| 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: Sat, 17 May 2008 19:39:08 -0400 From: Christoph Hellwig <hch@...radead.org> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Alistair John Strachan <alistair@...zero.co.uk>, Jens Axboe <jens.axboe@...cle.com>, xfs@....sgi.com, Neil Brown <neilb@...e.de>, Nick Piggin <npiggin@...e.de>, linux-kernel@...r.kernel.org, dgc@....com Subject: Re: XFS/md/blkdev warning (was Re: Linux 2.6.26-rc2) On Sat, May 17, 2008 at 02:17:37PM -0700, Linus Torvalds wrote: > > [4294293.003500] [<ffffffff8028106a>] __kmalloc+0x3e/0xe6 > > [4294293.003500] [<ffffffff803067fc>] ? xfs_iflush_int+0x272/0x2fb > > [4294293.003500] [<ffffffff80320552>] kmem_alloc+0x6a/0xd1 > > [4294293.003500] [<ffffffff80307a9c>] xfs_iflush_cluster+0x4b/0x33f > > [4294293.003500] [<ffffffff8030681e>] ? xfs_iflush_int+0x294/0x2fb > > [4294293.003500] [<ffffffff80307f4b>] xfs_iflush+0x1bb/0x29d > > [4294293.003500] [<ffffffff8031bc30>] xfs_inode_flush+0xb8/0xdd > > [4294293.003500] [<ffffffff80328b1f>] xfs_fs_write_inode+0x30/0x4c > > And as a result, all the XFS stuff is then waiting for that lock which is > held by pdflush above: Btw, just that function has a missing GFP_NOFS and a too large allocation which were fixed by Dave Chinner but aren't in mainline yet. Can you check whether it still happens with the patch below? View attachment "xfs-icluster-add-nofs" of type "text/plain" (2165 bytes) View attachment "xfs-fix-icluster-alloc-size" of type "text/plain" (1642 bytes)
Powered by blists - more mailing lists