Date: Wed, 31 May 2000 00:56:56 +1000 (EST) From: Andy Farkas <andyf@speednet.com.au> To: Christian Weisgerber <naddy@unix-ag.uni-kl.de> Cc: freebsd-current@FreeBSD.ORG Subject: Re: "fetch | sh" panics system Message-ID: <Pine.BSF.4.10.10005310052260.89738-100000@backup.af.speednet.com.au> In-Reply-To: <20000530162831.A27439@sushi.unix-ag.uni-kl.de>
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Did this on a: FreeBSD 4.0-STABLE #1: Fri May 26 06:47659 EST92000 system and got these messages in /var/log/messages: May 30 02:32:49 doohan /kernel: cmd conftest pid 12565 tried to use non-present SYSVSEM May 30 02:32:49 doohan /kernel: pid 12565 (conftest), uid 0: exited on signal 12 (core dumped) May 30 02:32:50 doohan /kernel: cmd conftest pid 12583 tried to use non-present SYSVSEM May 30 02:32:50 doohan /kernel: pid 12583 (conftest), uid 0: exited on signal 12 (core dumped) On Tue, 30 May 2000, Christian Weisgerber wrote: > Date: Tue, 30 May 2000 16:28:31 +0200 > From: Christian Weisgerber <naddy@unix-ag.uni-kl.de> > To: freebsd-current@FreeBSD.ORG > Subject: "fetch | sh" panics system > > 5.0-CURRENT from ~May 17, dual ppro. > > The following, completely innocuous command line > > $ fetch -o - http://sites.inka.de/mips/unix/freebsd/xterm.shar | sh > > executed as a non-priviledged user, reproducibly panics the machine. > > ----------------- > #0 boot (howto=256) at ../../kern/kern_shutdown.c:303 > #1 0xc0163879 in panic (fmt=0xc028dc4f "page fault") > at ../../kern/kern_shutdown.c:553 > #2 0xc025760c in trap_fatal (frame=0xc8830d74, eva=52) > at ../../i386/i386/trap.c:927 > #3 0xc025727d in trap_pfault (frame=0xc8830d74, usermode=0, eva=52) > at ../../i386/i386/trap.c:820 > #4 0xc0256de3 in trap (frame={tf_fs = -930938856, tf_es = -1072103408, > tf_ds = -1062797296, tf_edi = -930935184, tf_esi = -930935300, > tf_ebp = -930935340, tf_isp = -930935392, tf_ebx = -931419456, > tf_edx = 0, tf_ecx = 13, tf_eax = -930935360, tf_trapno = 12, > tf_err = 0, tf_eip = -1062106920, tf_cs = 8, tf_eflags = 66195, > tf_esp = -930935360, tf_ss = -930935300}) at ../../i386/i386/trap.c:426 > #5 0xc0b188d8 in ?? () > #6 0xc0198fae in vn_open (ndp=0xc8830ec8, fmode=1026, cmode=420) > at vnode_if.h:305 > #7 0xc0195005 in open (p=0xc7df7a00, uap=0xc8830f80) > at ../../kern/vfs_syscalls.c:995 > #8 0xc025793d in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, > tf_edi = 8, tf_esi = 672168216, tf_ebp = -1077938468, > tf_isp = -930934828, tf_ebx = 672102756, tf_edx = 672168216, > tf_ecx = 15, tf_eax = 5, tf_trapno = 12, tf_err = 2, tf_eip = 672019108, > tf_cs = 31, tf_eflags = 663, tf_esp = -1077938512, tf_ss = 47}) > at ../../i386/i386/trap.c:1126 > #9 0xc024579e in Xint0x80_syscall () > > -- > Christian "naddy" Weisgerber naddy@unix-ag.uni-kl.de > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message > -- :{ andyf@speednet.com.au Andy Farkas System Administrator Speednet Communications http://www.speednet.com.au/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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