linux-kernel - Re: [bug] crash when reading /proc/mounts (was: Re: Linux 2.6.23-rc9 and a heads-up for the 2.6.24 series..)

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Message-ID: <20071003085022.GA6672@elte.hu>
Date:	Wed, 3 Oct 2007 10:50:22 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...e.de>,
	Alexander Viro <viro@....linux.org.uk>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [bug] crash when reading /proc/mounts (was: Re: Linux
	2.6.23-rc9 and a heads-up for the 2.6.24 series..)


update: occasionally the reading of /proc/mounts succeeds, and it's:

 open("/proc/mounts", O_RDONLY|O_LARGEFILE) = 3
 fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
 read(3, "rootfs / rootfs rw 0 0\n/dev/root"..., 4096) = 290
 write(1, "rootfs / rootfs rw 0 0\n/dev/root"..., 290rootfs / rootfs rw 0 0
 /dev/root / ext3 rw,noatime,nodiratime,data=ordered 0 0
 /proc /proc proc rw 0 0
 /proc/bus/usb /proc/bus/usb usbfs rw 0 0
 /sys /sys sysfs rw 0 0
 /dev/devpts /dev/pts devpts rw 0 0
 /dev/sda2 /home ext3 rw,noatime,nodiratime,data=ordered 0 0
 nodev /debug debugfs rw 0 0
 ) = 290
 read(3, "", 4096)                       = 0
 close(3)                                = 0

there's nothing particularly interesting in it. (perhaps debugfs)

	Ingo
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