ci2 starts bisection 2022-10-28 19:54:53.449630154 +0000 UTC m=+31011.524321754
bisecting fixing commit since 4edbf74132a4c9b78dc2ee61d31abef15200a781
building syzkaller on 0042f2b4c00ce1ceeaa44a0147909fe3a6f86c5c
ensuring issue is reproducible on original commit 4edbf74132a4c9b78dc2ee61d31abef15200a781

testing commit 4edbf74132a4c9b78dc2ee61d31abef15200a781 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a99fb8bb5b0d2277f052a69d2804d54bf579e7e811a81eceebe86da82b93d321
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 41f36d7859a79e11a13ef63ced8ae8cc31537ba2
testing commit 41f36d7859a79e11a13ef63ced8ae8cc31537ba2 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 85223f83672a937139caf69c7dab95ade1c3e37c1f512e4e3045edcfcd893c83
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m49.383870628s (build: 22m22.279077967s, test: 6m47.325147901s)
the crash still happens on HEAD
commit msg: Linux 4.14.296
crash: unregister_netdevice: waiting for DEV to become free
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
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