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authorJason Gunthorpe <jgg@nvidia.com>2021-01-19 10:55:19 -0400
committerJason Gunthorpe <jgg@nvidia.com>2021-01-19 10:55:19 -0400
commit02487bcc84cdec676b667096f896ba8ad254aae9 (patch)
treedf66e03b2c63f3488326357882f84b16ed532e1b /fs/btrfs/tree-checker.c
parenta6dc16b6996388d016df83fb92eae16242ab7ac5 (diff)
parent1368ead04c361bb4595ace9122c79dd75e54a650 (diff)
Merge branch 'devx_set_get' into rdma.git for-next
Leon Romanovsky says: ==================== Be more strict with DEVX get/set operations for the obj_id. ==================== Based on the mlx5-next branch at git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux due to dependencies. * branch 'devx_set_get': RDMA/mlx5: Use strict get/set operations for obj_id RDMA/mlx5: Use the correct obj_id upon DEVX TIR creation net/mlx5: Expose ifc bits for query modify header
Diffstat (limited to 'fs/btrfs/tree-checker.c')
-rw-r--r--fs/btrfs/tree-checker.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index 028e733e42f3..582061c7b547 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -760,6 +760,7 @@ int btrfs_check_chunk_valid(struct extent_buffer *leaf,
{
struct btrfs_fs_info *fs_info = leaf->fs_info;
u64 length;
+ u64 chunk_end;
u64 stripe_len;
u16 num_stripes;
u16 sub_stripes;
@@ -814,6 +815,12 @@ int btrfs_check_chunk_valid(struct extent_buffer *leaf,
"invalid chunk length, have %llu", length);
return -EUCLEAN;
}
+ if (unlikely(check_add_overflow(logical, length, &chunk_end))) {
+ chunk_err(leaf, chunk, logical,
+"invalid chunk logical start and length, have logical start %llu length %llu",
+ logical, length);
+ return -EUCLEAN;
+ }
if (unlikely(!is_power_of_2(stripe_len) || stripe_len != BTRFS_STRIPE_LEN)) {
chunk_err(leaf, chunk, logical,
"invalid chunk stripe length: %llu",