On 11.11.24 07:40, syzbot wrote:
syzbot has bisected this issue to:
commit 79a61cc3fc0466ad2b7b89618a6157785f0293b3
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Thu Sep 12 00:11:23 2024 +0000
mm: avoid leaving partial pfn mappings around in error case
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11df65f7980000
start commit: 7758b206117d Merge tag 'tracefs-v6.12-rc6' of git://git.ke..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=13df65f7980000
console output: https://syzkaller.appspot.com/x/log.txt?x=15df65f7980000
kernel config: https://syzkaller.appspot.com/x/.config?x=921b01cbfd887a9b
dashboard link: https://syzkaller.appspot.com/bug?extid=16b1da89309a06cd0e3a
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=148adf40580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1704ae30580000
Reported-by: syzbot+16b1da89309a06cd0e3a@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 79a61cc3fc04 ("mm: avoid leaving partial pfn mappings around in error case")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
As discussed elsewhere [1], the patch [2] from Peter should fix this one.
I should probably resend both VM_PAT fixes that are on the list in a
single series.
[1]
https://lkml.kernel.org/r/262aa19c-59fe-420a-aeae-0b1866a3e36b@xxxxxxxxxx
[2]
https://lore.kernel.org/all/20240712144244.3090089-1-peterx@xxxxxxxxxx/T/#u
--
Cheers,
David / dhildenb