ci2 starts bisection 2023-01-27 09:18:39.744804884 +0000 UTC m=+329410.725388307 bisecting fixing commit since 2b79150141611d3c6e1b55d4e70f49602482f0b8 building syzkaller on 8bc4594f832068a30c0eff44d468311780057d1f ensuring issue is reproducible on original commit 2b79150141611d3c6e1b55d4e70f49602482f0b8 testing commit 2b79150141611d3c6e1b55d4e70f49602482f0b8 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: aeadce62fba57f723db2c79a1b93d58e71f4e79b7acdf790f9cffbf8f29eda64 run #0: crashed: general protection fault in __tcf_idr_release 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: KASAN: stack-out-of-bounds Read in tcf_action_destroy run #5: crashed: general protection fault in __tcf_idr_release run #6: crashed: KASAN: out-of-bounds Read in tcf_action_destroy run #7: crashed: KASAN: stack-out-of-bounds Read in tcf_action_destroy run #8: crashed: general protection fault in __tcf_idr_release run #9: crashed: general protection fault in __tcf_idr_release run #10: crashed: KASAN: stack-out-of-bounds Read in tcf_action_destroy run #11: crashed: KASAN: stack-out-of-bounds Read in tcf_action_destroy run #12: crashed: general protection fault in __tcf_idr_release run #13: crashed: KASAN: stack-out-of-bounds Read in tcf_action_destroy run #14: crashed: general protection fault in __tcf_idr_release run #15: crashed: general protection fault in __tcf_idr_release run #16: crashed: general protection fault in __tcf_idr_release run #17: crashed: general protection fault in __tcf_idr_release run #18: crashed: BUG: unable to handle kernel paging request in tcf_action_destroy run #19: crashed: general protection fault in __tcf_idr_release testing current HEAD 3949d16100044eeb6723eca03b1038b469fb9ae8 testing commit 3949d16100044eeb6723eca03b1038b469fb9ae8 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 00e438a61be0f46f07ac633ce5626dabc0daad1fe4d125d0af6f18f8760589c2 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 49m49.198283164s (build: 27m50.832433008s, test: 10m26.74331167s) the crash still happens on HEAD commit msg: Linux 4.14.304 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci0 command 0x0409 tx timeout syz-executor.0 (7296) used greatest stack depth: 24376 bytes left can: request_module (can-proto-0) failed. can: request_module (can-proto-0) failed. can: request_module (can-proto-0) failed. unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout