Commit: patch 9.2.0159: Crash when reading quickfix line

[Christian Brabandt]

patch 9.2.0159: Crash when reading quickfix line

Commit: https://github.com/vim/vim/commit/8d13b8244a41d2457bc5049bdd0bb0238a754ede
Author: Christian Brabandt <c...@256bit.org>
Date: Fri Mar 13 21:45:26 2026 +0000

patch 9.2.0159: Crash when reading quickfix line

Problem: Crash when reading quickfix line (Kaiyu Xie)
Solution: Make sure line is terminated by NUL

closes: #19667

Supported by AI

Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/src/quickfix.c b/src/quickfix.c
index b6fa2b65d..cffe635ea 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -838,6 +838,7 @@ qf_get_next_file_line(qfstate_T *state)
// Copy the read part of the line, excluding null-terminator
memcpy(state->growbuf, IObuff, IOSIZE - 1);
growbuflen = state->linelen;
+ state->growbuf[growbuflen] = NUL;

for (;;)
{
diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
index 4c61b6b2e..fd97fd106 100644
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -6992,4 +6992,19 @@ func Test_quickfixtextfunc_wipes_buffer()
bw
endfunc

+func Test_quickfix_longline_noeol()
+ CheckRunVimInTerminal
+ let qf = 'Xquickfix'
+ let args = $"-q {qf}"
+ let after =<< trim [CODE]
+ call writefile(['okay'], "XDONE")
+ qall!
+ [CODE]
+ defer delete("XDONE")
+ call writefile([repeat('A', 1024)], qf, 'bD')
+ call RunVim([], after, args)
+ call WaitForAssert({-> assert_true(filereadable("XDONE"))})
+ call assert_equal(['okay'], readfile("XDONE"))
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
index 3874a3778..a55c7a1ab 100644
--- a/src/version.c
+++ b/src/version.c
@@ -734,6 +734,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 159,
/**/
158,
/**/