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patch 9.1.0700: crash with 2byte encoding and glob2regpat()

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Problem:  possible crash with 2byte encoding and glob2regpat()
Solution: Skip over character, if it is multi-byte character

Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Christian Brabandt 2024-08-28 22:08:35 +02:00
parent f8702aeb8f
commit 1c815b54bb
No known key found for this signature in database
GPG Key ID: F3F92DA383FDDE09
4 changed files with 10 additions and 1 deletions
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3
src/fileio.c
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@ -5714,7 +5714,8 @@ file_pat_to_reg_pat(
)
*allow_dirs = TRUE;
reg_pat[i++] = '\\';
reg_pat[i++] = *p;
if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1)
reg_pat[i++] = *p++;
}
break;
#ifdef BACKSLASH_IN_FILENAME

BIN
src/testdir/crash/heap_overflow_glob2regpat Normal file
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6
src/testdir/test_crash.vim
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@ -222,6 +222,12 @@ func Test_crash1_3()
call term_sendkeys(buf, args)
call TermWait(buf, 150)
let file = 'crash/heap_overflow_glob2regpat'
let cmn_args = "%s -u NONE -i NONE -n -X -m -n -e -s -S %s -c ':qa!'"
let args = printf(cmn_args, vim, file)
call term_sendkeys(buf, args)
call TermWait(buf, 50)
" clean up
exe buf .. "bw!"

2
src/version.c
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@ -704,6 +704,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
700,
/**/
699,
/**/