patch 9.1.1611: possible undefined behaviour in mb_decompose() Commit: https://github.com/vim/vim/commit/c43a0614d40a3892a9cb2b9d75f61a19a3de0226 Author: Áron Hárnási <aron.harn...@gmail.com> Date: Sat Aug 9 23:43:13 2025 +0200
patch 9.1.1611: possible undefined behaviour in mb_decompose() Problem: possible undefined behaviour in mb_decompose(), when using the same pointer as argument several times Solution: use separate assignments to avoid reading and writing the same object at the same time (Áron Hárnási) closes: #17953 Signed-off-by: Áron Hárnási <aron.harn...@gmail.com> Signed-off-by: Christian Brabandt <c...@256bit.org> diff --git a/src/regexp.c b/src/regexp.c index e37dd3c5b..305ca896e 100644 --- a/src/regexp.c +++ b/src/regexp.c @@ -1722,7 +1722,8 @@ mb_decompose(int c, int *c1, int *c2, int *c3) else { *c1 = c; - *c2 = *c3 = 0; + *c2 = 0; + *c3 = 0; } } diff --git a/src/version.c b/src/version.c index e2c46855e..4716c5d0d 100644 --- a/src/version.c +++ b/src/version.c @@ -719,6 +719,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ +/**/ + 1611, /**/ 1610, /**/ -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to vim_dev+unsubscr...@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/vim_dev/E1ukrbh-005CWN-U3%40256bit.org.