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From: Kent Overstreet To: syzbot Cc: akpm@linux-foundation.org, bfoster@redhat.com, linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [bcachefs?] WARNING in bch2_fs_ioctl Message-ID: References: <0000000000003aacfb061aa140ad@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0000000000003aacfb061aa140ad@google.com> X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 16A96120004 X-Stat-Signature: eio3k8bhztu3uwnfjb9559hu8xyoqaty X-HE-Tag: 1718234609-804570 X-HE-Meta: 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 1hYyaq0i 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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 Tue, Jun 11, 2024 at 11:15:29AM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 83a7eefedc9b Linux 6.10-rc3 > git tree: upstream > console+strace: https://syzkaller.appspot.com/x/log.txt?x=116b64de980000 > kernel config: https://syzkaller.appspot.com/x/.config?x=c79815c08cc14227 > dashboard link: https://syzkaller.appspot.com/bug?extid=9757fdbdabd69eae08ad > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=109726ee980000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13f2c4fe980000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/b45273014a8f/disk-83a7eefe.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/94cd5708292e/vmlinux-83a7eefe.xz > kernel image: https://storage.googleapis.com/syzbot-assets/a89698812e8b/bzImage-83a7eefe.xz > mounted in repro: https://storage.googleapis.com/syzbot-assets/2b8f6b18fd8a/mount_0.gz > > The issue was bisected to: > > commit 03ef80b469d5d83530ce1ce15be78a40e5300f9b > Author: Kent Overstreet > Date: Sat Sep 23 22:41:51 2023 +0000 > > bcachefs: Ignore unknown mount options these bisects are all wrong... > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1538cd96980000 > final oops: https://syzkaller.appspot.com/x/report.txt?x=1738cd96980000 > console output: https://syzkaller.appspot.com/x/log.txt?x=1338cd96980000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+9757fdbdabd69eae08ad@syzkaller.appspotmail.com > Fixes: 03ef80b469d5 ("bcachefs: Ignore unknown mount options") > > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 5079 at mm/page_alloc.c:4654 __alloc_pages_noprof+0x36a/0x6c0 mm/page_alloc.c:4654 this is already fixed in the disk accounting rewrite, queued up for 6.11