last executing test programs: 3.603147327s ago: executing program 2 (id=5228): r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000100)={'bbr\x00'}, 0x32) bind$inet(0xffffffffffffffff, &(0x7f0000000200)={0x10, 0x2, 0x1, @local={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x43b, &(0x7f0000000040), 0x4) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) setsockopt$inet_tcp_int(r0, 0x6, 0x43b, &(0x7f0000000200)=0x9, 0x4) 3.581692648s ago: executing program 2 (id=5229): r0 = socket(0x1c, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000080)={0x1c, 0x1c, 0x3, 0x0, @loopback}, 0x1c) connect$inet6(r0, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) readv(r0, &(0x7f00000001c0)=[{&(0x7f00000003c0)=""/210, 0xd2}], 0x1) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) sendto$inet6(r0, &(0x7f0000000000)="f53c13eb82", 0x5, 0x0, 0x0, 0x0) 3.407044613s ago: executing program 2 (id=5235): openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x200201, 0x0) r0 = open(&(0x7f0000000000)='.\x00', 0x0, 0x0) ppoll(&(0x7f0000000080)=[{r0, 0x2000}], 0x1, 0x0, 0x0, 0x0) r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) symlinkat(&(0x7f0000000dc0)='./file0\x00', r1, &(0x7f0000000ec0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00') rename(&(0x7f0000000980)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', &(0x7f0000000a80)='./file0\x00') 2.55769994s ago: executing program 2 (id=5238): open(&(0x7f0000000140)='./file0\x00', 0x78e, 0x0) ktrace(&(0x7f0000000200)='./file0\x00', 0x4, 0xd27d43220c7df9b, 0x0) r0 = open$dir(&(0x7f00000001c0)='.\x00', 0x0, 0x0) getdirentries(r0, &(0x7f0000000340)=""/4096, 0x1000, 0x0) r1 = open$dir(&(0x7f0000000100)='./file0\x00', 0x40000400000002c2, 0x0) writev(r1, &(0x7f0000000340)=[{&(0x7f0000000180), 0x81700}], 0x1000000000000013) 2.531758616s ago: executing program 1 (id=5239): r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xc, &(0x7f0000000000)={0x0, 0xdf}, 0xb) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x10, 0x2, 0x3, @rand_addr=0x2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x20181, 0x0, 0x0) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x21, &(0x7f00000003c0)={0x0, 0x4a00}, 0x10) sendmsg$inet_sctp(r0, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20100}, 0x0) 2.490160313s ago: executing program 1 (id=5241): r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'rack\x00', 0xffffffff}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000180)=0x5, 0x4) setsockopt$inet_tcp_int(r0, 0x6, 0x458, &(0x7f0000000080)=0x4, 0x4) connect$inet(r0, &(0x7f0000000100)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10) shutdown(r0, 0x1) 2.311574211s ago: executing program 2 (id=5247): r0 = open$dir(&(0x7f0000000140)='.\x00', 0x0, 0x0) mkdirat(r0, &(0x7f0000000080)='./file0\x00', 0x0) mknodat(r0, &(0x7f0000000040)='./file0/file0\x00', 0xe004, 0x0) chown(&(0x7f0000000240)='./file0/file0/file0\x00', 0x0, 0x0) faccessat(r0, &(0x7f0000000180)='./file0/file0/file0\x00', 0x0, 0x0) freebsd11_stat(&(0x7f0000000280)='./file0/file0\x00', 0x0) 2.278216074s ago: executing program 2 (id=5248): r0 = socket$inet_sctp(0x2, 0x1, 0x84) r1 = socket$inet_sctp(0x2, 0x5, 0x84) socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x23, &(0x7f00000001c0)={@in6={{0x1c, 0x1c, 0x1, 0x0, @ipv4}}, 0x0, 0x0, 0x0, 0xffff}, 0x90) sendmsg$inet_sctp(r0, 0x0, 0x1) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xd, &(0x7f0000000400), &(0x7f0000000440)=0x4) 2.127020163s ago: executing program 0 (id=5252): openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, &(0x7f00000000c0)={0xfffffffffffffe21, 0x2, 0x2, @loopback}, 0x10) sendmsg(0xffffffffffffffff, 0x0, 0x0) r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt$inet6_sctp_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x102, &(0x7f0000000040), &(0x7f00000000c0)=0x8) 2.113423738s ago: executing program 0 (id=5253): open(&(0x7f0000000140)='./file0\x00', 0x78e, 0x0) ktrace(&(0x7f0000000200)='./file0\x00', 0x4, 0xd27d43220c7df9b, 0x0) r0 = open$dir(&(0x7f00000001c0)='.\x00', 0x0, 0x0) getdirentries(r0, &(0x7f0000000340)=""/4096, 0x1000, 0x0) r1 = open$dir(&(0x7f0000000100)='./file0\x00', 0x40000400000002c2, 0x0) writev(r1, &(0x7f0000000340)=[{&(0x7f0000000180), 0x81700}], 0x1000000000000013) 2.08782221s ago: executing program 3 (id=5254): r0 = open(&(0x7f00000000c0)='./file0\x00', 0x615, 0x0) writev(r0, &(0x7f0000000140)=[{&(0x7f0000000300)="27d5dabd0af2540c6719dfe2f8ea25fbdc712c5374b52815c6dc4f66d2e65adf8b78bff646b451f58ac522b70f9c20bf9d4ae735214cc6c46e55052a6d34b60041065a8c2d352ad933b19e3fd206282cf60e86eb6539a072e20d938af26760f09fe2ec0afcd0a521a767d65ac071db113135bc5aad7e53521f40a0afa926f4d8d287cf33665985a8752bda5fa60fcd2fd8208ac1d80d50c89fd314aeb99f8a52cc6ead605344df9e661750009922d422e684724d0f33f914cc9c05c819c7ad3f62f9ba642764185ae55adae54f00f3f9e9da9c", 0xd3}, {&(0x7f0000000200)="2d6423617603beca7fe150dceeb4a5b854d489b5eb94c1a26ff1adacdb47295698b10167a3c88c3f8230d64389df49917e65f18f590e9513b0bf12c8e620bbda57acb5a20cf7234b01594f3a882a615497b9aecc0b776ac20b92398631c51702458ca768eadcd2f8d3b633666054afdd574f4bf205a22c051d426b12ad4c6a", 0x7f}, {&(0x7f0000000500)="0e1aa4d7f4b064441c8edd0be0f396b66fa14f14e2518166323e4b84fc4cfd46d63ecee7b0bd7e050e6931c4345e1719d7b192d324238669cc5b81806a663e238625bbf05be1996e79675f3d2f9dcf426b08bf548aa9dc9395d392684b41d02f7f79d2bd42be543a1387de55a0fcff5ab956e3a7733abeaa680dd661047f5957b1a2ee45e6b9355a7ac3692264f45eabb4c01d50dee2e17819ff4e4f9487354382b67acb22b6ac156da9fade8e34871f28d8f02eb1107cea2e41c170", 0xbc}, {&(0x7f0000000080)="4160d8db057f6fdfbb83d181", 0xc}, {&(0x7f0000003980)="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", 0x801}, {&(0x7f00000006c0)="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", 0x137}, {&(0x7f0000002e80)="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", 0x6ae}], 0x7) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x2, 0x11, r0, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f0000001400)={0x0, 0x0, 0x0}, 0x0) ioctl$FILEMON_SET_PID(0xffffffffffffffff, 0xc0045302, &(0x7f0000000000)) msync(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0) 2.024718586s ago: executing program 3 (id=5255): r0 = kqueue() kevent(r0, &(0x7f00000000c0)=[{0x0, 0xfffffffffffffffa, 0xf6da68a42fe700d1, 0xffffff}], 0x1, 0x0, 0x0, 0x0) vfork() r1 = socket$inet_sctp(0x2, 0x1, 0x84) connect$inet(r1, &(0x7f0000000000)={0xffffffffffffff28, 0x2, 0x0, @rand_addr=0x9}, 0x10) vfork() 954.651066ms ago: executing program 3 (id=5256): r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x3, &(0x7f0000000340)={0x8003}, 0x8) profil(&(0x7f0000000a00)="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", 0x1b5, 0x7e7, 0x5) connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x3, @rand_addr=0xff}, 0x10) rfork(0x85000) 953.880777ms ago: executing program 0 (id=5263): r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'rack\x00', 0x1}, 0x24) setsockopt$inet6_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x2, 0x0, 0x0) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) sendto(r0, &(0x7f0000003200)="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", 0x9f0, 0x0, &(0x7f0000000480)=@in6={0x1c, 0x1c, 0x2, 0x109, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c) shutdown(r0, 0x1) 953.390795ms ago: executing program 1 (id=5257): r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x6b) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x1, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x2, 0x0, 0x0) shutdown(r0, 0x1) 840.951535ms ago: executing program 3 (id=5258): socket$inet(0x2, 0x1, 0x0) getfsstat(&(0x7f0000001280), 0x928, 0x0) r0 = socket(0x2, 0x1, 0x0) close(r0) socket$inet6_sctp(0x1c, 0x5, 0x84) setsockopt$inet6_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0xf, &(0x7f00000004c0)={0x0, 0xd5, 0xfffffe00}, 0xc) 827.652168ms ago: executing program 3 (id=5259): socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) r0 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000040)={0x0, 0xdbca, 0x7ff, 0x3}, &(0x7f0000000080)=0x10) getsockopt$inet_sctp_SCTP_STATUS(r0, 0x84, 0x100, &(0x7f0000000100)={r1, 0x8, 0x2, 0xb35, 0x65, 0xb, 0x8, 0x2, {@in6={{0x1c, 0x1c, 0x1, 0x0, @ipv4, 0xc}}, r1, 0x2, 0x9, 0x20000000, 0x9, 0x5}}, &(0x7f00000001c0)=0xb0) setsockopt$inet_sctp_SCTP_EVENT(r0, 0x84, 0x1e, &(0x7f0000000200)={r2, 0x7, 0x61}, 0x8) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r0, 0x84, 0x104, &(0x7f0000000580), &(0x7f00000005c0)=0x4) 774.669602ms ago: executing program 3 (id=5260): r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x10, 0x2, 0x3, @rand_addr=0x2}, 0x10) recvfrom$inet(r0, 0x0, 0x0, 0x0, 0x0, 0x0) sendmsg$inet_sctp(r0, &(0x7f0000000580)={&(0x7f0000000080)=@in6={0x1c, 0x1c, 0x1, 0x7, @ipv4={'\x00', '\xff\xff', @broadcast}, 0x3}, 0x1c, &(0x7f0000000480), 0x0, 0x0, 0x58}, 0x20100) sendto$inet(r0, 0x0, 0x0, 0x20181, 0x0, 0x0) getsockopt$sock_timeval(r0, 0xffff, 0x1006, &(0x7f0000000000), &(0x7f0000000180)=0x8) 103.187357ms ago: executing program 1 (id=5261): r0 = socket(0x1c, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000100)={'bbr\x00'}, 0x24) bind$inet6(r0, &(0x7f00000000c0)={0x1c, 0x1c, 0x0, 0x0, @loopback}, 0x1c) connect$inet6(r0, &(0x7f0000000140)={0x1c, 0x1c, 0x0, 0x0, @empty}, 0x1c) sendto(r0, &(0x7f00000001c0)='\a', 0x1, 0x0, 0x0, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x48, &(0x7f0000000000), 0x4) 98.622633ms ago: executing program 0 (id=5262): r0 = socket$inet_sctp(0x2, 0x5, 0x84) r1 = socket$inet6_sctp(0x1c, 0x3, 0x84) connect$inet(r0, &(0x7f0000000980)={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10) r2 = dup2(r0, r1) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x25, &(0x7f0000000940)={0x1, [0x0]}, &(0x7f0000000900)=0x8) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000000000)={r3}, 0xc) 6.412466ms ago: executing program 1 (id=5264): socket$inet_udplite(0x2, 0x2, 0x88) openat$crypto(0xffffffffffffff9c, &(0x7f0000000000), 0xbf259c07e8e2069f, 0x0) socket$inet_sctp(0x2, 0x1, 0x84) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140), 0x200, 0x0) r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_EVENT(r0, 0x84, 0x1e, &(0x7f00000003c0), 0x8) 6.161976ms ago: executing program 0 (id=5265): r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f00000003c0)={'rack\x00'}, 0x24) procctl$PROC_REAP_GETPIDS(0x0, 0x0, 0x5, &(0x7f0000000080)={0x0, '\x00', 0x0}) setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x469, &(0x7f0000000140)={0x6, "50afe2c2559500ab4a3cff00"}, 0x14) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x1b, 0x0, 0x0) rfork(0x3060) 5.980216ms ago: executing program 0 (id=5266): r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000000)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) r1 = socket$inet6_sctp(0x1c, 0x5, 0x84) r2 = dup2(r0, r1) getsockopt$inet6_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x105, &(0x7f0000000180)={0x1, [0x0]}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp_SCTP_RESET_STREAMS(r2, 0x84, 0x901, &(0x7f0000000080)=ANY=[@ANYRES32=r3], 0xa) 0s ago: executing program 1 (id=5267): sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) recvfrom$inet(0xffffffffffffffff, 0x0, 0x0, 0x42, 0x0, 0x0) r0 = socket$inet6(0x1c, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @loopback}, 0x1c) connect$inet6(r0, &(0x7f00000000c0)={0x1c, 0x1c, 0x3, 0x0, @rand_addr="0000000000114b70380dbb00086000"}, 0x1c) rfork(0x5000) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.96' (ED25519) to the list of known hosts. UDP6: M_MCAST is set in a unicast packet. Sep 25 05:31:29 ci-freebsd-i386-0 kernel: arp: 14:00:0e:bb:89:b7 attempts to modify permanent