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From: Muchun Song In-Reply-To: <0000000000006f7e4d0620042b96@google.com> Date: Mon, 19 Aug 2024 16:05:41 +0800 Cc: Andrew Morton , cgroups@vger.kernel.org, Johannes Weiner , Linux Kernel Mailing List , Linux Memory Management List , Michal Hocko , Roman Gushchin , Shakeel Butt , Muchun Song , syzkaller-bugs@googlegroups.com, Vlastimil Babka Content-Transfer-Encoding: quoted-printable Message-Id: References: <0000000000006f7e4d0620042b96@google.com> To: syzbot X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 15DCEA001D X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 8df6gaqoeek41uttxjsriab9feu7jako X-HE-Tag: 1724054790-91170 X-HE-Meta: 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 P/92NJqS 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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 Aug 19, 2024, at 15:22, syzbot = wrote: >=20 > Hello, >=20 > syzbot found the following issue on: >=20 > HEAD commit: 367b5c3d53e5 Add linux-next specific files for = 20240816 > git tree: linux-next > console+strace: = https://syzkaller.appspot.com/x/log.txt?x=3D11be396b980000 > kernel config: = https://syzkaller.appspot.com/x/.config?x=3D61ba6f3b22ee5467 > dashboard link: = https://syzkaller.appspot.com/bug?extid=3Def4ecf7b6bdc4157bfa4 > 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=3D147469f5980000 > C reproducer: = https://syzkaller.appspot.com/x/repro.c?x=3D153c5ad5980000 >=20 > Downloadable assets: > disk image: = https://storage.googleapis.com/syzbot-assets/0b1b4e3cad3c/disk-367b5c3d.ra= w.xz > vmlinux: = https://storage.googleapis.com/syzbot-assets/5bb090f7813c/vmlinux-367b5c3d= .xz > kernel image: = https://storage.googleapis.com/syzbot-assets/6674cb0709b1/bzImage-367b5c3d= .xz >=20 > The issue was bisected to: >=20 > commit ebadc95608dc3ee87ad4e5dc4f2c665c709bb899 > Author: Muchun Song > Date: Wed Aug 14 09:34:15 2024 +0000 >=20 > mm: kmem: add lockdep assertion to obj_cgroup_memcg >=20 > bisection log: = https://syzkaller.appspot.com/x/bisect.txt?x=3D170875f5980000 > final oops: = https://syzkaller.appspot.com/x/report.txt?x=3D148875f5980000 > console output: = https://syzkaller.appspot.com/x/log.txt?x=3D108875f5980000 >=20 > IMPORTANT: if you fix the issue, please add the following tag to the = commit: > Reported-by: syzbot+ef4ecf7b6bdc4157bfa4@syzkaller.appspotmail.com Thanks for your report. I've fixed this in patch [1]. [1] = https://lore.kernel.org/linux-mm/20240819080415.44964-1-songmuchun@bytedan= ce.com/T/#u