syzbot


KASAN: use-after-free Read in lock_sock_nested
Status: upstream: reported syz repro on 2019/07/26 21:27
Reported-by: syzbot+42fcf40d74b6030679ef@syzkaller.appspotmail.com
First crash: 177d, last: 4d21h
similar bugs (4):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 KASAN: use-after-free Read in lock_sock_nested syz 47 20d 270d 0/1 upstream: reported syz repro on 2019/04/24 06:28
upstream KASAN: use-after-free Read in lock_sock_nested C cause+fix 22 81d 382d 0/16 upstream: reported C repro on 2019/01/02 10:41
android-44 KASAN: use-after-free Read in lock_sock_nested C 40 513d 283d 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 515d 708d 0/3 closed as invalid on 2019/03/07 05:41

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci2-linux-4-19 2020/01/15 08:34 linux-4.19.y db5b9190 8fe30d3e .config log report syz
ci2-linux-4-19 2019/12/16 07:56 linux-4.19.y 312017a4 8fe30d3e .config log report syz
Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-19 2019/07/26 20:26 linux-4.19.y 7250956f 8fe30d3e .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