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authorGrant Likely <grant.likely@secretlab.ca>2010-05-25 00:38:26 -0600
committerGrant Likely <grant.likely@secretlab.ca>2010-05-25 00:38:26 -0600
commitb1e50ebcf24668e57f058deb48b0704b5391ed0f (patch)
tree17e1b69b249d0738317b732186340c9dd053f1a1 /fs/xfs/linux-2.6/xfs_ioctl32.c
parent0c2a2ae32793e3500a15a449612485f5d17dd431 (diff)
parent7e125f7b9cbfce4101191b8076d606c517a73066 (diff)
Merge remote branch 'origin' into secretlab/next-spi
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_ioctl32.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_ioctl32.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c
index 593c05b4df8..9287135e9bf 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.c
@@ -420,6 +420,10 @@ xfs_compat_attrmulti_by_handle(
sizeof(compat_xfs_fsop_attrmulti_handlereq_t)))
return -XFS_ERROR(EFAULT);
+ /* overflow check */
+ if (am_hreq.opcount >= INT_MAX / sizeof(compat_xfs_attr_multiop_t))
+ return -E2BIG;
+
dentry = xfs_compat_handlereq_to_dentry(parfilp, &am_hreq.hreq);
if (IS_ERR(dentry))
return PTR_ERR(dentry);