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AJvYcCU3IVsSEouMnZAcmOhC9AMA3lZClTSw4tiAHDw+PWncpVLNjK4Z2psCHIa4jImsXuHXliC8oHuI@vger.kernel.org X-Gm-Message-State: AOJu0YxfEUoMhdZIyy0bKhAoID2o6vKnH/24tDtKOzHjMhJYHwRU/QVd jZ27mDZiZHXfvB0Us4o4LSXYSXeSB3b3/BA9udRw0GemDw+hEOuDbcb9Iadxkuz5udafn2H6RT2 v1+tSlfAFJa7vMs6iZpncYeezuRLn3cifJfnyk86iFzlHb94HmDKibGnZYMU= X-Google-Smtp-Source: AGHT+IEQRq/93P1vlQQW6gk27vSZbUYibORnozKjfZjrhOWDxoyWlapnF/W8MSX0jIwjw9gXTkTNpSFyTUz+21o3FyrLcLLpbSex Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:23c8:b0:42d:7d2e:2bff with SMTP id e9e14a558f8ab-42d81687a6fmr82693985ab.22.1759412103562; Thu, 02 Oct 2025 06:35:03 -0700 (PDT) Date: Thu, 02 Oct 2025 06:35:03 -0700 In-Reply-To: <68dc3ade.a70a0220.10c4b.015c.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68de7f87.a00a0220.102ee.00a5.GAE@google.com> Subject: Re: [syzbot] [fs?] WARNING in free_mnt_ns From: syzbot To: akpm@linux-foundation.org, anna-maria@linutronix.de, brauner@kernel.org, cgroups@vger.kernel.org, cminyard@mvista.com, cyphar@cyphar.com, davem@davemloft.net, djwong@kernel.org, edumazet@google.com, frederic@kernel.org, hannes@cmpxchg.org, hdanton@sina.com, horms@kernel.org, jack@suse.cz, jlayton@kernel.org, joel.granados@kernel.org, kuba@kernel.org, kuniyu@google.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mawupeng1@huawei.com, mkoutny@suse.com, netdev@vger.kernel.org, pabeni@redhat.com, sd@queasysnail.net, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, tj@kernel.org, viro@zeniv.linux.org.uk, wei.liu@kernel.org Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit be5f21d3985f00827e09b798f7a07ebd6dd7f54a Author: Christian Brauner Date: Wed Sep 17 10:28:08 2025 +0000 ns: add ns_common_free() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=124fb6e2580000 start commit: 50c19e20ed2e Merge tag 'nolibc-20250928-for-6.18-1' of git.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=114fb6e2580000 console output: https://syzkaller.appspot.com/x/log.txt?x=164fb6e2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=8f1ac8502efee0ee dashboard link: https://syzkaller.appspot.com/bug?extid=7d23dc5cd4fa132fb9f3 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15842092580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=132946e2580000 Reported-by: syzbot+7d23dc5cd4fa132fb9f3@syzkaller.appspotmail.com Fixes: be5f21d3985f ("ns: add ns_common_free()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection