* [PATCH v2] xfs: fix xfs_bmap_validate_extent_raw when checking attr fork of rt files
@ 2020-09-02 17:42 Darrick J. Wong
2020-09-02 17:45 ` Eric Sandeen
0 siblings, 1 reply; 2+ messages in thread
From: Darrick J. Wong @ 2020-09-02 17:42 UTC (permalink / raw)
To: xfs; +Cc: Eric Sandeen
From: Darrick J. Wong <darrick.wong@oracle.com>
The realtime flag only applies to the data fork, so don't use the
realtime block number checks on the attr fork of a realtime file.
Fixes: 30b0984d9117 ("xfs: refactor bmap record validation")
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
v2: send from stable tree, not dev tree
---
fs/xfs/libxfs/xfs_bmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 9c40d5971035..1b0a01b06a05 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -6226,7 +6226,7 @@ xfs_bmap_validate_extent(
isrt = XFS_IS_REALTIME_INODE(ip);
endfsb = irec->br_startblock + irec->br_blockcount - 1;
- if (isrt) {
+ if (isrt && whichfork == XFS_DATA_FORK) {
if (!xfs_verify_rtbno(mp, irec->br_startblock))
return __this_address;
if (!xfs_verify_rtbno(mp, endfsb))
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] xfs: fix xfs_bmap_validate_extent_raw when checking attr fork of rt files
2020-09-02 17:42 [PATCH v2] xfs: fix xfs_bmap_validate_extent_raw when checking attr fork of rt files Darrick J. Wong
@ 2020-09-02 17:45 ` Eric Sandeen
0 siblings, 0 replies; 2+ messages in thread
From: Eric Sandeen @ 2020-09-02 17:45 UTC (permalink / raw)
To: Darrick J. Wong, xfs; +Cc: Eric Sandeen
On 9/2/20 12:42 PM, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@oracle.com>
>
> The realtime flag only applies to the data fork, so don't use the
> realtime block number checks on the attr fork of a realtime file.
>
> Fixes: 30b0984d9117 ("xfs: refactor bmap record validation")
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Seems legit
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
> ---
> v2: send from stable tree, not dev tree
> ---
> fs/xfs/libxfs/xfs_bmap.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
> index 9c40d5971035..1b0a01b06a05 100644
> --- a/fs/xfs/libxfs/xfs_bmap.c
> +++ b/fs/xfs/libxfs/xfs_bmap.c
> @@ -6226,7 +6226,7 @@ xfs_bmap_validate_extent(
>
> isrt = XFS_IS_REALTIME_INODE(ip);
> endfsb = irec->br_startblock + irec->br_blockcount - 1;
> - if (isrt) {
> + if (isrt && whichfork == XFS_DATA_FORK) {
> if (!xfs_verify_rtbno(mp, irec->br_startblock))
> return __this_address;
> if (!xfs_verify_rtbno(mp, endfsb))
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2020-09-02 17:42 [PATCH v2] xfs: fix xfs_bmap_validate_extent_raw when checking attr fork of rt files Darrick J. Wong
2020-09-02 17:45 ` Eric Sandeen
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