From 113671cf229bebd1ddb0d96dd3790dc84fbf019f Mon Sep 17 00:00:00 2001 From: =?utf8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= Date: Thu, 17 Nov 2016 20:57:22 -0500 Subject: [PATCH] basic/process-util: we need to take the shorter of two strings ==30496== Conditional jump or move depends on uninitialised value(s) ==30496== at 0x489F654: memcmp (vg_replace_strmem.c:1091) ==30496== by 0x49BF203: getenv_for_pid (process-util.c:678) ==30496== by 0x4993ACB: detect_container (virt.c:442) ==30496== by 0x182DFF: test_get_process_comm (test-process-util.c:98) ==30496== by 0x185847: main (test-process-util.c:368) ==30496== --- src/basic/process-util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/basic/process-util.c b/src/basic/process-util.c index 359c3a4e4..09bc12a80 100644 --- a/src/basic/process-util.c +++ b/src/basic/process-util.c @@ -682,7 +682,7 @@ int getenv_for_pid(pid_t pid, const char *field, char **_value) { } line[i] = 0; - if (memcmp(line, field, l) == 0 && line[l] == '=') { + if (strneq(line, field, l) && line[l] == '=') { value = strdup(line + l + 1); if (!value) return -ENOMEM; -- 2.30.2