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ufs-utils: fix crash for ufs-utils list_bsg

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The full_path buffer in find_bsg_device function consists of:
path + '/' + files->d_name + '\0'

So the buffer size should be: strlen(path) + strlen(files->d_name) + 2,
not: strlen(path) + strlen(files->d_name) + 1.

Backport a patch to fix crash when running 32-bit binary on 64-bit
system:
$ ufs-utils list_bsg
malloc(): invalid next size (unsorted)
Aborted (core dumped)

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Yi Zhao 2025-07-20 21:42:14 +08:00 committed by Khem Raj
parent 2de5071f9a
commit f4bd933b30
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2 changed files with 40 additions and 0 deletions
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39
meta-filesystems/recipes-utils/ufs-utils/files/0001-ufs_cmds-fix-full_path-buffer-size-in-find_bsg_devic.patch Normal file
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@ -0,0 +1,39 @@
From 989dcd297223d6896c5892532d14984326fa093d Mon Sep 17 00:00:00 2001
From: Yi Zhao <yi.zhao@windriver.com>
Date: Fri, 18 Jul 2025 16:52:57 +0800
Subject: [PATCH] ufs_cmds: fix full_path buffer size in find_bsg_device
The full_path buffer consists of: path + '/' + files->d_name + '\0'
So the buffer size should be: strlen(path) + strlen(files->d_name) + 2
Fix crash when running 32-bit binary on 64-bit system:
$ ufs-utils list_bsg
malloc(): invalid next size (unsorted)
Aborted (core dumped)
Fix #58
Upstream-Status: Backport
[https://github.com/SanDisk-Open-Source/ufs-utils/commit/989dcd297223d6896c5892532d14984326fa093d]
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
ufs_cmds.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/ufs_cmds.c b/ufs_cmds.c
index ddb037c..a6faa27 100644
--- a/ufs_cmds.c
+++ b/ufs_cmds.c
@@ -1520,7 +1520,7 @@ static int find_bsg_device(char* path, int *counter) {
if ((strcmp(files->d_name, ".") != 0) &&
(strcmp(files->d_name, "..") != 0)) {
char *full_path = (char *)malloc(strlen(path) +
- strlen(files->d_name) + 1);
+ strlen(files->d_name) + 2);
sprintf(full_path, "%s/%s",
path, files->d_name);
rc = find_bsg_device(full_path, counter);
--
2.34.1

1
meta-filesystems/recipes-utils/ufs-utils/ufs-utils_7.14.12.bb
View File

@ -7,6 +7,7 @@ BRANCH ?= "dev"
SRCREV = "dd2e655780424eadf7610de33e5966be19168a95"
SRC_URI = "git://github.com/westerndigitalcorporation/ufs-utils.git;protocol=https;branch=${BRANCH} \
file://0001-ufs_cmds-fix-full_path-buffer-size-in-find_bsg_devic.patch \
"
UPSTREAM_CHECK_COMMITS = "1"