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patch 8.0.0398: illegal memory access with "t"

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Problem:    Illegal memory access with "t".
Solution:   Use strncmp() instead of memcmp(). (Dominique Pelle, closes #1528)
This commit is contained in:
Bram Moolenaar
2017-03-01 22:17:05 +01:00
parent 5a66dfb25e
commit 66727e1607
3 changed files with 11 additions and 5 deletions
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7
src/search.c
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@@ -1693,12 +1693,9 @@ searchc(cmdarg_T *cap, int t_cmd)
if (p[col] == c && stop) if (p[col] == c && stop)
break; break;
} }
else else if (STRNCMP(p + col, lastc_bytes, lastc_bytelen) == 0
{
if (memcmp(p + col, lastc_bytes, lastc_bytelen) == 0
&& stop) && stop)
break; break;
}
stop = TRUE; stop = TRUE;
} }
} }

7
src/testdir/test_search.vim
View File

@@ -294,3 +294,10 @@ func Test_searchpair()
q! q!
endfunc endfunc
func Test_searchc()
" These commands used to cause memory overflow in searchc().
new
norm ixx
exe "norm 0t\u93cf"
bw!
endfunc

2
src/version.c
View File

@@ -764,6 +764,8 @@ static char *(features[]) =
static int included_patches[] = static int included_patches[] =
{ /* Add new patch number below this line */ { /* Add new patch number below this line */
/**/
398,
/**/ /**/
397, 397,
/**/ /**/