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Thu, 06 Apr 2023 02:37:30 -0700 (PDT) Received: from [10.2.117.253] ([61.213.176.12]) by smtp.gmail.com with ESMTPSA id h4-20020a056a00170400b0062e032b61a6sm935311pfc.91.2023.04.06.02.37.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 06 Apr 2023 02:37:29 -0700 (PDT) Message-ID: <4e345a16-bdc9-6f1e-9bb9-0ba35fa69e3e@bytedance.com> Date: Thu, 6 Apr 2023 17:37:26 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 Subject: Re: [syzbot] Monthly mm report To: syzkaller@googlegroups.com, syzbot+listf2f28c8e4d5809654f88@syzkaller.appspotmail.com References: <00000000000032660805f8337db1@google.com> Content-Language: en-US Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com From: Gang Li In-Reply-To: <00000000000032660805f8337db1@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: n3q93on4tybwwcs8nw7qae5gmmdwdmw7 X-Rspamd-Queue-Id: 8C45640016 X-HE-Tag: 1680773851-491232 X-HE-Meta: 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 ayf0Ox8k 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000195, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, syzbot engineers. As far as I know, syzkaller provides a reproduction code for each error. However, I couldn't find the code in the website[1]. Did I miss something? How can I get the reproduction code? I want to help fix some bugs. Thanks! [1] https://syzkaller.appspot.com/upstream/s/mm On 2023/3/31 23:01, syzbot wrote: > Hello mm maintainers/developers, > > This is a 30-day syzbot report for the mm subsystem. > All related reports/information can be found at: > https://syzkaller.appspot.com/upstream/s/mm > > During the period, 15 new issues were detected and 2 were fixed. > In total, 120 issues are still open and 197 have been fixed so far. > > Some of the still happening issues: > > Crashes Repro Title > 1899 Yes WARNING in split_huge_page_to_list (2) > https://syzkaller.appspot.com/bug?extid=07a218429c8d19b1fb25 > 176 Yes INFO: task hung in do_read_cache_folio > https://syzkaller.appspot.com/bug?extid=be946efe33b2d9664348 > 92 Yes INFO: task hung in __filemap_get_folio > https://syzkaller.appspot.com/bug?extid=0e9dc403e57033a74b1d > 52 Yes INFO: task hung in __lru_add_drain_all > https://syzkaller.appspot.com/bug?extid=a9b681dcbc06eb2bca04 > 38 Yes INFO: rcu detected stall in syscall_exit_to_user_mode (2) > https://syzkaller.appspot.com/bug?extid=a68ef3b1f46bc3aced5c > 18 Yes kernel BUG in folio_end_writeback > https://syzkaller.appspot.com/bug?extid=7e5cf1d80677ec185e63 > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@googlegroups.com. >