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Fri, 26 Jan 2024 14:11:02 +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 xRR/JXa9s2VbawAAD6G6ig (envelope-from ); Fri, 26 Jan 2024 14:11:02 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 1DF22A0805; Fri, 26 Jan 2024 15:11:00 +0100 (CET) Date: Fri, 26 Jan 2024 15:11:00 +0100 From: Jan Kara To: syzbot Cc: axboe@kernel.dk, brauner@kernel.org, jack@suse.com, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [udf?] KASAN: use-after-free Read in crc_itu_t Message-ID: <20240126141100.s6hphczfikjbbrm5@quack3> References: <000000000000f8389205e9f9ec5f@google.com> <000000000000d227b6060fd90a48@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: <000000000000d227b6060fd90a48@google.com> Authentication-Results: smtp-out1.suse.de; none X-Spamd-Result: default: False [0.67 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; BAYES_HAM(-2.23)[96.38%]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; URI_HIDDEN_PATH(1.00)[https://syzkaller.appspot.com/x/.config?x=7474de833c217bf4]; TAGGED_RCPT(0.00)[d8fc21bfa138a5ae916d]; MIME_GOOD(-0.10)[text/plain]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; RCPT_COUNT_SEVEN(0.00)[8]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:email,suse.com:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_TLS_ALL(0.00)[]; SUSPICIOUS_RECIPS(1.50)[]; SUBJECT_HAS_QUESTION(0.00)[] X-Spam-Level: X-Spam-Flag: NO X-Spam-Score: 0.67 On Fri 26-01-24 05:12:04, 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=1204f1efe80000 > start commit: a4d7d7011219 Merge tag 'spi-fix-v6.4-rc5' of git://git.ker.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=7474de833c217bf4 > dashboard link: https://syzkaller.appspot.com/bug?extid=d8fc21bfa138a5ae916d > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1442e70b280000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16db80dd280000 > > If the result looks correct, please mark the issue as fixed by replying with: Looks good: #syz fix: fs: Block writes to mounted block devices Honza -- Jan Kara SUSE Labs, CR