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vim-patch:partial:9.0.1859: heap-use-after-free in bt_normal()

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Problem:  heap-use-after-free in bt_normal()
Solution: check that buffer is still valid

6e60cf444a

Test change only.

Co-authored-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
zeertzjq 2023-11-17 09:15:38 +08:00
parent 8dc72789cf
commit bbb363f4bc
2 changed files with 15 additions and 0 deletions
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5
test/old/testdir/crash/bt_quickfix1_poc Normal file
View File

@ -0,0 +1,5 @@
au BufReadPre * exe 'sn' .. expand("<abuf>")
call writefile([''],'X')
sil! e X
call writefile([''],'X')
sil! e X

10
test/old/testdir/test_crash.vim
View File

@ -49,6 +49,15 @@ func Test_crash1()
call TermWait(buf, 100)
let file = 'crash/bt_quickfix1_poc'
let args = printf(cmn_args, vim, file)
call term_sendkeys(buf, args ..
\ ' && echo "crash 6: [OK]" >> X_crash1_result.txt' .. "\<cr>")
" clean up
call delete('X')
" This test takes a bit longer
call TermWait(buf, 200)
" clean up
exe buf .. "bw!"
@ -60,6 +69,7 @@ func Test_crash1()
\ 'crash 3: [OK]',
\ 'crash 4: [OK]',
\ 'crash 5: [OK]',
\ 'crash 6: [OK]',
\ ]
call assert_equal(expected, getline(1, '$'))