bisecting fixing commit since 2f166cdcf8a92fcf85524f2b5526cb28e16f0a60
building syzkaller on abf9ba4fc75d9b29af15625d44dcfc1360fad3b7
testing commit 2f166cdcf8a92fcf85524f2b5526cb28e16f0a60
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b9a9f0a265550aee44050f2489c3d85dfdfb8b718141e5425feba30478307af9
all runs: crashed: general protection fault in skb_release_data
testing current HEAD 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
testing commit 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f1bf667e6849902713abee974190d689e0bf69d6afd9feb89746fb34fa51b652
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 23m48.081785337s (build: 16m56.733412359s, test: 6m18.234963389s)
the crash still happens on HEAD
commit msg: Linux 4.14.284
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout