Date: Fri, 17 Sep 2010 13:18:07 +0300 (EEST) From: Valentin Nechayev <netch@netch.kiev.ua> To: FreeBSD-gnats-submit@FreeBSD.org Subject: bin/150642: netstat doesn't print anything for SCTP sockets Message-ID: <201009171018.o8HAI7QC071063@segfault.kiev.ua> Resent-Message-ID: <201009171040.o8HAe2cg010786@freefall.freebsd.org>
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>Number: 150642 >Category: bin >Synopsis: netstat doesn't print anything for SCTP sockets >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Sep 17 10:40:01 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Valentin Nechayev >Release: FreeBSD 8.1-RELEASE i386 >Organization: Dark side of coredump >Environment: System: FreeBSD segfault.kiev.ua 8.1-RELEASE FreeBSD 8.1-RELEASE #0: Tue Jul 27 16:32:08 EEST 2010 root@segfault.kiev.ua:/usr/BSD/obj/usr/BSD/src/sys/sf81 i386 I was also told that the same on 7.2 and 9.0, so this is old problem. >Description: netstat (with mode to print sockets, either with or without -a) doesn't print anything for active SCTP sockets. >How-To-Repeat: I use Python to line-by-line show though the same result is when using C. Check before starting with socket: $ fstat | fgrep sctp; netstat -anAW -p sctp; netstat -anAW | grep sctp $ $ sysctl -b net.inet.sctp.assoclist | hd | less 00000000 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 000000a0 Create socket: s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 132) Check in other terminal: $ fstat | fgrep sctp; netstat -anAW -p sctp; netstat -anAW | grep sctp netch python 70548 3* internet stream sctp c58ada14 $ $ sysctl -b net.inet.sctp.assoclist | hd | less 00000000 00 00 00 00 12 00 00 00 08 00 00 00 00 00 00 00 |................| 00000010 00 00 00 00 00 00 00 00 ff ff 00 00 00 00 00 00 |........ÿÿ......| 00000020 00 00 dd c4 f8 18 83 e7 f7 26 84 c0 10 19 83 e7 |..ÝÄø.ƒç÷&„À..ƒç| [...skip rest - the only thing I shall demonstrate here there is new data] Binding of the socket changes nothing in the fact of netstat output absense itself. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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