bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
building syzkaller on 7e2b734bac96c22086fedd1b18135da06d5e4054
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 855077d5af229157f45d5a70e835261b8ba13266ece5cc46536ce0ad8ca2a449
run #0: OK
run #1: OK
run #2: OK
run #3: OK
run #4: crashed: SYZFAIL: failed to mkdtemp
run #5: OK
run #6: OK
run #7: crashed: SYZFAIL: failed to mkdtemp
run #8: crashed: SYZFAIL: failed to mkdtemp
run #9: OK
run #10: crashed: SYZFAIL: failed to mkdtemp
run #11: crashed: SYZFAIL: failed to mkdtemp
run #12: OK
run #13: crashed: SYZFAIL: failed to mkdtemp
run #14: crashed: SYZFAIL: failed to mkdtemp
run #15: crashed: SYZFAIL: failed to mkdir
run #16: OK
run #17: crashed: SYZFAIL: failed to mkdir
run #18: crashed: SYZFAIL: failed to mkdir
run #19: OK
testing current HEAD bfdef05c8da46b022172695aa493cff7ac667a4b
testing commit bfdef05c8da46b022172695aa493cff7ac667a4b
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 83b906b8c14bf0c9730161bd5659216feaca958d33bb01291b4403a049cfe659
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m30.659121659s (build: 20m3.312848043s, test: 6m52.973018465s)
the crash still happens on HEAD
commit msg: Linux 4.14.261
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout