On Thu, 07 Nov 2024 08:41:09 -0300, Thadeu Lima de Souza Cascardo wrote: > Devices block sizes may change. One of these cases is a loop device by > using ioctl LOOP_SET_BLOCK_SIZE. > > While this may cause other issues like IO being rejected, in the case of > hfsplus, it will allocate a block by using that size and potentially write > out-of-bounds when hfsplus_read_wrapper calls hfsplus_submit_bio and the > latter function reads a different io_size. > > [...] Applied to the vfs.misc branch of the vfs/vfs.git tree. Patches in the vfs.misc branch should appear in linux-next soon. Please report any outstanding bugs that were missed during review in a new review to the original patch series allowing us to drop it. It's encouraged to provide Acked-bys and Reviewed-bys even though the patch has now been applied. If possible patch trailers will be updated. Note that commit hashes shown below are subject to change due to rebase, trailer updates or similar. If in doubt, please check the listed branch. tree: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git branch: vfs.misc [1/1] hfsplus: don't query the device logical block size multiple times https://git.kernel.org/vfs/vfs/c/b05565a8e3b8