On Thu, Mar 02, 2023 at 03:36:06PM +0000, Tudor Ambarus wrote: > Hi, > > This patch set is intended for stable/linux-5.{15, 10}.y. The patches > applied cleanly without deviations from the original upstream patches. > The last patch is fixing the bug reported at [1]. The other three are > prerequisites for the last commit. I tested the patches and I confirm > that the reproducer no longer complains on linux-5.{15, 10}.y. Older > LTS kernels have more dependencies, let's fix these until I sort out > what else should be backported for the older LTS kernels. > > [1] LINK: https://syzkaller.appspot.com/bug?id=5266d464285a03cee9dbfda7d2452a72c3c2ae7c > > Cheers, > ta > > Lukas Czerner (1): > ext4: block range must be validated before use in ext4_mb_clear_bb() > > Ritesh Harjani (3): > ext4: refactor ext4_free_blocks() to pull out ext4_mb_clear_bb() > ext4: add ext4_sb_block_valid() refactored out of > ext4_inode_block_valid() > ext4: add strict range checks while freeing blocks > > fs/ext4/block_validity.c | 26 +++-- > fs/ext4/ext4.h | 3 + > fs/ext4/mballoc.c | 205 +++++++++++++++++++++++---------------- > 3 files changed, 139 insertions(+), 95 deletions(-) Now queued up, thanks. greg k-h