summaryrefslogtreecommitdiffstats
path: root/fs/xfs/linux-2.6/xfs_ioctl.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 07:22:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 07:22:11 -0700
commit277a4ed1df42134f66503db837e40f0b583ec63d (patch)
tree9f3107c51fa9d45ff35f8bc5f68306440b0b2948 /fs/xfs/linux-2.6/xfs_ioctl.c
parent03e62303cf56e87337115f14842321043df2b4bb (diff)
parente9cee8e6549b669080e9a7d02b8387086a5c911d (diff)
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs: (54 commits) xfs: mark xfs_iomap_write_ helpers static xfs: clean up end index calculation in xfs_page_state_convert xfs: clean up mapping size calculation in __xfs_get_blocks xfs: clean up xfs_iomap_valid xfs: move I/O type flags into xfs_aops.c xfs: kill struct xfs_iomap xfs: report iomap_bn in block base xfs: report iomap_offset and iomap_bsize in block base xfs: remove iomap_delta xfs: remove iomap_target xfs: limit xfs_imap_to_bmap to a single mapping xfs: simplify buffer to transaction matching xfs: Make fiemap work in query mode. xfs: kill off l_sectbb_mask xfs: record log sector size rather than log2(that) xfs: remove dead XFS_LOUD_RECOVERY code xfs: removed unused XFS_QMOPT_ flags xfs: remove a few macro indirections in the quota code xfs: access quotainfo structure directly xfs: wait for direct I/O to complete in fsync and write_inode ...
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_ioctl.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_ioctl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 7b26cc2fd28..699b60cbab9 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -527,6 +527,10 @@ xfs_attrmulti_by_handle(
if (copy_from_user(&am_hreq, arg, sizeof(xfs_fsop_attrmulti_handlereq_t)))
return -XFS_ERROR(EFAULT);
+ /* overflow check */
+ if (am_hreq.opcount >= INT_MAX / sizeof(xfs_attr_multiop_t))
+ return -E2BIG;
+
dentry = xfs_handlereq_to_dentry(parfilp, &am_hreq.hreq);
if (IS_ERR(dentry))
return PTR_ERR(dentry);