D54148.id167819.diff
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	diff --git a/sys/netlink/netlink_snl.h b/sys/netlink/netlink_snl.h
	--- a/sys/netlink/netlink_snl.h
	+++ b/sys/netlink/netlink_snl.h
	@@ -1083,6 +1083,7 @@
	snl_realloc_msg_buffer(struct snl_writer *nw, size_t sz)
	{
	uint32_t new_size = nw->size * 2;
	+ char *new_base;

	while (new_size < nw->size + sz)
	new_size *= 2;
	@@ -1090,23 +1091,20 @@
	if (nw->error)
	return (false);

	- if (snl_allocz(nw->ss, new_size) == NULL) {
	+ new_base = snl_allocz(nw->ss, new_size);
	+ if (new_base == NULL) {
	nw->error = true;
	return (false);
	}
	- nw->size = new_size;

	- void *new_base = nw->ss->lb->base;
	- if (new_base != nw->base) {
	- memcpy(new_base, nw->base, nw->offset);
	- if (nw->hdr != NULL) {
	- int hdr_off = (char *)(nw->hdr) - nw->base;
	+ memcpy(new_base, nw->base, nw->offset);
	+ if (nw->hdr != NULL) {
	+ int hdr_off = (char *)(nw->hdr) - nw->base;

	- nw->hdr = (struct nlmsghdr *)
	- (void )((char )new_base + hdr_off);
	- }
	- nw->base = (char *)new_base;
	+ nw->hdr = (struct nlmsghdr )(void )(new_base + hdr_off);
	}
	+ nw->base = new_base;
	+ nw->size = new_size;

	return (true);
	}