Date: Thu, 09 Jul 2026 13:41:43 +0000 From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: e1ab35148dd4 - main - netmap: Don't assume that user-provided strings are nul-terminated Message-ID: <6a4fa517.20430.4457887a@gitrepo.freebsd.org>
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The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=e1ab35148dd425340a88a2acaf10b972cb119f8f commit e1ab35148dd425340a88a2acaf10b972cb119f8f Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2026-07-08 17:11:05 +0000 Commit: Mark Johnston <markj@FreeBSD.org> 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) {home | help
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