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charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: markj X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: 5af72e6ab368e1765606ce9f3fcf1946bfd38bbc Auto-Submitted: auto-generated Date: Mon, 27 Jul 2026 19:14:55 +0000 Message-Id: <6a67ae2f.38e0f.a6e6f06@gitrepo.freebsd.org> The branch stable/15 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=5af72e6ab368e1765606ce9f3fcf1946bfd38bbc commit 5af72e6ab368e1765606ce9f3fcf1946bfd38bbc Author: Mark Johnston AuthorDate: 2026-07-08 17:11:05 +0000 Commit: Mark Johnston CommitDate: 2026-07-27 17:34:31 +0000 netmap: Don't assume that user-provided strings are nul-terminated MFC after: 1 week Sponsored by: The FreeBSD Foundation (cherry picked from commit e1ab35148dd425340a88a2acaf10b972cb119f8f) --- 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) {