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Tue, 30 Apr 2024 08:04:03 -0700 (PDT) Date: Tue, 30 Apr 2024 08:04:03 -0700 In-Reply-To: <00000000000072c6ba06174b30b7@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003bf5be061751ae70@google.com> Subject: Re: [syzbot] [ext4?] WARNING in mb_cache_destroy From: syzbot To: adilger.kernel@dilger.ca, jack@suse.cz, libaokun1@huawei.com, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, nathan@kernel.org, ndesaulniers@google.com, ritesh.list@gmail.com, syzkaller-bugs@googlegroups.com, trix@redhat.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 67d7d8ad99beccd9fe92d585b87f1760dc9018e3 Author: Baokun Li Date: Thu Jun 16 02:13:56 2022 +0000 ext4: fix use-after-free in ext4_xattr_set_entry bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1011bcf8980000 start commit: b947cc5bf6d7 Merge tag 'erofs-for-6.9-rc7-fixes' of git://.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1211bcf8980000 console output: https://syzkaller.appspot.com/x/log.txt?x=1411bcf8980000 kernel config: https://syzkaller.appspot.com/x/.config?x=d2f00edef461175 dashboard link: https://syzkaller.appspot.com/bug?extid=dd43bd0f7474512edc47 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11d2957f180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1620ca40980000 Reported-by: syzbot+dd43bd0f7474512edc47@syzkaller.appspotmail.com Fixes: 67d7d8ad99be ("ext4: fix use-after-free in ext4_xattr_set_entry") For information about bisection process see: https://goo.gl/tpsmEJ#bisection