The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=e1ab35148dd425340a88a2acaf10b972cb119f8f
commit e1ab35148dd425340a88a2acaf10b972cb119f8f Author: Mark Johnston <[email protected]> AuthorDate: 2026-07-08 17:11:05 +0000 Commit: Mark Johnston <[email protected]> CommitDate: 2026-07-09 13:41:19 +0000 netmap: Don't assume that user-provided strings are nul-terminated MFC after: 1 week Sponsored by: The FreeBSD Foundation --- sys/dev/netmap/netmap_bdg.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/dev/netmap/netmap_bdg.c b/sys/dev/netmap/netmap_bdg.c index bcb45f55d160..1fe5052448f8 100644 --- a/sys/dev/netmap/netmap_bdg.c +++ b/sys/dev/netmap/netmap_bdg.c @@ -1043,6 +1043,10 @@ netmap_bdg_config(struct nm_ifreq *nr) struct nm_bridge *b; int error = EINVAL; + if (strnlen(nr->nifr_name, sizeof(nr->nifr_name)) >= + sizeof(nr->nifr_name)) + return error; + NMG_LOCK(); b = nm_find_bridge(nr->nifr_name, 0, NULL); if (!b) {
