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util-lib: reject too long path for timedate_is_valid()
[elogind.git]
/
src
/
basic
/
time-util.c
diff --git
a/src/basic/time-util.c
b/src/basic/time-util.c
index 71d6179efacd8156f397b29138452a59125b30ec..2e465296fca739645a9c2ed017e0e89cc2639146 100644
(file)
--- a/
src/basic/time-util.c
+++ b/
src/basic/time-util.c
@@
-1326,6
+1326,9
@@
bool timezone_is_valid(const char *name, int log_level) {
if (slash)
return false;
+ if (p - name >= PATH_MAX)
+ return false;
+
t = strjoina("/usr/share/zoneinfo/", name);
fd = open(t, O_RDONLY|O_CLOEXEC);