lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 22 Jun 2009 09:52:45 +0100 From: Alan Cox <alan@...rguk.ukuu.org.uk> To: michael@...erman.id.au Cc: Sachin Sant <sachinp@...ibm.com>, linux-kernel <linux-kernel@...r.kernel.org>, linuxppc-dev@...abs.org Subject: Re: Badness at drivers/char/tty_ldisc.c:210 during shutdown > > [c00000003cf6ba70] [c00000000040a3d0] .tty_ldisc_put+0xa4/0xf4 (unreliable) > > [c00000003cf6bb10] [c00000000040a7c8] .tty_ldisc_reinit+0x38/0x80 > > [c00000003cf6bba0] [c00000000040b1d8] .tty_ldisc_hangup+0x190/0x260 > > [c00000003cf6bc40] [c000000000401090] .do_tty_hangup+0x188/0x4c0 > > [c00000003cf6bd20] [c000000000401440] .tty_vhangup_self+0x34/0x54 > > [c00000003cf6bdb0] [c00000000019236c] .sys_vhangup+0x38/0x58 > > [c00000003cf6be30] [c000000000008534] syscall_exit+0x0/0x40 > > Instruction dump: > > 912b0088 4bcd17bd 60000000 e87e8008 7f44d378 481c04fd 60000000 801b0008 > > 7c09fe70 7d200278 7c004850 54000ffe <0b000000> 7f63db78 4bd7c98d 60000000 > > Ah right, so this has check has just gone in, and the code in question > has been rewritten somewhat just recently. The check is to catch any cases where a line discipline is being freed up but has a refcount that is non zero. I think I know what is going on here. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists