bisecting fixing commit since 2b79150141611d3c6e1b55d4e70f49602482f0b8
building syzkaller on 8bc4594f832068a30c0eff44d468311780057d1f
testing commit 2b79150141611d3c6e1b55d4e70f49602482f0b8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 452c7d81fd58633676a7673703bd952744c3aa83fb92b9873ba26efa7a4ced7a
run #0: crashed: BUG: unable to handle kernel paging request in tcf_action_destroy
run #1: crashed: general protection fault in __tcf_idr_release
run #2: crashed: BUG: unable to handle kernel paging request in tcf_action_destroy
run #3: crashed: general protection fault in __tcf_idr_release
run #4: crashed: general protection fault in __tcf_idr_release
run #5: crashed: general protection fault in __tcf_idr_release
run #6: crashed: general protection fault in __tcf_idr_release
run #7: crashed: general protection fault in __tcf_idr_release
run #8: crashed: general protection fault in __tcf_idr_release
run #9: crashed: general protection fault in __tcf_idr_release
run #10: crashed: general protection fault in __tcf_idr_release
run #11: crashed: general protection fault in __tcf_idr_release
run #12: crashed: general protection fault in __tcf_idr_release
run #13: crashed: general protection fault in __tcf_idr_release
run #14: crashed: KASAN: stack-out-of-bounds Read in tcf_action_destroy
run #15: crashed: general protection fault in __tcf_idr_release
run #16: crashed: BUG: unable to handle kernel paging request in tcf_action_destroy
run #17: crashed: general protection fault in __tcf_idr_release
run #18: crashed: KASAN: stack-out-of-bounds Read in tcf_action_destroy
run #19: crashed: KASAN: stack-out-of-bounds Read in tcf_action_destroy
testing current HEAD dffb5c6ff09c51ed585e3e7665143df103867fc8
testing commit dffb5c6ff09c51ed585e3e7665143df103867fc8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 22c67e194e5ca4b8add97bdd4a62d94df4f408b9c344c67f78b1c9784a8a98fd
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m56.528252551s (build: 15m8.865433882s, test: 6m20.671197169s)
the crash still happens on HEAD
commit msg: Linux 4.14.280
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 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: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout