ci2 starts bisection 2022-08-11 06:54:39.360409077 +0000 UTC m=+37408.533689869 bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207 building syzkaller on ad61f3714f0a5e8f7ce062d54f310df1f5e0d351 testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 523c8d395ae5f1703e75c754c5acb535b40e5a8e14432ce778f1cd745fb117b6 run #0: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #1: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #2: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #3: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #4: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #5: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #6: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #7: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #8: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #9: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #10: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #11: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #12: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #13: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #14: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #15: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #16: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #17: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #18: crashed: KASAN: use-after-free Read in nfc_llcp_sock_unlink run #19: OK testing current HEAD b641242202ed8c52030f7b6d8cf15886d3c4fc82 testing commit b641242202ed8c52030f7b6d8cf15886d3c4fc82 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 74e2c99ec788281cf8646d4c5d6df3b2615ddcaf41b56334c0e76f81ed13f04e all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 33m35.842255134s (build: 18m16.231899806s, test: 14m50.883433685s) the crash still happens on HEAD commit msg: Linux 4.14.290 crash: unregister_netdevice: waiting for DEV to become free IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready 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: hci0 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout