Read errno before calling rb_io_path()#80
Merged
XrXr merged 1 commit intoruby:masterfrom Nov 27, 2024
Merged
Conversation
Possible fix for recent crashes seen on CI.
[BUG] rb_sys_fail_str(<STDIN>) - errno == 0
rb_io_path() calls rb_obj_dup(), which could call initialize_dup in Ruby
and clobber errno before rb_sys_fail_str() gets to read errno. So
save it out first.
(Using separate statements because order of evaluation in function call
list is unspecified, and order is important here.)
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
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Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be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.
Possible fix for recent crashes seen on CI.
rb_io_path() calls rb_obj_dup(), which could call initialize_dup in Ruby and clobber errno before rb_sys_fail_str() gets to read errno. So save it out first.
(Using separate statements because order of evaluation in function call list is unspecified, and order is important here.)