Merge pull request #29601 from yuwata/mmap-check-overflow

mmap: check offset and size more carefully
2023-10-24 12:20:04 +01:00
parent 50dbadc9d1 cbdac0c33a
commit e5cd8bc060
27 changed files with 365 additions and 82 deletions
@@ -233,7 +233,7 @@ static int copy_file_with_version_check(const char *from, const char *to, bool f
                        if (r < 0)
                                return r;

-                        if (lseek(fd_from, 0, SEEK_SET) == (off_t) -1)
+                        if (lseek(fd_from, 0, SEEK_SET) < 0)
                                return log_error_errno(errno, "Failed to seek in \"%s\": %m", from);

                        fd_to = safe_close(fd_to);