syzbot


KASAN: use-after-free Read in hci_chan_del
Status: upstream: reported C repro on 2020/08/03 13:37
Reported-by: syzbot+985dfa65ff9ce7b7cd31@syzkaller.appspotmail.com
First crash: 81d, last: 25d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 KASAN: use-after-free Read in hci_chan_del C 14 1d21h 82d 0/1 upstream: reported C repro on 2020/08/03 02:40
upstream KASAN: use-after-free Read in hci_chan_del C done 74 11d 82d 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-4-14 2020/09/09 07:12 linux-4.14.y 2f166cdc 70301872 .config log report syz C
Crashes (14):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci2-linux-4-14 2020/09/28 15:30 linux-4.14.y cbfa1702 6bfdbe89 .config log report syz C davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/10 05:33 linux-4.14.y 14b58326 70301872 .config log report syz C davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/08 08:14 linux-4.14.y 14b58326 ff51e522 .config log report syz C davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/07 04:15 linux-4.14.y ca4f2c56 cb436c69 .config log report syz C davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/06 18:29 linux-4.14.y ca4f2c56 4ca1c0ea .config log report syz C davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/06 08:14 linux-4.14.y ca4f2c56 0487ea6f .config log report syz C davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/10 05:02 linux-4.14.y 14b58326 70301872 .config log report syz davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/09 05:25 linux-4.14.y 14b58326 f721e4a0 .config log report syz davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/06 17:37 linux-4.14.y ca4f2c56 4ca1c0ea .config log report syz davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/06 14:38 linux-4.14.y ca4f2c56 4ca1c0ea .config log report syz davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/06 13:40 linux-4.14.y ca4f2c56 4ca1c0ea .config log report syz davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/04 08:45 linux-4.14.y 7f2c5eb4 96dd3623 .config log report syz davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/03 19:26 linux-4.14.y 7f2c5eb4 96dd3623 .config log report syz davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/08/03 13:37 linux-4.14.y 7f2c5eb4 96dd3623 .config log report syz davem@davemloft.net, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org