child_process: add safety checks on stdio access #3799
Closed
Conversation
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
When a child process is spawned, there is no guarantee that stdout and stderr will be created successfully. This commit adds checks before attempting to access the streams.
|
LGTM |
jasnell
added
child_process
|
LGTM |
| }); | ||
| if (child.stdout) { | ||
| if (encoding) | ||
| child.stdout.setEncoding(encoding); |
There was a problem hiding this comment.
is this a behavior change?
There was a problem hiding this comment.
No. I just moved the code up a few lines to avoid another if (child.stdout) check.
There was a problem hiding this comment.
ahhh sorry, missed that.
|
LGTM |
cjihrig
added a commit
that referenced
this pull request
Nov 13, 2015
When a child process is spawned, there is no guarantee that stdout and stderr will be created successfully. This commit adds checks before attempting to access the streams. PR-URL: #3799 Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Evan Lucas <evanlucas@me.com> Reviewed-By: James M Snell <jasnell@gmail.com>
|
Landed in 7b355c5 |
cjihrig
added a commit
that referenced
this pull request
Nov 13, 2015
When a child process is spawned, there is no guarantee that stdout and stderr will be created successfully. This commit adds checks before attempting to access the streams. PR-URL: #3799 Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Evan Lucas <evanlucas@me.com> Reviewed-By: James M Snell <jasnell@gmail.com>
cjihrig
added a commit
that referenced
this pull request
Nov 30, 2015
When a child process is spawned, there is no guarantee that stdout and stderr will be created successfully. This commit adds checks before attempting to access the streams. PR-URL: #3799 Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Evan Lucas <evanlucas@me.com> Reviewed-By: James M Snell <jasnell@gmail.com>
cjihrig
added a commit
that referenced
this pull request
Dec 4, 2015
When a child process is spawned, there is no guarantee that stdout and stderr will be created successfully. This commit adds checks before attempting to access the streams. PR-URL: #3799 Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Evan Lucas <evanlucas@me.com> Reviewed-By: James M Snell <jasnell@gmail.com>
Closed
cjihrig
added a commit
that referenced
this pull request
Dec 17, 2015
When a child process is spawned, there is no guarantee that stdout and stderr will be created successfully. This commit adds checks before attempting to access the streams. PR-URL: #3799 Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Evan Lucas <evanlucas@me.com> Reviewed-By: James M Snell <jasnell@gmail.com>
cjihrig
added a commit
that referenced
this pull request
Dec 23, 2015
When a child process is spawned, there is no guarantee that stdout and stderr will be created successfully. This commit adds checks before attempting to access the streams. PR-URL: #3799 Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Evan Lucas <evanlucas@me.com> Reviewed-By: James M Snell <jasnell@gmail.com>
# for free
to join this conversation on GitHub.
Already have an account?
# to comment
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.
When a child process is spawned, there is no guarantee that
stdoutandstderrwill be created successfully. This commit adds checks before attempting to access the streams.This is related to #1321. It prevents Node from synchronously throwing
TypeError: Cannot read property 'addListener' of undefined. Instead, an async error,EAGAINis provided to the callback.