bisecting fixing commit since c196b3a9c83ae3491280b739d231d02b3cb9d041 building syzkaller on 51a9082e064119316893e12187cab2843283ed4d testing commit c196b3a9c83ae3491280b739d231d02b3cb9d041 with gcc (GCC) 8.4.1 20210217 kernel signature: dc1aa4e7dc4defb7006716372b0d3cce714b7177e8c39f7f70c54ab2605155db all runs: crashed: KASAN: global-out-of-bounds Read in soft_cursor testing current HEAD 4e68c9b0763ff55eaa69d6e519f07515f1c9037b testing commit 4e68c9b0763ff55eaa69d6e519f07515f1c9037b with gcc (GCC) 8.4.1 20210217 kernel signature: ac14bc69f872f316bf3e4e33ae9ac4f6c29313a3d1d733ed3a4e07cd8eb73640 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 27m0.029375687s (build: 19m32.194979979s, test: 6m39.617504423s) the crash still happens on HEAD commit msg: Linux 4.14.239 crash: unregister_netdevice: waiting for DEV to become free unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci3 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: hci2 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 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