From: Dave Chinner <david@fromorbit.com>
To: Eric Sandeen <sandeen@sandeen.net>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 07/11] xfsprogs: xfs_fsr: replace sprintf with snprintf to avoid buffer overflow
Date: Thu, 3 Dec 2015 17:07:01 +1100 [thread overview]
Message-ID: <20151203060701.GW26718@dastard> (raw)
In-Reply-To: <565FD6A2.9040406@sandeen.net>
On Wed, Dec 02, 2015 at 11:44:02PM -0600, Eric Sandeen wrote:
>
> it seems like the sprintfs in i.e. fsrall_cleanup() and tmp_init()
> might have the same problem, no?
>
> And then what happens if it is truncated to SMBUFSZ; at that point
> I think this needs error handling, if the string got truncated.
Might be easier to simply increase the size of SMBUFSZ so that
overrun is not possible?
-Dave
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2015-12-03 6:07 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-02 11:19 [PATCH 00/11] xfsprogs misc fixes Vivek Trivedi
2015-12-02 11:19 ` [PATCH 01/11] xfsprogs: xfs_io: fix a memory leak in imap_f Vivek Trivedi
2015-12-02 17:55 ` Eric Sandeen
2015-12-02 11:19 ` [PATCH 02/11] xfsprogs: fix integer overflow in xlog_find_verify_cycle Vivek Trivedi
2015-12-02 17:58 ` Eric Sandeen
2015-12-03 5:49 ` Dave Chinner
2015-12-02 11:19 ` [PATCH 03/11] xfsprogs: mkfs: fix unintentional integer overflow Vivek Trivedi
2015-12-03 3:34 ` Eric Sandeen
2015-12-03 5:54 ` Dave Chinner
2015-12-02 11:19 ` [PATCH 04/11] xfsprogs: xfsdb: remove unnessary checks in process_leaf_node_dir_v2_free Vivek Trivedi
2015-12-03 5:57 ` Dave Chinner
2015-12-02 11:19 ` [PATCH 05/11] xfsprogs: xfs_mdrestore: check bad read count in perform_restore Vivek Trivedi
2015-12-03 4:54 ` Eric Sandeen
2015-12-03 5:59 ` Dave Chinner
2015-12-03 6:05 ` Eric Sandeen
2015-12-02 11:19 ` [PATCH 06/11] xfsprogs: xfs_db: check null derefernce after block_to_bt Vivek Trivedi
2015-12-03 5:43 ` Eric Sandeen
2015-12-02 11:19 ` [PATCH 07/11] xfsprogs: xfs_fsr: replace sprintf with snprintf to avoid buffer overflow Vivek Trivedi
2015-12-03 5:44 ` Eric Sandeen
2015-12-03 6:07 ` Dave Chinner [this message]
2015-12-02 11:19 ` [PATCH 08/11] xfsprogs: xfs_repair: fix possible null dereference in build_ino_tree Vivek Trivedi
2015-12-03 6:19 ` Dave Chinner
2015-12-02 11:19 ` [PATCH 09/11] xfsprogs: xfs_repair: fix possible null dereference in traverse_int_dir2block Vivek Trivedi
2015-12-03 5:51 ` Eric Sandeen
2015-12-03 6:22 ` Dave Chinner
2015-12-02 11:19 ` [PATCH 10/11] xfsprogs: fix possible null pointer dereference in xfs_iformat_extents Vivek Trivedi
2015-12-03 6:31 ` Dave Chinner
2015-12-02 11:19 ` [PATCH 11/11] xfsprogs: xfs_repair: fix possible null pointer dereference in mark_standalone_inodes Vivek Trivedi
2015-12-03 6:34 ` Dave Chinner
2015-12-02 15:10 ` [PATCH 00/11] xfsprogs misc fixes Eric Sandeen
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