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Description: Use read_file() instead of mem_chunk()
Origin: upstream, https://git.savannah.gnu.org/cgit/dmidecode.git/commit/?id=c76ddda0ba0aa99a55945e3290095c2ec493c892
Forwarded: not-needed
Last-Update: 2023-07-15
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
Index: trunk/dmidecode.c
===================================================================
--- trunk.orig/dmidecode.c
+++ trunk/dmidecode.c
@@ -6025,15 +6025,23 @@ int main(int argc, char * const argv[])
pr_comment("dmidecode %s", VERSION);
/* Read from dump if so instructed */
+ size = 0x20;
if (opt.flags & FLAG_FROM_DUMP)
{
if (!(opt.flags & FLAG_QUIET))
pr_info("Reading SMBIOS/DMI data from file %s.",
opt.dumpfile);
- if ((buf = mem_chunk(0, 0x20, opt.dumpfile)) == NULL)
+ if ((buf = read_file(0, &size, opt.dumpfile)) == NULL)
{
ret = 1;
goto exit_free;
+ }
+
+ /* Truncated entry point can't be processed */
+ if (size < 0x20)
+ {
+ ret = 1;
+ goto done;
}
if (memcmp(buf, "_SM3_", 5) == 0)
@@ -6059,7 +6067,6 @@ int main(int argc, char * const argv[])
* contain one of several types of entry points, so read enough for
* the largest one, then determine what type it contains.
*/
- size = 0x20;
if (!(opt.flags & FLAG_NO_SYSFS)
&& (buf = read_file(0, &size, SYS_ENTRY_FILE)) != NULL)
{
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