BUG: memory leak
unreferenced object 0xffff888104f1b6c0 (size 176):
  comm "syz-executor.1", pid 5236, jiffies 4294943879 (age 11.520s)
  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:
    [<ffffffff812a54a7>] prepare_creds+0x27/0x470 kernel/cred.c:260
    [<ffffffff81c16d8d>] ovl_fill_super+0xad/0x2760 fs/overlayfs/super.c:1917
    [<ffffffff8160f52c>] mount_nodev+0x5c/0xc0 fs/super.c:1405
    [<ffffffff816739ab>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610
    [<ffffffff8160d018>] vfs_get_tree+0x28/0x100 fs/super.c:1489
    [<ffffffff81650eb7>] do_new_mount fs/namespace.c:3145 [inline]
    [<ffffffff81650eb7>] path_mount+0xc37/0x10d0 fs/namespace.c:3475
    [<ffffffff81651aee>] do_mount fs/namespace.c:3488 [inline]
    [<ffffffff81651aee>] __do_sys_mount fs/namespace.c:3697 [inline]
    [<ffffffff81651aee>] __se_sys_mount fs/namespace.c:3674 [inline]
    [<ffffffff81651aee>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3674
    [<ffffffff848ee645>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff848ee645>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888105560740 (size 32):
  comm "syz-executor.1", pid 5236, jiffies 4294943879 (age 11.520s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 a8 f1 e1 00 81 88 ff ff  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff814f9ed6>] __do_kmalloc_node mm/slab_common.c:967 [inline]
    [<ffffffff814f9ed6>] __kmalloc+0x46/0x120 mm/slab_common.c:981
    [<ffffffff8222e6e5>] kmalloc include/linux/slab.h:584 [inline]
    [<ffffffff8222e6e5>] kzalloc include/linux/slab.h:720 [inline]
    [<ffffffff8222e6e5>] lsm_cred_alloc security/security.c:568 [inline]
    [<ffffffff8222e6e5>] security_prepare_creds+0xa5/0xd0 security/security.c:1780
    [<ffffffff812a5766>] prepare_creds+0x2e6/0x470 kernel/cred.c:291
    [<ffffffff81c16d8d>] ovl_fill_super+0xad/0x2760 fs/overlayfs/super.c:1917
    [<ffffffff8160f52c>] mount_nodev+0x5c/0xc0 fs/super.c:1405
    [<ffffffff816739ab>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610
    [<ffffffff8160d018>] vfs_get_tree+0x28/0x100 fs/super.c:1489
    [<ffffffff81650eb7>] do_new_mount fs/namespace.c:3145 [inline]
    [<ffffffff81650eb7>] path_mount+0xc37/0x10d0 fs/namespace.c:3475
    [<ffffffff81651aee>] do_mount fs/namespace.c:3488 [inline]
    [<ffffffff81651aee>] __do_sys_mount fs/namespace.c:3697 [inline]
    [<ffffffff81651aee>] __se_sys_mount fs/namespace.c:3674 [inline]
    [<ffffffff81651aee>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3674
    [<ffffffff848ee645>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff848ee645>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888101f3e800 (size 256):
  comm "syz-executor.1", pid 5238, jiffies 4294943885 (age 11.460s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    60 fd 69 17 81 88 ff ff 80 07 3f 10 81 88 ff ff  `.i.......?.....
  backtrace:
    [<ffffffff8160bd7f>] kmem_cache_zalloc include/linux/slab.h:710 [inline]
    [<ffffffff8160bd7f>] __alloc_file+0x1f/0xf0 fs/file_table.c:138
    [<ffffffff8160c989>] alloc_empty_file_noaccount+0x19/0x50 fs/file_table.c:209
    [<ffffffff816203c6>] vfs_tmpfile_open+0x26/0x90 fs/namei.c:3645
    [<ffffffff81c2d773>] ovl_do_tmpfile fs/overlayfs/overlayfs.h:331 [inline]
    [<ffffffff81c2d773>] ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:785 [inline]
    [<ffffffff81c2d773>] ovl_do_copy_up fs/overlayfs/copy_up.c:877 [inline]
    [<ffffffff81c2d773>] ovl_copy_up_one+0xeb3/0x1710 fs/overlayfs/copy_up.c:1045
    [<ffffffff81c2e0d7>] ovl_copy_up_flags+0x107/0x170 fs/overlayfs/copy_up.c:1091
    [<ffffffff81c1ff65>] ovl_setattr+0xa5/0x270 fs/overlayfs/inode.c:45
    [<ffffffff81642fcf>] notify_change+0x7cf/0xb20 fs/attr.c:482
    [<ffffffff816030f9>] chown_common+0x399/0x3d0 fs/open.c:736
    [<ffffffff81603210>] do_fchownat+0xe0/0x180 fs/open.c:767
    [<ffffffff81603395>] __do_sys_lchown fs/open.c:792 [inline]
    [<ffffffff81603395>] __se_sys_lchown fs/open.c:790 [inline]
    [<ffffffff81603395>] __x64_sys_lchown+0x25/0x30 fs/open.c:790
    [<ffffffff848ee645>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff848ee645>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888119c0a520 (size 32):
  comm "syz-executor.1", pid 5238, jiffies 4294943885 (age 11.460s)
  hex dump (first 32 bytes):
    ff 7f 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    a8 f1 e1 00 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff8222deaa>] kmem_cache_zalloc include/linux/slab.h:710 [inline]
    [<ffffffff8222deaa>] lsm_file_alloc security/security.c:603 [inline]
    [<ffffffff8222deaa>] security_file_alloc+0x2a/0xb0 security/security.c:1599
    [<ffffffff8160bdbd>] __alloc_file+0x5d/0xf0 fs/file_table.c:143
    [<ffffffff8160c989>] alloc_empty_file_noaccount+0x19/0x50 fs/file_table.c:209
    [<ffffffff816203c6>] vfs_tmpfile_open+0x26/0x90 fs/namei.c:3645
    [<ffffffff81c2d773>] ovl_do_tmpfile fs/overlayfs/overlayfs.h:331 [inline]
    [<ffffffff81c2d773>] ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:785 [inline]
    [<ffffffff81c2d773>] ovl_do_copy_up fs/overlayfs/copy_up.c:877 [inline]
    [<ffffffff81c2d773>] ovl_copy_up_one+0xeb3/0x1710 fs/overlayfs/copy_up.c:1045
    [<ffffffff81c2e0d7>] ovl_copy_up_flags+0x107/0x170 fs/overlayfs/copy_up.c:1091
    [<ffffffff81c1ff65>] ovl_setattr+0xa5/0x270 fs/overlayfs/inode.c:45
    [<ffffffff81642fcf>] notify_change+0x7cf/0xb20 fs/attr.c:482
    [<ffffffff816030f9>] chown_common+0x399/0x3d0 fs/open.c:736
    [<ffffffff81603210>] do_fchownat+0xe0/0x180 fs/open.c:767
    [<ffffffff81603395>] __do_sys_lchown fs/open.c:792 [inline]
    [<ffffffff81603395>] __se_sys_lchown fs/open.c:790 [inline]
    [<ffffffff81603395>] __x64_sys_lchown+0x25/0x30 fs/open.c:790
    [<ffffffff848ee645>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff848ee645>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd