ci2 starts bisection 2022-10-14 23:57:18.857452839 +0000 UTC m=+9717.092064346 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: 86a6e3f2b36f75a70b307da2045c2594a2af3110b4f8bf6a41a785e6866896b3 all runs: crashed: WARNING: suspicious RCU usage in tcp_disconnect testing current HEAD 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 testing commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 77fdc295b934addc04435d4d99fbfe639b2108c5e3f565d2466b302d17be69ad all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 21m52.802432041s (build: 14m19.109642638s, test: 7m8.771604666s) the crash still happens on HEAD commit msg: Linux 4.14.295 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout