ci2 starts bisection 2022-11-08 13:50:35.597841499 +0000 UTC m=+4598.891403504
bisecting fixing commit since 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6
building syzkaller on aea5da898f473385f3b66c94f8aa49ca9a1c9744
ensuring issue is reproducible on original commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6

testing commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b3498db7946a3deca09e6ec841e19787b799a7b902bcbb4768bb49a6a8fcdc5a
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD a901bb6c7db7e6aef864ee2ba62a2a02c1421e48
testing commit a901bb6c7db7e6aef864ee2ba62a2a02c1421e48 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: fe478064c3aa4114c57e6ea12b6231fafb3fc5cc33702178044f1896ebfee090
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m58.499224183s (build: 21m0.062296703s, test: 6m19.682326136s)
the crash still happens on HEAD
commit msg: Linux 4.14.298
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout