Patch 7.2.297
Problem: Reading freed memory when writing ":reg" output to a register.
(Dominique Pelle)
Solution: Skip the register being written to.
Files: src/ops.c
*** ../vim-7.2.296/src/ops.c 2009-11-11 17:22:30.000000000 +0100
--- src/ops.c 2009-11-11 19:30:47.000000000 +0100
***************
*** 3991,3996 ****
--- 3991,4004 ----
}
else
yb = &(y_regs[i]);
+
+ #ifdef FEAT_EVAL
+ if (name == MB_TOLOWER(redir_reg)
+ || (redir_reg == '"' && yb == y_previous))
+ continue; /* do not list register being written to, the
+ * pointer can be freed */
+ #endif
+
if (yb->y_array != NULL)
{
msg_putchar('\n');
***************
*** 6090,6096 ****
long maxlen;
#endif
! if (y_ptr->y_array == NULL) /* NULL means emtpy register */
y_ptr->y_size = 0;
/*
--- 6098,6104 ----
long maxlen;
#endif
! if (y_ptr->y_array == NULL) /* NULL means empty register */
y_ptr->y_size = 0;
/*
*** ../vim-7.2.296/src/version.c 2009-11-17 12:31:30.000000000 +0100
--- src/version.c 2009-11-17 12:42:28.000000000 +0100
***************
*** 683,684 ****
--- 683,686 ----
{ /* Add new patch number below this line */
+ /**/
+ 297,
/**/
--
"Beware of bugs in the above code; I have only proved
it correct, not tried it." -- Donald Knuth
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
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