diff options
Diffstat (limited to 'byterun/startup.c')
| -rw-r--r-- | byterun/startup.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/byterun/startup.c b/byterun/startup.c index 11b18db69..923723f8d 100644 --- a/byterun/startup.c +++ b/byterun/startup.c @@ -88,7 +88,8 @@ static void fixup_endianness_trailer(uint32 * p) static int read_trailer(int fd, struct exec_trailer *trail) { - lseek(fd, (long) -TRAILER_SIZE, SEEK_END); + if (lseek(fd, (long) -TRAILER_SIZE, SEEK_END) == -1) + return BAD_BYTECODE; if (read(fd, (char *) trail, TRAILER_SIZE) < TRAILER_SIZE) return BAD_BYTECODE; fixup_endianness_trailer(&trail->num_sections); |