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Tue, 11 Nov 2025 08:14:04 -0800 (PST) Date: Tue, 11 Nov 2025 08:14:04 -0800 In-Reply-To: <20251111-gaspipeline-getippt-9b19b62f89d2@brauner> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <691360cc.a70a0220.22f260.013e.GAE@google.com> Subject: Re: [syzbot] [fs?] WARNING in nsproxy_ns_active_put From: syzbot To: akpm@linux-foundation.org, bpf@vger.kernel.org, brauner@kernel.org, bsegall@google.com, david@redhat.com, dietmar.eggemann@arm.com, jack@suse.cz, jsavitz@redhat.com, juri.lelli@redhat.com, kartikey406@gmail.com, kees@kernel.org, liam.howlett@oracle.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-security-module@vger.kernel.org, lorenzo.stoakes@oracle.com, mgorman@suse.de, mhocko@suse.com, mingo@redhat.com, mjguzik@gmail.com, oleg@redhat.com, paul@paul-moore.com, peterz@infradead.org, rostedt@goodmis.org, rppt@kernel.org, sergeh@kernel.org, surenb@google.com, syzkaller-bugs@googlegroups.com, vbabka@suse.cz, vincent.guittot@linaro.org, viro@zeniv.linux.org.uk, vschneid@redhat.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 2E7CF80010 X-Stat-Signature: 9d6h3oka3zmpqps5zax7ezzdbhcupmou X-Rspam-User: X-HE-Tag: 1762877645-263598 X-HE-Meta: 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 DbPF8Ikw 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 himEfiPc 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: Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+0b2e79f91ff6579bfa5b@syzkaller.appspotmail.com Tested-by: syzbot+0b2e79f91ff6579bfa5b@syzkaller.appspotmail.com Tested on: commit: d2bab7f2 nsproxy: fix free_nsproxy() and simplify crea.. git tree: https://github.com/brauner/linux.git namespace-6.19 console output: https://syzkaller.appspot.com/x/log.txt?x=123a8658580000 kernel config: https://syzkaller.appspot.com/x/.config?x=59952e73920025e4 dashboard link: https://syzkaller.appspot.com/bug?extid=0b2e79f91ff6579bfa5b compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.