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AJvYcCXiedqBqwGQFI4DlBgHtX/42alqk9pCilZoN2aEEFmEdWW3KjWlJhpwygHBSpqAe5aQXHs6CISvKnuMXyY=@vger.kernel.org X-Gm-Message-State: AOJu0Yz33oL974sibUTPSe27uZWRzjuNlwDDHVjDu7Qwv7TZ4lrr9fh9 6zeqTsUfjUFl4kZ1rDGwrpx+X7I+MbgrKisUBNeAx20bf0s5g9XpB6/6DtO8HMy7FJVNEDI0FpX cXDM6tpkXfj5bAaVJxk7jHpiJQuj3Awb8gsyQoFdtA8RqE96GBqI5nis= X-Google-Smtp-Source: AGHT+IGwtuBYqtqyXs7WRh4r9OmvUUEzOExCVcEqx0h1T1Y13Uv2G2YCBtq+f/KGXA4sXFhBQN7tN/Kda77poO16j+d/OJj+D8XX Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a67:b0:3d9:36a8:3da0 with SMTP id e9e14a558f8ab-3da7854d64emr31349925ab.2.1746688383016; Thu, 08 May 2025 00:13:03 -0700 (PDT) Date: Thu, 08 May 2025 00:13:03 -0700 In-Reply-To: <000000000000adb08b061413919e@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <681c597f.050a0220.a19a9.00bd.GAE@google.com> Subject: Re: [syzbot] [bpf?] possible deadlock in trie_delete_elem From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, eddyz87@gmail.com, elic@nvidia.com, haoluo@google.com, hdanton@sina.com, jasowang@redhat.com, john.fastabend@gmail.com, jolsa@kernel.org, kafai@fb.com, kpsingh@kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, lkp@intel.com, llvm@lists.linux.dev, martin.lau@linux.dev, mathieu.desnoyers@efficios.com, memxor@gmail.com, mhiramat@kernel.org, michal.kukowski@infogain.com, michal.switala@infogain.com, mst@redhat.com, netdev@vger.kernel.org, norbert.kaminski@igglobal.com, norbert.kaminski@infogain.com, norkam41@gmail.com, oe-kbuild-all@lists.linux.dev, parav@nvidia.com, rostedt@goodmis.org, sdf@fomichev.me, sdf@google.com, song@kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, wojciech.gladysz@infogain.com, yhs@fb.com, yonghong.song@linux.dev Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 47979314c0fe245ed54306e2f91b3f819c7c0f9f Author: Kumar Kartikeya Dwivedi Date: Sun Mar 16 04:05:37 2025 +0000 bpf: Convert lpm_trie.c to rqspinlock bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=140598f4580000 start commit: c2933b2befe2 Merge tag 'net-6.14-rc1' of git://git.kernel... git tree: net-next kernel config: https://syzkaller.appspot.com/x/.config?x=d033b14aeef39158 dashboard link: https://syzkaller.appspot.com/bug?extid=9d95beb2a3c260622518 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=108e1724580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=177035f8580000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: bpf: Convert lpm_trie.c to rqspinlock For information about bisection process see: https://goo.gl/tpsmEJ#bisection