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-rw-r--r--debian/patches/upstream/patch-8.2.3409-reading-beyond-end-of-line-with-invalid-ut.patch56
1 files changed, 56 insertions, 0 deletions
diff --git a/debian/patches/upstream/patch-8.2.3409-reading-beyond-end-of-line-with-invalid-ut.patch b/debian/patches/upstream/patch-8.2.3409-reading-beyond-end-of-line-with-invalid-ut.patch
new file mode 100644
index 0000000..bc7c8d7
--- /dev/null
+++ b/debian/patches/upstream/patch-8.2.3409-reading-beyond-end-of-line-with-invalid-ut.patch
@@ -0,0 +1,56 @@
+From: Bram Moolenaar <Bram@vim.org>
+Date: Tue, 7 Sep 2021 19:26:53 +0200
+Subject: patch 8.2.3409: reading beyond end of line with invalid utf-8
+ character
+
+Problem: Reading beyond end of line with invalid utf-8 character.
+Solution: Check for NUL when advancing.
+---
+ src/regexp_nfa.c | 3 ++-
+ src/testdir/test_regexp_utf8.vim | 8 ++++++++
+ src/version.c | 1 +
+ 3 files changed, 11 insertions(+), 1 deletion(-)
+
+diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c
+index 064d90a..46604bd 100644
+--- a/src/regexp_nfa.c
++++ b/src/regexp_nfa.c
+@@ -5479,7 +5479,8 @@ find_match_text(colnr_T startcol, int regstart, char_u *match_text)
+ match = FALSE;
+ break;
+ }
+- len2 += MB_CHAR2LEN(c2);
++ len2 += enc_utf8 ? utf_ptr2len(rex.line + col + len2)
++ : MB_CHAR2LEN(c2);
+ }
+ if (match
+ // check that no composing char follows
+diff --git a/src/testdir/test_regexp_utf8.vim b/src/testdir/test_regexp_utf8.vim
+index a7d1020..58386ac 100644
+--- a/src/testdir/test_regexp_utf8.vim
++++ b/src/testdir/test_regexp_utf8.vim
+@@ -558,4 +558,12 @@ func Test_match_char_class_upper()
+ bwipe!
+ endfunc
+
++func Test_match_invalid_byte()
++ call writefile(0z630a.765d30aa0a.2e0a.790a.4030, 'Xinvalid')
++ new
++ source Xinvalid
++ bwipe!
++ call delete('Xinvalid')
++endfunc
++
+ " vim: shiftwidth=2 sts=2 expandtab
+diff --git a/src/version.c b/src/version.c
+index c3c64d5..b34d74a 100644
+--- a/src/version.c
++++ b/src/version.c
+@@ -5633,6 +5633,7 @@ static char *(extra_patches[]) =
+ { /* Add your patch description below this line */
+ "8.2.3402",
+ "8.2.3403",
++ "8.2.3409",
+ /**/
+ NULL
+ };