entry for 172.20.1.187 on tap1 Sep 25 05:31:31 ci-freebsd-i386-0 kernel: nd6_na_input: duplicate IP6 address fe80:5::aa Jan 1 00:00:01 ci-freebsd-i386-0 kernel: attempted source route from 255.255.255.255 to 172.20.0.170 if_delmulti_locked: detaching ifnet instance 0xfffffe005872b000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058729800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058729800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058729800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058729800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058729800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058729800 Out of ktrace request objects. if_delmulti_locked: detaching ifnet instance 0xfffffe0054223000 ip6_pcbopts: all specified options are cleared. if_delmulti_locked: detaching ifnet instance 0xfffffe006e504000 Jan 1 00:00:57 ci-freebsd-i386-0 dhclient[2064]: send_packet: No buffer space available if_delmulti_locked: detaching ifnet instance 0xfffffe006e504800 if_delmulti_locked: detaching ifnet instance 0xfffffe005872b000 if_delmulti_locked: detaching ifnet instance 0xfffffe0054223000 if_delmulti_locked: detaching ifnet instance 0xfffffe006e504800 if_delmulti_locked: detaching ifnet instance 0xfffffe006e504800 Jan 1 00:01:08 ci-freebsd-i386-if_delmulti_locked: detaching ifnet instance 0xfffffe006e504800 0 syslogd: last message repeated 1 times Jan 1 00:01:20 ci-freebsd-i386-0 dhclient[2064]: Interface tap1 is down, dhclient exiting Jan 1 00:01:20 ci-freebsd-i386-0 dhclient[2064]: connection closed Jan 1 00:01:20 ci-freebsd-i386-0 dhclient[2064]: exiting. if_delmulti_locked: detaching ifnet instance 0xfffffe006e504800 if_delmulti_locked: detaching ifnet instance 0xfffffe006e504800 if_delmulti_locked: detaching ifnet instance 0xfffffe006e504800 ip6_pcbopts: all specified options are cleared. if_delmulti_locked: detaching ifnet instance 0xfffffe0054223000 if_delmulti_locked: detaching ifnet instance 0xfffffe0054223000 if_delmulti_locked: detaching ifnet instance 0xfffffe006e503800 if_delmulti_locked: detaching ifnet instance 0xfffffe005872b000 if_delmulti_locked: detaching ifnet instance 0xfffffe006e503800 if_delmulti_locked: detaching ifnet instance 0xfffffe005872b000 if_delmulti_locked: detaching ifnet instance 0xfffffe0054223000 if_delmulti_locked: detaching ifnet instance 0xfffffe0054223000 if_delmulti_locked: detaching ifnet instance 0xfffffe0054223000 if_delmulti_locked: detaching ifnet instance 0xfffffe0054223000 if_delmulti_locked: detaching ifnet instance 0xfffffe0054223000 Jan 1 00:01:45 ci-freebsd-i386-0 dhclient[4590]: send_packet: No buffer space available Jan 1 00:02:05 ci-freebsd-i386-0 syslogd: last message repeated 2 times Jan 1 00:02:12 ci-freebsd-i386-0 dhclient[6417]: send_packet: No buffer space available Jan 1 00:02:52 ci-freebsd-i386-0 syslogd: last message repeated 5 times Jan 1 00:03:04 ci-freebsd-i386-0 syslogd: last message repeated 1 times Jan 1 00:03:13 ci-freebsd-i386-0 dhclient[6445]: send_packet: No buffer space available Jan 1 00:03:39 ci-freebsd-i386-0 syslogd: last message repeated 3 times Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe007504d320) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctputil.c:1776 stack backtrace: #0 0xffffffff81613cd6 at witness_debugger+0x156 #1 0xffffffff81616184 at witness_warn+0x894 #2 0xffffffff820b2d37 at trap_pfault+0x157 #3 0xffffffff820b14f8 at trap+0x648 #4 0xffffffff82059368 at calltrap+0x8 #5 0xffffffff84697afc at sctp_lowlevel_chunk_output+0x1f0c #6 0xffffffff846b25e9 at sctp_send_abort_tcb+0x569 #7 0xffffffff8472a99e at sctp_abort_an_association+0xbe #8 0xffffffff84728702 at sctp_timeout_handler+0xf92 #9 0xffffffff81533685 at softclock_call_cc+0x395 #10 0xffffffff81536a10 at softclock_thread+0x200 #11 0xffffffff8144e77c at fork_exit+0xcc #12 0xffffffff8205a3ce at fork_trampoline+0xe Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x10 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff81a246d7 stack pointer = 0x28:0xfffffe0056c8a6c0 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) frame pointer = 0x28:0xfffffe0056c8a770 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 2 (clock (0)) rdi: 0000000000000010 rsi: 0000000000000000 rdx: 000000000dca0960 rcx: fffffe00033eee30 r8: 0000000000000000 r9: 0000000000000001 rax: fffffe00033eee30 rbx: 0000000000000000 rbp: fffffe0056c8a770 r10: 0100000000000000 r11: 000000000000001f r12: dffff7c000000000 r13: 1fffffc00ad914d8 r14: fffffe006e504800 r15: 000000000000ffff trap number = 12 panic: page fault cpuid = 0 time = 237 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056c89df0 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056c89f50 vpanic() at vpanic+0x280/frame 0xfffffe0056c8a110 panic() at panic+0xb5/frame 0xfffffe0056c8a1d0 trap_fatal() at trap_fatal+0x7f2/frame 0xfffffe0056c8a2f0 trap_pfault() at trap_pfault+0x179/frame 0xfffffe0056c8a410 trap() at trap+0x648/frame 0xfffffe0056c8a5f0 calltrap() at calltrap+0x8/frame 0xfffffe0056c8a5f0 --- trap 0xc, rip = 0xffffffff81a246d7, rsp = 0xfffffe0056c8a6c0, rbp = 0xfffffe0056c8a770 --- in6_selecthlim() at in6_selecthlim+0xd7/frame 0xfffffe0056c8a770 sctp_lowlevel_chunk_output() at sctp_lowlevel_chunk_output+0x1f0c/frame 0xfffffe0056c8aa20 sctp_send_abort_tcb() at sctp_send_abort_tcb+0x569/frame 0xfffffe0056c8ab20 sctp_abort_an_association() at sctp_abort_an_association+0xbe/frame 0xfffffe0056c8ab70 sctp_timeout_handler() at sctp_timeout_handler+0xf92/frame 0xfffffe0056c8acb0 softclock_call_cc() at softclock_call_cc+0x395/frame 0xfffffe0056c8ae80 softclock_thread() at softclock_thread+0x200/frame 0xfffffe0056c8aef0 fork_exit() at fork_exit+0xcc/frame 0xfffffe0056c8af30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056c8af30 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 2 tid 100030 ] Stopped at kdb_enter+0x6e: movq $0,0x23e2117(%rip) db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0x28 rax 0x12 rcx 0xfffffe00033eee30 rdx 0 rbx 0xffffffff82724620 .str.27 rsp 0xfffffe0056c89f30 rbp 0xfffffe0056c89f50 rsi 0 rdi 0xffffffff815d4059 printf+0x149 r8 0 r9 0xffffffff r10 0 r11 0x17 r12 0xfffffe0007a19000 r13 0xfffffffffffffffe r14 0xffffffff82724620 .str.27 r15 0 rip 0xffffffff815bdefe kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x23e2117(%rip) db> show proc Process 2 (clock) at 0xfffffe0007a06020: state: NORMAL uid: 0 gids: 0 parent: pid 0 at 0xffffffff8392a720 ABI: null flag: 0x10020284 flag2: 0 reaper: 0xffffffff8392a720 reapsubtree: 2 sigparent: 20 vmspace: 0xffffffff8392b6c0 (map 0xffffffff8392b6c0) (map.pmap 0xffffffff8392b780) (pmap 0xffffffff8392b7f0) threads: 2 100030 Run CPU 0 [clock (0)] 100031 I [clock (1)] db> ps pid ppid pgrp uid state wmesg wchan cmd 6450 6449 6449 0 D ifnet_d 0xffffffff83a9f380 ifconfig 6449 1 6449 0 S wait 0xfffffe005b6d05c0 syz-executor 6448 6442 6448 0 Ss select 0xfffffe0074fa1ec0 dhclient 6445 1 6445 0 Ss select 0xfffffe0074fa1a40 dhclient 6442 6435 424 65 S select 0xfffffe0074fa23c0 dhclient 6435 424 424 0 S wait 0xfffffe005b6dbb00 sh 6426 1 6426 65 Ss select 0xfffffe00587121c0 dhclient 6422 1 6421 0 D ifnet_d 0xffffffff83a9f380 ifconfig 6420 1 6420 0 Ss select 0xfffffe0074fa1140 dhclient 6417 1 6417 0 Ss select 0xfffffe0074fa17c0 dhclient 6398 1 6398 65 Ss select 0xfffffe0074fa16c0 dhclient 6394 1 6393 0 D ifnet_d 0xffffffff83a9f380 ifconfig 6380 1 767 0 SV uwait 0xfffffe0074eb1e80 syz-executor 6379 1 767 0 SV connec 0xfffffe006b9050da syz-executor 6373 1 6371 0 D tun_con 0xfffffe00598c2ca8 ifconfig 6349 1 767 0 S uwait 0xfffffe0074eb2500 syz-executor 6330 1 764 0 S uwait 0xfffffe005422e600 syz-executor 6297 1 767 0 S uwait 0xfffffe00754a4f00 syz-executor 6294 1 767 0 S uwait 0xfffffe0074eb1400 syz-executor 6268 1 4921 0 S uwait 0xfffffe00754a5f00 syz-executor 6236 1 4921 0 S uwait 0xfffffe0074eb0e80 syz-executor 6213 1 767 0 S uwait 0xfffffe0074eb1300 syz-executor 6198 1 767 0 S uwait 0xfffffe0058480080 syz-executor 6170 1 767 0 S uwait 0xfffffe00754a5580 syz-executor 6168 1 767 0 S uwait 0xfffffe0074eb1a00 syz-executor 6166 1 767 0 S uwait 0xfffffe0058483480 syz-executor 5986 1 4921 0 SV uwait 0xfffffe0074eb1900 syz-executor 5882 1 767 0 SV uwait 0xfffffe0058480280 syz-executor 5797 1 4921 -1 SV uwait 0xfffffe005422e400 syz-executor 5680 1 4921 0 SV connec 0xfffffe006b8f04da syz-executor 5678 1 764 0 S uwait 0xfffffe0074eb2d80 syz-executor 5675 1 764 0 S uwait 0xfffffe0074eb2200 syz-executor 5652 1 764 0 SV connec 0xfffffe006b8ef8da syz-executor 5612 1 767 0 SV aiowc 0xfffffe005b781e68 syz-executor 5570 1 764 0 S uwait 0xfffffe005422e900 syz-executor 5543 1 5541 0 S uwait 0xfffffe00754a6180 syz-executor 5534 1 767 0 S uwait 0xfffffe0058483880 syz-executor 5510 1 5508 0 S uwait 0xfffffe00754a6080 syz-executor 5496 1 5494 0 S uwait 0xfffffe00586fa480 syz-executor 5470 1 5470 0 SVs uwait 0xfffffe0074eb2000 syz-executor 5450 1 764 0 S uwait 0xfffffe0058482e00 syz-executor 5446 1 764 0 S uwait 0xfffffe00754a5b00 syz-executor 5436 1 764 0 S uwait 0xfffffe00586fa980 syz-executor 5430 1 767 60928 S uwait 0xfffffe00586fa780 syz-executor 5422 0 0 0 DL (threaded) [so_splice] 100119 D - 0xfffffe0058483c00 [thr_0] 105145 D - 0xfffffe0058483c40 [thr_1] 5418 1 767 0 S uwait 0xfffffe00754a5d00 syz-executor 5413 1 767 0 S uwait 0xfffffe00586fbd00 syz-executor 5386 1 764 0 S uwait 0xfffffe00586fbb00 syz-executor 5385 1 764 0 S uwait 0xfffffe00586fa380 syz-executor 5352 1 767 60928 S uwait 0xfffffe00754a6480 syz-executor 5296 1 4921 0 S uwait 0xfffffe0058483680 syz-executor 5239 1 767 0 S uwait 0xfffffe005422ec00 syz-executor 5200 1 4921 0 SV uwait 0xfffffe0074eb3300 syz-executor 5197 1 4921 0 S uwait 0xfffffe0058481980 syz-executor 5097 0 0 0 DL mdwait 0xfffffe00598d6000 [md1] 5090 1 767 0 S uwait 0xfffffe0074eb3000 syz-executor 5088 1 767 0 S uwait 0xfffffe00754a5900 syz-executor 5043 1 4921 0 S uwait 0xfffffe005422e700 syz-executor 4921 1 4921 0 R syz-executor 4856 1 767 0 S uwait 0xfffffe00754a5e00 syz-executor 4839 1 767 0 S uwait 0xfffffe0074eb2980 syz-executor 4692 1 767 0 S uwait 0xfffffe005422e500 syz-executor 4596 1 4596 0 Ss select 0xfffffe0058711f40 dhclient 4590 1 4590 0 Ss select 0xfffffe005847eec0 dhclient 4469 1 764 0 S uwait 0xfffffe0058483780 syz-executor 4425 1 764 0 S uwait 0xfffffe00586fb500 syz-executor 4387 1 767 0 R syz-executor 4040 1 764 0 S uwait 0xfffffe0058482f00 syz-executor 4032 1 764 0 S uwait 0xfffffe0058483f00 syz-executor 4011 0 0 0 DL mdwait 0xfffffe00752df000 [md0] 3885 1 767 0 S uwait 0xfffffe00586fb800 syz-executor 3860 1 767 0 S umtxn 0xfffffe0058483580 syz-executor 3693 1 767 0 S uwait 0xfffffe0074eb3100 syz-executor 3670 1 767 0 S uwait 0xfffffe005422e200 syz-executor 3588 1 764 0 S uwait 0xfffffe005422e300 syz-executor 3577 1 767 0 S uwait 0xfffffe00586fb300 syz-executor 3510 1 764 0 S uwait 0xfffffe00586fa080 syz-executor 3434 1 764 0 S uwait 0xfffffe00586fa880 syz-executor 3414 1 767 0 S uwait 0xfffffe005422ea00 syz-executor 3310 1 767 -1 S uwait 0xfffffe00586fa280 syz-executor 3140 1 767 0 S uwait 0xfffffe00586fa180 syz-executor 3113 1 764 0 S uwait 0xfffffe00586fb400 syz-executor 3022 1 767 0 S uwait 0xfffffe00586fad80 syz-executor 2452 1 767 0 S uwait 0xfffffe00586fba00 syz-executor 2356 1 764 0 S uwait 0xfffffe00586fb600 syz-executor 2263 1 767 0 S uwait 0xfffffe00586fbc00 syz-executor 1952 1 764 0 S uwait 0xfffffe005422ee00 syz-executor 1939 1 767 0 S uwait 0xfffffe00586fb100 syz-executor 1814 1 764 0 SV uwait 0xfffffe005422e800 syz-executor 1718 1 764 0 S uwait 0xfffffe0058480180 syz-executor 970 0 0 0 DL aiordy 0xfffffe0007a26040 [aiod4] 969 0 0 0 DL aiordy 0xfffffe0007a25ae0 [aiod3] 968 0 0 0 DL aiordy 0xfffffe005b6a5ac0 [aiod2] 967 