bisecting fixing commit since 958e517f4e16952e9a2e2d58fd32d28ae4e23dda
building syzkaller on 6a81331a1d4c744da9204d02ec88d558f7eea9c9
testing commit 958e517f4e16952e9a2e2d58fd32d28ae4e23dda
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ac17af961fb3bec06c468915707b124324be15599779e8c9f50c38df204d7bb3
run #0: crashed: KASAN: use-after-free Read in __queue_work
run #1: crashed: general protection fault in __queue_work
run #2: crashed: WARNING: ODEBUG bug in bt_host_release
run #3: crashed: WARNING: ODEBUG bug in bt_host_release
run #4: crashed: KASAN: use-after-free Read in __queue_work
run #5: crashed: KASAN: use-after-free Read in __queue_work
run #6: OK
run #7: OK
run #8: OK
run #9: crashed: general protection fault in __queue_work
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
reproducer seems to be flaky
testing current HEAD 1048779a1d7dcf0b5c150188decafa21c19821e4
testing commit 1048779a1d7dcf0b5c150188decafa21c19821e4
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: eed07a3226f48a9db8194baca3a9c74512f0d50534de467959bf1548d06710fc
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 33m57.464268209s (build: 20m42.596168358s, test: 12m39.36622652s)
the crash still happens on HEAD
commit msg: Linux 4.14.287
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci2 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: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout