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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4AF9921DB3 X-Spam-Score: -2.01 X-Rspamd-Action: no action X-Spamd-Result: default: False [-2.01 / 50.00]; BAYES_HAM(-3.00)[99.99%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; URI_HIDDEN_PATH(1.00)[https://syzkaller.appspot.com/x/.config?x=fb6ea01107fa96bd]; NEURAL_HAM_SHORT(-0.20)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_TRACE(0.00)[0:+]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; RCPT_COUNT_TWELVE(0.00)[16]; FUZZY_BLOCKED(0.00)[rspamd.com]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; ARC_NA(0.00)[]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; FROM_HAS_DN(0.00)[]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; TO_DN_SOME(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; REDIRECTOR_URL(0.00)[goo.gl]; TAGGED_RCPT(0.00)[7bb5e48f6ead66c72906]; DKIM_TRACE(0.00)[suse.cz:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; SUBJECT_HAS_QUESTION(0.00)[] X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Flag: NO X-Spam-Level: On 10/10/24 11:54 PM, syzbot wrote: > syzbot has bisected this issue to: > > commit 3db978d480e2843979a2b56f2f7da726f2b295b2 > Author: Vlastimil Babka > 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@syzkaller.appspotmail.com > Fixes: 3db978d480e2 ("kernel/sysctl: support setting sysctl parameters from kernel command line") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection