bisecting fixing commit since c196b3a9c83ae3491280b739d231d02b3cb9d041 building syzkaller on 51a9082e064119316893e12187cab2843283ed4d testing commit c196b3a9c83ae3491280b739d231d02b3cb9d041 with gcc (GCC) 8.4.1 20210217 kernel signature: b8ca90608b0cb182ab833784497c4c5abe3e171285dd03d83a5801711be1559d all runs: crashed: KASAN: global-out-of-bounds Read in soft_cursor testing current HEAD 3d3abdc8ebd3c3082e4398fc73ceb4c852b66e85 testing commit 3d3abdc8ebd3c3082e4398fc73ceb4c852b66e85 with gcc (GCC) 8.4.1 20210217 kernel signature: be2c3f2bcbd362133d91b410885cb88debe50bdb3cd7e905947890efafce2388 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 21m41.96515922s (build: 15m4.016918192s, test: 6m10.831072277s) the crash still happens on HEAD commit msg: Linux 4.14.236 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout