Date: Mon, 10 Feb 2025 14:47:47 GMT From: Mateusz Guzik <mjg@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 0fd31cf69032 - main - mroute: fix a sysctl vs teardown race Message-ID: <202502101447.51AEllgJ010674@gitrepo.freebsd.org>
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The branch main has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=0fd31cf690328558b8a12ff65397438efc345932 commit 0fd31cf690328558b8a12ff65397438efc345932 Author: Mateusz Guzik <mjg@FreeBSD.org> AuthorDate: 2025-02-10 14:45:17 +0000 Commit: Mateusz Guzik <mjg@FreeBSD.org> CommitDate: 2025-02-10 14:45:36 +0000 mroute: fix a sysctl vs teardown race Sponsored by: Rubicon Communications, LLC ("Netgate") --- sys/netinet/ip_mroute.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sys/netinet/ip_mroute.c b/sys/netinet/ip_mroute.c index 6e6ecd43e9fe..e224d2e6daf5 100644 --- a/sys/netinet/ip_mroute.c +++ b/sys/netinet/ip_mroute.c @@ -2739,6 +2739,9 @@ sysctl_mfctable(SYSCTL_HANDLER_ARGS) return (error); MRW_RLOCK(); + if (V_mfchashtbl == NULL) + goto out_locked; + for (i = 0; i < mfchashsize; i++) { LIST_FOREACH(rt, &V_mfchashtbl[i], mfc_hash) { error = SYSCTL_OUT(req, rt, sizeof(struct mfc));
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