linux/fs/overlayfs
Amir Goldstein 37f32f5264 ovl: fix memory leak in ovl_parse_param()
On failure to parse parameters in ovl_parse_param_lowerdir(), it is
necessary to update ctx->nr with the correct nr before using
ovl_reset_lowerdirs() to release l->name.

Reported-and-tested-by: syzbot+26eedf3631650972f17c@syzkaller.appspotmail.com
Fixes: c835110b58 ("ovl: remove unused code in lowerdir param parsing")
Co-authored-by: Edward Adam Davis <eadavis@qq.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
2023-11-14 08:09:36 +02:00
..
copy_up.c ovl: do not encode lower fh with upper sb_writers held 2023-10-31 00:12:57 +02:00
dir.c ovl: Add an alternative type of whiteout 2023-10-31 00:12:59 +02:00
export.c ovl: reorder ovl_want_write() after ovl_inode_lock() 2023-10-31 00:12:57 +02:00
file.c ovl: add helper ovl_file_modified() 2023-10-31 00:12:55 +02:00
inode.c ovl: Move xattr support to new xattrs.c file 2023-10-31 00:12:59 +02:00
Kconfig ovl: Kconfig: introduce CONFIG_OVERLAY_FS_DEBUG 2023-08-12 19:02:53 +03:00
Makefile ovl: Move xattr support to new xattrs.c file 2023-10-31 00:12:59 +02:00
namei.c ovl: Add an alternative type of whiteout 2023-10-31 00:12:59 +02:00
overlayfs.h ovl: Add an alternative type of whiteout 2023-10-31 00:12:59 +02:00
ovl_entry.h ovl: make use of ->layers safe in rcu pathwalk 2023-10-02 17:45:02 +03:00
params.c ovl: fix memory leak in ovl_parse_param() 2023-11-14 08:09:36 +02:00
params.h ovl: store and show the user provided lowerdir mount option 2023-10-31 00:13:02 +02:00
readdir.c ovl: Add an alternative type of whiteout 2023-10-31 00:12:59 +02:00
super.c overlayfs update for 6.7-rc1 2023-11-07 11:46:31 -08:00
util.c ovl: fix misformatted comment 2023-11-14 08:09:36 +02:00
xattrs.c ovl: Support escaped overlay.* xattrs 2023-10-31 00:12:59 +02:00