Re: [syzbot] [maple-tree?] BUG: unable to handle kernel paging request in mas_walk

Liam R. Howlett
2024-06-04T18:08:58Z

I don't think the bot is testing my forced update of the tree, so I'll
try again.

#sys test git://git.infradead.org/users/jedix/linux-maple.git syz_20240603_v2

This is a revert a some patches - which seems to stop all the crashing
for me.

Looks to be the same as this [1] syzbot report. All seem to be related
to madvise and these patches are the last to modify the area (besides
mseal() specifically calling out madvise, but that would not cause the
issue).

The patches I revered also name arm64 as special.

[1] https://syzkaller.appspot.com/bug?extid=7eaa0d7b9fccf21052f1