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xfs: bugfixes for 3.13-rc8 

- fix off-by-one in xfs_attr3_rmt_verify
 - fix missing destroy_work_on_stack() in xfs_bmapi_allocate
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Merge tag 'xfs-for-linus-v3.13-rc8' of git://oss.sgi.com/xfs/xfs

Pull xfs bugfixes from Ben Myers:
 "Here we have a bugfix for an off-by-one in the remote attribute
  verifier that results in a forced shutdown which you can hit with v5
  superblock by creating a 64k xattr, and a fix for a missing
  destroy_work_on_stack() in the allocation worker.

  It's a bit late, but they are both fairly straightforward"

* tag 'xfs-for-linus-v3.13-rc8' of git://oss.sgi.com/xfs/xfs:
  xfs: Calling destroy_work_on_stack() to pair with INIT_WORK_ONSTACK()
  xfs: fix off-by-one error in xfs_attr3_rmt_verify
This commit is contained in:
Linus Torvalds 2014-01-11 06:33:03 +07:00
parent 324c66ff52 1f4a63bf01
commit e2bc44706f
2 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/xfs/xfs_attr_remote.c
View File

@ -110,7 +110,7 @@ xfs_attr3_rmt_verify(
if (be32_to_cpu(rmt->rm_bytes) > fsbsize - sizeof(*rmt))
return false;
if (be32_to_cpu(rmt->rm_offset) +
be32_to_cpu(rmt->rm_bytes) >= XATTR_SIZE_MAX)
be32_to_cpu(rmt->rm_bytes) > XATTR_SIZE_MAX)
return false;
if (rmt->rm_owner == 0)
return false;

1
fs/xfs/xfs_bmap_util.c
View File

@ -287,6 +287,7 @@ xfs_bmapi_allocate(
INIT_WORK_ONSTACK(&args->work, xfs_bmapi_allocate_worker);
queue_work(xfs_alloc_wq, &args->work);
wait_for_completion(&done);
destroy_work_on_stack(&args->work);
return args->result;
}