bisecting fixing commit since 2b79150141611d3c6e1b55d4e70f49602482f0b8
building syzkaller on cba33199be220cbf61f7c0c8223d88a25a913d6f
testing commit 2b79150141611d3c6e1b55d4e70f49602482f0b8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 534fbc8a37759da96ca2e0a72cb3c6787d475503cc3a5e666295fd3c64d3cb39
all runs: crashed: WARNING in __rate_control_send_low
testing current HEAD 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
testing commit 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7975ab10f86f19d54785336e1408628c6fd070d62943655b77803c53d1ec098f
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m48.500049371s (build: 19m34.792459803s, test: 6m40.031379001s)
the crash still happens on HEAD
commit msg: Linux 4.14.284
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout