Skip to content

[DeviceSanitizer] Fix a heap use-after-free problem. #2029

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 1 commit into from
Closed

[DeviceSanitizer] Fix a heap use-after-free problem. #2029

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion source/loader/layers/sanitizer/asan_interceptor.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -313,7 +313,8 @@ ur_result_t SanitizerInterceptor::releaseMemory(ur_context_handle_t Context,
}

auto AllocInfoIt = *AllocInfoItOp;
auto &AllocInfo = AllocInfoIt->second;
// AllocInfo is a shared_ptr and we need to keep a copy to avoid early release
auto AllocInfo = AllocInfoIt->second;

if (AllocInfo->Context != Context) {
if (AllocInfo->UserBegin == Addr) {
Expand Down