ovl: fix memory leak in ovl_parse_param()

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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>

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This commit is contained in:

Amir Goldstein 2023-11-12 10:11:25 +02:00

parent b28060db71

commit 37f32f5264

1 changed files with 5 additions and 6 deletions

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11

fs/overlayfs/params.c

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