ci2 starts bisection 2022-11-14 09:42:13.031321844 +0000 UTC m=+60295.883290477 bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207 building syzkaller on f54a5c0916af7d798b204eb70c484f154d69e0a3 ensuring issue is reproducible on original commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: e61542ad5cd3ea7c104c40223b87527d1cd563b3432bbdd83c6a1b50f2c20dc4 all runs: crashed: WARNING: suspicious RCU usage in tcp_disconnect testing current HEAD e911713e40ca73142b455ccfde2d7c0b0984c008 testing commit e911713e40ca73142b455ccfde2d7c0b0984c008 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 50d0b2a731c64583b8f1db262e642def9625988db89851b6928c33cb6a2a8f56 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 20m45.342934976s (build: 13m37.06838503s, test: 6m41.372225007s) the crash still happens on HEAD commit msg: Linux 4.14.299 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout