syzbot


KASAN: use-after-free Read in hci_chan_del
Status: upstream: reported C repro on 2020/08/03 02:40
Reported-by: syzbot+2bb1968c6e2f8782c289@syzkaller.appspotmail.com
First crash: 78d, last: 28d
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 KASAN: use-after-free Read in hci_chan_del C 14 22d 78d 0/1 upstream: reported C repro on 2020/08/03 13:37
upstream KASAN: use-after-free Read in hci_chan_del C cause 74 8d09h 79d 0/17 upstream: reported C repro on 2020/08/02 20:45

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info
ci2-linux-4-19 2020/09/07 19:22 linux-4.19.y c37da90e 01975a06 .config log report syz C
Crashes (14):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci2-linux-4-19 2020/08/08 12:47 linux-4.19.y 961f830a 01975a06 .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 18:48 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 2020/08/06 18:35 linux-4.19.y c076c79e 4ca1c0ea .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 2020/08/06 01:57 linux-4.19.y c076c79e 0487ea6f .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 2020/08/05 14:27 linux-4.19.y c076c79e b7129355 .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 2020/08/05 04:34 linux-4.19.y 13af6c74 02034dac .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 2020/08/05 13:24 linux-4.19.y c076c79e b7129355 .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 2020/08/05 11:53 linux-4.19.y c076c79e b7129355 .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 2020/08/05 08:35 linux-4.19.y 13af6c74 02034dac .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 19:38 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 12:29 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 07:57 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 02:40 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 2020/09/22 08:01 linux-4.19.y 015e94d0 9e1fa68e .config log report info davem@davemloft.net, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org