Date: Thu, 19 Mar 2020 23:07:53 +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: r359156 - head/sys/netinet Message-ID: <202003192307.02JN7rHn054148@repo.freebsd.org>
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Author: tuexen Date: Thu Mar 19 23:07:52 2020 New Revision: 359156 URL: https://svnweb.freebsd.org/changeset/base/359156 Log: A a missing NET_EPOCH_ENTER/NET_EPOCH_EXIT pair. This was affecting implicit connection setups via sendmsg(). Reported by: syzbot+febbe3383a0e9b700c1b@syzkaller.appspotmail.com Reported by: syzbot+dca98631455d790223ca@syzkaller.appspotmail.com Reported by: syzbot+5a71a7760d6bcf11b8cd@syzkaller.appspotmail.com Reported by: syzbot+da64217e140444c49f00@syzkaller.appspotmail.com Modified: head/sys/netinet/sctp_output.c Modified: head/sys/netinet/sctp_output.c ============================================================================== --- head/sys/netinet/sctp_output.c Thu Mar 19 22:33:24 2020 (r359155) +++ head/sys/netinet/sctp_output.c Thu Mar 19 23:07:52 2020 (r359156) @@ -13647,7 +13647,9 @@ skip_out_eof: /* a collision took us forward? */ queue_only = 0; } else { + NET_EPOCH_ENTER(et); sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); + NET_EPOCH_EXIT(et); SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); queue_only = 1; }
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