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os: fix memory leak in userInfo() #23893

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os: fix memory leak in userInfo() #23893

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addaleax
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This previously leaked memory in the ‘success’ case.

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  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines

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@addaleax build started: https://ci.nodejs.org/blue/organizations/jenkins/node-test-pull-request-lite-pipeline/detail/node-test-pull-request-lite-pipeline/1375/pipeline

@nodejs-github-bot nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. os Issues and PRs related to the os subsystem. labels Oct 26, 2018
@addaleax
os: fix memory leak in userInfo()
1d0c4f8 
This previously leaked memory in the ‘success’ case.
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CI: https://ci.nodejs.org/job/node-test-pull-request/18167/

targos
targos reviewed Oct 26, 2018
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src/node_os.cc Outdated
@@ -360,6 +360,7 @@ static void GetUserInfo(const FunctionCallbackInfo<Value>& args) {
}

const int err = uv_os_get_passwd(&pwd);
OnScopeLeave free_passwd([&]() { uv_os_free_passwd(&pwd); });
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is it safe to call it if uv_os_get_passwd returned an error?

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Yeah, I think you’re right, we shouldn’t do that. I’ve moved it below the conditional 👍

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danbev commented Oct 31, 2018

Landed in d690a87.

@danbev danbev closed this Oct 31, 2018
danbev pushed a commit that referenced this pull request Oct 31, 2018
@addaleax @danbev
os: fix memory leak in userInfo()
d690a87 
This previously leaked memory in the ‘success’ case.

PR-URL: #23893
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
targos pushed a commit that referenced this pull request Nov 1, 2018
@addaleax @targos
os: fix memory leak in userInfo()
3e512f1 
This previously leaked memory in the ‘success’ case.

PR-URL: #23893
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@targos targos mentioned this pull request Nov 1, 2018
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This was referenced Nov 2, 2018
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@MylesBorins
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Lands cleanly on 10 but not on 8

It would appear the leak actually doesn't exist on 8 so I'm marking as don't land

@addaleax addaleax deleted the os-mem-leak branch November 27, 2018 00:57
MylesBorins pushed a commit that referenced this pull request Nov 27, 2018
@addaleax @MylesBorins
os: fix memory leak in userInfo()
ac73050 
This previously leaked memory in the ‘success’ case.

PR-URL: #23893
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@codebytere codebytere mentioned this pull request Nov 27, 2018
Closed
rvagg pushed a commit that referenced this pull request Nov 28, 2018
@addaleax @rvagg
os: fix memory leak in userInfo()
771caa4 
This previously leaked memory in the ‘success’ case.

PR-URL: #23893
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
MylesBorins pushed a commit that referenced this pull request Nov 29, 2018
@addaleax @MylesBorins
os: fix memory leak in userInfo()
4a79bef 
This previously leaked memory in the ‘success’ case.

PR-URL: #23893
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@codebytere codebytere mentioned this pull request Nov 29, 2018
Merged
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@jasnell jasnell jasnell approved these changes

@targos targos targos approved these changes

@cjihrig cjihrig cjihrig approved these changes

@richardlau richardlau richardlau approved these changes

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