annotate runtime/compiler/dartanalyser.vim @ 33879:d418c82f02a4 v9.0.2149

patch 9.0.2149: [security]: use-after-free in exec_instructions() Commit: https://github.com/vim/vim/commit/5dd41d4b6370b7b7d09d691f9252b3899c66102a Author: Christian Brabandt <cb@256bit.org> Date: Mon Dec 4 22:52:23 2023 +0100 patch 9.0.2149: [security]: use-after-free in exec_instructions() Problem: [security]: use-after-free in exec_instructions() Solution: get tv pointer again [security]: use-after-free in exec_instructions() exec_instructions may access freed memory, if the GA_GROWS_FAILS() re-allocates memory. When this happens, the typval tv may still point to now already freed memory. So let's get that pointer again and compare it with tv. If those two pointers differ, tv is now invalid and we have to refresh the tv pointer. closes: #13621 Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Sun, 10 Dec 2023 15:16:17 +0100
parents d4c7b3e9cd17
children e1df51f68736
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1 " Vim compiler file
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2 " Compiler: Dart Analyzer
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3 " Maintainer: Doug Kearns <dougkearns@gmail.com>
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4 " Last Change: 2019 May 08
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5
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6 if exists("current_compiler")
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7 finish
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8 endif
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9 let current_compiler = "dartanalyzer"
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10
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11 if exists(":CompilerSet") != 2 " older Vim always used :setlocal
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12 command -nargs=* CompilerSet setlocal <args>
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13 endif
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14
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15 let s:cpo_save = &cpo
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16 set cpo&vim
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17
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18 CompilerSet makeprg=dartanalyzer\ --format\ machine
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19 CompilerSet errorformat=%t%\\w%\\+\|%\\w%\\+\|%\\w%\\+\|%f\|%l\|%c\|%\\d%\\+\|%m,
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20 \%-G%.%#
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21
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22 let &cpo = s:cpo_save
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23 unlet s:cpo_save