bisecting fixing commit since 12cd844a39ed16aa183a820a54fe6f9a0bb4cd14
building syzkaller on 749688d22abef3f3cb9a0480e15c19a3f2ed8e13
testing commit 12cd844a39ed16aa183a820a54fe6f9a0bb4cd14
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9c3c1a6c64644135f913ce23748d60c59e9310c05512c3024f2eaf821a4af5e8
all runs: crashed: KASAN: use-after-free Read in xfrm6_tunnel_destroy
testing current HEAD b86ee2b7ae42b6b37a918b66236608e2cc325f59
testing commit b86ee2b7ae42b6b37a918b66236608e2cc325f59
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: bdec72d0a6f9d0c60bb07c01cce3ee0787e6e9a87dbcc6c634780b072d9a6502
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 38m21.992427264s (build: 24m35.805999459s, test: 12m33.051881951s)
the crash still happens on HEAD
commit msg: Linux 4.14.264
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