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bpo-29438: fixed use-after-free in key sharing dict #17

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merged 1 commit into from
Feb 12, 2017

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@methane methane commented Feb 11, 2017

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methane commented Feb 11, 2017

Patch for Python 3.5 is slightly differ from this PR.
But I'm waiting 3.5 branch has .travis.yml

@methane methane force-pushed the bpo29438/fix-dict-useafterfree branch from c38d9fe to 2dd62f6 Compare February 11, 2017 03:22
@methane methane added the type-bug An unexpected behavior, bug, or error label Feb 11, 2017
@@ -4352,15 +4352,18 @@ _PyObjectDict_SetItem(PyTypeObject *tp, PyObject **dictptr,
}
if (value == NULL) {
res = PyDict_DelItem(dict, key);
if (cached != ((PyDictObject *)dict)->ma_keys) {
// key sharing dict doesn't allow deletion.
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@zhangyangyu zhangyangyu Feb 11, 2017

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Just as I said this is somewhat misleading and it's better to make it clear.

@methane methane force-pushed the bpo29438/fix-dict-useafterfree branch from 2dd62f6 to bf8bd7e Compare February 11, 2017 05:48
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codecov bot commented Feb 11, 2017

Codecov Report

Merging #17 into master will increase coverage by <.01%.

@@            Coverage Diff             @@
##           master      #17      +/-   ##
==========================================
+ Coverage   82.37%   82.37%   +<.01%     
==========================================
  Files        1427     1427              
  Lines      350948   350948              
==========================================
+ Hits       289088   289095       +7     
+ Misses      61860    61853       -7

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@methane methane merged commit 2294f3a into python:master Feb 12, 2017
@methane methane deleted the bpo29438/fix-dict-useafterfree branch February 12, 2017 04:51
paulmon added a commit to paulmon/cpython that referenced this pull request Jan 10, 2019
jaraco pushed a commit that referenced this pull request Dec 2, 2022
The `html_url` field takes us to the actual comment on GitHub.
`url` field took us to an API JSON response.
nanjekyejoannah added a commit to nanjekyejoannah/cpython that referenced this pull request Dec 13, 2022
17: warn for ssl r=ltratt a=nanjekyejoannah

Warn for `ssl` features.

Co-authored-by: Joannah Nanjekye <jnanjekye@python.org>
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4 participants