last executing test programs: 5.187601874s ago: executing program 0 (id=705): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0xab) extattr_set_link(&(0x7f0000000000)='./file0\x00', 0x1, &(0x7f00000001c0)='\x90\xcf\xa3+\x00-=\\5\x81\xb2(\x8c&\xd9D\xbe\x97\xc7\"\xde\"\rZ\x04\x1eC\xd3\xcb&\xb6\xc9:PM\x16SU\xef\xe8\xd6T\\\x93\x1f\xce\x19\xa1#Y\x1c\f\xfa\\07\x11\xd1=\xb1\xc5\x9d\x04\xaeQ\x02j\\\xa6?\xf2\x01O\xd6\xcc\xed[a\xf8u}\xad\x9a\xb8\x1d\x11\a\xa4\xf4o\xce \xe7\xafsZ\xb1.P\xa5\xc6.\xe9\"w$\x0f\xda\x81f\x83M&\x99\xcfn\xae\xe1*\x1a\xb9g\xabb9x\\\a\xf6\xcap\xbf\xe8?\xf5D\xad@\xe3\x13\xb3\xea\xecS\x1c6\xb4\xd9\xd7$/\x8bU\xe1\x88/C\xba\xb4}\x88\'+X\xf2R\xe1\x14\x81Q\xc0\xfb\x0f\xc8n\xa2\xecq\x94\xcf&\xcc\xe3\x11\xe1\xe2Q\xbc\xd4.4\xc1\xed\xac\xa8\x95\xb8\x99\xe7\x1c', 0x0, 0x0) extattr_set_link(&(0x7f0000000580)='./file0\x00', 0x2, &(0x7f00000004c0)=',,\x00\xac\xe7\x8a\xb1\x9buz\xa8:\x86\x1f\x8c@\x05\xfa\x85%\xfd\x1a\xf1\xc4\x98\xa0-\xf7\x9f\xd7&B0\x1enk\xf1\x03y*\xbc\x9b\xe9m\x015\xbfq\x03\xf2-\xd5\x97zu*W\x19K\xf73\xa2ik\xbeWw\x16\x06\x96\xcd\xach\x87\xf0\xb5\xc4\x12c\x1a\x01\xf9\xbaL5[\xebi\x97\xa9\x83L=6\x03\xec\\\xa0S\xb0\x15a\xc3a\"\x11\xd3\xfe\x1a\nO\xcc\xddQ\xc6\xb2\xfb\xab\xfb\x84\xfc*\xc1L1?\xa5\x95\xcah~L\xb1!gOr#+\x11\xf7t?\xffI\x14*\b\xf4\xf4\x01W/\x10\v\x11\xc4\b\x90\x00\xf6\v\xb2?( \x80\x1d\x94\xaa\xe8\r\xcbxO\xac\',\xe5E\xc7\x0e\x05\xd2\xe9\xf6l\xbc\xc7o+', 0x0, 0x0) extattr_list_link(&(0x7f00000000c0)='./file0\x00', 0x2, 0x0, 0x0) 4.655808868s ago: executing program 0 (id=707): r0 = socket(0x26, 0x2, 0x0) setsockopt$sock_int(r0, 0xffff, 0x1001, &(0x7f0000000000)=0x1, 0x4) sendto(r0, &(0x7f00000000c0)="154d9cc7e264ce01fd1c248cf030705f", 0x10, 0x80, 0x0, 0x0) setsockopt$inet6_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f00000001c0)={@in={{0x10, 0x2, 0x0, @multicast2}}, 0x0, 0xf469, 0x0, 0x291, 0x8, 0x3, 0xff}, 0x98) 4.418482131s ago: executing program 3 (id=708): r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) connect$inet(r0, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10) sendmsg$inet6_sctp(r0, 0x0, 0x0) 3.338593946s ago: executing program 3 (id=715): r0 = socket$inet6_tcp(0x1c, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x1b, &(0x7f0000000240), 0x4) setsockopt$inet6_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'rack\x00'}, 0x24) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000180)={0x1c, 0x1c, 0x0, 0x0, @ipv4, 0x81}, 0x1c) 2.729499814s ago: executing program 3 (id=717): r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000100)={'bbr\x00'}, 0x32) setsockopt$inet_tcp_int(r0, 0x6, 0x43b, &(0x7f0000000180), 0x4) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x28, 0x2, 0x3, @rand_addr=0x10dfa767}, 0x10) 2.726982459s ago: executing program 1 (id=718): r0 = socket$inet6(0x1c, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="ff070a791b4375202b5c2baf2781e604"}, 0x1c) connect$inet6(r0, &(0x7f00000000c0)={0x1c, 0x1c, 0x3, 0x0, @rand_addr="0000000000114b70380dbb00086000"}, 0x1c) sendto(r0, 0x0, 0x0, 0x80, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x0, 0x2, @rand_addr="3fba4cfe33b17f043f336196144fb0ab", 0x1}, 0x1c) 2.710252777s ago: executing program 0 (id=720): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000880)=[{0x0}, {0x0}, {0x0}, {&(0x7f00000004c0)}], 0x4, 0x0, 0x24, 0x8}, 0x20000) kmq_notify(0xffffffffffffffff, &(0x7f0000000040)={0x1, 0x4, @sigval_ptr=0x3, @spare=[0x5, 0xffff, 0x1, 0x5, 0xfa, 0x200ffff, 0x8, 0x1]}) ioctl$DIOCCHANGERULE(r0, 0xcbe0441a, &(0x7f0000000040)) 2.362873355s ago: executing program 3 (id=721): r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) r1 = socket$inet_sctp(0x2, 0x1, 0x84) r2 = dup2(r1, r0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x32, &(0x7f0000000000), 0x8) 2.153374185s ago: executing program 1 (id=722): r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x2, 0x0, @rand_addr="152bc64d9fe0fbacc02b56b6c56b6f57"}, 