bisecting fixing commit since 3242aa3a635c0958671ee1e4b0958dcc7c4e5c79
building syzkaller on e5b64d68915ed04952cef2f5dcb3f3ccbb7cfa57
testing commit 3242aa3a635c0958671ee1e4b0958dcc7c4e5c79 with gcc (GCC) 8.4.1 20210217
kernel signature: 88fecfb990ffa9afd0986e25e64fa2a01133014efb9c2633da4112e492f9c64e
run #0: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #1: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #2: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #3: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #4: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #5: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #6: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #7: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #8: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #9: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #10: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #11: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #12: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #13: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #14: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #15: crashed: SYZFAIL: netlink_send_ext: short netlink write
run #16: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #17: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #18: crashed: SYZFAIL: netlink_send_ext: netlink read failed
run #19: crashed: SYZFAIL: netlink_send_ext: netlink read failed
testing current HEAD ad8397a84e1e425e3f8221638cee2bfa237d9b2c
testing commit ad8397a84e1e425e3f8221638cee2bfa237d9b2c with gcc (GCC) 8.4.1 20210217
kernel signature: 6896ad26d8d0bebd9c6f2ee98bbd4357c3deae97ac2c5403790851cd3215382b
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m21.535854616s (build: 19m29.66914823s, test: 6m17.487095533s)
the crash still happens on HEAD
commit msg: Linux 4.14.234
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout