Date: Mon, 21 Jan 2002 19:06:20 +0200 (EET) From: Nevermind <never@nevermind.kiev.ua> To: FreeBSD-gnats-submit@freebsd.org Subject: ports/34123: sudo coredumps on ^C in password prompt & kern.sugid_coredump=1 does not work, suid files do not leave core Message-ID: <200201211706.g0LH6KK86444@mile.nevermind.kiev.ua>
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>Number: 34123 >Category: ports >Synopsis: sudo coredumps on ^C in password prompt & kern.sugid_coredump=1 does not work, suid files do not leave core >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-ports >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Jan 21 09:10:02 PST 2002 >Closed-Date: >Last-Modified: >Originator: Nevermind >Release: FreeBSD 4.5-PRERELEASE i386 >Organization: Net.Style Ltd. >Environment: System: FreeBSD mile.nevermind.kiev.ua 4.5-PRERELEASE FreeBSD 4.5-PRERELEASE #0: Sun Dec 23 16:39:07 EET 2001 root@mile.nevermind.kiev.ua:/usr/obj/usr/src/sys/mile i386 >Description: 1. If you run sudo -s, then on password prompt type ^C, sudo segfaults. As far as sudo is suid, it does not leave core until sysctl kern.sugid_coredump=1. 2. kern.sugid_coredump=1 does not affect coredumping: bash-2.05$ sudo -s Password:^C Segmentation fault (core dumped) bash-2.05$ sysctl -a | grep gid kern.sugid_coredump: 1 bash-2.05$ sysctl -a | grep corefile kern.corefile: %N.core bash-2.05$ sysctl -a | grep kern.coredump kern.coredump: 1 bash-2.05$ ls -la sudo.core ls: sudo.core: No such file or directory bash-2.05$ pkg_info | grep sudo sudo-1.6.5.1 Allow others to run commands as root bash-2.05$ uname -a FreeBSD rabbit.xxx 4.5-PRERELEASE FreeBSD 4.5-PRERELEASE #0: Wed Dec 26 14:58:13 EET 2001 root@rabbit.xxx:/usr/obj/usr/src/sys/rabbit i386 >How-To-Repeat: sudo -s type ^C sysctl kern.sugid_coredump=1 sudo -s type ^C ls -la sudo.core >Fix: N/A >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ports" in the body of the message
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