syzbot


general protection fault in put_pid
Status: upstream: reported syz repro on 2018/12/11 20:23
Reported-by: syzbot+1145ec2e23165570c3ac@syzkaller.appspotmail.com
First crash: 345d, last: 276d
Bisection: introduced by (bisect log):

commit b9b8a41adeff5666b402996020b698504c927353
Author: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon Aug 20 08:25:33 2018 +0000

  btrfs: use after free in btrfs_quota_enable

Tree: upstream
Crash: kernel panic: corrupted stack end in wb_workfn (log)
Repro: syz .config
Bisection: fixed by (bisect log):

commit a8e911d13540487942d53137c156bd7707f66e5d
Author: Qian Cai <cai@lca.pw>
Date: Fri Feb 1 22:20:20 2019 +0000

  x86_64: increase stack size for KASAN_EXTRA

Tree: upstream

Sample crash report:

All crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-selinux-root 2018/12/11 18:50 upstream f5d58277 7795ae03 .config log report syz akpm@linux-foundation.org, dhowells@redhat.com, ebiederm@xmission.com, ktsanaktsidis@zendesk.com, linux-kernel@vger.kernel.org, mhocko@suse.com, rppt@linux.vnet.ibm.com, sfr@canb.auug.org.au, willy@infradead.org
ci-upstream-kasan-gce 2018/10/13 10:09 upstream bab5c80b caf12900 .config log report akpm@linux-foundation.org, dhowells@redhat.com, ebiederm@xmission.com, gs051095@gmail.com, linux-kernel@vger.kernel.org, mawilcox@microsoft.com, oleg@redhat.com, riel@redhat.com, rppt@linux.vnet.ibm.com
ci-upstream-kasan-gce 2018/12/21 10:18 upstream 9097a058 2b497001 .config log report akpm@linux-foundation.org, dhowells@redhat.com, ebiederm@xmission.com, jlayton@kernel.org, ktsanaktsidis@zendesk.com, linux-kernel@vger.kernel.org, mhocko@suse.com, rppt@linux.vnet.ibm.com, willy@infradead.org