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- newest buffer overflow fix
[packages/openssh.git] / openssh-buffer_c_overflow.patch
1 --- buffer.c~   Tue Sep 16 16:18:17 2003
2 +++ buffer.c    Tue Sep 16 16:26:59 2003
3 @@ -69,6 +69,7 @@
4  void *
5  buffer_append_space(Buffer *buffer, u_int len)
6  {
7 +       u_int newlen;
8         void *p;
9  
10         /* If the buffer is empty, start using it from the beginning. */
11 @@ -95,8 +96,11 @@
12                 goto restart;
13         }
14         /* Increase the size of the buffer and retry. */
15 -       buffer->alloc += len + 32768;
16 -       buffer->buf = xrealloc(buffer->buf, buffer->alloc);
17 +       newlen = buffer->alloc + len + 32768;
18 +       if (newlen > 0xa00000)
19 +               fatal("buffer_append_space: alloc %u not supported", newlen);
20 +       buffer->buf = xrealloc(buffer->buf, newlen);
21 +       buffer->alloc = newlen;
22         goto restart;
23         /* NOTREACHED */
24  }
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