ci2 starts bisection 2023-02-28 11:47:44.515378656 +0000 UTC m=+52351.587339111 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: 96f1cdcb5caab0d8cdbce754eb61cc178a3ba7796691aa454b40a1960fdd1a15 run #0: crashed: general protection fault in __tcf_idr_release run #1: crashed: KASAN: stack-out-of-bounds Read in tcf_action_destroy run #2: crashed: KASAN: stack-out-of-bounds Read in tcf_action_destroy run #3: crashed: BUG: unable to handle kernel paging request in tcf_action_destroy run #4: crashed: BUG: unable to handle kernel paging request in tcf_action_destroy 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: BUG: unable to handle kernel paging request in tcf_action_destroy run #11: crashed: BUG: spinlock bad magic in __tcf_idr_release run #12: crashed: BUG: unable to handle kernel paging request in tcf_action_destroy run #13: crashed: general protection fault in __tcf_idr_release run #14: crashed: general protection fault in __tcf_idr_release run #15: crashed: general protection fault in __tcf_idr_release run #16: crashed: KASAN: stack-out-of-bounds Read in tcf_action_destroy 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 7878a41b6cc1ada4bb804eee96beb2c54322806c testing commit 7878a41b6cc1ada4bb804eee96beb2c54322806c gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: e611260444f28bda833dbd8b32a4165d0e0674aa2fc0304ac13cbb1c06d46ebb all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 26m46.687264514s (build: 16m24.794270606s, test: 7m41.678787443s) the crash still happens on HEAD commit msg: Linux 4.14.307 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci1 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: hci1 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci1 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: hci1 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout