Date: Tue, 29 Sep 2015 11:58:21 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r288362 - head/sys/cddl/dev/sdt Message-ID: <201509291158.t8TBwLd1052484@repo.freebsd.org>
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Author: avg Date: Tue Sep 29 11:58:21 2015 New Revision: 288362 URL: https://svnweb.freebsd.org/changeset/base/288362 Log: sdt: start checking version field when parsing probe definitions This is an extra safety measure. MFC after: 21 days Modified: head/sys/cddl/dev/sdt/sdt.c Modified: head/sys/cddl/dev/sdt/sdt.c ============================================================================== --- head/sys/cddl/dev/sdt/sdt.c Tue Sep 29 11:55:26 2015 (r288361) +++ head/sys/cddl/dev/sdt/sdt.c Tue Sep 29 11:58:21 2015 (r288362) @@ -141,6 +141,12 @@ sdt_create_probe(struct sdt_probe *probe char *to; size_t len; + if (probe->version != (int)sizeof(*probe)) { + printf("ignoring probe %p, version %u expected %u\n", + probe, probe->version, (int)sizeof(*probe)); + return; + } + TAILQ_FOREACH(prov, &sdt_prov_list, prov_entry) if (strcmp(prov->name, probe->prov->name) == 0) break;
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