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 PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sat, 28 Jul 2012 17:43:12 -0400 From: Theodore Ts'o <tytso@....edu> To: Eric Sandeen <sandeen@...hat.com> Cc: ext4 development <linux-ext4@...r.kernel.org>, maxnet@...inehome.de Subject: Re: filefrag: Fix segfault on virtual fs On Tue, Jun 26, 2012 at 03:59:08AM -0000, Eric Sandeen wrote: > filefrag on a virtual fs like proc segfaults: > > # filefrag /proc/filesystems > Floating point exception > > because stat.f_blocks is 0, so the calculation of cylgroups is 0, > which leads to a divide by 0 when calculating expected extents. > > Since it's only used for ext2 filesystems anyway, just move > the calculation of expected under "if (is_ext2)" to fix this. > > Reported-by: Max Beikirch <maxnet@...inehome.de> > Signed-off-by: Eric Sandeen <sandeen@...hat.com> Applied, thanks. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists