Date: Wed, 1 Oct 2025 09:38:45 GMT From: Ahmad Khalifa <vexeduxr@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 51cac1f186f5 - stable/13 - ng_tty: copy to the correct mbuf Message-ID: <202510010938.5919cjud016330@gitrepo.freebsd.org>
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The branch stable/13 has been updated by vexeduxr: URL: https://cgit.FreeBSD.org/src/commit/?id=51cac1f186f549522aad8a0858ea1ff4413cb8fb commit 51cac1f186f549522aad8a0858ea1ff4413cb8fb Author: Ahmad Khalifa <vexeduxr@FreeBSD.org> AuthorDate: 2025-09-25 16:54:28 +0000 Commit: Ahmad Khalifa <vexeduxr@FreeBSD.org> CommitDate: 2025-10-01 08:50:57 +0000 ng_tty: copy to the correct mbuf memcpy should copy to the current mbuf, otherwise we're copying to the first mbuf in the chain over and over. Reported by: kevans Reviewed by: glebius MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D52713 (cherry picked from commit e05521121f05a1b1e0d7c7b5fbe79f83fc303cd0) --- sys/netgraph/ng_tty.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/netgraph/ng_tty.c b/sys/netgraph/ng_tty.c index c7d8a1b64eac..0e3230a66f66 100644 --- a/sys/netgraph/ng_tty.c +++ b/sys/netgraph/ng_tty.c @@ -427,7 +427,7 @@ ngt_rint_bypass(struct tty *tp, const void *buf, size_t len) for (mb = m; mb != NULL; mb = mb->m_next) { length = min(M_TRAILINGSPACE(mb), len - total); - memcpy(mtod(m, char *), (const char *)buf + total, length); + memcpy(mtod(mb, char *), (const char *)buf + total, length); mb->m_len = length; total += length; m->m_pkthdr.len += length;
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