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
@@ -405,7 +405,7 @@ int exec_spawn(Unit *unit,
        if (r < 0)
                return log_unit_error_errno(unit, r, "Failed to serialize parameters: %m");

-        if (fseeko(f, 0, SEEK_SET) == (off_t) -1)
+        if (fseeko(f, 0, SEEK_SET) < 0)
                return log_unit_error_errno(unit, errno, "Failed to reseek on serialization stream: %m");

        r = fd_cloexec(fileno(f), false);