bisecting fixing commit since 2f166cdcf8a92fcf85524f2b5526cb28e16f0a60
building syzkaller on abf9ba4fc75d9b29af15625d44dcfc1360fad3b7
testing commit 2f166cdcf8a92fcf85524f2b5526cb28e16f0a60
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 468e93cc9dd48829b54cdf461607f68f8f4bcfecc4af09705482c023bbf76a6b
run #0: crashed: general protection fault in skb_release_data
run #1: crashed: general protection fault in skb_release_data
run #2: crashed: BUG: Bad page state
run #3: crashed: general protection fault in skb_release_data
run #4: crashed: general protection fault in skb_release_data
run #5: crashed: general protection fault in skb_release_data
run #6: crashed: general protection fault in skb_release_data
run #7: crashed: general protection fault in skb_release_data
run #8: crashed: general protection fault in skb_release_data
run #9: crashed: general protection fault in skb_release_data
run #10: crashed: general protection fault in skb_release_data
run #11: crashed: general protection fault in skb_release_data
run #12: crashed: general protection fault in skb_release_data
run #13: crashed: kernel BUG in validate_xmit_skb
run #14: crashed: general protection fault in skb_release_data
run #15: crashed: general protection fault in skb_release_data
run #16: crashed: general protection fault in skb_release_data
run #17: crashed: general protection fault in skb_release_data
run #18: crashed: general protection fault in skb_release_data
run #19: crashed: general protection fault in skb_release_data
testing current HEAD 964f3712e6a7447d9d3203f2be3f6c50e78ea179
testing commit 964f3712e6a7447d9d3203f2be3f6c50e78ea179
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0c4adfb0e692b66dde86a42c55f0151a40a74ac839af41d1b359aa6182bb348e
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m1.758345363s (build: 22m48.416863476s, test: 6m33.498500242s)
the crash still happens on HEAD
commit msg: Linux 4.14.240
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout