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Wed, 12 Jun 2024 04:58:04 -0700 (PDT) Date: Wed, 12 Jun 2024 04:58:04 -0700 In-Reply-To: <0000000000004f12bb061a9acf07@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004acf7b061ab01899@google.com> Subject: Re: [syzbot] [mm?] general protection fault in dequeue_hugetlb_folio_nodemask (2) From: syzbot To: airlied@redhat.com, akpm@linux-foundation.org, kraxel@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, muchun.song@linux.dev, osalvador@suse.de, syzkaller-bugs@googlegroups.com, vivek.kasireddy@intel.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Queue-Id: 60DF640009 X-Rspamd-Server: rspam01 X-Stat-Signature: zdgcb1441buzauudw8371pp57njgnpm4 X-HE-Tag: 1718193485-613651 X-HE-Meta: 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 BeP9ZOzS 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 FwcYhnTD eViRhTnAz+8pv7jP3BTlDag7Muk3ywbz3lXP2NXBDRQl4K4yzDaUhB1IzZfmGBjj X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: syzbot has bisected this issue to: commit 265a5cde9462d3a816b18c6cf4f0a231f1c29d1b Author: Vivek Kasireddy Date: Thu Apr 11 06:59:43 2024 +0000 udmabuf: pin the pages using memfd_pin_folios() API bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1617ab6a980000 start commit: d35b2284e966 Add linux-next specific files for 20240607 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=1517ab6a980000 console output: https://syzkaller.appspot.com/x/log.txt?x=1117ab6a980000 kernel config: https://syzkaller.appspot.com/x/.config?x=d8bf5cd6bcca7343 dashboard link: https://syzkaller.appspot.com/bug?extid=569ed13f4054f271087b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15eb5e86980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15db597e980000 Reported-by: syzbot+569ed13f4054f271087b@syzkaller.appspotmail.com Fixes: 265a5cde9462 ("udmabuf: pin the pages using memfd_pin_folios() API") For information about bisection process see: https://goo.gl/tpsmEJ#bisection