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Mon, 08 Sep 2025 12:52:03 -0700 (PDT) Date: Mon, 08 Sep 2025 12:52:03 -0700 In-Reply-To: <68bf244a.050a0220.192772.0883.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68bf33e3.a70a0220.7a912.02c3.GAE@google.com> Subject: Re: [syzbot] [mm?] [ext4?] WARNING in ext4_init_orphan_info From: syzbot To: adilger.kernel@dilger.ca, akpm@linux-foundation.org, apopple@nvidia.com, byungchul@sk.com, david@redhat.com, gourry@gourry.net, jack@suse.cz, joshua.hahnjy@gmail.com, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, matthew.brost@intel.com, rakie.kim@sk.com, syzkaller-bugs@googlegroups.com, tytso@mit.edu, ying.huang@linux.alibaba.com, ziy@nvidia.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 5F6F1140008 X-Stat-Signature: 1bkhd41f6kk9p4u3c3caek6hcoxmubui X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1757361124-200759 X-HE-Meta: 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 RCZm3sFq 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 iTasr3iv ktbHlB6h5Hj9cPVsUi9/n7+/uD2pjf9akSpqexDDKovf02M5MnK7c1RXPmHLDgWcs/QoJuwgH8IgTrSueAqeVfba4H0cNLUu+wv3RdZK7cuCo6rFF7pGt9AvT0i04z4ULBDyClagcE2E/T27YpUlLNYYyrdX3sID 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 02f310fcf47fa9311d6ba2946a8d19e7d7d11f37 Author: Jan Kara Date: Mon Aug 16 09:57:06 2021 +0000 ext4: Speedup ext4 orphan inode handling bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16645562580000 start commit: 76eeb9b8de98 Linux 6.17-rc5 git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=15645562580000 console output: https://syzkaller.appspot.com/x/log.txt?x=11645562580000 kernel config: https://syzkaller.appspot.com/x/.config?x=429771c55b615e85 dashboard link: https://syzkaller.appspot.com/bug?extid=0b92850d68d9b12934f5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=168d2562580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15869562580000 Reported-by: syzbot+0b92850d68d9b12934f5@syzkaller.appspotmail.com Fixes: 02f310fcf47f ("ext4: Speedup ext4 orphan inode handling") For information about bisection process see: https://goo.gl/tpsmEJ#bisection