syzbot


[upstream] WARNING: locking bug in lock_downgrade
Status: upstream: reported on 2018/11/26 20:38
Reported-by: syzbot+53383ae265fb161ef488@syzkaller.appspotmail.com
Fix commit: 513e1073 locking/lockdep: Add debug_locks check in __lock_downgrade() locking/lockdep: Add debug_locks check in __lock_downgrade()
Patched on: [ci-upstream-bpf-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-this-kasan-gce], missing on: [ci-upstream-bpf-next-kasan-gce ci-upstream-kmsan-gce ci-upstream-net-kasan-gce]
First crash: 113d, last: 55d

Sample crash report:

All crashes (30):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-smack-root 2018/11/25 14:59 upstream e195ca6c 3d3ec907 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux@dominikbrodowski.net, mhocko@suse.com, rientjes@google.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-kasan-gce-root 2018/12/03 19:07 upstream 25956467 819002b0 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux@dominikbrodowski.net, mhocko@suse.com, rientjes@google.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-kasan-gce 2018/11/30 17:50 upstream 94f371cb ade12e91 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux@dominikbrodowski.net, mhocko@suse.com, rientjes@google.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-kasan-gce 2018/11/28 08:11 upstream ef78e5ec 4b6d14f2 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux@dominikbrodowski.net, mhocko@suse.com, rientjes@google.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-kasan-gce-smack-root 2018/11/27 10:29 upstream 6f8b52ba ac912200 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux@dominikbrodowski.net, mhocko@suse.com, rientjes@google.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-kasan-gce-386 2018/12/04 13:56 upstream 0072a0c1 6ad0ae61 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux@dominikbrodowski.net, mhocko@suse.com, rientjes@google.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com
ci-upstream-kasan-gce-386 2018/11/27 15:41 upstream ef78e5ec 4b6d14f2 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux@dominikbrodowski.net, mhocko@suse.com, rientjes@google.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/22 02:22 linux-next a790195e badbbeee .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/21 14:19 linux-next a790195e badbbeee .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/20 05:37 linux-next 9673b4aa 353f32ea .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/18 19:51 linux-next 9673b4aa 2103a236 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/18 16:04 linux-next 9673b4aa 2103a236 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/17 20:48 linux-next a37d50ca 769e75ed .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/16 21:20 linux-next cbeb3db6 d538790b .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/15 23:20 linux-next 5aa6589e 79cb1a7c .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/15 18:52 linux-next 5aa6589e 79cb1a7c .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/15 16:42 linux-next 5aa6589e 79cb1a7c .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/14 12:07 linux-next 8ce4d582 95485883 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/13 12:06 linux-next b808822a c3f3344c .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/12 12:39 linux-next b808822a c3f3344c .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/11 17:58 linux-next b808822a c3f3344c .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/11 16:43 linux-next b808822a c3f3344c .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/10 17:24 linux-next 6cab33af db9b6579 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/10 08:04 linux-next 6cab33af 45c0c1b1 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/09 10:56 linux-next d6e77253 45c0c1b1 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/09 10:32 linux-next d6e77253 45c0c1b1 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/08 03:02 linux-next a85b6b4f 69d69aa9 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/07 16:39 linux-next a85b6b4f 69d69aa9 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/07 09:46 linux-next a85b6b4f ee332608 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, yang.shi@linux.alibaba.com
ci-upstream-linux-next-kasan-gce-root 2019/01/07 08:09 linux-next a85b6b4f ee332608 .config log report akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rientjes@google.com, steve.capper@arm.com, tiny.windzz@gmail.com, vbabka@suse.cz, willy@infradead.org, yang.shi@linux.alibaba.com