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Merge pull request #3162 from kailun-qin/null-on-error

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libct/nsenter: nullify pointer on asprintf error
This commit is contained in:
Kir Kolyshkin
2021-08-16 16:18:52 -07:00
committed by GitHub
parent 55e93b89f1 515082102e
commit 10f179c8c2
1 changed files with 6 additions and 2 deletions
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libcontainer/nsenter/nsexec.c
+6 -2
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@@ -146,8 +146,10 @@ static void write_log(const char *level, const char *format, ...)
va_start(args, format);
ret = vasprintf(&message, format, args);
va_end(args);
if (ret < 0)
if (ret < 0) {
message = NULL;
goto out;
}
message = escape_json_string(message);
@@ -155,8 +157,10 @@ static void write_log(const char *level, const char *format, ...)
stage = strdup("nsexec");
else
ret = asprintf(&stage, "nsexec-%d", current_stage);
if (ret < 0)
if (ret < 0) {
stage = NULL;
goto out;
}
ret = asprintf(&json, "{\"level\":\"%s\", \"msg\": \"%s[%d]: %s\"}\n", level, stage, getpid(), message);
if (ret < 0) {