| 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
| ||
|
Date: Wed, 23 Feb 2011 09:33:59 +0800
From: Daniel J Blueman <daniel.blueman@...il.com>
To: Linux Kernel <linux-kernel@...r.kernel.org>
Cc: x86@...nel.org
Subject: [2.6.38-rc6] build:mkpiggy fixlet...
Ensure build doesn't silently continue despite read failure,
addressing a warning due to the unchecked call.
Signed-off-by: Daniel J Blueman <daniel.blueman@...il.com>
diff --git a/arch/x86/boot/compressed/mkpiggy.c
b/arch/x86/boot/compressed/mkpiggy.c
index 646aa78..845a1f8 100644
--- a/arch/x86/boot/compressed/mkpiggy.c
+++ b/arch/x86/boot/compressed/mkpiggy.c
@@ -62,7 +62,12 @@ int main(int argc, char *argv[])
if (fseek(f, -4L, SEEK_END)) {
perror(argv[1]);
}
- fread(&olen, sizeof olen, 1, f);
+
+ if (fread(&olen, sizeof(olen), 1, f) != 1) {
+ perror(argv[1]);
+ return 1;
+ }
+
ilen = ftell(f);
olen = getle32(&olen);
fclose(f);
--
Daniel J Blueman
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists