ci2 starts bisection 2022-08-09 09:34:34.618609908 +0000 UTC m=+67049.349684439 bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207 building syzkaller on 06c27ff56b460864b5195bc0668d1d582df3cbf8 testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 7f1a62c17acad0e63d0e014eba024a39527e5fe58041f0556d45749302fa4db4 run #0: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #1: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #2: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #3: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #4: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #5: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #6: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #7: OK run #8: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #9: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #10: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #11: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #12: OK run #13: OK run #14: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #15: OK run #16: OK run #17: crashed: KASAN: use-after-free Read in ip_check_mc_rcu run #18: OK run #19: OK testing current HEAD b641242202ed8c52030f7b6d8cf15886d3c4fc82 testing commit b641242202ed8c52030f7b6d8cf15886d3c4fc82 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 8534d4ef68d34f2c89814b40507a132067c96e1d4009fff93657c73fbca2bb8d all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 30m40.840247206s (build: 15m6.966461755s, test: 14m55.601992824s) the crash still happens on HEAD commit msg: Linux 4.14.290 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci1 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: hci1 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci1 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: hci1 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout