acb4fcb2ef
Daniel Stenberg
2026-03-18
Subject
tool_msgs: avoid null pointer deref for early errors
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src/tool_msgs.c+3 -3
| @@ -78,7 +78,7 @@ static void voutf(const char *prefix, const char *fmt, va_list ap) | |
| */ | |
| void notef(const char *fmt, ...) | |
| { | |
| - | if(global->tracetype) { |
| + | if(global && global->tracetype) { |
| va_list ap; | |
| va_start(ap, fmt); | |
| voutf(NOTE_PREFIX, fmt, ap); | |
| @@ -92,7 +92,7 @@ void notef(const char *fmt, ...) | |
| */ | |
| void warnf(const char *fmt, ...) | |
| { | |
| - | if(!global->silent) { |
| + | if(!global || !global->silent) { |
| va_list ap; | |
| va_start(ap, fmt); | |
| voutf(WARN_PREFIX, fmt, ap); | |
| @@ -128,7 +128,7 @@ void helpf(const char *fmt, ...) | |
| */ | |
| void errorf(const char *fmt, ...) | |
| { | |
| - | if(!global->silent || global->showerror) { |
| + | if(!global || !global->silent || global->showerror) { |
| va_list ap; | |
| va_start(ap, fmt); | |
| voutf(ERROR_PREFIX, fmt, ap); | |