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(parent: b28060d) | patch
ovl: fix memory leak in ovl_parse_param()
authorAmir Goldstein <amir73il@gmail.com>
Sun, 12 Nov 2023 08:11:25 +0000 (10:11 +0200)
committerAmir Goldstein <amir73il@gmail.com>
Tue, 14 Nov 2023 06:09:36 +0000 (08:09 +0200)
commit37f32f52643869131ec01bb69bdf9f404f6109fb
tree19542e9b530ea0dd91d76f0b64987d25c281fc79tree | snapshot
parentb28060db7172e6d8912d88b369123eb89e0d36b4commit | diff
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: c835110b588a ("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>
fs/overlayfs/params.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git