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Tue, 20 Feb 2024 10:00:52 +0000 (UTC) Received: from dovecot-director2.suse.de ([10.150.64.162]) by imap2.dmz-prg2.suse.org with ESMTPSA id q1xsOVR41GWkbwAAn2gu4w (envelope-from ); Tue, 20 Feb 2024 10:00:52 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 8853BA0807; Tue, 20 Feb 2024 11:00:52 +0100 (CET) Date: Tue, 20 Feb 2024 11:00:52 +0100 From: Jan Kara To: syzbot Cc: adilger.kernel@dilger.ca, apparmor-owner@lists.ubuntu.com, apparmor@lists.ubuntu.com, axboe@kernel.dk, brauner@kernel.org, jack@suse.cz, jmorris@namei.org, john.johansen@canonical.com, john@apparmor.net, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, paul@paul-moore.com, serge@hallyn.com, syzkaller-bugs@googlegroups.com, terrelln@fb.com, tytso@mit.edu Subject: Re: [syzbot] [apparmor?] [ext4?] general protection fault in common_perm_cond Message-ID: <20240220100052.gbuy6dopqql7m7yl@quack3> References: <000000000000ae0abc0600e0d534@google.com> <000000000000af682a0611c9a06f@google.com> Precedence: bulk X-Mailing-List: linux-security-module@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: <000000000000af682a0611c9a06f@google.com> X-Spam-Level: * X-Spamd-Bar: + Authentication-Results: smtp-out2.suse.de; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b=F3fSdRfB; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=UNrJPI4S X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [1.49 / 50.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLrqdkzci5prbpfh8ttufrg9xb)]; 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(-0.00)[44.04%]; 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)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; URI_HIDDEN_PATH(1.00)[https://syzkaller.appspot.com/x/.config?x=6769a69bd0e144b4]; TAGGED_RCPT(0.00)[7d5fa8eb99155f439221]; MIME_GOOD(-0.10)[text/plain]; NEURAL_HAM_LONG(-1.00)[-1.000]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; RCPT_COUNT_TWELVE(0.00)[19]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:email,suse.cz:dkim,suse.cz:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_TLS_ALL(0.00)[]; SUSPICIOUS_RECIPS(1.50)[] X-Spam-Score: 1.49 X-Rspamd-Queue-Id: 0B8EE1F867 X-Spam-Flag: NO On Mon 19-02-24 21:39:02, 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=1644f22c180000 > start commit: b6e6cc1f78c7 Merge tag 'x86_urgent_for_6.5_rc2' of git://g.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=6769a69bd0e144b4 > dashboard link: https://syzkaller.appspot.com/bug?extid=7d5fa8eb99155f439221 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=137b16dca80000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14153b7ca80000 > > 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