diff options
| author | Dave Airlie <airlied@redhat.com> | 2021-01-25 14:35:44 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2021-01-25 14:35:44 +1000 |
| commit | bc96ad6722f86a377ed2872c9a4854c90caf78ca (patch) | |
| tree | ece8859165a1faa10e4e2203d231fc7e87925139 /fs/btrfs/tree-checker.c | |
| parent | d82afcf9caaac26ce2642511115bca9dacf30f41 (diff) | |
| parent | 6ee1d745b7c9fd573fba142a2efdad76a9f1cb04 (diff) | |
Merge tag 'v5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
Backmerge v5.11-rc5 into drm-next to clean up a bunch of conflicts we are dragging around.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'fs/btrfs/tree-checker.c')
| -rw-r--r-- | fs/btrfs/tree-checker.c | 7 |
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", |