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From: Shakeel Butt To: syzbot Cc: akpm@linux-foundation.org, cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, muchun.song@linux.dev, roman.gushchin@linux.dev, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [mm?] [cgroups?] general protection fault in refill_obj_stock Message-ID: References: <6835c01c.a70a0220.253bc2.00b7.GAE@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6835c01c.a70a0220.253bc2.00b7.GAE@google.com> X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 2090F4000A X-Stat-Signature: yr6neu111ygnkdwenn4nybxx4pnd5xn5 X-Rspam-User: X-HE-Tag: 1748367762-75992 X-HE-Meta: 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 g0DMEWO/ 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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, May 27, 2025 at 06:37:32AM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 914873bc7df9 Merge tag 'x86-build-2025-05-25' of git://git.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=12dcf882580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=231a962e5fdb804b > dashboard link: https://syzkaller.appspot.com/bug?extid=5dd4e428fa723938e6fd > compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 > > Unfortunately, I don't have any reproducer for this issue yet. > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/ecae640d0786/disk-914873bc.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/d451e50efeae/vmlinux-914873bc.xz > kernel image: https://storage.googleapis.com/syzbot-assets/8f7363263e49/bzImage-914873bc.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+5dd4e428fa723938e6fd@syzkaller.appspotmail.com #syz dup: [syzbot] [cgroups?] [mm?] BUG: unable to handle kernel paging request in percpu_ref_get_many (2)