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patch 8.0.1047: buffer overflow in Ruby

Problem:    Buffer overflow in Ruby.
Solution:   Allocate one more byte. (Dominique Pelle)
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brammool committed Sep 3, 2017
1 parent ae96b8d commit 00ccf54630dc68a9b8aedb92b268f3b697081f68
Showing with 3 additions and 1 deletion.
  1. +1 −1 src/if_ruby.c
  2. +2 −0 src/version.c
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@@ -984,7 +984,7 @@ static VALUE vim_message(VALUE self UNUSED, VALUE str)
if (RSTRING_LEN(str) > 0)
{
/* Only do this when the string isn't empty, alloc(0) causes trouble. */
buff = ALLOCA_N(char, RSTRING_LEN(str));
buff = ALLOCA_N(char, RSTRING_LEN(str) + 1);
strcpy(buff, RSTRING_PTR(str));
p = strchr(buff, '\n');
if (p) *p = '\0';
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@@ -769,6 +769,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1047,
/**/
1046,
/**/

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