last executing test programs: 1.449206303s ago: executing program 1 (id=2): r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10) dup2(0xffffffffffffffff, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, &(0x7f0000001700)) r1 = socket(0x0, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r1, 0x29, 0x31, &(0x7f00000016c0)=ANY=[], 0x28) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x0, @empty, 0x10}, 0x1c) sendto$inet6(0xffffffffffffffff, &(0x7f0000000600)="14a3fb1a6025b8cdd859c1c2900984923796fa62612e29c5a050c38d8c9f8cb62763920df1f67ddcd95e8d3e9984b6ce65093291e16bd3c0690a6f3c04", 0x3d, 0x0, 0x0, 0x0) r2 = kqueue() kevent(r2, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0) r3 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x28, 0x0, &(0x7f00000002c0)) setsockopt$inet_sctp_SCTP_CONTEXT(r3, 0x84, 0x1a, &(0x7f0000000180), 0x8) r4 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) connect$inet(r4, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10) 1.440191197s ago: executing program 0 (id=1): r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket(0x0, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x31, 0x0, 0x28) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x800000, @empty}, 0x1c) sendto$inet6(0xffffffffffffffff, &(0x7f0000000600)="14a3fb1a6025b8cdd859c1c2900984923796fa62612e29c5a050c38d8c9f8cb62763920df1f67ddcd95e8d3e9984b6ce65093291e16bd3c0690a6f3c041c1d1b149dcdbfc289cafbafae52adad225aa5d98169f951ae4af8a475a23b", 0x5c, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c) r1 = kqueue() kevent(r1, 0x0, 0x0, 0x0, 0x0, 0x0) syz_emit_ethernet(0x42, 0x0) r2 = socket$inet_sctp(0x2, 0x5, 0x84) socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x28, &(0x7f0000000280)={0x1, [0x0]}, &(0x7f00000002c0)=0x8) setsockopt$inet_sctp_SCTP_CONTEXT(r2, 0x84, 0x1a, &(0x7f0000000180)={r3}, 0x8) socket$inet6_sctp(0x1c, 0x1, 0x84) r4 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, 0x0, 0x0) setsockopt$inet_tcp_int(r4, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4) connect$inet(r4, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10) rfork(0x85000) 1.385577964s ago: executing program 3 (id=4): setsockopt$inet_MCAST_LEAVE_GROUP(0xffffffffffffffff, 0x0, 0x51, &(0x7f0000000500)={0x18b, {{0x10, 0x2, 0x1, @multicast2}}}, 0x84) r0 = kqueue() kevent(r0, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x0, 0xe8c1, 0x80000000, [0x40]}], 0x1, 0x0, 0x0, 0x0) r1 = socket(0x1c, 0x1, 0x0) aio_write(0x0) socket$inet6_sctp(0x1c, 0x0, 0x84) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000f80), 0x0, 0x0) socket$inet6_tcp(0x1c, 0x1, 0x0) r2 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000300)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(r2, 0x6, 0x22, 0x0, 0x0) connect$inet(r2, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) shutdown(r2, 0x0) socket$inet6_sctp(0x1c, 0x0, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x28, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xe, 0x0, 0x0) shutdown(0xffffffffffffffff, 0x0) r3 = openat$crypto(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$CIOCGSESSION2(r3, 0xc030636a, 0x0) r4 = socket$inet_sctp(0x2, 0x0, 0x84) r5 = dup(r4) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140), &(0x7f0000000180)=0x20) mincore(&(0x7f0000013000/0x4000)=nil, 0x4000, 0x0) kmq_open(0x0, 0x0, 0x0, 0x0) r6 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_EVENTS(r6, 0x84, 0xc, &(0x7f0000000000)={0x0, 0xd7, 0x0, 0x0, 0x0, 0xff, 0x0, 0x0, 0xe, 0x8c, 0x8}, 0xb) sendto$inet(r1, 0x0, 0x0, 0x101, 0x0, 0x0) 1.343001132s ago: executing program 2 (id=3): r0 = accept4(0xffffffffffffffff, 0x0, 0x0, 0x10000000) ioctl$DIOCGETRULES(0xffffffffffffffff, 0xcbe04406, &(0x7f0000002500)="1a96edd80763523d70657775757adee398") sendmsg$unix(0xffffffffffffffff, 0x0, 0x0) mkdir(0x0, 0x0) r1 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r1, &(0x7f0000000280)={0x10, 0x2, 0x3}, 0x10) openat$filemon(0xffffff9c, &(0x7f00000002c0), 0x0, 0x0) freebsd10_pipe(0x0) open(&(0x7f0000000480)='./file0\x00', 0x0, 0xe) sendto$inet(r0, 0x0, 0x0, 0x100, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x23, &(0x7f0000000140)={@in6={{0x1c, 0x1c, 0x1, 0x0, @ipv4={'\x00', '\xff\xff', @rand_addr=0x76}, 0x486}}, 0x0, 0x9a, 0x49c5}, &(0x7f0000000000)=0x90) profil(0x0, 0x0, 0x0, 0x0) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_INITMSG(r2, 0x84, 0x3, 0x0, 0x0) rfork(0x7010) sync() open(0x0, 0x0, 0x0) socket$inet_sctp(0x2, 0x5, 0x84) r3 = socket$inet6_sctp(0x1c, 0x5, 0x84) sendmsg$inet6_sctp(r3, &(0x7f0000000040)={&(0x7f00000000c0)=@in6={0x1c, 0x1c, 