0 0 0 DL aiordy 0xfffffe005b6cf040 [aiod1] 767 1 767 0 R syz-executor 764 1 764 0 RE CPU 1 syz-executor 761 759 761 0 Rs csh 759 682 759 0 Ss select 0xfffffe005847df40 sshd 748 1 748 0 Rs+ getty 747 1 747 0 Ss+ ttyin 0xfffffe00596edcb0 getty 746 1 746 0 Ss+ ttyin 0xfffffe00596ee4b0 getty 745 1 745 0 Ss+ ttyin 0xfffffe00596eecb0 getty 744 1 744 0 Ss+ ttyin 0xfffffe00596c2cb0 getty 743 1 743 0 Ss+ ttyin 0xfffffe00543574b0 getty 742 1 742 0 Ss+ ttyin 0xfffffe0054357cb0 getty 741 1 741 0 Ss+ ttyin 0xfffffe00543584b0 getty 740 1 740 0 Ss+ ttyin 0xfffffe0054358cb0 getty 686 1 686 0 Ss nanslp 0xffffffff839813c0 cron 682 1 682 0 Ss select 0xfffffe0058712e40 sshd 495 1 495 0 Ss select 0xfffffe005847e540 syslogd 424 1 424 0 Ss wait 0xfffffe0007be7b00 devd 423 1 423 65 Ss select 0xfffffe0058713740 dhclient 338 1 338 0 Ss select 0xfffffe0058713ec0 dhclient 335 1 335 0 Ss select 0xfffffe00587137c0 dhclient 17 0 0 0 DL syncer 0xffffffff83a9ebe0 [syncer] 16 0 0 0 DL vlruwt 0xfffffe0007a27060 [vnlru] 15 0 0 0 DL (threaded) [bufdaemon] 100081 D psleep 0xffffffff83a9d1a0 [bufdaemon] 100084 D - 0xffffffff82e02140 [bufspacedaemon-0] 100095 D sdflush 0xfffffe00580144e8 [/ worker] 9 0 0 0 DL psleep 0xffffffff83ae88a0 [vmdaemon] 8 0 0 0 DL (threaded) [pagedaemon] 100079 D psleep 0xffffffff83ace838 [dom0] 100082 D launds 0xffffffff83ace844 [laundry: dom0] 100083 D umarcl 0xffffffff81d728a0 [uma] 7 0 0 0 DL - 0xffffffff836feb70 [rand_harvestq] 6 0 0 0 TL pftm 0xffffffff843c89d0 [pf purge] 5 0 0 0 DL waiting 0xffffffff8476ca00 [sctp_iterator] 4 0 0 0 DL (threaded) [cam] 100045 D - 0xffffffff836c9340 [doneq0] 100046 D - 0xffffffff836c92c0 [async] 100077 D - 0xffffffff836c9140 [scanner] 3 0 0 0 DL (threaded) [crypto] 100042 D crypto_ 0xffffffff83aca020 [crypto] 100043 D crypto_ 0xfffffe0057f7b030 [crypto returns 0] 100044 D crypto_ 0xfffffe0057f7b080 [crypto returns 1] 14 0 0 0 DL seqstat 0xfffffe00085f6488 [sequencer 00] 13 0 0 0 DL (threaded) [geom] 100036 D - 0xffffffff83929d40 [g_event] 100037 D - 0xffffffff83929d60 [g_up] 100038 D - 0xffffffff83929d80 [g_down] 2 0 0 0 TL (threaded) [clock] 100030 Run CPU 0 [clock (0)] 100031 I [clock (1)] 12 0 0 0 WL (threaded) [intr] 100012 I [swi6: task queue] 100013 I [swi6: Giant taskq] 100015 I [swi5: fast taskq] 100032 I [swi1: netisr 0] 100033 I [swi1: hpts] 100034 I [swi1: hpts] 100047 I [irq24: virtio_pci0] 100048 I [irq25: virtio_pci0] 100049 I [irq26: virtio_pci0] 100050 I [irq27: virtio_pci0] 100051 I [irq28: virtio_pci1] 100052 I [irq29: virtio_pci1] 100053 I [irq30: virtio_pci1] 100054 I [irq31: virtio_pci1] 100055 I [irq32: virtio_pci1] 100060 I [irq33: virtio_pci2] 100061 I [irq34: virtio_pci2] 100062 I [irq35: virtio_pci2] 100064 I [irq1: atkbd0] 100065 I [irq12: psm0] 100066 I [swi0: uart uart++] 100070 I [swi1: pf send] 11 0 0 0 RL (threaded) [idle] 100003 CanRun [idle: cpu0] 100004 CanRun [idle: cpu1] 1 0 1 0 RLs [init] 10 0 0 0 DL audit_w 0xffffffff83acaa80 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D parked 0xffffffff84c1cff0 [swapper] 100005 D - 0xfffffe00085fba00 [softirq_0] 100006 D - 0xfffffe00085fb800 [softirq_1] 100007 D - 0xfffffe00085fb600 [if_io_tqg_0] 100008 D - 0xfffffe00085fb400 [if_io_tqg_1] 100009 D - 0xfffffe00085fb200 [if_config_tqg_0] 100010 D - 0xfffffe00085fb000 [pci_hp taskq] 100011 D - 0xfffffe00085fad00 [kqueue_ctx taskq] 100014 D - 0xfffffe00085fa700 [thread taskq] 100016 D - 0xfffffe00085fa300 [aiod_kick taskq] 100017 D - 0xfffffe00085fa100 [deferred_unmount ta] 100018 D - 0xfffffe00085f9e00 [inm_free taskq] 100019 D - 0xfffffe00085f9c00 [in6m_free taskq] 100020 D - 0xfffffe00085f9a00 [linuxkpi_irq_wq] 100021 D - 0xfffffe00085f9800 [linuxkpi_short_wq_0] 100022 D - 0xfffffe00085f9800 [linuxkpi_short_wq_1] 100023 D - 0xfffffe00085f9800 [linuxkpi_short_wq_2] 100024 D - 0xfffffe00085f9800 [linuxkpi_short_wq_3] 100025 D - 0xfffffe00085f9300 [linuxkpi_long_wq_0] 100026 D - 0xfffffe00085f9300 [linuxkpi_long_wq_1] 100027 D - 0xfffffe00085f9300 [linuxkpi_long_wq_2] 100028 D - 0xfffffe00085f9300 [linuxkpi_long_wq_3] 100035 D - 0xfffffe00085f8400 [firmware taskq] 100040 D - 0xfffffe0057f30200 [crypto_0] 100041 D - 0xfffffe0057f30200 [crypto_1] 100056 D - 0xfffffe00085fc300 [vtnet0 rxq 0] 100057 D - 0xfffffe00085fc200 [vtnet0 txq 0] 100058 D - 0xfffffe005836f500 [vtnet0 rxq 1] 100059 D - 0xfffffe005836f400 [vtnet0 txq 1] 100063 D vtbslp 0xfffffe0058353600 [virtio_balloon] 100067 D - 0xffffffff82729861 [deadlkres] 100071 D - 0xfffffe0058701300 [acpi_task_0] 100072 D - 0xfffffe0058701300 [acpi_task_1] 100073 D - 0xfffffe0058701300 [acpi_task_2] 100075 D - 0xfffffe00085fc100 [mca taskq] 100076 D - 0xfffffe0057f2fb00 [CAM taskq] 100078 D - 0xfffffe0057f30600 [ipsec_offload] 5798 5797 4921 -1 Z syz-executor 763 761 761 0 Z syz-executor db> show all locks Process 6373 (ifconfig) thread 0xfffffe005b7a6740 (105900) exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 0 (0xffffffff83a9f380) locked @ /syzkaller/managers/i386/kernel/sys/net/if.c:3028 Process 764 (syz-executor) thread 0xfffffe005b690740 (100090) exclusive sx ktrace_sx (ktrace_sx) r = 0 (0xffffffff8392dd20) locked @ /syzkaller/managers/i386/kernel/sys/kern/kern_ktrace.c:622 Process 2 (clock) thread 0xfffffe0007a19000 (100030) exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe007504d320) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctputil.c:1776 db> show malloc Type InUse MemUse Requests pf_hash 6 12804K 6 linker 375 5011K 563 tcp_hpts 7 4801K 7 devbuf 4192 4324K 4222 sysctloid 35147 2071K 35218 vtbuf 24 1968K 46 kobj 329 1316K 511 filedesc 153 1223K 10921 newblk 4 1025K 9201 vfscache 3 1025K 3 pcb 120 775K 3171 subproc 303 599K 6638 inodedep 5 514K 6348 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 472K 4 vnet_data 2 224K 2 acpitask 1 224K 1 KTRACE 101 201K 170899 acpica 1674 184K 61482 vmem 5 146K 8 