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Date:   Sat, 11 Nov 2023 21:16:12 -0800
From:   syzbot <syzbot+26eedf3631650972f17c@...kaller.appspotmail.com>
To:     linux-kernel@...r.kernel.org
Subject: Re: [syzbot] [PATCH] Test memory leak in ovl_parse_param

For archival purposes, forwarding an incoming command email to
linux-kernel@...r.kernel.org.

***

Subject: [PATCH] Test memory leak in ovl_parse_param
Author: eadavis@...com

please test memory leak in ovl_parse_param

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 13d88ac54ddd

diff --git a/fs/overlayfs/params.c b/fs/overlayfs/params.c
index ddab9ea267d1..735ae0db404a 100644
--- a/fs/overlayfs/params.c
+++ b/fs/overlayfs/params.c
@@ -530,6 +530,7 @@ static int ovl_parse_param_lowerdir(const char *name, struct fs_context *fc)
 	return 0;
 
 out_put:
+	ctr->nr = nr;
 	ovl_reset_lowerdirs(ctx);
 
 out_err:

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