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authorBram Moolenaar <Bram@vim.org>2021-09-07 19:26:53 +0200
committerBram Moolenaar <Bram@vim.org>2021-09-07 19:26:53 +0200
commit65b605665997fad54ef39a93199e305af2fe4d7f (patch)
tree2d8c3f5bd283e794dd2c3911b46f9a7485e09365
parentddfc05100a29263a682dd96bb924dfde4354a654 (diff)
downloadvim-git-65b605665997fad54ef39a93199e305af2fe4d7f.tar.gz
patch 8.2.3409: reading beyond end of line with invalid utf-8 characterv8.2.3409
Problem: Reading beyond end of line with invalid utf-8 character. Solution: Check for NUL when advancing.
-rw-r--r--src/regexp_nfa.c3
-rw-r--r--src/testdir/test_regexp_utf8.vim8
-rw-r--r--src/version.c2
3 files changed, 12 insertions, 1 deletions
diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c
index 9757d7c47..c7db98187 100644
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -5664,7 +5664,8 @@ 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 9f0ffb9aa..044aeffb6 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 54533dc91..0eb6899ed 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 3409,
+/**/
3408,
/**/
3407,