bisecting fixing commit since c196b3a9c83ae3491280b739d231d02b3cb9d041 building syzkaller on 51a9082e064119316893e12187cab2843283ed4d testing commit c196b3a9c83ae3491280b739d231d02b3cb9d041 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: c4e5a36936da54f72f3a60d6a38bb748e09df3d8bc4f8cf4b3e385d52310429c all runs: crashed: KASAN: global-out-of-bounds Read in soft_cursor testing current HEAD 46914f96189be290174e378c6bf9ccadfdb9ca1e testing commit 46914f96189be290174e378c6bf9ccadfdb9ca1e compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: e959460a9b2112cbf66ffe488044b7b278d938b4fd539b96971537b3c23aeb9e all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 25m15.340430726s (build: 18m11.253021035s, test: 6m34.314606555s) the crash still happens on HEAD commit msg: Linux 4.14.243 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout