syzbot


KASAN: use-after-free Read in lock_sock_nested
Status: upstream: reported C repro on 2019/07/26 21:27
Reported-by: syzbot+42fcf40d74b6030679ef@syzkaller.appspotmail.com
First crash: 384d, last: 3h29m
similar bugs (4):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 KASAN: use-after-free Read in lock_sock_nested C fix 71 1h18m 478d 0/1 upstream: reported C repro on 2019/04/24 06:28
upstream KASAN: use-after-free Read in lock_sock_nested C cause+fix 189 29m 590d 0/17 upstream: reported C repro on 2019/01/02 10:41
android-44 KASAN: use-after-free Read in lock_sock_nested C 40 720d 491d 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 722d 916d 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 2020/08/02 08:34 linux-4.19.y 13af6c74 8fe30d3e .config log report syz
ci2-linux-4-19 2020/07/03 07:56 linux-4.19.y 399849e4 8fe30d3e .config log report syz
ci2-linux-4-19 2020/06/03 07:19 linux-4.19.y 4707d8e5 8fe30d3e .config log report syz
ci2-linux-4-19 2020/05/04 06:42 linux-4.19.y fdc07232 8fe30d3e .config log report syz
ci2-linux-4-19 2020/03/15 09:53 linux-4.19.y 56920971 8fe30d3e .config log report syz
ci2-linux-4-19 2020/02/14 09:13 linux-4.19.y 35766839 8fe30d3e .config log report syz
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 (21):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-19 2020/08/10 02:49 linux-4.19.y 961f830a 70301872 .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/07 18:02 linux-4.19.y 961f830a 28ac5c9e .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/14 14:37 linux-4.19.y c14d30dc 5ce13532 .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/13 15:56 linux-4.19.y c14d30dc ee7cb8b6 .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/13 08:46 linux-4.19.y c14d30dc bc15f7db .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/13 08:13 linux-4.19.y c14d30dc bc15f7db .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/09 23:46 linux-4.19.y 961f830a 70301872 .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/09 09:07 linux-4.19.y 961f830a f721e4a0 .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/09 07:37 linux-4.19.y 961f830a f721e4a0 .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/08 15:40 linux-4.19.y 961f830a 01975a06 .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/08 05:07 linux-4.19.y 961f830a ff51e522 .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/07 21:04 linux-4.19.y 961f830a 28ac5c9e .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/07 08:07 linux-4.19.y c076c79e cb436c69 .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/07 05:37 linux-4.19.y c076c79e cb436c69 .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/07 04:09 linux-4.19.y c076c79e cb436c69 .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/06 05:42 linux-4.19.y c076c79e 0487ea6f .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/03 15:15 linux-4.19.y 13af6c74 96dd3623 .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/08/03 10:03 linux-4.19.y 13af6c74 96dd3623 .config log report syz davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
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
ci2-linux-4-19 2020/08/12 09:56 linux-4.19.y c14d30dc bb3e5fe6 .config log report davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-19 2020/04/04 06:02 linux-4.19.y dda0e292 ef26b610 .config log report davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org