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[Skip Issue] Fix a possible decref of a borrowed reference in symtable.c #9786

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merged 1 commit into from Oct 11, 2018
Merged

[Skip Issue] Fix a possible decref of a borrowed reference in symtable.c #9786

merged 1 commit into from Oct 11, 2018

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ZackerySpytz
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@ZackerySpytz ZackerySpytz commented Oct 10, 2018 •
edited

If PyObject_GetIter() fails in update_symbols(), name will be decrefed, but name is a borrowed reference at this point.

@ZackerySpytz ZackerySpytz changed the title [Skip Issue] Fix a possible decrerf of a borrowed reference in symtable.c [Skip Issue] Fix a possible decref of a borrowed reference in symtable.c Oct 10, 2018
@asvetlov
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If it is a fix for possible interpreter crash -- please create an issue.
The change is important enough to be tracked.

@serhiy-storchaka serhiy-storchaka merged commit fc439d2 into python:master Oct 11, 2018
@miss-islington
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Thanks @ZackerySpytz for the PR, and @serhiy-storchaka for merging it 🌮🎉.. I'm working now to backport this PR to: 2.7, 3.6, 3.7.
🐍🍒⛏🤖 I'm not a witch! I'm not a witch!

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Oct 11, 2018
@ZackerySpytz @miss-islington
Fix a possible decref of a borrowed reference in symtable.c. (pythonG…
3567ee9 
…H-9786)

(cherry picked from commit fc439d2)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
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GH-9799 is a backport of this pull request to the 3.7 branch.

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GH-9800 is a backport of this pull request to the 3.6 branch.

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Oct 11, 2018
@ZackerySpytz @miss-islington
Fix a possible decref of a borrowed reference in symtable.c. (pythonG…
cd39df7 
…H-9786)

(cherry picked from commit fc439d2)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
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Sorry, @ZackerySpytz and @serhiy-storchaka, I could not cleanly backport this to 2.7 due to a conflict.
Please backport using cherry_picker on command line.
cherry_picker fc439d20de32b0ebccca79a96e31f83b85ec4eaf 2.7

@serhiy-storchaka serhiy-storchaka removed their assignment Oct 11, 2018
@serhiy-storchaka serhiy-storchaka added the type-bug An unexpected behavior, bug, or error label Oct 11, 2018
miss-islington added a commit that referenced this pull request Oct 11, 2018
@miss-islington @ZackerySpytz
Fix a possible decref of a borrowed reference in symtable.c. (GH-9786)
1c2cb51 
(cherry picked from commit fc439d2)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
miss-islington added a commit that referenced this pull request Oct 11, 2018
@miss-islington @ZackerySpytz
Fix a possible decref of a borrowed reference in symtable.c. (GH-9786)
1a23abe 
(cherry picked from commit fc439d2)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
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@4383 4383 4383 approved these changes

@serhiy-storchaka serhiy-storchaka serhiy-storchaka approved these changes

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