diff options
Diffstat (limited to 'system/busybox/0012-microcom-segfault.patch')
| -rw-r--r-- | system/busybox/0012-microcom-segfault.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/system/busybox/0012-microcom-segfault.patch b/system/busybox/0012-microcom-segfault.patch new file mode 100644 index 000000000..4789079b3 --- /dev/null +++ b/system/busybox/0012-microcom-segfault.patch @@ -0,0 +1,31 @@ +From fd8a0116a29ea4014fac7fbdba2636fc7b51ffc2 Mon Sep 17 00:00:00 2001 +From: Marian Buschsieweke <marian.buschsieweke@ovgu.de> +Date: Wed, 2 Aug 2017 23:36:08 +0200 +Subject: [PATCH] miscutils/microcom: Fixed segfault + +microcom did not check if required parameter TTY is present. Thus, +bb_basename() was called with a NULL pointer if TTY was missing. +This commit adds the missing check. +--- + miscutils/microcom.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/miscutils/microcom.c b/miscutils/microcom.c +index 14b9f3baf..38f6425c1 100644 +--- a/miscutils/microcom.c ++++ b/miscutils/microcom.c +@@ -78,6 +78,11 @@ int microcom_main(int argc UNUSED_PARAM, char **argv) + // argc -= optind; + argv += optind; + ++ if (*argv == NULL){ ++ bb_show_usage(); ++ return EXIT_FAILURE; ++ } ++ + // try to create lock file in /var/lock + device_lock_file = (char *)bb_basename(argv[0]); + device_lock_file = xasprintf("/var/lock/LCK..%s", device_lock_file); +-- +2.13.3 + |