SYZFAIL: child stopped status=127 (errno 9: Bad file descriptor) FreeBSD/amd64 (ci-freebsd-main-2.us-central1-b.c.syzkaller.inktrace write failed, errno 27, tracing stopped for pid 763 ternal) (ttyu0)ktrace write failed, errno 27, tracing stopped for pid 759 login: ktrace write failed, errno 27, tracing stopped for pid 767 ktrace write failed, errno 27, tracing stopped for pid 1 ktrace write failed, errno 27, tracing stopped for pid 766 ktrace write failed, errno 27, tracing stopped for pid 764 ktrace write failed, errno 27, tracing stopped for pid 884 ktrace write failed, errno 27, tracing stopped for pid 882 pid 884 (syz-executor), tap1: tun/tap protocol violation, non-controlling process closed last. ktrace write failed, errno 27, tracing stopped for pid 881 ktrace write failed, errno 27, tracing stopped for pid 866 ifaddr cache = 0xfffffe005817d900 is deleted ktrace write failed, errno 27, tracing stopped for pid 880 if_delmulti_locked: detaching ifnet instance 0xfffffe005858f000 tap1: link state changed to DOWN if_delmulti_locked: detaching ifnet instance 0xfffffe005858f000 if_delmulti_locked: detaching ifnet instance 0xfffffe005858f000 ktrace write failed, errno 27, tracing stopped for pid 879 ktrace write failed, errno 27, tracing stopped for pid 878 ktrace write failed, errno 27, tracing stopped for pid 877 ktrace write failed, errno 27, tracing stopped for pid 876 ktrace write failed, errno 27, tracing stopped for pid 875 ktrace write failed, errno 27, tracing stopped for pid 874 ktrace write failed, errno 27, tracing stopped for pid 780 ktrace write failed, errno 27, tracing stopped for pid 828 ktrace write failed, errno 27, tracing stopped for pid 761 pid 983 (syz-executor), tap4: tun/tap protocol violation, non-controlling process closed last. ifaddr cache = 0xfffffe005817ca80 is deleted tap4: link state changed to DOWN if_delmulti_locked: detaching ifnet instance 0xfffffe0058156000 ktrace write failed, errno 27, tracing stopped for pid 682 if_delmulti_locked: detaching ifnet instance 0xfffffe0058156000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058156000 ktrace write failed, errno 27, tracing stopped for pid 817 ifaddr cache = 0xfffffe005863fa80 is deleted tap3: link state changed to DOWN if_delmulti_locked: detaching ifnet instance 0xfffffe005858e000 if_delmulti_locked: detaching ifnet instance 0xfffffe005858e000 if_delmulti_locked: detaching ifnet instance 0xfffffe005858e000 ktrace write failed, errno 27, tracing stopped for pid 815 ifaddr cache = 0xfffffe005863fc00 is deleted ktrace write failed, errno 27, tracing stopped for pid 772 tap0: link state changed to DOWN if_delmulti_locked: detaching ifnet instance 0xfffffe005858f800 if_delmulti_locked: detaching ifnet instance 0xfffffe005858f800 Expensive callout(9) function: 0xffffffff81aafd80(0) 0.006021041 s if_delmulti_locked: detaching ifnet instance 0xfffffe005858f800 ktrace write failed, errno 27, tracing stopped for pid 737 pid 982 (syz-executor), tap2: tun/tap protocol violation, non-controlling process closed last. ifaddr cache = 0xfffffe005863f900 is deleted if_delmulti_locked: detaching ifnet instance 0xfffffe005858e800 if_delmulti_locked: detaching ifnet instance 0xfffffe005858e800 if_delmulti_locked: detaching ifnet instance 0xfffffe005858e800 tap2: link state changed to DOWN if_delmulti_locked: detaching ifnet instance 0xfffffe005858e000 if_delmulti_locked: detaching ifnet instance 0xfffffe005858e000 if_delmulti_locked: detaching ifnet instance 0xfffffe005858e000 if_delmulti_locked: detaching ifnet instance 0xfffffe005858f000 if_delmulti_locked: detaching ifnet instance 0xfffffe005858f000 if_delmulti_locked: detaching ifnet instance 0xfffffe005858f000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058156000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058156000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058156000 if_delmulti_locked: detaching ifnet instance 0xfffffe005858f800 if_delmulti_locked: detaching ifnet instance 0xfffffe005858f800 if_delmulti_locked: detaching ifnet instance 0xfffffe005858f800 if_delmulti_locked: detaching ifnet instance 0xfffffe005858e800 if_delmulti_locked: detaching ifnet instance 0xfffffe005858e800 if_delmulti_locked: detaching ifnet instance 0xfffffe005858e800