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-rw-r--r--usr/gen_init_cpio.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c
index bf5b98c6cf8d..0e2c8a5838b1 100644
--- a/usr/gen_init_cpio.c
+++ b/usr/gen_init_cpio.c
@@ -320,6 +320,12 @@ static int cpio_mkfile(const char *name, const char *location,
goto error;
}
+ if (buf.st_mtime > 0xffffffff) {
+ fprintf(stderr, "%s: Timestamp exceeds maximum cpio timestamp, clipping.\n",
+ location);
+ buf.st_mtime = 0xffffffff;
+ }
+
filebuf = malloc(buf.st_size);
if (!filebuf) {
fprintf (stderr, "out of memory\n");
@@ -551,6 +557,16 @@ int main (int argc, char *argv[])
}
}
+ /*
+ * 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.
+ */
+ if (default_mtime > 0xffffffff) {
+ fprintf(stderr, "ERROR: Timestamp too large for cpio format\n");
+ exit(1);
+ }
+
if (argc - optind != 1) {
usage(argv[0]);
exit(1);