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bpo-40020: Fix realloc leak on failure in growable_comment_array_add (GH-19083)
authorAlexander Riccio <test35965@gmail.com>
Mon, 30 Mar 2020 21:15:59 +0000 (17:15 -0400)
committerGitHub <noreply@github.com>
Mon, 30 Mar 2020 21:15:59 +0000 (23:15 +0200)
commit51e3e450fbed46198d9be92add1a5dee6a1f7f41
tree14d0f753604a99b7759994a7f0c61da61abedc94tree | snapshot
parentfc2d8d62af25be90f5fd490df141a775d9619b23commit | diff
bpo-40020: Fix realloc leak on failure in growable_comment_array_add (GH-19083)

Fix a leak and subsequent crash in parsetok.c caused by realloc misuse on a rare codepath.

Realloc returns a null pointer on failure, and then growable_comment_array_deallocate crashes later when it dereferences it.
Misc/NEWS.d/next/Core and Builtins/2020-03-19-21-53-41.bpo-40020.n-26G7.rst [new file with mode: 0644] blob
Parser/parsetok.c diff | blob | blame | history
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