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From: Eric Sandeen <sandeen@sandeen.net>
To: xfs@oss.sgi.com
Subject: Re: [PATCH 02/11] xfsprogs: fix integer overflow in xlog_find_verify_cycle
Date: Wed, 2 Dec 2015 11:58:29 -0600	[thread overview]
Message-ID: <565F3145.4090909@sandeen.net> (raw)
In-Reply-To: <1449055167-19936-3-git-send-email-t.vivek@samsung.com>



On 12/2/15 5:19 AM, Vivek Trivedi wrote:
> Fix unintentional integer overflow in xlog_find_verify_cycle.
> Reported by coverity.
> 
> Signed-off-by: Vivek Trivedi <t.vivek@samsung.com>

Coverity-Id: 200684
Reviewed-by: Eric Sandeen <sandeen@redhat.com>

> ---
>  libxlog/xfs_log_recover.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libxlog/xfs_log_recover.c b/libxlog/xfs_log_recover.c
> index ef7cf68..73f4d36 100644
> --- a/libxlog/xfs_log_recover.c
> +++ b/libxlog/xfs_log_recover.c
> @@ -254,7 +254,7 @@ xlog_find_verify_cycle(
>  	 * try a smaller size.  We need to be able to read at least
>  	 * a log sector, or we're out of luck.
>  	 */
> -	bufblks = 1 << ffs(nbblks);
> +	bufblks = (xfs_daddr_t)1 << ffs(nbblks);
>  	while (bufblks > log->l_logBBsize)
>  		bufblks >>= 1;
>  	while (!(bp = xlog_get_bp(log, bufblks))) {
> 

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  reply	other threads:[~2015-12-02 17:58 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 [this message]
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
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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