last executing test programs: 14.512532765s ago: executing program 0 (id=1297): r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_tcp_buf(r0, 0x6, 0x2001, 0x0, &(0x7f00000000c0)) 14.354226495s ago: executing program 0 (id=1309): r0 = socket$inet(0x2, 0x3, 0xff) getsockopt(r0, 0x0, 0xa, 0x0, 0x0) 13.874855119s ago: executing program 0 (id=1322): r0 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_int(r0, 0x0, 0x44, 0x0, &(0x7f0000000400)) 13.873412073s ago: executing program 0 (id=1329): r0 = socket(0x11, 0x10000000000003, 0x0) sendto$unix(r0, &(0x7f0000000380)="b10005019000e8fb470308c75786ca900f0e08fecea11ea8fef96ec2c73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa79230000f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282934e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f6e006ee01be657aea8c5000000020000000000000a0200a300a3f8000000000000000000010090d2c4e5187c00", 0xb1, 0x2008c, 0x0, 0x0) 13.721916365s ago: executing program 0 (id=1339): freebsd11_mknod(&(0x7f0000000280)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x672cda28f543e327, 0x3) openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x200201, 0x0) 13.497707791s ago: executing program 0 (id=1349): socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)=[{0xc, 0x33, 0x7f}], 0xc}, 0x80) 13.410409874s ago: executing program 32 (id=1349): socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)=[{0xc, 0x33, 0x7f}], 0xc}, 0x80) 968.984084ms ago: executing program 2 (id=2103): r0 = socket$inet6_udplite(0x1c, 0x2, 0x88) setsockopt$sock_int(r0, 0xffff, 0x1014, &(0x7f0000000000)=0x6, 0x4) 942.504155ms ago: executing program 2 (id=2104): munmap(&(0x7f00008db000/0x1000)=nil, 0x1000) msync(&(0x7f0000860000/0x600000)=nil, 0x600000, 0x2) 915.923533ms ago: executing program 2 (id=2108): r0 = fork() wait4(r0, &(0x7f0000000080), 0x1, &(0x7f00000000c0)) 893.866361ms ago: executing program 2 (id=2110): r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) setsockopt$sock_int(r0, 0xffff, 0x8000, &(0x7f0000000000), 0x4) 857.697031ms ago: executing program 2 (id=2113): r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_buf(r0, 0x6, 0x401, 0x0, 0x0) 834.941476ms ago: executing program 2 (id=2116): sysarch$I386_SET_LDT(0x1, &(0x7f0000000040)={0x6, &(0x7f0000000140)}) vfork() 305.249883ms ago: executing program 3 (id=2170): r0 = fork() sigqueue(r0, 0x80000053, @sival_ptr=0xffffffff) 262.698485ms ago: executing program 4 (id=2172): r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_RXTLS_ENABLE(r0, 0x6, 0x29, &(0x7f00000001c0)={&(0x7f0000000100)="01", 0x0, 0x0, 0x19, 0x1, 0x0, 0x1a, 0xfffffffffffffef4, 0x11, 0x3, 0x3}, 0x40) 224.139373ms ago: executing program 4 (id=2174): r0 = socket$inet6_udp(0x1c, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x52, &(0x7f0000002f00)={0xfff, {{0x1c, 0x1c, 0x1, 0x1c1a, @empty}}, {{0x1c, 0x1c, 0x3, 0x28, @loopback, 0xfffffffe}}}, 0x123) 221.2535ms ago: executing program 3 (id=2175): r0 = openat$bpf(0xffffff9c, &(0x7f0000000180), 0x200, 0x0) fcntl$setstatus(r0, 0x4, 0x40) 215.521279ms ago: executing program 1 (id=2176): r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$inet_mreqn(r0, 0x0, 0x4b, 0x0, 0x0) 117.679901ms ago: executing program 3 (id=2177): r0 = socket(0x11, 0x10000000000003, 0x0) sendto$unix(r0, &(0x7f0000000140)="b10005019000e803480308c75786ca900f0e08fe0400000000000000c73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa79230000f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff3728b770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01be657aea8c500000002000000000000020200a300a3f8000000000000000000010090d2c4e5187c00"/177, 0xb1, 0x0, 0x0, 0x0) 114.87204ms ago: executing program 1 (id=2178): r0 = getpid() procctl$PROC_REAP_RELEASE(0x0, r0, 0x3, 0x3) 107.337602ms ago: executing program 4 (id=2179): r0 = socket(0x1c, 0x1, 0x0) setsockopt$inet6_IPV6_RTHDR(r0, 0x29, 0x33, &(0x7f0000000100)=ANY=[], 0x58) 97.147287ms ago: executing program 1 (id=2180): r0 = openat$md(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$MDIOCATTACH(r0, 0xc1c06d00, &(0x7f00000000c0)={0x0, 0xff, 0x2, 0x0, 0x10010000, 0x0, 0x3e, 0x6, 0x0, 0xfffffffd, 0x0, [0x5, 0x23200000, 0x800000, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x5, 0x400, 0xfffffffe, 0x0, 0x5, 0xfffffffc, 0x2, 0x100, 0x0, 