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authorSergey Cheremencev <sergey.cheremencev@seagate.com>2016-06-20 16:55:44 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-20 14:28:39 -0700
commitc681528a2ba7c8ceb273c608ff26c38b5ee668e8 (patch)
tree88f1a45d943d941b2dd979d98af4b56d83bb5ef7 /drivers/staging
parentaea7ccd985a83d7ce55ebaa815108124c97af258 (diff)
staging/lustre/llite: don't panic when fid is insane
LASSERT should never be done on data that is received to over the network. Return EINVAL when server returns invalid fid despite of it_status == 0. Signed-off-by: Sergey Cheremencev <sergey.cheremencev@seagate.com> Seagate-bug-id: MRP-3073 Reviewed-on: http://review.whamcloud.com/17985 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7422 Reviewed-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/lustre/lustre/llite/llite_lib.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c
index a741d6a07f2d..546063e728db 100644
--- a/drivers/staging/lustre/lustre/llite/llite_lib.c
+++ b/drivers/staging/lustre/lustre/llite/llite_lib.c
@@ -1918,7 +1918,13 @@ int ll_prep_inode(struct inode **inode, struct ptlrpc_request *req,
* At this point server returns to client's same fid as client
* generated for creating. So using ->fid1 is okay here.
*/
- LASSERT(fid_is_sane(&md.body->fid1));
+ if (!fid_is_sane(&md.body->fid1)) {
+ CERROR("%s: Fid is insane " DFID "\n",
+ ll_get_fsname(sb, NULL, 0),
+ PFID(&md.body->fid1));
+ rc = -EINVAL;
+ goto out;
+ }
*inode = ll_iget(sb, cl_fid_build_ino(&md.body->fid1,
sbi->ll_flags & LL_SBI_32BIT_API),