bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67 building syzkaller on 5abc3f1ab298244473b613c289f1536e366fcf04 testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67 with gcc (GCC) 8.4.1 20210217 kernel signature: 7ba349855679ececd56be2e416f7d8b6652136017e4bd2f7998ca3039ed3f558 run #0: crashed: kernel BUG in f2fs_evict_inode run #1: crashed: kernel BUG in f2fs_evict_inode run #2: crashed: kernel BUG in f2fs_evict_inode run #3: crashed: kernel BUG in f2fs_evict_inode run #4: crashed: kernel BUG in f2fs_evict_inode run #5: crashed: kernel BUG in f2fs_evict_inode run #6: crashed: kernel BUG in f2fs_evict_inode run #7: crashed: kernel BUG in f2fs_evict_inode run #8: crashed: kernel BUG in f2fs_evict_inode run #9: crashed: kernel BUG in corrupted run #10: crashed: kernel BUG in f2fs_evict_inode run #11: crashed: kernel BUG in f2fs_evict_inode run #12: crashed: kernel BUG in f2fs_evict_inode run #13: crashed: kernel BUG in f2fs_evict_inode run #14: crashed: kernel BUG in f2fs_evict_inode run #15: crashed: kernel BUG in f2fs_evict_inode run #16: crashed: kernel BUG in f2fs_evict_inode run #17: crashed: kernel BUG in f2fs_evict_inode run #18: crashed: kernel BUG in f2fs_evict_inode run #19: crashed: kernel BUG in f2fs_evict_inode testing current HEAD cfb41ef9deb1e6572ac218ddfcec9567e5d1c101 testing commit cfb41ef9deb1e6572ac218ddfcec9567e5d1c101 with gcc (GCC) 8.4.1 20210217 kernel signature: 7341d9bc9e4795a7678338778460d5c0fa2cbb0ea7f0d2fdb5bcd2e428d21ae4 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 28m26.944873256s (build: 21m40.259484256s, test: 6m1.12539655s) the crash still happens on HEAD commit msg: Linux 4.14.237 crash: unregister_netdevice: waiting for DEV to become free unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout