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vim-patch:9.0.1840: [security] use-after-free in do_ecmd (#24993)

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Problem:  use-after-free in do_ecmd
Solution: Verify oldwin pointer after reset_VIsual()

e1dc9a6275

N/A patches for version.c:
vim-patch:9.0.1841: style: trailing whitespace in ex_cmds.c

Co-authored-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
zeertzjq
2023-09-03 11:15:43 +08:00
committed by GitHub
parent f32a69630d
commit 087ef52997
3 changed files with 49 additions and 0 deletions
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16
test/functional/legacy/crash_spec.lua Normal file
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@@ -0,0 +1,16 @@
local helpers = require('test.functional.helpers')(after_each)
local assert_alive = helpers.assert_alive
local clear = helpers.clear
local command = helpers.command
local feed = helpers.feed
before_each(clear)
-- oldtest: Test_crash1()
it('no crash when ending Visual mode while editing buffer closes window', function()
command('new')
command('autocmd ModeChanged v:n ++once close')
feed('v')
command('enew')
assert_alive()
end)