0x1c) getsockopt$inet6_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x105, &(0x7f00000000c0)={0x1, [0x0]}, &(0x7f0000000100)=0x8) getsockopt$inet6_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x900, &(0x7f0000000180)={r1}, &(0x7f00000001c0)=0x8) 2.144231757s ago: executing program 2 (id=723): mprotect(&(0x7f0000001000/0x4000)=nil, 0x4000, 0x0) r0 = openat$crypto(0xffffffffffffff9c, &(0x7f0000000700), 0x2000000, 0x0) ioctl$CIOCGSESSION2(r0, 0xc040636a, &(0x7f00000000c0)={0x15, 0xf, 0x18, &(0x7f0000000080)="000000000000d40b0000000000000017b670f5e6613250d5", 0x0, 0x0, 0x0, 0xfdfeffff}) ioctl$CIOCCRYPTAEAD(r0, 0xc040636d, &(0x7f0000000000)={0x0, 0x2, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, &(0x7f00000025c0), &(0x7f00000001c0)}) 1.92212939s ago: executing program 0 (id=724): r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) setsockopt$inet6_sctp_SCTP_AUTH_KEY(r0, 0x84, 0x13, &(0x7f0000000040)=ANY=[@ANYRES32=0x0, @ANYBLOB="02"], 0x9) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000140)={0x1c, 0x1c, 0x0, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}}, 0x1c) setsockopt$inet6_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x16, &(0x7f00000000c0)={0x0, 0x2}, 0x8) 1.91335665s ago: executing program 3 (id=725): mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1) r0 = msgget$private(0x0, 0x59d) msgrcv(r0, 0x0, 0x0, 0x0, 0x0) msgctl$IPC_SET(r0, 0x1, &(0x7f0000000600)={{0xfffffc02, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3ff, 0x4}, 0x0, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x4, 0x41}) 1.544004495s ago: executing program 2 (id=726): r0 = openat$crypto(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r1 = dup(r0) ioctl$CIOCGSESSION2(r0, 0xc040636a, &(0x7f00000000c0)={0x0, 0x20, 0x0, 0x0, 0x2, &(0x7f0000000180)='pc', 0x0, 0xfdffffff}) ioctl$CIOCCRYPT(r1, 0xc0306367, &(0x7f0000000800)={0x0, 0x0, 0x0, 0x450c, &(0x7f0000000000), 0x0, 0x0, 0x0}) 1.135349677s ago: executing program 0 (id=727): mount(&(0x7f0000000080)='cd9660\x00', 0x0, 0x0, 0x0) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) setsockopt$inet_int(r0, 0x0, 0x4b, &(0x7f0000000080)=0x2, 0x4) 1.075933741s ago: executing program 1 (id=728): r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0x40, &(0x7f0000000000)='htcp\x00', 0x5) rfork(0x1000) 1.071384813s ago: executing program 2 (id=729): mkdir(&(0x7f0000000040)='./file0\x00', 0x0) extattr_set_file(&(0x7f00000001c0)='./file0\x00', 0x2, &(0x7f0000000200)='-\x00', 0x0, 0x0) extattr_set_file(&(0x7f0000000000)='./file0\x00', 0x2, &(0x7f0000000080)='^\x00', 0x0, 0x0) extattr_get_link(&(0x7f00000000c0)='./file0\x00', 0x2, &(0x7f0000000100)='H\x00', 0x0, 0x0) 852.547007ms ago: executing program 1 (id=730): r0 = socket(0x2, 0x1, 0x0) fcntl$setstatus(r0, 0x4, 0x4) listen(r0, 0x0) accept$inet6(r0, 0x0, 0x0) 575.982246ms ago: executing program 2 (id=731): r0 = socket(0x1c, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) connect$inet6(r0, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) sendto$inet(r0, 0x0, 0x0, 0x0, 0x0, 0x0) 425.867277ms ago: executing program 0 (id=732): ktimer_create(0x0, 0x0, &(0x7f0000000180)) ktimer_create(0x0, 0x0, &(0x7f00000001c0)) procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000180)={0x13, 0x0, 0xffffffffffffffff}) 209.301447ms ago: executing program 1 (id=733): socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setrlimit(0x8, &(0x7f00000002c0)={0x8000000040000000, 0x7}) sendmsg$unix(r1, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="28000000ffff000001"], 0x28}, 0x0) recvmsg(r0, &(0x7f0000001480)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001380)=""/202, 0xca}, 0x0) 205.372571ms ago: executing program 2 (id=734): r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) setsockopt$inet6_MRT6_ADD_MFC(0xffffffffffffffff, 0x29, 0x68, &(0x7f0000000080)={{0x1c, 0x1c, 0x2, 0x0, @loopback}, {0x1c, 0x1c, 0x0, 0x0, @rand_addr="f57799109f9cc24cb1b9a9bab803227d"}}, 0x5c) setsockopt$inet6_IPV6_RTHDR(r0, 0x29, 0x30, &(0x7f0000000080)=ANY=[], 0x38) connect$inet6(r0, &(0x7f0000000000)={0xffd7, 0x1c, 0x3, 0x0, @rand_addr='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\b\n@\x00'}, 