executing program BUG: memory leak unreferenced object 0xffff88810b12bf00 (size 256): comm "syz-executor209", pid 5071, jiffies 4294947808 (age 13.370s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0 60 10 0b 81 88 ff ff 00 4f 7f 0d 81 88 ff ff .`.......O...... backtrace: [<ffffffff8160ae8f>] kmem_cache_zalloc include/linux/slab.h:710 [inline] [<ffffffff8160ae8f>] __alloc_file+0x1f/0xf0 fs/file_table.c:138 [<ffffffff8160ba99>] alloc_empty_file_noaccount+0x19/0x50 fs/file_table.c:209 [<ffffffff8161f4d6>] vfs_tmpfile_open+0x26/0x90 fs/namei.c:3645 [<ffffffff81c2c883>] ovl_do_tmpfile fs/overlayfs/overlayfs.h:331 [inline] [<ffffffff81c2c883>] ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:785 [inline] [<ffffffff81c2c883>] ovl_do_copy_up fs/overlayfs/copy_up.c:877 [inline] [<ffffffff81c2c883>] ovl_copy_up_one+0xeb3/0x1710 fs/overlayfs/copy_up.c:1045 [<ffffffff81c2d1e7>] ovl_copy_up_flags+0x107/0x170 fs/overlayfs/copy_up.c:1091 [<ffffffff81c2d350>] ovl_maybe_copy_up+0x100/0x130 fs/overlayfs/copy_up.c:1123 [<ffffffff81c22552>] ovl_open+0x52/0x100 fs/overlayfs/file.c:153 [<ffffffff815ff3cf>] do_dentry_open+0x2ff/0x7c0 fs/open.c:882 [<ffffffff816257ab>] do_open fs/namei.c:3557 [inline] [<ffffffff816257ab>] path_openat+0x161b/0x1c10 fs/namei.c:3714 [<ffffffff81628641>] do_filp_open+0xc1/0x1b0 fs/namei.c:3741 [<ffffffff81602d5d>] do_sys_openat2+0xed/0x260 fs/open.c:1310 [<ffffffff816035ed>] do_sys_open fs/open.c:1326 [inline] [<ffffffff816035ed>] __do_sys_open fs/open.c:1334 [inline] [<ffffffff816035ed>] __se_sys_open fs/open.c:1330 [inline] [<ffffffff816035ed>] __x64_sys_open+0x7d/0xe0 fs/open.c:1330 [<ffffffff848ec595>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff848ec595>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810f6c8160 (size 32): comm "syz-executor209", pid 5071, jiffies 4294947808 (age 13.370s) 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: [<ffffffff8222cafa>] kmem_cache_zalloc include/linux/slab.h:710 [inline] [<ffffffff8222cafa>] lsm_file_alloc security/security.c:603 [inline] [<ffffffff8222cafa>] security_file_alloc+0x2a/0xb0 security/security.c:1599 [<ffffffff8160aecd>] __alloc_file+0x5d/0xf0 fs/file_table.c:143 [<ffffffff8160ba99>] alloc_empty_file_noaccount+0x19/0x50 fs/file_table.c:209 [<ffffffff8161f4d6>] vfs_tmpfile_open+0x26/0x90 fs/namei.c:3645 [<ffffffff81c2c883>] ovl_do_tmpfile fs/overlayfs/overlayfs.h:331 [inline] [<ffffffff81c2c883>] ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:785 [inline] [<ffffffff81c2c883>] ovl_do_copy_up fs/overlayfs/copy_up.c:877 [inline] [<ffffffff81c2c883>] ovl_copy_up_one+0xeb3/0x1710 fs/overlayfs/copy_up.c:1045 [<ffffffff81c2d1e7>] ovl_copy_up_flags+0x107/0x170 fs/overlayfs/copy_up.c:1091 [<ffffffff81c2d350>] ovl_maybe_copy_up+0x100/0x130 fs/overlayfs/copy_up.c:1123 [<ffffffff81c22552>] ovl_open+0x52/0x100 fs/overlayfs/file.c:153 [<ffffffff815ff3cf>] do_dentry_open+0x2ff/0x7c0 fs/open.c:882 [<ffffffff816257ab>] do_open fs/namei.c:3557 [inline] [<ffffffff816257ab>] path_openat+0x161b/0x1c10 fs/namei.c:3714 [<ffffffff81628641>] do_filp_open+0xc1/0x1b0 fs/namei.c:3741 [<ffffffff81602d5d>] do_sys_openat2+0xed/0x260 fs/open.c:1310 [<ffffffff816035ed>] do_sys_open fs/open.c:1326 [inline] [<ffffffff816035ed>] __do_sys_open fs/open.c:1334 [inline] [<ffffffff816035ed>] __se_sys_open fs/open.c:1330 [inline] [<ffffffff816035ed>] __x64_sys_open+0x7d/0xe0 fs/open.c:1330 [<ffffffff848ec595>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff848ec595>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd