Date: Thu, 30 Jul 2026 14:13:05 +0000 From: Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: c4d7745cd90f - main - if_vxlan(4): Fix panic by validating unused drvspec values Message-ID: <6a6b5bf1.1e9dd.314b513e@gitrepo.freebsd.org>
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The branch main has been updated by pouria: URL: https://cgit.FreeBSD.org/src/commit/?id=c4d7745cd90fc99af3cbccfda7e11798ea7d187b commit c4d7745cd90fc99af3cbccfda7e11798ea7d187b Author: Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> AuthorDate: 2026-07-30 13:41:51 +0000 Commit: Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> CommitDate: 2026-07-30 14:10:36 +0000 if_vxlan(4): Fix panic by validating unused drvspec values Add validation for unused parameter values in the gap between VXLAN_PARAM_WITH_LOCAL_ADDR4 and VXLAN_PARAM_WITH_LOCAL_ADDR6 to prevent panics. PR: 297151 Reported by: Robert Morris <rtm@lcs.mit.edu> Reviewed by: markj MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D58552 --- sys/net/if_vxlan.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/net/if_vxlan.c b/sys/net/if_vxlan.c index da219217480f..e69f8e1f75a1 100644 --- a/sys/net/if_vxlan.c +++ b/sys/net/if_vxlan.c @@ -2309,7 +2309,8 @@ vxlan_ioctl_drvspec(struct vxlan_softc *sc, struct ifdrv *ifd, int get) } args; int out, error; - if (ifd->ifd_cmd >= vxlan_control_table_size) + if (ifd->ifd_cmd >= vxlan_control_table_size || + vxlan_control_table[ifd->ifd_cmd].vxlc_func == NULL) return (EINVAL); bzero(&args, sizeof(args));home | help
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