linux-kernel - Re: [PATCH 2/2] Fix possible leakage of blocks in UDF

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 01 Jun 2007 17:37:49 -0500
From:	Eric Sandeen <sandeen@...deen.net>
To:	Jan Kara <jack@...e.cz>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Cyrill Gorcunov <gorcunov@...il.com>
Subject: Re: [PATCH 2/2] Fix possible leakage of blocks in UDF

Jan Kara wrote:
>   Thanks for info - I'm now mostly out of email for a few days but I'll
> have a look at it as soon as I return.
> 
> 								Honza

Here we go:

[1]kdb> btp 3263
Stack traceback for pid 3263
0xffff81006f1b8100     3263     3247  1    0   R  0xffff81006f1b83d0 
lt-fsstress
rsp                rip                Function (args)
0xffff81006f335c48 0xffffffff8044b989 _spin_lock+0x7
0xffff81006f335c70 0xffffffff802a914b __mark_inode_dirty+0xe0
0xffff81006f335ca0 0xffffffff882d47d0 [udf]udf_write_aext+0x101
0xffff81006f335cd0 0xffffffff882dd95a [udf]extent_trunc+0xd6
0xffff81006f335d20 0xffffffff882dda81 [udf]udf_truncate_tail_extent+0xda
0xffff81006f335da0 0xffffffff882d7c26 [udf]udf_drop_inode+0x26
0xffff81006f335db0 0xffffffff8029f816 iput+0x74
0xffff81006f335dc0 0xffffffff8029d6a8 dentry_iput+0x8f
0xffff81006f335de0 0xffffffff8029d748 d_kill+0x21
0xffff81006f335e00 0xffffffff8029e450 prune_one_dentry+0x3a
0xffff81006f335e20 0xffffffff8029e5e8 prune_dcache+0xe3
0xffff81006f335e50 0xffffffff8029e6bf shrink_dcache_parent+0x21
0xffff81006f335e80 0xffffffff80294a27 dentry_unhash+0x1d
0xffff81006f335e90 0xffffffff80295d43 vfs_rmdir+0x88
0xffff81006f335eb0 0xffffffff80297d5b do_rmdir+0x9c
0xffff81006f335f40 0xffffffff8020ce23 syscall_trace_enter+0x8d
0xffff81006f335f70 0xffffffff80297dd4 sys_rmdir+0x11
0xffff81006f335f80 0xffffffff80209d5c tracesys+0xdc

going for the inode_lock twice?

-Eric
-
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/