On Mon, 30 Sep 2024 11:55:00 -0700, Omar Sandoval wrote: > iter_folioq_get_pages() decides to advance to the next folioq slot when > it has reached the end of the current folio. However, it is checking > offset, which is the beginning of the current part, instead of > iov_offset, which is adjusted to the end of the current part, so it > doesn't advance the slot when it's supposed to. As a result, on the next > iteration, we'll use the same folio with an out-of-bounds offset and > return an unrelated page. > > [...] Applied to the vfs.fixes branch of the vfs/vfs.git tree. Patches in the vfs.fixes 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.fixes [1/1] iov_iter: fix advancing slot in iter_folioq_get_pages() https://git.kernel.org/vfs/vfs/c/0d24852bd71e
