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Mon, 15 Jan 2024 13:42:28 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id /zq2E0Q2pWXoZAAAD6G6ig (envelope-from ); Mon, 15 Jan 2024 13:42:28 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 19A03A07EA; Mon, 15 Jan 2024 14:42:28 +0100 (CET) Date: Mon, 15 Jan 2024 14:42:28 +0100 From: Jan Kara To: syzbot Cc: axboe@kernel.dk, brauner@kernel.org, dave.kleikamp@oracle.com, ghandatmanas@gmail.com, jack@suse.cz, jfs-discussion@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, linux-kernel@vger.kernel.org, shaggy@kernel.org, syzkaller-bugs@googlegroups.com, syzkaller@googlegroups.com Subject: Re: [syzbot] [jfs?] UBSAN: array-index-out-of-bounds in diWrite Message-ID: <20240115134228.vk73b4lkk7lxkgyr@quack3> References: <00000000000027993305eb841df8@google.com> <000000000000c746f0060ee2b23a@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000c746f0060ee2b23a@google.com> X-Spam-Level: * X-Spamd-Bar: + Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b=msSEKnM2; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=Jm5offHg X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [1.24 / 50.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TO_DN_SOME(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLjmuxkameenh34oafz4d4fopd)]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[suse.cz:+]; MX_GOOD(-0.01)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; BAYES_HAM(-0.25)[73.41%]; SUBJECT_HAS_QUESTION(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FROM_HAS_DN(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; URI_HIDDEN_PATH(1.00)[https://syzkaller.appspot.com/x/.config?x=d19f5d16783f901]; TAGGED_RCPT(0.00)[c1056fdfe414463fdb33]; MIME_GOOD(-0.10)[text/plain]; NEURAL_HAM_LONG(-1.00)[-1.000]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; RCPT_COUNT_TWELVE(0.00)[13]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; MID_RHS_NOT_FQDN(0.50)[]; FREEMAIL_CC(0.00)[kernel.dk,kernel.org,oracle.com,gmail.com,suse.cz,lists.sourceforge.net,vger.kernel.org,lists.linuxfoundation.org,googlegroups.com]; RCVD_TLS_ALL(0.00)[]; SUSPICIOUS_RECIPS(1.50)[] X-Spam-Score: 1.24 X-Rspamd-Queue-Id: 5AF3821EC2 X-Spam-Flag: NO On Sat 13-01-24 23:18:05, syzbot wrote: > syzbot suspects this issue was fixed by commit: > > commit 6f861765464f43a71462d52026fbddfc858239a5 > Author: Jan Kara > Date: Wed Nov 1 17:43:10 2023 +0000 > > fs: Block writes to mounted block devices > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17ec162be80000 > start commit: 493ffd6605b2 Merge tag 'ucount-rlimits-cleanups-for-v5.19'.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=d19f5d16783f901 > dashboard link: https://syzkaller.appspot.com/bug?extid=c1056fdfe414463fdb33 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12f431d2880000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1208894a880000 > > If the result looks correct, please mark the issue as fixed by replying with: Makes sense: #syz fix: fs: Block writes to mounted block devices Honza -- Jan Kara SUSE Labs, CR