tidhash 3 141K 3 pagedep 4 129K 5489 tfo_ccache 1 128K 1 IP reass 1 128K 1 DEVFS1 113 113K 134 sem 4 106K 4 gtaskqueue 18 98K 18 bus 995 82K 5165 mtx_pool 2 72K 2 BPF 39 71K 140 syncache 1 68K 1 NFSD srvcache 3 68K 3 kdtrace 365 67K 12799 module 518 65K 519 umtx 512 64K 512 ddb_capture 1 64K 1 sctp_stro 47 47K 595 temp 36 40K 3860 sctp_atcl 94 36K 2115 DEVFS3 130 33K 142 hostcache 1 32K 1 shm 1 32K 12 msg 4 30K 4 LRO 28 29K 32 kbdmux 6 28K 6 routetbl 238 22K 865 tcp_fsb_rack 10 21K 444 ifaddr 71 20K 90 DEVFS_RULE 56 20K 56 ufs_mount 4 17K 5 proc 3 17K 3 tty 16 16K 16 ithread 97 16K 97 bus-sc 34 15K 1687 ifnet 8 15K 9 lltable 44 14K 174 eventhandler 163 14K 163 GEOM 75 13K 563 ether_multi 152 13K 287 kenv 95 12K 95 ksem 8 11K 56 plimit 28 11K 490 rman 86 11K 451 CAM queue 5 11K 1528 shmfd 4 10K 18 kqueue 141 10K 6707 cred 36 9K 504 sctp_timw 35 9K 35 in6_multi 65 9K 87 pwddesc 131 9K 6615 rpc 4 9K 4 devstat 4 9K 4 UART 12 9K 12 filemon 1 8K 75 bmsafemap 1 8K 6294 pfs_vncache 1 8K 1 md_disk 2 8K 9 DEVFSP 120 8K 554 audit_evclass 238 8K 300 taskqueue 66 7K 111 kcovinfo 104 7K 130 sglist 6 7K 6 CAM DEV 3 6K 510 sctp_atky 141 6K 2828 pfs_nodes 22 6K 22 ufs_dirhash 24 5K 24 pf_ifnet 12 5K 64 UMA 270 5K 270 proc-args 163 5K 7809 vt 11 5K 11 pf_table 2 4K 39 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 session 28 4K 71 acpisem 28 4K 28 CC Mem 13 4K 725 lockf 29 4K 353 selfd 45 3K 205695 terminal 11 3K 11 uidinfo 6 3K 69 hhook 8 3K 10 clone 9 3K 10 local_apic 1 2K 1 io_apic 1 2K 1 ipsec-saq 2 2K 2 select 16 2K 129 sctp_ifa 15 2K 18 ip6ndp 12 2K 18 Unitno 28 2K 88 CAM XPT 22 2K 543 msi 12 2K 12 in_multi 6 2K 25 pfil 14 2K 14 tun 4 2K 6 toponodes 6 2K 6 sctp_athm 94 2K 2189 sctp_map 94 2K 1162 netlink 3 2K 214 ipsecpolicy 2 2K 2 mount 25 2K 1342 tcp_pcm_rack 5 2K 222 acpidev 20 2K 20 softdep 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 nhops 6 1K 8 vnodemarker 2 1K 66 NFSD session 1 1K 1 CAM periph 4 1K 271 inpcbpolicy 27 1K 1366 sctp_ifn 6 1K 18 ipsec 3 1K 3 mld 6 1K 8 igmp 6 1K 8 isadev 6 1K 6 pci_link 10 1K 10 crypto 4 1K 250 encap_export_host 12 1K 12 osd 18 1K 714 procdesc 4 1K 18 filedesc_to_leader 8 1K 32 cdev 2 1K 2 lkpikmalloc 8 1K 9 pf_osfp 4 1K 7 diradd 3 1K 6085 ip_msource 6 1K 17 chacha20random 1 1K 1 biobuf 1 1K 1 ip6opt 2 1K 136 vnodes 1 1K 31 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 CAM SIM 2 1K 2 feeder 7 1K 7 sctp_aadr 3 1K 31 tcpfunc 3 1K 3 soname 7 1K 5109 loginclass 3 1K 7 prison 6 1K 6 pf_rule 1 1K 37 cryptodev 2 1K 715 nexusdev 8 1K 8 apmdev 1 1K 1 atkbddev 2 1K 2 newdirblk 1 1K 5432 mkdir 1 1K 10864 aio 4 1K 14 iov 2 1K 38915 pmchooks 1 1K 1 CAM path 4 1K 1034 CAM dev queue 2 1K 2 CAM I/O Scheduler 1 1K 1 sctp_vrf 1 1K 1 vnet 1 1K 1 pmc 1 1K 1 filecaps 4 1K 125 sigio 1 1K 7 entropy 2 1K 43 acpiintr 1 1K 1 cpus 2 1K 2 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 freework 1 1K 6636 p1003.1b 1 1K 1 sctp_mcore 0 0K 0 sctp_socko 0 0K 1005 sctp_iter 0 0K 20 sctp_mvrf 0 0K 0 sctp_cpal 0 0K 4 sctp_cmsg 0 0K 0 sctp_stre 0 0K 0 sctp_athi 0 0K 0 sctp_a_it 0 0K 17 sctp_stri 0 0K 142 mqdata 0 0K 0 pf_altq 0 0K 0 pf_krule_item 0 0K 0 pf_temp 0 0K 1524 tcp_do_rack 0 0K 3 ipcomp 0 0K 0 esp 0 0K 0 ah 0 0K 0 madt_table 0 0K 2 smartpqi 0 0K 0 ixl 0 0K 0 ice-resmgr 0 0K 0 ice-osdep 0 0K 0 ice 0 0K 0 iavf 0 0K 0 axgbe 0 0K 0 fpukern_ctx 0 0K 0 xen_intr 0 0K 0 xen_hvm 0 0K 0 legacydrv 0 0K 0 bounce 0 0K 0 busdma 0 0K 0 qpidrv 0 0K 0 dmar_idpgtbl 0 0K 0 dmar_dom 0 0K 0 dmar_ctx 0 0K 0 isci 0 0K 0 iommu_dmamap 0 0K 0 hyperv_socket 0 0K 0 bxe_ilt 0 0K 0 aesni_data 0 0K 0 xenbus 0 0K 0 vm_fictitious 0 0K 0 UMAHash 0 0K 0 vm_pgdata 0 0K 0 jblocks 0 0K 0 savedino 0 0K 1052 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 34 jsegdep 0 0K 0 jseg 0 0K 0 jfreefrag 0 0K 0 jfreeblk 0 0K 0 jnewblk 0 0K 0 jmvref 0 0K 0 jremref 0 0K 0 jaddref 0 0K 0 freedep 0 0K 0 dirrem 0 0K 6053 freefile 0 0K 5927 freeblks 0 0K 5634 freefrag 0 0K 190 allocindir 0 0K 0 indirdep 0 0K 1277 allocdirect 0 0K 0 ufs_trim 0 0K 0 mactemp 0 0K 0 audit_trigger 0 0K 0 audit_pipe_presel 0 0K 0 audit_pipeent 0 0K 0 audit_pipe 0 0K 0 audit_evname 0 0K 0 audit_bsm 0 0K 0 audit_gidset 0 0K 0 audit_text 0 0K 0 audit_path 0 0K 0 audit_data 0 0K 0 audit_cred 0 0K 0 ktls_ocf 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5E_TLS_RX 0 0K 0 MLX5EEPROM 0 0K 0 MLX5E_TLS 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EN 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5DUMP 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 simple_attr 0 0K 0 seq_file 0 0K 0 lkpiskb 0 0K 0 radix 0 0K 0 idr 0 0K 0 lkpindev 0 0K 0 lkpimhi 0 0K 0 lkpifw 0 0K 0 lkpi80211 0 0K 0 NLM 0 0K 0 ipsec-spdcache 0 0K 0 ipsec-reg 0 0K 0 ipsec-misc 0 0K 4 ipsecrequest 0 0K 0 ip6_msource 0 0K 0 ip6_moptions 0 0K 12 in6_mfilter 0 0K 3 frag6 0 0K 4 tcplog 0 0K 0 tcp_hwpace 0 0K 0 ip_moptions 0 0K 35 in_mfilter 0 0K 43 ipid 0 0K 0 80211scan 0 0K 0 80211ratectl 0 0K 0 80211power 0 0K 0 80211nodeie 0 0K 0 80211node 0 0K 0 80211mesh_gt 0 0K 0 80211mesh_rt 0 0K 0 80211perr 0 0K 0 80211prep 0 0K 0 80211preq 0 0K 0 80211dfs 0 0K 0 80211crypto 0 0K 0 80211vap 0 0K 0 iflib 0 0K 0 vlan 0 0K 0 gif 0 0K 0 ifdescr 0 0K 0 zlib 0 0K 20 fadvise 0 0K 0 VN POLL 0 0K 29 statfs 0 0K 223 namei_tracker 0 0K 15 export_host 0 0K 0 cl_savebuf 0 0K 62 lio 0 0K 82 acl 0 0K 0 mbuf_tag 0 0K 0 ktls 0 0K 0 accf 0 0K 0 pts 0 0K 0 timerfd 0 0K 0 ioctlops 0 0K 264 eventfd 0 0K 23 Witness 0 0K 0 stack 0 0K 0 sbuf 0 0K 466 firmware 0 0K 0 compressor 0 0K 0 SWAP 0 0K 0 sysctltmp 0 0K 768 sysctl 0 0K 3 ekcd 0 0K 0 dumper 0 0K 0 sendfile 0 0K 2 rctl 0 0K 0 cache 0 0K 0 prison_racct 0 0K 0 Fail Points 0 0K 0 pwd 0 0K 0 tty console 0 0K 0 boottrace 0 0K 0 isofs_node 0 0K 0 isofs_mount 0 0K 0 tr_raid5_data 0 0K 0 tr_raid1e_data 0 0K 0 tr_raid1_data 0 0K 0 tr_raid0_data 0 0K 0 tr_concat_data 0 0K 0 md_sii_data 0 0K 