bisecting fixing commit since 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae
building syzkaller on 04201c0669446145fd9c347c5538da0ca13ff29b
testing commit 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae with gcc (GCC) 8.4.1 20210217
kernel signature: ca6bcc2d40347e6d01bbb315f0d39270f5b115f0400bab8ea14b199c3107d7e6
run #0: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #1: crashed: KASAN: slab-out-of-bounds Read in ipvlan_queue_xmit
run #2: crashed: KASAN: slab-out-of-bounds Read in ipvlan_queue_xmit
run #3: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #4: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #5: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #6: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #7: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #8: crashed: KASAN: slab-out-of-bounds Read in ipvlan_queue_xmit
run #9: crashed: KASAN: slab-out-of-bounds Read in ipvlan_queue_xmit
run #10: crashed: KASAN: slab-out-of-bounds Read in ipvlan_queue_xmit
run #11: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #12: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #13: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #14: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #15: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #16: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #17: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #18: crashed: KASAN: use-after-free Read in ipvlan_queue_xmit
run #19: crashed: KASAN: slab-out-of-bounds Read in ipvlan_queue_xmit
testing current HEAD 96afcb20f36f07683aaa342e592ea8ec76fd1fa6
testing commit 96afcb20f36f07683aaa342e592ea8ec76fd1fa6 with gcc (GCC) 8.4.1 20210217
kernel signature: 6e1f51457c0f68713678566f7e27e53c66c7776326d28e36e3820c1c16ec4440
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m49.523054675s (build: 19m30.63803449s, test: 6m42.489591019s)
the crash still happens on HEAD
commit msg: Linux 4.14.233
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout