On 2018年07月04日 21:36, David Sterba wrote: > On Tue, Jul 03, 2018 at 05:10:04PM +0800, Qu Wenruo wrote: >> Can be fetched from github, which is based on v4.18-rc1 tag: >> https://github.com/adam900710/linux/tree/tree_checker_enhance >> >> Reported by Xu Wen <wen...@gatech.edu>, some crafted btrfs image can >> cause unexpected kernel behavior. >> >> All of them are related to block group and chunk, so this patchset will >> enhance block group and chunk verification, so kernel can detect them >> and error out gracefully (with user friendly error message showing >> what's going wrong) >> >> Obvious corruption (don't need to cross check with chunk/block group), >> will be addressed by enhanced tree-checker. >> (Most crafted images will be caught by tree-checker) >> >> More complex corruption will be addressed mostly at >> btrfs_read_block_groups(), doing extra cross reference check for >> chunk<->block group mapping. >> It may cause extra mount time, but compared to the existing time >> consuming block group items search, all added check is done completely >> in memory using rb_tree, so it shouldn't add too much overhead. >> >> Qu Wenruo (5): >> btrfs: tree-checker: Verify block_group_item >> btrfs: tree-checker: Detect invalid empty essential tree >> btrfs: relocation: Only remove reloc rb_trees if reloc control has >> been initialized >> btrfs: Check each block group has corresponding chunk at mount time >> btrfs: Verify every chunk has corresponding block group at mount time > > Patches 1-3 queued, thanks. 4 and 5 have some comments.
Did I miss the comments for 4 and 5? I only see some discussion on "Link:" tag. Thanks, Qu > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >
signature.asc
Description: OpenPGP digital signature