0 md_promise_data 0 0K 0 md_nvidia_data 0 0K 0 md_jmicron_data 0 0K 0 md_intel_data 0 0K 0 md_ddf_data 0 0K 0 raid_data 0 0K 84 geom_flashmap 0 0K 0 tmpfs dir 0 0K 0 tmpfs name 0 0K 0 tmpfs mount 0 0K 0 tmpfs extattr 0 0K 0 NFS FHA 0 0K 0 newnfsmnt 0 0K 0 newnfsclient_req 0 0K 0 NFSCL layrecall 0 0K 0 NFSCL session 0 0K 0 NFSCL sockreq 0 0K 0 NFSCL devinfo 0 0K 0 NFSCL flayout 0 0K 0 NFSCL layout 0 0K 0 NFSD rollback 0 0K 0 NFSCL diroff 0 0K 0 NEWNFSnode 0 0K 0 NFSCL lck 0 0K 0 NFSCL lckown 0 0K 0 NFSCL client 0 0K 0 NFSCL deleg 0 0K 0 NFSCL open 0 0K 0 NFSCL owner 0 0K 0 NFS fh 0 0K 0 NFS req 0 0K 0 NFSD usrgroup 0 0K 0 NFSD string 0 0K 0 NFSD V4lock 0 0K 0 NFSD V4state 0 0K 0 msdosfs_fat 0 0K 0 msdosfs_mount 0 0K 0 msdosfs_node 0 0K 0 DEVFS4 0 0K 0 DEVFS2 0 0K 0 gntdev 0 0K 0 privcmd_dev 0 0K 0 evtchn_dev 0 0K 0 xenstore 0 0K 0 xnb 0 0K 0 xen_acpi 0 0K 0 xbbd 0 0K 0 xbd 0 0K 0 Balloon 0 0K 0 sysmouse 0 0K 0 vtfont 0 0K 0 pvscsi 0 0K 0 USBdev 0 0K 0 USB 0 0K 0 twsbuf 0 0K 0 tcp_log_dev 0 0K 27 midi buffers 0 0K 0 mixer 0 0K 0 ac97 0 0K 0 hdacc 0 0K 0 hdac 0 0K 0 hdaa 0 0K 0 SIIS driver 0 0K 0 PUC 0 0K 0 ppbusdev 0 0K 0 sr_iov 0 0K 0 OCS 0 0K 0 OCS 0 0K 0 nvme 0 0K 0 nvd 0 0K 0 netmap 0 0K 0 mwldev 0 0K 0 MVS driver 0 0K 0 mrsasbuf 0 0K 0 mpt_user 0 0K 0 mps_user 0 0K 0 MPSSAS 0 0K 0 mps 0 0K 0 mpr_user 0 0K 0 MPRSAS 0 0K 0 mpr 0 0K 0 mfibuf 0 0K 0 md_sectors 0 0K 0 malodev 0 0K 0 LED 0 0K 0 ix_sriov 0 0K 0 ix 0 0K 0 ipsbuf 0 0K 0 ciss_data 0 0K 0 BACKLIGHT 0 0K 0 ath_hal 0 0K 0 athdev 0 0K 0 ata_pci 0 0K 0 ata_dma 0 0K 0 ata_generic 0 0K 0 AHCI driver 0 0K 0 agp 0 0K 0 acpipwr 0 0K 0 acpi_perf 0 0K 0 acpicmbat 0 0K 0 aacraidcam 0 0K 0 aacraid_buf 0 0K 0 aaccam 0 0K 0 aacbuf 0 0K 0 zstd 0 0K 0 XZ_DEC 0 0K 0 nvlist 0 0K 31 SCSI ENC 0 0K 0 SCSI sa 0 0K 0 scsi_pass 0 0K 0 scsi_da 0 0K 69 ata_da 0 0K 0 scsi_ch 0 0K 0 scsi_cd 0 0K 0 nvme_da 0 0K 0 CAM CCB 0 0K 523 CAM ccb queue 0 0K 0 db> show uma Zone Size Used Free Requests Sleeps Bucket Total Mem XFree mbuf_jumbo_page 4096 8321 1077 44594 0 254 38494208 0 mbuf 256 8831 2857 188062 0 254 2992128 0 mbuf_cluster 2048 762 508 764 0 254 2600960 0 BUF TRIE 144 211 11577 4535 0 62 1697472 0 malloc-384 384 4174 56 4238 0 30 1624320 0 malloc-16384 16384 76 23 5634 0 1 1622016 0 malloc-128 128 11875 246 12732 0 126 1551488 0 malloc-4096 4096 337 5 528 0 2 1400832 0 RADIX NODE 144 9044 219 125802 0 62 1333872 0 UMA Slabs 0 112 11675 19 11675 0 126 1309728 0 sctp_asoc 2256 47 463 579 0 254 1150560 0 vmem btag 56 17941 98 17941 0 254 1010184 0 malloc-65536 65536 11 1 15 0 1 786432 0 FFS inode 1168 607 37 6592 0 8 752192 0 malloc-4096 4096 143 19 7475 0 2 663552 0 VM OBJECT 264 2147 103 82302 0 30 594000 0 sctp_ep 1152 47 464 1465 0 254 588672 0 socket 1024 58 450 4376 0 254 520192 0 lkpicurr 168 2 3094 2 0 62 520128 0 pbuf 2624 0 198 0 0 2 519552 0 THREAD 1824 230 26 6342 0 8 466944 0 256 Bucket 2048 204 20 1481 0 8 458752 0 malloc-65536 65536 0 6 239 0 1 393216 0 MAP ENTRY 96 3530 502 237554 0 126 387072 0 sctp_raddr 736 50 467 778 0 254 380512 0 VNODE 440 647 109 6636 0 30 332640 0 malloc-64 64 4431 168 11138 0 254 294336 0 malloc-384 384 6 684 6366 0 30 264960 0 malloc-65536 65536 4 0 4 0 1 262144 0 malloc-2048 2048 112 16 396 0 8 262144 0 malloc-2048 2048 54 66 1490 0 8 245760 0 malloc-16 16 14729 271 17766 0 254 240000 0 FPU_save_area 832 232 47 11674 0 16 232128 0 malloc-32768 32768 6 1 126 0 1 229376 0 PROC 1376 133 32 6455 0 8 227040 0 DEVCTL 1024 41 179 180 0 0 225280 0 tcp_log 416 0 513 690 0 254 213408 0 malloc-256 256 488 322 35892 0 62 207360 0 malloc-32768 32768 0 6 1135 0 1 196608 0 mbuf_packet 256 73 689 27665 0 254 195072 0 malloc-128 128 1245 274 39731 0 126 194432 0 malloc-256 256 48 702 9174 0 62 192000 0 malloc-32 32 5451 471 11740 0 254 189504 0 UMA Zones 768 242 2 242 0 16 187392 0 malloc-128 128 550 845 10272 0 126 178560 0 FFS2 dinode 256 607 83 6592 0 62 176640 0 lkpimm 56 1 3095 1 0 254 173376 0 filedesc0 1072 131 30 6615 0 8 172592 0 sctp_chunk 152 45 995 1375 0 254 158080 0 malloc-2048 2048 3 69 1166 0 8 147456 0 malloc-1024 1024 130 14 157 0 16 147456 0 S VFS Cache 104 1026 378 7087 0 126 146016 0 malloc-65536 65536 0 2 118 0 1 131072 0 malloc-65536 65536 0 2 10 0 1 131072 0 malloc-1024 1024 59 69 582 0 16 131072 0 unpcb 256 23 487 1439 0 254 130560 0 128 Bucket 1024 71 44 451 0 16 117760 0 ksiginfo 112 154 890 475 0 126 116928 0 malloc-384 384 154 146 2762 0 30 115200 0 malloc-16384 16384 3 4 11 0 1 114688 0 VMSPACE 616 106 56 6385 0 16 99792 0 malloc-32768 32768 1 2 13 0 1 98304 0 malloc-4096 4096 19 3 2362 0 2 90112 0 UMA Kegs 384 228 5 228 0 30 89472 0 64 Bucket 512 101 67 5390 0 30 86016 0 g_bio 408 0 210 27520 0 30 85680 0 ertt_txseginfo 40 1 2120 19816 0 254 84840 0 malloc-64 64 73 1250 243737 0 254 84672 0 malloc-128 128 529 122 1314 0 126 83328 0 malloc-16384 16384 1 4 5 0 1 81920 0 malloc-8192 8192 8 2 29 0 1 81920 0 malloc-384 384 166 44 514 0 30 80640 0 malloc-8192 8192 7 2 90 0 1 73728 0 malloc-4096 4096 17 1 77 0 2 73728 0 malloc-64 64 540 531 2028 0 254 68544 0 malloc-65536 65536 1 0 1 0 1 65536 0 malloc-65536 65536 1 0 1 0 1 65536 0 malloc-32768 32768 0 2 8 0 1 65536 0 malloc-8192 8192 3 5 79 0 1 65536 0 malloc-256 256 77 178 1526 0 62 65280 0 malloc-256 256 21 234 7757 0 62 65280 0 32 Bucket 256 119 136 6848 0 62 65280 0 tcp_inpcb 1320 13 35 700 0 8 63360 0 sctp_stream_msg_out 112 7 533 159 0 254 60480 0 malloc-64 64 340 479 372 0 254 52416 0 malloc-64 64 261 558 8062 0 254 52416 0 malloc-128 128 1 402 5775 0 126 51584 0 malloc-128 128 113 290 6627 0 126 51584 0 malloc-256 256 2 193 1180 0 62 49920 0 malloc-256 256 127 68 927 0 62 49920 0 DIRHASH 1024 35 13 35 0 16 49152 0 NAMEI 1024 0 48 40175 0 16 49152 0 malloc-1024 1024 10 38 984 0 16 49152 0 pipe 736 29 37 510 0 16 48576 0 pcpu-8 8 4919 713 6847 0 254 45056 0 PWD 40 85 1026 5393 0 254 44440 0 syncache 