0x0, 0x0, @local={0xfe, 0x80, '\x00', 0x0}, 0x6}, 0x1c, &(0x7f0000000140)=[{0x0}, {&(0x7f00000001c0)="a515b693dd67aff93d7392e78d983618e1e33705f12c6daf98a3b4bd61764e993d257159af675439a163f10ddc821f6073fb", 0x32}], 0x2, 0x0, 0x0, 0x18c}, 0xd) 991.92792ms ago: executing program 0 (id=5): socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xb, 0x0, &(0x7f0000000280)) setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00', 0x3d6}, 0x24) 927.50323ms ago: executing program 0 (id=6): socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xb, 0x0, &(0x7f0000000280)) r0 = socket(0x1c, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00', 0x3d6}, 0x24) connect$inet6(r0, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) 871.908948ms ago: executing program 2 (id=7): getpid() symlinkat(0x0, 0xffffffffffffffff, 0x0) socket$inet6_sctp(0x1c, 0x0, 0x84) ksem_trywait(0x0) ksem_destroy(0x0) 844.061005ms ago: executing program 0 (id=8): r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10) r1 = dup2(0xffffffffffffffff, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x105, 0x0, &(0x7f0000001700)) r2 = socket(0x0, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r2, 0x29, 0x31, 0x0, 0x28) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x800000, @empty}, 0x1c) sendto$inet6(0xffffffffffffffff, &(0x7f0000000600)="14a3fb1a6025b8cdd859c1c2900984923796fa62612e29c5a050c38d8c9f8cb62763920df1f67ddcd95e8d3e9984", 0x2e, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c) r3 = kqueue() kevent(r3, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0x0, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0) syz_emit_ethernet(0x42, 0x0) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = socket$inet_sctp(0x2, 0x0, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x28, 0x0, &(0x7f00000002c0)) setsockopt$inet_sctp_SCTP_CONTEXT(r4, 0x84, 0x1a, &(0x7f0000000180), 0x8) socket$inet6_sctp(0x1c, 0x1, 0x84) socket$inet6_sctp(0x1c, 0x1, 0x84) r6 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r6, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4) connect$inet(r6, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10) sendmsg$inet6_sctp(r6, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x125}], 0x1, 0x0, 0x0, 0x81}, 0x0) rfork(0x85000) 818.436653ms ago: executing program 2 (id=9): r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x31, 0x0, 0x28) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000200)=@in6={0x1c, 0x1c, 0x3, 0x6, @rand_addr="526417c240430a290d7c6b824c7f1af2", 0x8}, 0x1c) sendto$inet6(0xffffffffffffffff, &(0x7f0000000600), 0x0, 0x100, &(0x7f0000000080)={0x1c, 0x1c, 0x3, 0x0, @loopback, 0x400000}, 0x1c) kevent(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0) socket$inet6_sctp(0x1c, 0x1, 0x84) r1 = dup2(0xffffffffffffffff, 0xffffffffffffffff) r2 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r2, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4) connect$inet(r2, 0x0, 0x0) ioctl$BIOCIMMEDIATE(r1, 0x80044270, &(0x7f0000000000)=0xfff) sendmsg$inet6_sctp(r2, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x186}], 0x1, 0x0, 0x0, 0x81}, 0x0) ioctl$CIOCGSESSION2(0xffffffffffffffff, 0xc040636a, &(0x7f00000005c0)={0x16, 0x1d, 0x48d, &(0x7f0000001380)="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", 0x0, &(0x7f0000001300), 0x8, 0x9, [0x80000001, 0x10008, 0x4, 0x8]}) r3 = socket$inet6_sctp(0x1c, 0x1, 0x84) vfork() lio_listio(0x0, 0x0, 0x0, &(0x7f0000000140)={0x1, 0x49, @sigval_int, @thr={0x0, 0x0}}) getsockopt$inet6_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x23, &(0x7f0000000240)={@in6={{0x1c, 0x1c, 0x0, 0x8001, @empty, 0x40}}, 0x0, 0x40, 0x0, 0x1}, &(0x7f0000000300)=0x8c) getsockopt$inet6_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, &(0x7f0000000340)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000380)=0x18) sendmsg$inet6_sctp(r3, &(0x7f0000000280)={&(0x7f0000000640)=@in6={0x1c, 0x1c, 0x1, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)='H', 0x1}], 0x1}, 0x20180) socket(0x1c, 0x1, 0x0) r4 = socket$inet6_tcp(0x1c, 0x1, 0x0) setsockopt$inet6_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, 0x0, 0x0) 145.039926ms ago: executing program 2 (id=10): r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10) dup2(0xffffffffffffffff, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, &(0x7f0000001700)) r1 = socket(0x0, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r1, 0x29, 0x31, &(0x7f00000016c0)=ANY=[], 0x28) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x0, @empty, 0x10}, 0x1c) sendto$inet6(0xffffffffffffffff, &(0x7f0000000600)="14a3fb1a6025b8cdd859c1c2900984923796fa62612e29c5a050c38d8c9f8cb62763920df1f67ddcd95e8d3e9984b6ce65093291e16bd3c0690a6f3c04", 0x3d, 0x0, 0x0, 0x0) r2 = kqueue() kevent(r2, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0) r3 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x28, &(0x7f0000000280), &(0x7f00000002c0)=0x4) setsockopt$inet_sctp_SCTP_CONTEXT(r3, 0x84, 0x1a, &(0x7f0000000180), 0x8) r4 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) connect$inet(r4, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10) 0s ago: executing program 3 (id=11): r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10) r1 = dup2(0xffffffffffffffff, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x105, 0x0, &(0x7f0000001700)) r2 = socket(0x0, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r2, 0x29, 0x31, 0x0, 0x28) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x800000, @empty}, 0x1c) sendto$inet6(0xffffffffffffffff, &(0x7f0000000600)="14a3fb1a6025b8cdd859c1c2900984923796fa62612e29c5a050c38d8c9f8cb62763920df1f67ddcd95e8d3e9984", 0x2e, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c) r3 = kqueue() kevent(r3, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0x0, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0) syz_emit_ethernet(0x42, 0x0) r4 = socket$inet_sctp(0x2, 0x5, 0x84) r5 = socket$inet_sctp(0x2, 0x0, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x28, 0x0, &(0x7f00000002c0)) setsockopt$inet_sctp_SCTP_CONTEXT(r4, 0x84, 0x1a, &(0x7f0000000180), 0x8) socket$inet6_sctp(0x1c, 0x1, 0x84) socket$inet6_sctp(0x1c, 0x1, 0x84) r6 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r6, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4) connect$inet(r6, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10) sendmsg$inet6_sctp(r6, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x125}], 0x1, 0x0, 0x0, 0x81}, 0x0) rfork(0x85000) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.212' (ED25519) to the list of known hosts. Expensive callout(9) function: 0xffffffff8444d6a0(0xfffffe0054041310) 0.004674592 s Expensive callout(9) function: 0xffffffff8142f140(0xfffffe006dac9460) 0.049835453 s FreeBSD/amd64 (ci-freebsd-main-3.c.syzkaller.internal) (ttyu0) login: if_delmulti_locked: detaching ifnet instance 0xfffffe00079fb800 if_delmulti_locked: detaching ifnet instance 0xfffffe00079fb800 if_delmulti_locked: detaching ifnet instance 0xfffffe00079fb800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058546800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058546800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058546800 SYZFAIL: failed to send rpc fd=3 want=75152 sent=0 n=-1 (errno 32: Broken pipe) Aug 1 16:57:56 ci-freebsd-main-3 dhclient[833]: Interface tap1 is down, dhclient exiting show proc Aug 1 16:57:56 ci-freebsd-main-3 dhclient[833]: connection closed Aug 1 16:57:56 ci-freebsd-main-3 dhclient[833]: exiting. Password:if_delmulti_locked: detaching ifnet instance 0xfffffe0058546000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058546000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058546000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058545800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058545800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058545800 if_delmulti_locked: detaching ifnet instance 0xfffffe00079fb800 if_delmulti_locked: detaching ifnet instance 0xfffffe00079fb800 if_delmulti_locked: detaching ifnet instance 0xfffffe00079fb800 if_delmulti_locked: detaching ifnet instance 0xfffffe00079fb000 if_delmulti_locked: detaching ifnet instance 0xfffffe00079fb000 if_delmulti_locked: detaching ifnet instance 0xfffffe00079fb000 if_delmulti_locked: detaching ifnet instance 0xfffffe00079fb000 if_delmulti_locked: detaching ifnet instance 0xfffffe00079fb000 if_delmulti_locked: detaching ifnet instance 0xfffffe00079fb000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058546800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058546800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058546800 Login incorrect login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058545800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058545800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058545800 show all locks Password:if_delmulti_locked: detaching ifnet instance 0xfffffe0058546000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058546000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058546000 Login incorrect login: show uma Aug 1 16:58:00 ci-freebsd-main-3 login[748]: 2 LOGIN FAILURES ON ttyu0 Password: