bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
building syzkaller on 7e2b734bac96c22086fedd1b18135da06d5e4054
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6b689cfcb329feb9dfcf9735d9275ef967e294119df5655cd5aa86d676683bb4
run #0: crashed: SYZFAIL: failed to mkdtemp
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: crashed: SYZFAIL: failed to mkdtemp
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: crashed: SYZFAIL: failed to mkdir
run #13: crashed: SYZFAIL: failed to mkdir
run #14: crashed: SYZFAIL: failed to mkdir
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: crashed: SYZFAIL: failed to mkdir
reproducer seems to be flaky
testing current HEAD c01d4d1b885d96a7c8c27d629abeb918ca897dbe
testing commit c01d4d1b885d96a7c8c27d629abeb918ca897dbe
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 29dda7d4cfdcdfbdbaa0fcc908cec84bb32e4b4ba259dbe489027deb3e68dc19
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 30m25.588779675s (build: 21m51.450197748s, test: 7m41.052670936s)
the crash still happens on HEAD
commit msg: Linux 4.14.257
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci3 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: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout