> On Sep 6, 2022, at 3:12 PM, Olga Kornievskaia <aglo@xxxxxxxxx> wrote: > > On Tue, Sep 6, 2022 at 2:28 PM Benjamin Coddington <bcodding@xxxxxxxxxx> wrote: >> >> On 1 Sep 2022, at 21:27, Olga Kornievskaia wrote: >> >>> Thanks Chuck. I first, based on a hunch, narrowed down that it's >>> coming from Al Viro's merge commit. Then I git bisected his 32patches >>> to the following commit f0f6b614f83dbae99d283b7b12ab5dd2e04df979 >> >> No crash for me after reverting f0f6b614f83dbae99d283b7b12ab5dd2e04df979. > > I second that. No crash after a revert here. I bisected the new xfstests failures to the same commit: f0f6b614f83dbae99d283b7b12ab5dd2e04df979 is the first bad commit commit f0f6b614f83dbae99d283b7b12ab5dd2e04df979 Author: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Date: Thu Jun 23 17:21:37 2022 -0400 copy_page_to_iter(): don't split high-order page in case of ITER_PIPE ... just shove it into one pipe_buffer. Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> lib/iov_iter.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) -- Chuck Lever