bisecting fixing commit since 01fd1694b93c92ad54fa684dac9c8068ecda8288
building syzkaller on db7c31ca79638f50cbb920add433b46cd66e9890
testing commit 01fd1694b93c92ad54fa684dac9c8068ecda8288
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: bb5203aa2018cc66071f7327e9957c067d76b8139d1f40498d4f83e0ff13da0f
all runs: crashed: general protection fault in scatterwalk_copychunks
testing current HEAD 4ba8e26127c393c32776dff6d79c5b82de6dc542
testing commit 4ba8e26127c393c32776dff6d79c5b82de6dc542
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: cc9a5ef13c5f23128b762b18bec959cc5ed1c48d4a913da5d3c314335dcbf1d9
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m12.313925259s (build: 19m52.098594845s, test: 6m30.450056208s)
the crash still happens on HEAD
commit msg: Linux 4.14.262
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1