bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207 building syzkaller on bc5434be1a615eca6d901c20b026712bd9697fd4 testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 067a5f2d53fd623acb4a196e13f5ade68657cd33141b0cef3cc972258d519380 all runs: crashed: SYZFAIL: output overflow testing current HEAD 756db2ba8bde4ead58ceb54e9cbc71f526f9a98f testing commit 756db2ba8bde4ead58ceb54e9cbc71f526f9a98f compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 7b75b2dd946c2053ffc452c4857519a6ad272305e77cae254fc5ba64310a8ee1 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 24m36.392337328s (build: 15m25.411660162s, test: 8m43.077907255s) the crash still happens on HEAD commit msg: Linux 4.14.249 crash: unregister_netdevice: waiting for DEV to become free can: request_module (can-proto-0) failed. can: request_module (can-proto-0) failed. unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout