syzbot


WARNING: bad usercopy in corrupted (2)
Status: fixed on 2019/03/20 20:32
Reported-by: syzbot+d89b30c46434c433dbf8@syzkaller.appspotmail.com
Fix commit: bc6e019b fou: Prevent unbounded recursion in GUE error handler also with UDP-Lite
First crash: 297d, last: 250d
Bisection: introduced by (bisect log):

commit b8a51b38e4d4dec3e379d52c0fe1a66827f7cf1e
Author: Stefano Brivio <sbrivio@redhat.com>
Date: Thu Nov 8 11:19:23 2018 +0000

  fou, fou6: ICMP error handlers for FoU and GUE

Tree: net-next
Crash: no output from test machine (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream WARNING: bad usercopy in corrupted syz 2 417d 417d 0/13 closed as invalid on 2018/07/29 11:55

Sample crash report:

All crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-net-kasan-gce 2018/11/25 01:06 net-next aea0a897 ecc7c870 .config log report syz C crecklin@redhat.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-net-kasan-gce 2018/12/17 12:50 net-next ae6750e0 def91db3 .config log report syz C crecklin@redhat.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-net-kasan-gce 2018/12/14 00:31 net-next 95302c39 fe7127be .config log report syz C crecklin@redhat.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-net-kasan-gce 2018/12/12 11:13 net-next e1a76515 c3b10a5d .config log report syz C crecklin@redhat.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-net-kasan-gce 2018/12/06 00:51 net-next b255e500 764b42c4 .config log report syz C crecklin@redhat.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-net-kasan-gce 2018/12/05 12:58 net-next a74f0fa0 ac6c0578 .config log report syz C crecklin@redhat.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-net-kasan-gce 2018/12/05 02:30 net-next 55827458 f162ad97 .config log report syz C crecklin@redhat.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-net-kasan-gce 2018/12/01 16:37 net-next 97e6c858 5a581673 .config log report syz C crecklin@redhat.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-net-kasan-gce 2018/11/28 06:46 net-next 2c30aac5 4b6d14f2 .config log report syz C crecklin@redhat.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2018/12/15 12:11 linux-next d14b746c c9128939 .config log report syz C crecklin@redhat.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2018/12/13 21:30 linux-next ca40dc22 f3d9d594 .config log report syz C crecklin@redhat.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-selinux-root 2019/01/11 07:10 upstream 1bdbe227 80dde172 .config log report syz akpm@linux-foundation.org, cai@lca.pw, crecklin@redhat.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org