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bh=HNF1/TeRE/xduKFDk0e37ozpmkiTyLLOJA0349b6JaY=; b=cB0yyXiTrIIuSzjPcGODnI6L0p80/Eu+qIzrf6ikkgGa87itYjccOAQbjOnpGUx3a6aBBd JL85ojTzA46dY4BQ== Received: from imap2.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap2.dmz-prg2.suse.org (Postfix) with ESMTPS id AAEC113911; Mon, 29 Jan 2024 09:27:31 +0000 (UTC) Received: from dovecot-director2.suse.de ([10.150.64.162]) by imap2.dmz-prg2.suse.org with ESMTPSA id vZZlKYNvt2VJQwAAn2gu4w (envelope-from ); Mon, 29 Jan 2024 09:27:31 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 52859A0807; Mon, 29 Jan 2024 10:27:27 +0100 (CET) Date: Mon, 29 Jan 2024 10:27:27 +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?] WARNING in udf_new_block Message-ID: <20240129092727.s3smagmot77rmsud@quack3> References: <000000000000e9e9ee05f716c445@google.com> <0000000000007bd31e060ff7d8f0@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: <0000000000007bd31e060ff7d8f0@google.com> Authentication-Results: smtp-out2.suse.de; none X-Spam-Level: X-Spam-Score: -1.30 X-Spamd-Result: default: False [-1.30 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; BAYES_HAM(-3.00)[100.00%]; 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=11e478e28144788c]; TAGGED_RCPT(0.00)[cc717c6c5fee9ed6e41d]; MIME_GOOD(-0.10)[text/plain]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; RCPT_COUNT_SEVEN(0.00)[8]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:email,suse.cz:email,syzkaller.appspot.com:url]; 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-Flag: NO On Sat 27-01-24 17:57:03, 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=15fe39a7e80000 > start commit: 10a6e5feccb8 Merge tag 'drm-fixes-2023-10-13' of git://ano.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=11e478e28144788c > dashboard link: https://syzkaller.appspot.com/bug?extid=cc717c6c5fee9ed6e41d > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16700ae5680000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17f897f1680000 > > If the result looks correct, please mark the issue as fixed by replying with: Yes, I was suspecting this from my experiments for a long time :) #syz fix: fs: Block writes to mounted block devices Honza -- Jan Kara SUSE Labs, CR