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[82.31.203.200]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b5e8e14e82sm15164588f8f.71.2025.07.15.06.00.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Jul 2025 06:00:38 -0700 (PDT) Message-ID: Date: Tue, 15 Jul 2025 14:00:38 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [gfs2?] UBSAN: shift-out-of-bounds in gfs2_dir_read (2) Content-Language: en-US To: agruenba@redhat.com, gfs2@lists.linux.dev References: <68764d4f.a70a0220.693ce.000a.GAE@google.com> Cc: syzbot , linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com From: Andrew Price In-Reply-To: <68764d4f.a70a0220.693ce.000a.GAE@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 15/07/2025 13:45, syzbot wrote: > Hello, > > syzbot has tested the proposed patch but the reproducer is still triggering an issue: > WARNING in move_to_new_folio Known issue, fixed in for-next... > console output: https://syzkaller.appspot.com/x/log.txt?x=11eb8382580000 Looks like it's hitting the new validation instead of the UB anyway. Andy