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Fri, 21 Feb 2025 14:56:37 +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 WlKqGCWUuGcPEgAAD6G6ig (envelope-from ); Fri, 21 Feb 2025 14:56:37 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id EA3CEA081E; Fri, 21 Feb 2025 15:56:32 +0100 (CET) Date: Fri, 21 Feb 2025 15:56:32 +0100 From: Jan Kara To: syzbot Cc: akpm@linux-foundation.org, axboe@kernel.dk, brauner@kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, reiserfs-devel@vger.kernel.org, syzkaller-bugs@googlegroups.com, willy@infradead.org Subject: Re: [syzbot] [mm] [fs] possible deadlock in page_cache_ra_unbounded Message-ID: References: <000000000000d0021505f0522813@google.com> <67b75632.050a0220.14d86d.02e4.GAE@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <67b75632.050a0220.14d86d.02e4.GAE@google.com> X-Rspamd-Queue-Id: 09F8F4000B X-Stat-Signature: 5xtqtn4fmdsecy98cf7xmte1ehin9phu X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1740149798-421488 X-HE-Meta: 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 AyReN/JZ 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu 20-02-25 08:20:02, 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=16e867f8580000 > start commit: 861deac3b092 Linux 6.7-rc7 > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=e1e118a9228c45d7 > dashboard link: https://syzkaller.appspot.com/bug?extid=47c7e14e1bd09234d0ad > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=100b9595e80000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1415ff9ee80000 > > 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