/* read.c -- File views without mmap.
- Copyright (C) 2012-2017 Free Software Foundation, Inc.
+ Copyright (C) 2012-2019 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Google.
Redistribution and use in source and binary forms, with or without
int
backtrace_get_view (struct backtrace_state *state, int descriptor,
- off_t offset, size_t size,
+ off_t offset, uint64_t size,
backtrace_error_callback error_callback,
void *data, struct backtrace_view *view)
{
ssize_t got;
+ if ((uint64_t) (size_t) size != size)
+ {
+ error_callback (data, "file size too large", 0);
+ return 0;
+ }
+
if (lseek (descriptor, offset, SEEK_SET) < 0)
{
error_callback (data, "lseek", errno);