linux-kernel - [PATCH 5.7 029/179] exfat: fix wrong size update of stream entry by typo

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200727134934.084625370@linuxfoundation.org>
Date:   Mon, 27 Jul 2020 16:03:24 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hyeongseok Kim <hyeongseok@...il.com>,
        Namjae Jeon <namjae.jeon@...sung.com>
Subject: [PATCH 5.7 029/179] exfat: fix wrong size update of stream entry by typo

From: Hyeongseok Kim <hyeongseok@...il.com>

commit 41e3928f8c58184fcf0bb22e822af39a436370c7 upstream.

The stream.size field is updated to the value of create timestamp
of the file entry. Fix this to use correct stream entry pointer.

Fixes: 29bbb14bfc80 ("exfat: fix incorrect update of stream entry in __exfat_truncate()")
Signed-off-by: Hyeongseok Kim <hyeongseok@...il.com>
Signed-off-by: Namjae Jeon <namjae.jeon@...sung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/exfat/file.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/exfat/file.c
+++ b/fs/exfat/file.c
@@ -175,7 +175,7 @@ int __exfat_truncate(struct inode *inode
 			ep2->dentry.stream.size = 0;
 		} else {
 			ep2->dentry.stream.valid_size = cpu_to_le64(new_size);
-			ep2->dentry.stream.size = ep->dentry.stream.valid_size;
+			ep2->dentry.stream.size = ep2->dentry.stream.valid_size;
 		}
 
 		if (new_size == 0) {