From: Richard Genoud <richard.genoud@posteo.net>
Date: Tue, 3 Nov 2020 11:11:11 +0000 (+0100)
Subject: fs/squashfs: sqfs_read: fix dangling pointer dirs->entry
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1a8805b56d747e10bebadd3bb99fd603accfc882;p=platform%2Fkernel%2Fu-boot.git

fs/squashfs: sqfs_read: fix dangling pointer dirs->entry

dirs->entry shouldn't be left dangling as it could be freed twice.

Signed-off-by: Richard Genoud <richard.genoud@posteo.net>
[jh80.chung: cherry picked from mainline commit d1d8d75f69f82f7ef7c55b58a7d9e73055956f3c]
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>

Change-Id: Ie76becc6bfb30341d1964a34154ebe4014def678
---

diff --git a/fs/squashfs/sqfs.c b/fs/squashfs/sqfs.c
index 79a465e203..f824339d6a 100644
--- a/fs/squashfs/sqfs.c
+++ b/fs/squashfs/sqfs.c
@@ -1339,6 +1339,7 @@ int sqfs_read(const char *filename, void *buf, loff_t offset, loff_t len,
 			break;
 
 		free(dirs->entry);
+		dirs->entry = NULL;
 	}
 
 	if (ret) {