Re: [syzbot] general protection fault in kernfs_get_inode

From: syzbot
Date: Thu Nov 17 2022 - 02:26:28 EST


syzbot suspects this issue was fixed by commit:

commit c6a7f445a2727a66fe68a7097f42698d8b31ea2c
Author: Yang Shi <shy828301@xxxxxxxxx>
Date: Wed Jul 6 23:59:20 2022 +0000

mm: khugepaged: don't carry huge page to the next loop for !CONFIG_NUMA

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=179cadcd880000
start commit: 55be6084c8e0 Merge tag 'timers-core-2022-10-05' of git://g..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=df75278aabf0681a
dashboard link: https://syzkaller.appspot.com/bug?extid=534ee3d24c37c411f37f
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=150adc52880000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=149d9584880000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: mm: khugepaged: don't carry huge page to the next loop for !CONFIG_NUMA

For information about bisection process see: https://goo.gl/tpsmEJ#bisection