ci2 starts bisection 2022-09-14 04:18:29.609320744 +0000 UTC m=+31953.658242980
bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on f54a5c0916af7d798b204eb70c484f154d69e0a3
testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a85221855a1a3e4e826f54db75b010e8fae1afb40ea2ea140ec9b4972ee89372
all runs: crashed: WARNING: suspicious RCU usage in tcp_disconnect
testing current HEAD 65640c873dcf9c9736c071807b371c487bc6377f
testing commit 65640c873dcf9c9736c071807b371c487bc6377f gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 8bc71b729451578cb694f48fbb404ff78d118935c90edb72172c55fbf8513aec
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m49.841415683s (build: 14m52.62830764s, test: 6m32.353254763s)
the crash still happens on HEAD
commit msg: Linux 4.14.292
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout