bisecting fixing commit since 12cd844a39ed16aa183a820a54fe6f9a0bb4cd14
building syzkaller on 749688d22abef3f3cb9a0480e15c19a3f2ed8e13
testing commit 12cd844a39ed16aa183a820a54fe6f9a0bb4cd14
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: de10f8b222f8e1612f9f65d16c10b657172f811aab63cac561117157ff83d84a
all runs: crashed: KASAN: use-after-free Read in xfrm6_tunnel_destroy
testing current HEAD 94cb1fed447ac8d328a8b50f9583df4ce70793e2
testing commit 94cb1fed447ac8d328a8b50f9583df4ce70793e2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d5cbc7fa2abe8dbe4ee3b38ddc3deebf99e3907fbef8da1986db403e80bde8cd
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m1.406730824s (build: 16m42.793527458s, test: 12m5.499389015s)
the crash still happens on HEAD
commit msg: Linux 4.14.242
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