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Thu, 10 Oct 2024 14:54:02 -0700 (PDT) Date: Thu, 10 Oct 2024 14:54:02 -0700 In-Reply-To: <000000000000939d0a0621818f1e@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67084cfa.050a0220.3e960.0005.GAE@google.com> Subject: Re: [syzbot] [mm?] INFO: task hung in hugetlb_fault From: syzbot To: akpm@linux-foundation.org, dvyukov@google.com, elver@google.com, glider@google.com, kasan-dev@googlegroups.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mcgrof@kernel.org, mhiramat@kernel.org, mhocko@suse.com, mike.kravetz@oracle.com, muchun.song@linux.dev, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, vbabka@suse.cz Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 761B9100013 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 5c8ufrqjqqprppgy5mtxhsgyda1krcuu X-HE-Tag: 1728597240-46913 X-HE-Meta: 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 DpeOjDze 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 LfoGd47+ o2/NMpknPlDWj7XSby3eQnsc+cmsSfBrJVDMP9ORXYWsD+LB3SY9RLRrflSa6JU/gJ2MHkgxrProTFbtjlsOuM2tlU4kkz8GNdEBGfbLE+tA0KDZlw/Z/gVagQACeFS2b0PxpFmOgYM= 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 3db978d480e2843979a2b56f2f7da726f2b295b2 Author: Vlastimil Babka Date: Mon Jun 8 04:40:24 2020 +0000 kernel/sysctl: support setting sysctl parameters from kernel command line 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