syzbot


KASAN: use-after-free Read in lock_sock_nested
Status: upstream: reported syz repro on 2019/01/02 10:41
Reported-by: syzbot+500c69d1e21d970e461b@syzkaller.appspotmail.com
First crash: 197d, last: 46d

Bisection: the bug happens on the oldest tested release (bisect log)
Tree: linux-next
Crash: inconsistent lock state in nr_find_socket (log)
Repro: syz .config
similar bugs (3):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 KASAN: use-after-free Read in lock_sock_nested syz 11 6d14h 85d 0/1 upstream: reported syz repro on 2019/04/24 06:28
android-44 KASAN: use-after-free Read in lock_sock_nested C 40 327d 98d 0/2 public: reported C repro on 2019/04/11 08:44
android-49 KASAN: use-after-free Read in lock_sock_nested C 39 329d 522d 0/3 closed as invalid on 2019/03/07 05:41

Sample crash report:

All crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-linux-next-kasan-gce-root 2019/02/15 05:24 linux-next b3418f8b 76dd003f .config log report syz davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-kasan-gce-selinux-root 2019/01/01 20:21 upstream e1ef035d 3d85f48c .config log report davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-kasan-gce-smack-root 2019/04/24 05:04 upstream 7142eaa5 4d3d6a50 .config log report davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-kasan-gce-selinux-root 2019/02/15 08:35 upstream cb5b020a 76dd003f .config log report davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-net-this-kasan-gce 2019/06/02 06:42 net e8d67fa5 53c81ea5 .config log report davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-net-kasan-gce 2019/03/16 10:18 net-next 3b319ee2 bab43553 .config log report davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org