syzbot


KCSAN: data-race in find_next_bit / rcu_report_exp_cpu_mult
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+134336b86f728d6e55a0@syzkaller.appspotmail.com
Fix commit: 15c7c972 rcu: Use *_ONCE() to protect lockless ->expmask accesses
First crash: 357d, last: 232d

Sample crash report:

Crashes (203):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci2-upstream-kcsan-gce 2020/02/07 00:08 https://github.com/google/ktsan.git kcsan 245a4300 06150bf1 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/02/06 11:56 https://github.com/google/ktsan.git kcsan 245a4300 5be3a391 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/02/05 13:42 https://github.com/google/ktsan.git kcsan 245a4300 662cf49a .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci2-upstream-kcsan-gce 2020/02/05 13:40 https://github.com/google/ktsan.git kcsan 245a4300 662cf49a .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/02/02 12:22 https://github.com/google/ktsan.git kcsan 245a4300 93e5e335 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, kafai@fb.com, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com, yoshfuji@linux-ipv6.org
ci2-upstream-kcsan-gce 2020/02/01 22:31 https://github.com/google/ktsan.git kcsan 245a4300 2274ad39 .config log report a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, sven@narfation.org, sw@simonwunderlich.de
ci2-upstream-kcsan-gce 2020/02/01 10:26 https://github.com/google/ktsan.git kcsan 245a4300 326d4c78 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/31 18:48 https://github.com/google/ktsan.git kcsan 245a4300 0eb59c27 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/29 15:37 https://github.com/google/ktsan.git kcsan 245a4300 5ed23f9a .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci2-upstream-kcsan-gce 2020/01/28 16:33 https://github.com/google/ktsan.git kcsan 245a4300 c8e81ce4 .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/27 15:04 https://github.com/google/ktsan.git kcsan 245a4300 56cd6c9b .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/26 15:54 https://github.com/google/ktsan.git kcsan 245a4300 dd56146d .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/25 22:07 https://github.com/google/ktsan.git kcsan 245a4300 f4e7270e .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci2-upstream-kcsan-gce 2020/01/24 06:28 https://github.com/google/ktsan.git kcsan 245a4300 2e95ab33 .config log report jmorris@namei.org, john.johansen@canonical.com, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, serge@hallyn.com
ci2-upstream-kcsan-gce 2020/01/23 14:45 https://github.com/google/ktsan.git kcsan 245a4300 11ebf937 .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/22 17:50 https://github.com/google/ktsan.git kcsan 245a4300 3334d684 .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/20 21:46 https://github.com/google/ktsan.git kcsan 245a4300 8eda0b95 .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/20 09:47 https://github.com/google/ktsan.git kcsan 245a4300 c40da18c .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/19 15:18 https://github.com/google/ktsan.git kcsan 245a4300 0342f8c7 .config log report linux-kernel@vger.kernel.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/18 21:00 https://github.com/google/ktsan.git kcsan 245a4300 bc8bc756 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci2-upstream-kcsan-gce 2020/01/16 11:35 https://github.com/google/ktsan.git kcsan 245a4300 3de7aabb .config log report akpm@linux-foundation.org, christian@brauner.io, keescook@chromium.org, linux-kernel@vger.kernel.org, luto@amacapital.net, mingo@kernel.org, peterz@infradead.org, tglx@linutronix.de, wad@chromium.org
ci2-upstream-kcsan-gce 2020/01/16 11:34 https://github.com/google/ktsan.git kcsan 245a4300 3de7aabb .config log report Janakarajan.Natarajan@amd.com, ak@linux.intel.com, bp@alien8.de, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org
ci2-upstream-kcsan-gce 2020/01/15 17:31 https://github.com/google/ktsan.git kcsan 245a4300 f9b69507 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci2-upstream-kcsan-gce 2020/01/15 15:35 https://github.com/google/ktsan.git kcsan 245a4300 069a5a44 .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/14 19:14 https://github.com/google/ktsan.git kcsan 245a4300 fa12bd3c .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci2-upstream-kcsan-gce 2020/01/13 23:03 https://github.com/google/ktsan.git kcsan 245a4300 32881205 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, dsahern@gmail.com, hawk@kernel.org, jakub.kicinski@netronome.com, jiri@mellanox.com, johannes.berg@intel.com, john.fastabend@gmail.com, kafai@fb.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com
ci2-upstream-kcsan-gce 2020/01/13 10:55 https://github.com/google/ktsan.git kcsan 245a4300 99565c1a .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/12 22:35 https://github.com/google/ktsan.git kcsan 245a4300 53faa9fe .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/12 10:39 https://github.com/google/ktsan.git kcsan 245a4300 31290a45 .config log report a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, sven@narfation.org, sw@simonwunderlich.de
ci2-upstream-kcsan-gce 2020/01/11 02:37 https://github.com/google/ktsan.git kcsan 245a4300 4c04afaa .config log report a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, sven@narfation.org, sw@simonwunderlich.de
ci2-upstream-kcsan-gce 2020/01/10 14:21 https://github.com/google/ktsan.git kcsan 245a4300 2e0a9b2b .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/09 14:33 https://github.com/google/ktsan.git kcsan 245a4300 4de4e9f0 .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/09 14:33 https://github.com/google/ktsan.git kcsan 245a4300 4de4e9f0 .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/08 09:23 https://github.com/google/ktsan.git kcsan 245a4300 ddc3e859 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci2-upstream-kcsan-gce 2020/01/07 21:43 https://github.com/google/ktsan.git kcsan 245a4300 6738e0b3 .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/07 09:15 https://github.com/google/ktsan.git kcsan 245a4300 1bcd407e .config log report axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-upstream-kcsan-gce 2020/01/06 19:51 https://github.com/google/ktsan.git kcsan 245a4300 53430d97 .config log report axboe@kernel.dk, justin@coraid.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-upstream-kcsan-gce 2020/01/06 00:19 https://github.com/google/ktsan.git kcsan 245a4300 438e1227 .config log report davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-upstream-kcsan-gce 2020/01/05 12:02 https://github.com/google/ktsan.git kcsan 245a4300 d646e21f .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/03 21:51 https://github.com/google/ktsan.git kcsan 245a4300 68256974 .config log report linux-kernel@vger.kernel.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2020/01/03 09:41 https://github.com/google/ktsan.git kcsan 245a4300 9dcc1191 .config log report gregkh@linuxfoundation.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, namit@vmware.com, peterz@infradead.org, tglx@linutronix.de
ci2-upstream-kcsan-gce 2019/12/31 16:34 https://github.com/google/ktsan.git kcsan 245a4300 25a0186e .config log report a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, sven@narfation.org, sw@simonwunderlich.de
ci2-upstream-kcsan-gce 2019/12/31 04:26 https://github.com/google/ktsan.git kcsan 245a4300 7f117e28 .config log report akpm@linux-foundation.org, christian@brauner.io, keescook@chromium.org, linux-kernel@vger.kernel.org, luto@amacapital.net, mingo@kernel.org, peterz@infradead.org, tglx@linutronix.de, wad@chromium.org
ci2-upstream-kcsan-gce 2019/10/04 16:12 https://github.com/google/ktsan.git kcsan b4bd9343 c86336cf .config log report a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, sw@simonwunderlich.de