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(parent: 2d43bee) | patch
gh-105235: Prevent reading outside buffer during mmap.find() (#105252)
authorDennis Sweeney <36520290+sweeneyde@users.noreply.github.com>
Thu, 13 Jul 2023 02:50:45 +0000 (22:50 -0400)
committerGitHub <noreply@github.com>
Thu, 13 Jul 2023 02:50:45 +0000 (22:50 -0400)
commitab86426a3472ab68747815299d390b213793c3d1
tree64e15afa53d2d037a1e80c0b102e2903be7c61d8tree | snapshot
parent2d43beec225a0495ffa0344f961b99717e5f1106commit | diff
gh-105235: Prevent reading outside buffer during mmap.find() (#105252)

* Add a special case for s[-m:] == p in _PyBytes_Find

* Add tests for _PyBytes_Find

* Make sure that start <= end in mmap.find
Lib/test/test_mmap.py diff | blob | blame | history
Misc/NEWS.d/next/Core and Builtins/2023-06-02-19-37-29.gh-issue-105235.fgFGTi.rst [new file with mode: 0644] blob
Modules/_testinternalcapi.c diff | blob | blame | history
Modules/mmapmodule.c diff | blob | blame | history
Objects/bytesobject.c diff | blob | blame | history
Mirror of https://github.com/python/cpython.git