0x1c) 38.79574ms ago: executing program 3 (id=735): r0 = openat$filemon(0xffffffffffffff9c, &(0x7f0000000180), 0x1, 0x0) r1 = setsid() ioctl$FILEMON_SET_PID(r0, 0xc0045302, &(0x7f00000001c0)=r1) vfork() 38.25365ms ago: executing program 2 (id=736): r0 = open$dir(&(0x7f0000000240)='./file0\x00', 0x40000400000002c2, 0x0) pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x1, 0x0) preadv(r0, &(0x7f0000001580)=[{&(0x7f0000000000)=""/116, 0x74}], 0x1, 0x3) close(r0) 0s ago: executing program 1 (id=737): mlock(&(0x7f0000ffc000/0x3000)=nil, 0x3000) mprotect(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0) getsockopt$inet_mreq(0xffffffffffffffff, 0x0, 0xc, 0x0, &(0x7f00000002c0)) munlock(&(0x7f0000ffc000/0x4000)=nil, 0x4000) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.2' (ED25519) to the list of known hosts. FreeBSD/amd64 (ci-freebsd-main-6.us-central1-b.c.syzkaller.internal) (ttyu0) login: Jan 1 00:00:08 ci-freebsd-main-6 kernel: nd6_na_input: duplicate IP6 address fe80:3::aa Out of ktrace request objects. if_delmulti_locked: detaching ifnet instance 0xfffffe0058758800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058758800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058327800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058758800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058327800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058327800 SYZFAIL: SIGILL Connection to 10.128.1.2 closed by remote host. pid 1613 (syz-executor), jid 0, uid 0: exited on signal 4 (no core dump - too large) pid 1610 (syz-executor), tap0: tun/tap protocol violation, non-controlling process closed last. ifaddr cache = 0xfffffe0054093000 is deleted if_delmulti_locked: detaching ifnet instance 0xfffffe0058759000 pid 1613 (syz-executor), tap2: tun/tap protocol violation, non-controlling process closed last. ifaddr cache = 0xfffffe0054092d80 is deleted if_delmulti_locked: detaching ifnet instance 0xfffffe0058328800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058759000 tap0: link state changed to DOWN if_delmulti_locked: detaching ifnet instance 0xfffffe0058759000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058328800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058328800 pid 986 (getty), jid 0, uid 0: exited on signal 4 (core dumped) tap2: link state changed to DOWN pid 771 (sh), jid 0, uid 0: exited on signal 4 (core dumped) pid 985 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 984 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 983 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 982 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 981 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 980 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 1616 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 1617 (getty), jid 0, uid 0: exited on signal 4 (core dumped) if_delmulti_locked: detaching ifnet instance 0xfffffe0058327800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058327800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058327800 FreeBSD/amd64 (ci-freebsd-main-6.us-central1-b.c.syzkaller.internal) (ttyu0) login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058758800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058758800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058758800 set $maxwidth = 0 pid 761 (csh), jid 0, uid 0: exited on signal 4 (core dumped) pid 1615 (syz-executor), jid 0, uid 0: exited on signal 4 (core dumped) if_delmulti_locked: detaching ifnet instance 0xfffffe0058328800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058328800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058328800 Password: Login incorrect login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058759000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058759000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058759000 show proc Password: Login incorrect login: show all locks Password: Login incorrect login: show uma Password: