executing program executing program executing program executing program BUG: memory leak unreferenced object 0xffff888105f5ce40 (size 176): comm "syz-executor335", pid 3691, jiffies 4295000397 (age 21.360s) 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: [] prepare_creds+0x27/0x470 kernel/cred.c:260 [] ovl_fill_super+0xad/0x2730 fs/overlayfs/super.c:2007 [] mount_nodev+0x5c/0xc0 fs/super.c:1447 [] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [] vfs_get_tree+0x28/0x100 fs/super.c:1531 [] do_new_mount fs/namespace.c:3040 [inline] [] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [] do_mount fs/namespace.c:3383 [inline] [] __do_sys_mount fs/namespace.c:3591 [inline] [] __se_sys_mount fs/namespace.c:3568 [inline] [] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888105f325e0 (size 32): comm "syz-executor335", pid 3691, jiffies 4295000397 (age 21.360s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 b0 72 bc 00 81 88 ff ff .........r...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] __do_kmalloc_node mm/slab_common.c:954 [inline] [] __kmalloc+0x46/0x120 mm/slab_common.c:968 [] kmalloc include/linux/slab.h:558 [inline] [] kzalloc include/linux/slab.h:689 [inline] [] lsm_cred_alloc security/security.c:540 [inline] [] security_prepare_creds+0xa5/0xd0 security/security.c:1705 [] prepare_creds+0x2e6/0x470 kernel/cred.c:291 [] ovl_fill_super+0xad/0x2730 fs/overlayfs/super.c:2007 [] mount_nodev+0x5c/0xc0 fs/super.c:1447 [] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [] vfs_get_tree+0x28/0x100 fs/super.c:1531 [] do_new_mount fs/namespace.c:3040 [inline] [] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [] do_mount fs/namespace.c:3383 [inline] [] __do_sys_mount fs/namespace.c:3591 [inline] [] __se_sys_mount fs/namespace.c:3568 [inline] [] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810e81d600 (size 256): comm "syz-executor335", pid 3691, jiffies 4295000398 (age 21.350s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 20 0a f7 0b 81 88 ff ff 40 9b ca 0d 81 88 ff ff .......@....... backtrace: [] kmem_cache_zalloc include/linux/slab.h:679 [inline] [] __alloc_file+0x1f/0xf0 fs/file_table.c:138 [] alloc_empty_file_noaccount+0x19/0x50 fs/file_table.c:209 [] vfs_tmpfile_open+0x26/0x90 fs/namei.c:3645 [] ovl_do_tmpfile fs/overlayfs/overlayfs.h:317 [inline] [] ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:747 [inline] [] ovl_do_copy_up fs/overlayfs/copy_up.c:839 [inline] [] ovl_copy_up_one+0xe5c/0x1670 fs/overlayfs/copy_up.c:1007 [] ovl_copy_up_flags+0x107/0x170 fs/overlayfs/copy_up.c:1053 [] ovl_setattr+0xa5/0x270 fs/overlayfs/inode.c:43 [] notify_change+0x805/0xb50 fs/attr.c:420 [] chown_common+0x377/0x3b0 fs/open.c:736 [] do_fchownat+0xe0/0x180 fs/open.c:767 [] __do_sys_chown fs/open.c:787 [inline] [] __se_sys_chown fs/open.c:785 [inline] [] __x64_sys_chown+0x22/0x30 fs/open.c:785 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888101e4a630 (size 24): comm "syz-executor335", pid 3691, jiffies 4295000398 (age 21.350s) hex dump (first 24 bytes): 00 00 00 00 00 00 00 00 b0 72 bc 00 81 88 ff ff .........r...... 00 00 00 00 00 00 00 00 ........ backtrace: [] kmem_cache_zalloc include/linux/slab.h:679 [inline] [] lsm_file_alloc security/security.c:575 [inline] [] security_file_alloc+0x2a/0xb0 security/security.c:1529 [] __alloc_file+0x5d/0xf0 fs/file_table.c:143 [] alloc_empty_file_noaccount+0x19/0x50 fs/file_table.c:209 [] vfs_tmpfile_open+0x26/0x90 fs/namei.c:3645 [] ovl_do_tmpfile fs/overlayfs/overlayfs.h:317 [inline] [] ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:747 [inline] [] ovl_do_copy_up fs/overlayfs/copy_up.c:839 [inline] [] ovl_copy_up_one+0xe5c/0x1670 fs/overlayfs/copy_up.c:1007 [] ovl_copy_up_flags+0x107/0x170 fs/overlayfs/copy_up.c:1053 [] ovl_setattr+0xa5/0x270 fs/overlayfs/inode.c:43 [] notify_change+0x805/0xb50 fs/attr.c:420 [] chown_common+0x377/0x3b0 fs/open.c:736 [] do_fchownat+0xe0/0x180 fs/open.c:767 [] __do_sys_chown fs/open.c:787 [inline] [] __se_sys_chown fs/open.c:785 [inline] [] __x64_sys_chown+0x22/0x30 fs/open.c:785 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888105f5ce40 (size 176): comm "syz-executor335", pid 3691, jiffies 4295000397 (age 26.980s) 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: [] prepare_creds+0x27/0x470 kernel/cred.c:260 [] ovl_fill_super+0xad/0x2730 fs/overlayfs/super.c:2007 [] mount_nodev+0x5c/0xc0 fs/super.c:1447 [] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [] vfs_get_tree+0x28/0x100 fs/super.c:1531 [] do_new_mount fs/namespace.c:3040 [inline] [] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [] do_mount fs/namespace.c:3383 [inline] [] __do_sys_mount fs/namespace.c:3591 [inline] [] __se_sys_mount fs/namespace.c:3568 [inline] [] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888105f325e0 (size 32): comm "syz-executor335", pid 3691, jiffies 4295000397 (age 26.980s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 b0 72 bc 00 81 88 ff ff .........r...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] __do_kmalloc_node mm/slab_common.c:954 [inline] [] __kmalloc+0x46/0x120 mm/slab_common.c:968 [] kmalloc include/linux/slab.h:558 [inline] [] kzalloc include/linux/slab.h:689 [inline] [] lsm_cred_alloc security/security.c:540 [inline] [] security_prepare_creds+0xa5/0xd0 security/security.c:1705 [] prepare_creds+0x2e6/0x470 kernel/cred.c:291 [] ovl_fill_super+0xad/0x2730 fs/overlayfs/super.c:2007 [] mount_nodev+0x5c/0xc0 fs/super.c:1447 [] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [] vfs_get_tree+0x28/0x100 fs/super.c:1531 [] do_new_mount fs/namespace.c:3040 [inline] [] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [] do_mount fs/namespace.c:3383 [inline] [] __do_sys_mount fs/namespace.c:3591 [inline] [] __se_sys_mount fs/namespace.c:3568 [inline] [] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810e81d600 (size 256): comm "syz-executor335", pid 3691, jiffies 4295000398 (age 26.970s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 20 0a f7 0b 81 88 ff ff 40 9b ca 0d 81 88 ff ff .......@....... backtrace: [] kmem_cache_zalloc include/linux/slab.h:679 [inline] [] __alloc_file+0x1f/0xf0 fs/file_table.c:138 [] alloc_empty_file_noaccount+0x19/0x50 fs/file_table.c:209 [] vfs_tmpfile_open+0x26/0x90 fs/namei.c:3645 [] ovl_do_tmpfile fs/overlayfs/overlayfs.h:317 [inline] [] ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:747 [inline] [] ovl_do_copy_up fs/overlayfs/copy_up.c:839 [inline] [] ovl_copy_up_one+0xe5c/0x1670 fs/overlayfs/copy_up.c:1007 [] ovl_copy_up_flags+0x107/0x170 fs/overlayfs/copy_up.c:1053 [] ovl_setattr+0xa5/0x270 fs/overlayfs/inode.c:43 [] notify_change+0x805/0xb50 fs/attr.c:420 [] chown_common+0x377/0x3b0 fs/open.c:736 [] do_fchownat+0xe0/0x180 fs/open.c:767 [] __do_sys_chown fs/open.c:787 [inline] [] __se_sys_chown fs/open.c:785 [inline] [] __x64_sys_chown+0x22/0x30 fs/open.c:785 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888101e4a630 (size 24): comm "syz-executor335", pid 3691, jiffies 4295000398 (age 26.970s) hex dump (first 24 bytes): 00 00 00 00 00 00 00 00 b0 72 bc 00 81 88 ff ff .........r...... 00 00 00 00 00 00 00 00 ........ backtrace: [] kmem_cache_zalloc include/linux/slab.h:679 [inline] [] lsm_file_alloc security/security.c:575 [inline] [] security_file_alloc+0x2a/0xb0 security/security.c:1529 [] __alloc_file+0x5d/0xf0 fs/file_table.c:143 [] alloc_empty_file_noaccount+0x19/0x50 fs/file_table.c:209 [] vfs_tmpfile_open+0x26/0x90 fs/namei.c:3645 [] ovl_do_tmpfile fs/overlayfs/overlayfs.h:317 [inline] [] ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:747 [inline] [] ovl_do_copy_up fs/overlayfs/copy_up.c:839 [inline] [] ovl_copy_up_one+0xe5c/0x1670 fs/overlayfs/copy_up.c:1007 [] ovl_copy_up_flags+0x107/0x170 fs/overlayfs/copy_up.c:1053 [] ovl_setattr+0xa5/0x270 fs/overlayfs/inode.c:43 [] notify_change+0x805/0xb50 fs/attr.c:420 [] chown_common+0x377/0x3b0 fs/open.c:736 [] do_fchownat+0xe0/0x180 fs/open.c:767 [] __do_sys_chown fs/open.c:787 [inline] [] __se_sys_chown fs/open.c:785 [inline] [] __x64_sys_chown+0x22/0x30 fs/open.c:785 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888105f5ce40 (size 176): comm "syz-executor335", pid 3691, jiffies 4295000397 (age 28.130s) 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: [] prepare_creds+0x27/0x470 kernel/cred.c:260 [] ovl_fill_super+0xad/0x2730 fs/overlayfs/super.c:2007 [] mount_nodev+0x5c/0xc0 fs/super.c:1447 [] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [] vfs_get_tree+0x28/0x100 fs/super.c:1531 [] do_new_mount fs/namespace.c:3040 [inline] [] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [] do_mount fs/namespace.c:3383 [inline] [] __do_sys_mount fs/namespace.c:3591 [inline] [] __se_sys_mount fs/namespace.c:3568 [inline] [] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888105f325e0 (size 32): comm "syz-executor335", pid 3691, jiffies 4295000397 (age 28.130s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 b0 72 bc 00 81 88 ff ff .........r...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] __do_kmalloc_node mm/slab_common.c:954 [inline] [] __kmalloc+0x46/0x120 mm/slab_common.c:968 [] kmalloc include/linux/slab.h:558 [inline] [] kzalloc include/linux/slab.h:689 [inline] [] lsm_cred_alloc security/security.c:540 [inline] [] security_prepare_creds+0xa5/0xd0 security/security.c:1705 [] prepare_creds+0x2e6/0x470 kernel/cred.c:291 [] ovl_fill_super+0xad/0x2730 fs/overlayfs/super.c:2007 [] mount_nodev+0x5c/0xc0 fs/super.c:1447 [] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [] vfs_get_tree+0x28/0x100 fs/super.c:1531 [] do_new_mount fs/namespace.c:3040 [inline] [] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [] do_mount fs/namespace.c:3383 [inline] [] __do_sys_mount fs/namespace.c:3591 [inline] [] __se_sys_mount fs/namespace.c:3568 [inline] [] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810e81d600 (size 256): comm "syz-executor335", pid 3691, jiffies 4295000398 (age 28.120s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 20 0a f7 0b 81 88 ff ff 40 9b ca 0d 81 88 ff ff .......@....... backtrace: [] kmem_cache_zalloc include/linux/slab.h:679 [inline] [] __alloc_file+0x1f/0xf0 fs/file_table.c:138 [] alloc_empty_file_noaccount+0x19/0x50 fs/file_table.c:209 [] vfs_tmpfile_open+0x26/0x90 fs/namei.c:3645 [] ovl_do_tmpfile fs/overlayfs/overlayfs.h:317 [inline] [] ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:747 [inline] [] ovl_do_copy_up fs/overlayfs/copy_up.c:839 [inline] [] ovl_copy_up_one+0xe5c/0x1670 fs/overlayfs/copy_up.c:1007 [] ovl_copy_up_flags+0x107/0x170 fs/overlayfs/copy_up.c:1053 [] ovl_setattr+0xa5/0x270 fs/overlayfs/inode.c:43 [] notify_change+0x805/0xb50 fs/attr.c:420 [] chown_common+0x377/0x3b0 fs/open.c:736 [] do_fchownat+0xe0/0x180 fs/open.c:767 [] __do_sys_chown fs/open.c:787 [inline] [] __se_sys_chown fs/open.c:785 [inline] [] __x64_sys_chown+0x22/0x30 fs/open.c:785 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888101e4a630 (size 24): comm "syz-executor335", pid 3691, jiffies 4295000398 (age 28.120s) hex dump (first 24 bytes): 00 00 00 00 00 00 00 00 b0 72 bc 00 81 88 ff ff .........r...... 00 00 00 00 00 00 00 00 ........ backtrace: [] kmem_cache_zalloc include/linux/slab.h:679 [inline] [] lsm_file_alloc security/security.c:575 [inline] [] security_file_alloc+0x2a/0xb0 security/security.c:1529 [] __alloc_file+0x5d/0xf0 fs/file_table.c:143 [] alloc_empty_file_noaccount+0x19/0x50 fs/file_table.c:209 [] vfs_tmpfile_open+0x26/0x90 fs/namei.c:3645 [] ovl_do_tmpfile fs/overlayfs/overlayfs.h:317 [inline] [] ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:747 [inline] [] ovl_do_copy_up fs/overlayfs/copy_up.c:839 [inline] [] ovl_copy_up_one+0xe5c/0x1670 fs/overlayfs/copy_up.c:1007 [] ovl_copy_up_flags+0x107/0x170 fs/overlayfs/copy_up.c:1053 [] ovl_setattr+0xa5/0x270 fs/overlayfs/inode.c:43 [] notify_change+0x805/0xb50 fs/attr.c:420 [] chown_common+0x377/0x3b0 fs/open.c:736 [] do_fchownat+0xe0/0x180 fs/open.c:767 [] __do_sys_chown fs/open.c:787 [inline] [] __se_sys_chown fs/open.c:785 [inline] [] __x64_sys_chown+0x22/0x30 fs/open.c:785 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888105f5ce40 (size 176): comm "syz-executor335", pid 3691, jiffies 4295000397 (age 28.170s) 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: [] prepare_creds+0x27/0x470 kernel/cred.c:260 [] ovl_fill_super+0xad/0x2730 fs/overlayfs/super.c:2007 [] mount_nodev+0x5c/0xc0 fs/super.c:1447 [] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [] vfs_get_tree+0x28/0x100 fs/super.c:1531 [] do_new_mount fs/namespace.c:3040 [inline] [] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [] do_mount fs/namespace.c:3383 [inline] [] __do_sys_mount fs/namespace.c:3591 [inline] [] __se_sys_mount fs/namespace.c:3568 [inline] [] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888105f325e0 (size 32): comm "syz-executor335", pid 3691, jiffies 4295000397 (age 28.170s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 b0 72 bc 00 81 88 ff ff .........r...