bisecting fixing commit since 01364dad1d4577e27a57729d41053f661bb8a5b9
building syzkaller on 78267cec1aaa5e066d66e6a6c76fea1753e51b46
testing commit 01364dad1d4577e27a57729d41053f661bb8a5b9
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d69a45eb20a9149d70e17449db809322275db6d04e26865d89be1c30e54435ee
all runs: crashed: possible deadlock in kcm_ioctl
testing current HEAD 66722c42ec916e92cadda46316f8f6e3fdcaedc6
testing commit 66722c42ec916e92cadda46316f8f6e3fdcaedc6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 28a7c7b9a32160288df3da8ae6325c5098618b9fa157a4e98905f1ff105df348
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m29.163463576s (build: 22m39.485810332s, test: 6m41.810013396s)
the crash still happens on HEAD
commit msg: Linux 4.14.256
crash: unregister_netdevice: waiting for DEV to become free
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