buf.st_mtime = 0xffffffff;
}
+ if (buf.st_mtime < 0) {
+ fprintf(stderr, "%s: Timestamp negative, clipping.\n",
+ location);
+ buf.st_mtime = 0;
+ }
+
if (buf.st_size > 0xffffffff) {
fprintf(stderr, "%s: Size exceeds maximum cpio file size\n",
location);
/*
* Timestamps after 2106-02-07 06:28:15 UTC have an ascii hex time_t
* representation that exceeds 8 chars and breaks the cpio header
- * specification.
+ * specification. Negative timestamps similarly exceed 8 chars.
*/
- if (default_mtime > 0xffffffff) {
- fprintf(stderr, "ERROR: Timestamp too large for cpio format\n");
+ if (default_mtime > 0xffffffff || default_mtime < 0) {
+ fprintf(stderr, "ERROR: Timestamp out of range for cpio format\n");
exit(1);
}