168 0 264 3 0 254 44352 0 Files 80 273 277 18488 0 126 44000 0 TURNSTILE 136 257 58 257 0 62 42840 0 rl_entry 48 22 818 603 0 254 40320 0 sctp_readq 152 0 260 60 0 254 39520 0 da_ccb 544 0 70 6965 0 16 38080 0 udplite_inpcb 416 0 90 58 0 30 37440 0 udp_inpcb 416 10 80 386 0 30 37440 0 hostcache 64 5 562 5 0 254 36288 0 malloc-64 64 165 402 605 0 254 36288 0 malloc-64 64 154 413 34713 0 254 36288 0 malloc-64 64 132 435 998 0 254 36288 0 16 Bucket 144 73 179 571 0 62 36288 0 tcp_bbr_map 128 2 277 1459 0 126 35712 0 tcp_rack_map 128 11 268 867 0 126 35712 0 malloc-128 128 117 162 873 0 126 35712 0 malloc-128 128 78 201 82 0 126 35712 0 routing nhops 256 28 107 45 0 62 34560 0 ripcb 384 4 86 222 0 30 34560 0 ttyoutq 256 72 63 160 0 62 34560 0 malloc-384 384 48 42 71 0 30 34560 0 malloc-256 256 51 84 916 0 62 34560 0 malloc-256 256 51 84 131 0 62 34560 0 SLEEPQUEUE 88 257 127 257 0 126 33792 0 malloc-32768 32768 0 1 1 0 1 32768 0 malloc-32768 32768 1 0 1 0 1 32768 0 malloc-32768 32768 0 1 1 0 1 32768 0 malloc-16384 16384 2 0 2 0 1 32768 0 malloc-8192 8192 3 1 45 0 1 32768 0 malloc-8192 8192 3 1 4 0 1 32768 0 malloc-4096 4096 3 5 19 0 2 32768 0 malloc-2048 2048 15 1 24 0 8 32768 0 malloc-2048 2048 2 14 47 0 8 32768 0 malloc-2048 2048 5 11 52 0 8 32768 0 malloc-2048 2048 4 12 203 0 8 32768 0 malloc-1024 1024 12 20 36 0 16 32768 0 malloc-1024 1024 5 27 195 0 16 32768 0 malloc-1024 1024 11 21 15 0 16 32768 0 malloc-1024 1024 1 31 1357 0 16 32768 0 malloc-512 512 0 64 7 0 30 32768 0 malloc-512 512 10 54 100 0 30 32768 0 malloc-512 512 1 63 510 0 30 32768 0 malloc-512 512 6 58 263 0 30 32768 0 malloc-512 512 6 58 138 0 30 32768 0 malloc-512 512 8 56 10 0 30 32768 0 malloc-512 512 0 64 18 0 30 32768 0 pcpu-64 64 492 20 492 0 254 32768 0 tcp_bbr_pcb 896 1 35 180 0 16 32256 0 tcp_rack_pcb 1152 5 23 222 0 8 32256 0 ipq 56 0 576 2 0 254 32256 0 ttyinq 160 135 65 300 0 62 32000 0 tcp_log_id_node 120 0 264 9 0 126 31680 0 PGRP 120 38 226 96 0 126 31680 0 clpbuf 2624 0 12 39 0 4 31488 0 sctp_laddr 48 61 527 669 0 254 28224 0 malloc-32 32 276 606 587 0 254 28224 0 malloc-32 32 331 551 2364 0 254 28224 0 4 Bucket 48 6 582 8 0 254 28224 0 2 Bucket 32 97 785 1203 0 254 28224 0 AIO 208 1 132 121 0 62 27664 0 mqnode 416 4 59 4 0 30 26208 0 cpuset 200 7 121 26 0 62 25600 0 tcp_log_id_bucket 176 0 138 9 0 62 24288 0 rtentry 168 30 114 45 0 62 24192 0 8 Bucket 80 75 225 1403 0 126 24000 0 itimer 352 2 64 24 0 30 23232 0 malloc-384 384 6 54 32 0 30 23040 0 malloc-384 384 0 60 1277 0 30 23040 0 malloc-384 384 2 58 2 0 30 23040 0 domainset 40 0 567 15 0 254 22680 0 Mountpoints 2816 2 6 22 0 4 22528 0 udplite_inpcb ports 32 0 630 14 0 254 20160 0 udp_inpcb ports 32 3 627 104 0 254 20160 0 tcp_inpcb ports 32 7 623 311 0 254 20160 0 ertt 72 13 267 700 0 126 20160 0 malloc-32 32 141 489 296 0 254 20160 0 malloc-32 32 53 577 300 0 254 20160 0 malloc-32 32 87 543 4489 0 254 20160 0 malloc-32 32 6 624 1128 0 254 20160 0 cryptop 280 0 70 70 0 30 19600 0 AIOCB 552 0 35 103 0 16 19320 0 L VFS Cache 320 0 60 55 0 30 19200 0 AIOLIO 272 0 70 41 0 30 19040 0 vmem 1856 2 7 2 0 8 16704 0 epoch_record pcpu 256 4 60 4 0 62 16384 0 malloc-16384 16384 1 0 1 0 1 16384 0 malloc-16384 16384 0 1 2 0 1 16384 0 malloc-16384 16384 0 1 1 0 1 16384 0 malloc-4096 4096 0 4 4 0 2 16384 0 malloc-4096 4096 1 3 10 0 2 16384 0 malloc-2048 2048 3 5 195 0 8 16384 0 malloc-1024 1024 0 16 44 0 16 16384 0 malloc-512 512 3 29 7 0 30 16384 0 SMR CPU 32 8 503 8 0 254 16352 0 sctp_asconf_ack 48 0 336 7 0 254 16128 0 vtnet_tx_hdr 24 0 668 20646 0 254 16032 0 pf frags 248 0 64 1 0 62 15872 0 mqueue 248 1 63 1 0 62 15872 0 mqnotifier 216 0 72 1 0 62 15552 0 kenv 258 17 43 1085 0 30 15480 0 SMR SHARED 24 8 503 8 0 254 12264 0 malloc-32 32 12 366 65405 0 254 12096 0 KNOTE 160 0 75 157 0 62 12000 0 malloc-16 16 122 628 7222 0 254 12000 0 malloc-16 16 43 707 1443 0 254 12000 0 malloc-16 16 18 732 73298 0 254 12000 0 malloc-16 16 124 626 2969 0 254 12000 0 malloc-16 16 37 713 67 0 254 12000 0 malloc-16 16 278 472 28438 0 254 12000 0 malloc-16 16 119 631 2138 0 254 12000 0 tfo_ccache_entries 80 1 127 1 0 126 10240 0 malloc-8192 8192 1 0 1 0 1 8192 0 malloc-8192 8192 1 0 1 0 1 8192 0 malloc-8192 8192 1 0 1 0 1 8192 0 malloc-4096 4096 1 1 1 0 2 8192 0 pcpu-16 16 8 504 8 0 254 8192 0 pf frag entries 40 0 101 3 0 8 4040 0 UMA Slabs 1 176 10 12 10 0 62 3872 0 KMAP ENTRY 96 12 27 17 0 0 3744 0 tfo 4 0 493 1 0 254 1972 0 splice 184 0 0 0 0 62 0 0 FFS1 dinode 128 0 0 0 0 126 0 0 ada_ccb 272 0 0 0 0 30 0 0 swblk 136 0 0 0 0 62 0 0 swpctrie 144 0 0 0 0 62 0 0 cdg_qdiffsample 16 0 0 0 0 254 0 0 pf state scrubs 40 0 0 0 0 254 0 0 pf table entries 160 0 0 0 0 254 0 0 pf table entry counters 64 0 0 0 0 254 0 0 pf UDP mappings 104 0 0 0 0 126 0 0 pf source nodes 152 0 0 0 0 254 0 0 pf state keys 88 0 0 0 0 126 0 0 pf states 368 0 0 0 0 254 0 0 pf tags 104 0 0 0 0 126 0 0 pf mtags 184 0 0 0 0 62 0 0 sackhole 32 0 0 0 0 254 0 0 sctp_asconf 40 0 0 0 0 254 0 0 tcpreass 48 0 0 0 0 254 0 0 ripcb ports 32 0 0 0 0 254 0 0 IPsec SA lft_c 16 0 0 0 0 254 0 0 mvdata 64 0 0 0 0 254 0 0 TMPFS node 240 0 0 0 0 62 0 0 NCLNODE 608 0 0 0 0 16 0 0 LTS VFS Cache 360 0 0 0 0 30 0 0 STS VFS Cache 144 0 0 0 0 62 0 0 linux_dma_object 32 0 0 0 0 254 0 0 linux_dma_pctrie 144 0 0 0 0 62 0 0 IOMMU_MAP_ENTRY 104 0 0 0 0 126 0 0 mbuf_jumbo_16k 16384 0 0 0 0 254 0 0 mbuf_jumbo_9k 9216 0 0 0 0 254 0 0 audit_record 1280 0 0 0 0 8 0 0 MAC labels 40 0 0 0 0 254 0 0 vnpbuf 2624 0 0 0 0 16 0 0 nfspbuf 2624 0 0 0 0 4 0 0 swwbuf 2624 0 0 0 0 2 0 0 swrbuf 2624 0 0 0 0 4 0 0 umtx_shm 88 0 0 0 0 126 0 0 umtx pi 96 0 0 0 0 126 0 0 rangeset pctrie nodes 144 0 0 0 0 62 0 0 malloc-65536 65536 0 0 0 0 1 0 0 malloc-32768 32768 0 0 0 0 1 0 0 malloc-16384 16384 0 0 0 0 1 0 0 pcpu-32 32 0 0 0 0 254 0 0 pcpu-4 4 0 0 0 0 254 0 0 fakepg 104 0 0 0 0 126 0 0 UMA Hash 256 0 0 0 0 62 0 0