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] __do_kmalloc_node mm/slab_common.c:954 [inline] [] __kmalloc+0x46/0x120 mm/slab_common.c:968 [] kmalloc include/linux/slab.h:558 [inline] [] kzalloc include/linux/slab.h:689 [inline] [] lsm_cred_alloc security/security.c:540 [inline] [] security_prepare_creds+0xa5/0xd0 security/security.c:1705 [] prepare_creds+0x2e6/0x470 kernel/cred.c:291 [] ovl_fill_super+0xad/0x2730 fs/overlayfs/super.c:2007 [] mount_nodev+0x5c/0xc0 fs/super.c:1447 [] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [] vfs_get_tree+0x28/0x100 fs/super.c:1531 [] do_new_mount fs/namespace.c:3040 [inline] [] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [] do_mount fs/namespace.c:3383 [inline] [] __do_sys_mount fs/namespace.c:3591 [inline] [] __se_sys_mount fs/namespace.c:3568 [inline] [] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810e81d600 (size 256): comm "syz-executor335", pid 3691, jiffies 4295000398 (age 28.160s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 20 0a f7 0b 81 88 ff ff 40 9b ca 0d 81 88 ff ff .......@....... backtrace: [] kmem_cache_zalloc include/linux/slab.h:679 [inline] [] __alloc_file+0x1f/0xf0 fs/file_table.c:138 [] alloc_empty_file_noaccount+0x19/0x50 fs/file_table.c:209 [] vfs_tmpfile_open+0x26/0x90 fs/namei.c:3645 [] ovl_do_tmpfile fs/overlayfs/overlayfs.h:317 [inline] [] ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:747 [inline] [] ovl_do_copy_up fs/overlayfs/copy_up.c:839 [inline] [] ovl_copy_up_one+0xe5c/0x1670 fs/overlayfs/copy_up.c:1007 [] ovl_copy_up_flags+0x107/0x170 fs/overlayfs/copy_up.c:1053 [] ovl_setattr+0xa5/0x270 fs/overlayfs/inode.c:43 [] notify_change+0x805/0xb50 fs/attr.c:420 [] chown_common+0x377/0x3b0 fs/open.c:736 [] do_fchownat+0xe0/0x180 fs/open.c:767 [] __do_sys_chown fs/open.c:787 [inline] [] __se_sys_chown fs/open.c:785 [inline] [] __x64_sys_chown+0x22/0x30 fs/open.c:785 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888101e4a630 (size 24): comm "syz-executor335", pid 3691, jiffies 4295000398 (age 28.160s) hex dump (first 24 bytes): 00 00 00 00 00 00 00 00 b0 72 bc 00 81 88 ff ff .........r...... 00 00 00 00 00 00 00 00 ........ backtrace: [] kmem_cache_zalloc include/linux/slab.h:679 [inline] [] lsm_file_alloc security/security.c:575 [inline] [] security_file_alloc+0x2a/0xb0 security/security.c:1529 [] __alloc_file+0x5d/0xf0 fs/file_table.c:143 [] alloc_empty_file_noaccount+0x19/0x50 fs/file_table.c:209 [] vfs_tmpfile_open+0x26/0x90 fs/namei.c:3645 [] ovl_do_tmpfile fs/overlayfs/overlayfs.h:317 [inline] [] ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:747 [inline] [] ovl_do_copy_up fs/overlayfs/copy_up.c:839 [inline] [] ovl_copy_up_one+0xe5c/0x1670 fs/overlayfs/copy_up.c:1007 [] ovl_copy_up_flags+0x107/0x170 fs/overlayfs/copy_up.c:1053 [] ovl_setattr+0xa5/0x270 fs/overlayfs/inode.c:43 [] notify_change+0x805/0xb50 fs/attr.c:420 [] chown_common+0x377/0x3b0 fs/open.c:736 [] do_fchownat+0xe0/0x180 fs/open.c:767 [] __do_sys_chown fs/open.c:787 [inline] [] __se_sys_chown fs/open.c:785 [inline] [] __x64_sys_chown+0x22/0x30 fs/open.c:785 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd executing program executing program executing program executing program