0x80000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x40000101, 0x0, 0x0, 0x0, 0x0, 0xfff, 0x2, 0x0, 0x0, 0x1000000, 0x0, 0x0, 0x0, 0xffffffff, 0x0, 0x0, 0x0, 0x4, 0x0, 0x7ffffffe, 0x1, 0x0, 0xffffbffc, 0xfffffffb, 0x1, 0x1, 0x0, 0x8, 0xffffffff, 0x8, 0x4, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x80000, 0x0, 0x0, 0x8, 0x0, 0x1, 0x4006b7, 0x3, 0x0, 0x4000, 0x2, 0x0, 0x0, 0x0, 0x0, 0x6a3]}) 94.48817ms ago: executing program 3 (id=2181): symlink(&(0x7f0000004940)='./file0\x00', &(0x7f0000004980)='./file0\x00') freebsd11_lstat(&(0x7f00000049c0)='./file0\x00', &(0x7f0000004a00)) 73.836819ms ago: executing program 1 (id=2182): r0 = socket(0x11, 0x3, 0x0) sendto$unix(r0, &(0x7f0000000740)="b100050390000000051208000700ca900f0e08fecea11ea8fef968f3c73fd3357afdeb2c0900852e126336acf00b7804be781e4991f7addf5f882b2b7be1aa7923ed00f4c8b2ca3ebbc259699a1f132e27acb5d602000d7d026ba8af63ff37282934e4fd89720fd3872babfbb77008f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01be657aea8c5000000020000000000000f0200a371a3f80000feffffffffffff010000000000000000", 0xb1, 0x0, 0x0, 0x0) 72.76977ms ago: executing program 4 (id=2183): mlock(&(0x7f0000ffb000/0x4000)=nil, 0x4000) mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x7, 0x1010, 0xffffffffffffffff, 0x0) 58.80537ms ago: executing program 3 (id=2184): r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_int(r0, 0x0, 0x43, &(0x7f0000000b40)=0x8, 0x4) 51.375541ms ago: executing program 4 (id=2185): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x200201, 0xc) readv(r0, 0x0, 0x0) 46.453206ms ago: executing program 1 (id=2186): r0 = openat$md(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$MDIOCRESIZE(r0, 0xc1c06d04, &(0x7f0000000040)={0x0, 0x300, 0x0, 0x0, 0x4000000000000000, 0x0, 0x4, 0x0, 0x80000001, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000, 0x0, 0x5, 0xffffffff, 0x9, 0x0, 0x8, 0x2, 0xfffffffe, 0x0, 0x0, 0x0, 0x7, 0xde1, 0xfffffffe, 0x176a6, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0xfffffffe, 0x5, 0xfffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x96, 0x0, 0xffffffff, 0xfffffffc, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0xfffffffd, 0x800, 0xfffffff1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x1, 0x0, 0xfffffffd, 0x8, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000]}) 9.39275ms ago: executing program 1 (id=2187): r0 = socket(0x11, 0x3, 0x0) setsockopt$sock_int(r0, 0xffff, 0x1015, &(0x7f00000000c0)=0x5e, 0x4) 4.034329ms ago: executing program 3 (id=2188): r0 = socket$inet6(0x1c, 0x2, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x85, &(0x7f0000002300)={0x1c, 0x1c, 0x0, 0xda, @mcast2, 0x2}, 0x1c) 0s ago: executing program 4 (id=2189): openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x200201, 0x0) truncate(&(0x7f0000000040)='./file0\x00', 0xaa480) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.80' (ED25519) to the list of known hosts. UDP6: M_MCAST is set in a unicast packet. Sep 18 05:51:04 ci-freebsd-i386-4 kernel: attempted source route from 224.0.0.2 to 172.20.1.187 Sep 18 05:51:04 ci-freebsd-i386-4 kernel: arp: aa:aa:aa:aa:aa:bb is using my IP address 172.20.1.170 on tap1! Jan 1 00:00:04 ci-freebsd-i386-4 kernel: arp: 00:00:00:00:00:00 attempts to modify permanent entry for 172.20.2.187 on tap2 Jan 1 00:00:06 ci-freebsd-i386-4 kernel: nd6_na_input: duplicate IP6 address fe80:4::1aa Jan 1 00:00:06 ci-freebsd-i386-4 kernel: attempted source route from 255.255.255.255 to 172.20.1.170 Jan 1 00:00:08 ci-freebsd-i386-4 kernel: arp: aa:aa:aa:aa:aa:bb is using my IP address 172.20.1.170 on tap1! Jan 1 00:00:09 ci-freebsd-i386-4 kernel: arp: 4c:6f:a5:7c:30:6b attempts to modify permanent entry for 172.20.2.187 on tap2 Jan 1 00:00:11 ci-freebsd-i386-4 kernel: nd6_na_input: duplicate IP6 address fe80:4::1aa if_delmulti_locked: detaching ifnet instance 0xfffffe0007a46800 md3: truncating fractional last sector by 129 bytes md4: truncating fractional last sector by 129 bytes ip6_ctloutput: mbuf limit hit FreeBSD/amd64 (ci-freebsd-i386-4.us-central1-b.c.syzkaller.internal) (ttyu0) login: set $lines = 0 Password: Login incorrect login: show registers Password: Login incorrect login: ps Jan 1 00:05:42 ci-freebsd-i386-4 login[747]: 2 LOGIN FAILURES ON ttyu0 Password: Login incorrect login: show malloc Password: Login incorrect show all tcpcbs/bl