syzbot


general protection fault in override_creds
Status: fixed on 2020/01/08 01:06
Reported-by: syzbot+5320383e16029ba057ff@syzkaller.appspotmail.com
Fix commit: 0b8c0ec7 io_uring: use current task creds instead of allocating a new one
First crash: 48d, last: 45d

Cause bisection: introduced by (bisect log):

commit 181e448d8709e517c9c7b523fcd209f24eb38ca7
Author: Jens Axboe <axboe@kernel.dk>
Date: Mon Nov 25 15:52:30 2019 +0000

  io_uring: async workers should inherit the user creds

Crash: general protection fault in override_creds (log)
Repro: C syz .config

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2019/12/02 01:53 upstream b94ae8ad f879db37 .config log report syz C Anna.Schumaker@Netapp.com, casey@schaufler-ca.com, dhowells@redhat.com, jannh@google.com, keescook@chromium.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, neilb@suse.com, tglx@linutronix.de
ci-upstream-kasan-gce-root 2019/12/05 11:07 upstream aedc0650 b2088328 .config log report Anna.Schumaker@Netapp.com, allison@lohutok.net, casey@schaufler-ca.com, dhowells@redhat.com, jannh@google.com, keescook@chromium.org, linux-kernel@vger.kernel.org, neilb@suse.com, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2019/12/04 01:27 upstream 76bb8b05 ae13a849 .config log report Anna.Schumaker@Netapp.com, casey@schaufler-ca.com, dhowells@redhat.com, jannh@google.com, keescook@chromium.org, linux-kernel@vger.kernel.org, neilb@suse.com, tglx@linutronix.de
ci-upstream-kasan-gce-root 2019/12/02 00:51 upstream b94ae8ad f879db37 .config log report Anna.Schumaker@Netapp.com, casey@schaufler-ca.com, dhowells@redhat.com, jamorris@linux.microsoft.com, jannh@google.com, keescook@chromium.org, linux-kernel@vger.kernel.org, neilb@suse.com, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2019/12/03 19:59 linux-next 1ab75b2e ae13a849 .config log report Anna.Schumaker@Netapp.com, casey@schaufler-ca.com, dhowells@redhat.com, jannh@google.com, keescook@chromium.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, neilb@suse.com, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2019/12/03 05:25 linux-next c5db9290 ab342da3 .config log report Anna.Schumaker@Netapp.com, casey@schaufler-ca.com, dhowells@redhat.com, jannh@google.com, keescook@chromium.org, linux-kernel@vger.kernel.org, neilb@suse.com, paulmck@linux.ibm.com, tglx@linutronix.de