab.h:721 [inline]
    [<ffffffff8236979d>] lsm_cred_alloc security/security.c:577 [inline]
    [<ffffffff8236979d>] security_prepare_creds+0x12d/0x150 security/security.c:2950
    [<ffffffff812e14cd>] prepare_creds+0x32d/0x4f0 kernel/cred.c:242
    [<ffffffff812e1baf>] prepare_exec_creds+0xf/0x60 kernel/cred.c:261
    [<ffffffff816a3efa>] prepare_bprm_creds fs/exec.c:1478 [inline]
    [<ffffffff816a3efa>] bprm_execve+0x6a/0xa20 fs/exec.c:1816
    [<ffffffff816a646a>] do_execveat_common.isra.0+0x26a/0x340 fs/exec.c:1962
    [<ffffffff816a799b>] do_execve fs/exec.c:2036 [inline]
    [<ffffffff816a799b>] __do_sys_execve fs/exec.c:2112 [inline]
    [<ffffffff816a799b>] __se_sys_execve fs/exec.c:2107 [inline]
    [<ffffffff816a799b>] __x64_sys_execve+0x3b/0x50 fs/exec.c:2107
    [<ffffffff84b71e2f>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84b71e2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:83
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88811b528000 (size 128):
  comm "syz-execprog", pid 5396, jiffies 4294944649 (age 152.020s)
  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:
    [<ffffffff81631b68>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff81631b68>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff81631b68>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff81631b68>] slab_alloc mm/slub.c:3486 [inline]
    [<ffffffff81631b68>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
    [<ffffffff81631b68>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
    [<ffffffff812d30ea>] alloc_pid+0x6a/0x570 kernel/pid.c:183
    [<ffffffff81293ab8>] copy_process+0x1848/0x25c0 kernel/fork.c:2518
    [<ffffffff812949db>] kernel_clone+0x11b/0x690 kernel/fork.c:2907
    [<ffffffff81294fcc>] __do_sys_clone+0x7c/0xb0 kernel/fork.c:3050
    [<ffffffff84b71e2f>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84b71e2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:83
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88810c8f5e40 (size 192):
  comm "syz-executor.4", pid 5399, jiffies 4294944649 (age 152.020s)
  hex dump (first 32 bytes):
    0c 80 00 00 06 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 40 88 80 01 81 88 ff ff  ........@.......
  backtrace:
    [<ffffffff816325ce>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff816325ce>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff816325ce>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff816325ce>] slab_alloc mm/slub.c:3486 [inline]
    [<ffffffff816325ce>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
    [<ffffffff816325ce>] kmem_cache_alloc_lru+0x2ee/0x520 mm/slub.c:3509
    [<ffffffff816c6701>] __d_alloc+0x31/0x2f0 fs/dcache.c:1768
    [<ffffffff816c69e9>] d_alloc+0x29/0xd0 fs/dcache.c:1848
    [<ffffffff816cb972>] d_alloc_parallel+0x62/0x610 fs/dcache.c:2637
    [<ffffffff816add16>] __lookup_slow+0x76/0x1d0 fs/namei.c:1679
    [<ffffffff816b4bf8>] lookup_slow fs/namei.c:1711 [inline]
    [<ffffffff816b4bf8>] walk_component+0x198/0x240 fs/namei.c:2002
    [<ffffffff816b4fa9>] link_path_walk.part.0.constprop.0+0x309/0x5c0 fs/namei.c:2326
    [<ffffffff816b5d78>] link_path_walk fs/namei.c:2476 [inline]
    [<ffffffff816b5d78>] path_lookupat+0x58/0x320 fs/namei.c:2482
    [<ffffffff816b8348>] filename_lookup+0x118/0x2b0 fs/namei.c:2512
    [<ffffffff816b8602>] user_path_at_empty+0x42/0x60 fs/namei.c:2911
    [<ffffffff816a1c2a>] do_readlinkat+0x8a/0x1d0 fs/stat.c:494
    [<ffffffff816a2d12>] __do_sys_readlink fs/stat.c:527 [inline]
    [<ffffffff816a2d12>] __se_sys_readlink fs/stat.c:524 [inline]
    [<ffffffff816a2d12>] __x64_sys_readlink+0x22/0x30 fs/stat.c:524
    [<ffffffff84b71e2f>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84b71e2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:83
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b