Fix buffer overflow if output iterator is std::back_insert_iterator and value is escaped (debug format) #3797
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Issue: #3795
For
std::back_insert_iterator
output iteratorreserve
return raw pointer:fmt/include/fmt/format.h
Lines 571 to 582 in 58a6bd4
If
size
is incorrect,write_padded
may overflow this container:fmt/include/fmt/format.h
Lines 1798 to 1818 in 58a6bd4
@vitaut