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lttng: fix: potential 0-length allocation in pid list parsing
[lttng-tools.git]
/
src
/
bin
/
lttng
/
commands
/
track-untrack.c
diff --git
a/src/bin/lttng/commands/track-untrack.c
b/src/bin/lttng/commands/track-untrack.c
index 6db4288c59ec471cf181a8429dfa424a0ff75762..3073996a9f6d19acfa257e87b1075959a9da3521 100644
(file)
--- a/
src/bin/lttng/commands/track-untrack.c
+++ b/
src/bin/lttng/commands/track-untrack.c
@@
-131,6
+131,11
@@
int parse_pid_string(const char *_pid_string,
/* For next loop */
one_pid_str = strtok_r(NULL, ",", &iter);
}
/* For next loop */
one_pid_str = strtok_r(NULL, ",", &iter);
}
+ if (count == 0) {
+ ERR("Fatal error occurred when parsing pid string");
+ retval = CMD_ERROR;
+ goto error;
+ }
free(pid_string);
/* Identity of delimiter has been lost in first pass. */
free(pid_string);
/* Identity of delimiter has been lost in first pass. */
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