bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207 building syzkaller on bc5434be1a615eca6d901c20b026712bd9697fd4 testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 0e84a69e73cacde58615bec9f83145f91ff5be30079c4b20f527c798bee24185 all runs: crashed: SYZFAIL: output overflow testing current HEAD e853993d29aa42ac4b3c2912db975a0a66d7a5b0 testing commit e853993d29aa42ac4b3c2912db975a0a66d7a5b0 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 0b8eb440e46ab89e267b2886fd2047fbabb1f26a146d48b94c772de1f6f0afea all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 26m13.262983537s (build: 17m12.172346333s, test: 8m25.022155129s) the crash still happens on HEAD commit msg: Linux 4.14.269 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: hci5 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout