On 10/10/24 11:54 PM, syzbot wrote: > syzbot has bisected this issue to: > > commit 3db978d480e2843979a2b56f2f7da726f2b295b2 > Author: Vlastimil Babka <vbabka@xxxxxxx> > Date: Mon Jun 8 04:40:24 2020 +0000 > > kernel/sysctl: support setting sysctl parameters from kernel command line Hi, I see you have a number of sysctl options in CONFIG_CMDLINE including sysctl.vm.nr_hugepages=4 which seems necessary to get a hugetlb_fault. And without the commit above, those sysctl boot options are not applied. So you'd have to handle sysctl differently to test any commits earlier than that one. Thanks, Vlastimil > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1499efd0580000 > start commit: 87d6aab2389e Merge tag 'for_linus' of git://git.kernel.org.. > git tree: upstream > final oops: https://syzkaller.appspot.com/x/report.txt?x=1699efd0580000 > console output: https://syzkaller.appspot.com/x/log.txt?x=1299efd0580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=fb6ea01107fa96bd > dashboard link: https://syzkaller.appspot.com/bug?extid=7bb5e48f6ead66c72906 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17dd6327980000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16d24f9f980000 > > Reported-by: syzbot+7bb5e48f6ead66c72906@xxxxxxxxxxxxxxxxxxxxxxxxx > Fixes: 3db978d480e2 ("kernel/sysctl: support setting sysctl parameters from kernel command line") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection