Date: Tue, 24 Oct 2017 14:28:57 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r324954 - head/sys/netinet Message-ID: <201710241428.v9OESvkm089829@repo.freebsd.org>
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Author: tuexen Date: Tue Oct 24 14:28:56 2017 New Revision: 324954 URL: https://svnweb.freebsd.org/changeset/base/324954 Log: Fix a locking issue found by running AFL on the userland stack. Thanks to Felix Weinrank for reporting the issue. MFC after: 3 days Modified: head/sys/netinet/sctp_input.c Modified: head/sys/netinet/sctp_input.c ============================================================================== --- head/sys/netinet/sctp_input.c Tue Oct 24 12:56:08 2017 (r324953) +++ head/sys/netinet/sctp_input.c Tue Oct 24 14:28:56 2017 (r324954) @@ -4863,9 +4863,6 @@ process_control_chunks: if ((stcb != NULL) && (stcb->asoc.total_output_queue_size)) { ; } else { - if (stcb != NULL) { - SCTP_TCB_UNLOCK(stcb); - } *offset = length; if (stcb != NULL) { #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
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