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zlib: Fix use after null when calling .close #5982

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lightsofapollo
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Pull Request check-list

Please make sure to review and check all of these items:

  • Does make -j8 test (UNIX) or vcbuild test nosign (Windows) pass with
    this change (including linting)?
  • Is the commit message formatted according to CONTRIBUTING.md?
  • If this change fixes a bug (or a performance problem), is a regression
    test (or a benchmark) included?
  • Is a documentation update included (if this change modifies
    existing APIs, or introduces new ones)?

NOTE: these things are not required to open a PR and can be done
afterwards / while the PR is open.

Affected core subsystem(s)

  • zlib

Description of change

An internal zlib error may cause _handle to be set to null.
Close now will check if there is a _handle prior to calling .close on
it.

@lightsofapollo
zlib: Fix use after null when calling .close
094e34e 
An internal zlib error may cause _handle to be set to null.
Close now will check if there is a _handle prior to calling .close on
it.
@Fishrock123 Fishrock123 added the zlib Issues and PRs related to the zlib subsystem. label Mar 31, 2016
@mscdex
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mscdex commented Mar 31, 2016

LGTM

@addaleax
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LGTM too, if that’s worth anything. Adding a test for this should not be too complicated, I think?

@lightsofapollo
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I will give a shot adding a test tonight thanks for quick r?

@cjihrig
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cjihrig commented Mar 31, 2016

LGTM. +1 to a test.

@jasnell
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jasnell commented Apr 1, 2016

LGTM with a test

@headlessme headlessme mentioned this pull request Apr 4, 2016
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@xPaw xPaw mentioned this pull request Apr 12, 2016
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@jasnell
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jasnell commented Apr 13, 2016

ping @lightsofapollo ... have you had a chance to look at the test yet?

@addaleax
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CI: https://ci.nodejs.org/job/node-test-commit/2962/
I’m going to land this and add a regression test based on the code #6034 if it comes out green.

@addaleax addaleax mentioned this pull request Apr 19, 2016
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addaleax commented Apr 19, 2016 •
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Landed in c7fef3d, and added those as reviewers whose LGTMs I read as not necessarily depending on a test in this PR. PR for the regression test: #6270

@addaleax addaleax closed this Apr 19, 2016
addaleax pushed a commit that referenced this pull request Apr 19, 2016
@lightsofapollo @addaleax
zlib: fix use after null when calling .close
c7fef3d 
An internal zlib error may cause _handle to be set to null.
Close now will check if there is a _handle prior to calling .close on
it.

PR-URL: #5982
Fixes: #6034
Reviewed-By: Brian White <mscdex@mscdex.net>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
MylesBorins pushed a commit that referenced this pull request Apr 20, 2016
@lightsofapollo
zlib: fix use after null when calling .close
bad006f 
An internal zlib error may cause _handle to be set to null.
Close now will check if there is a _handle prior to calling .close on
it.

PR-URL: #5982
Fixes: #6034
Reviewed-By: Brian White <mscdex@mscdex.net>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
This was referenced Apr 21, 2016
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@MylesBorins
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needs to be included with f8e507e when backported

MylesBorins pushed a commit that referenced this pull request Apr 21, 2016
@lightsofapollo @MylesBorins
zlib: fix use after null when calling .close
4f6f599 
An internal zlib error may cause _handle to be set to null.
Close now will check if there is a _handle prior to calling .close on
it.

PR-URL: #5982
Fixes: #6034
Reviewed-By: Brian White <mscdex@mscdex.net>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
joelostrowski pushed a commit to joelostrowski/node that referenced this pull request Apr 25, 2016
@lightsofapollo @joelostrowski
zlib: fix use after null when calling .close
8dbd5c5 
An internal zlib error may cause _handle to be set to null.
Close now will check if there is a _handle prior to calling .close on
it.

PR-URL: nodejs#5982
Fixes: nodejs#6034
Reviewed-By: Brian White <mscdex@mscdex.net>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
jasnell pushed a commit that referenced this pull request Apr 26, 2016
@lightsofapollo @jasnell
zlib: fix use after null when calling .close
bd944e3 
An internal zlib error may cause _handle to be set to null.
Close now will check if there is a _handle prior to calling .close on
it.

PR-URL: #5982
Fixes: #6034
Reviewed-By: Brian White <mscdex@mscdex.net>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
MylesBorins pushed a commit that referenced this pull request May 17, 2016
@lightsofapollo
zlib: fix use after null when calling .close
0cc1e0f 
An internal zlib error may cause _handle to be set to null.
Close now will check if there is a _handle prior to calling .close on
it.

PR-URL: #5982
Fixes: #6034
Reviewed-By: Brian White <mscdex@mscdex.net>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
MylesBorins pushed a commit that referenced this pull request May 18, 2016
@lightsofapollo
zlib: fix use after null when calling .close
48684af 
An internal zlib error may cause _handle to be set to null.
Close now will check if there is a _handle prior to calling .close on
it.

PR-URL: #5982
Fixes: #6034
Reviewed-By: Brian White <mscdex@mscdex.net>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
@MylesBorins MylesBorins mentioned this pull request May 18, 2016
Merged
@fippo fippo mentioned this pull request Jul 7, 2016
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@lightsofapollo @mscdex @addaleax @cjihrig @jasnell @MylesBorins @Fishrock123