last executing test programs: 3.877740963s ago: executing program 1 (id=579): r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendmsg$inet_sctp(r0, &(0x7f0000000240)={&(0x7f0000000040)=@in6={0x1c, 0x1c, 0x2, 0x0, @ipv4={'\x00', '\xff\xff', @remote={0xac, 0x14, 0x0}}}, 0x1c, 0x0}, 0x0) getsockopt$inet_sctp_SCTP_REMOTE_UDP_ENCAPS_PORT(r0, 0x84, 0x24, &(0x7f0000000080)={0x0, @in6={{0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x141}}, 0x8000}, &(0x7f0000000140)=0x88) 3.519990538s ago: executing program 1 (id=581): r0 = fork() sigqueue(r0, 0xf, @sigval_ptr=0x2) wait4(r0, &(0x7f0000000000), 0x2, &(0x7f0000000040)) 2.894335799s ago: executing program 2 (id=586): open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) ktrace(&(0x7f0000000200)='./file0\x00', 0x4, 0xd27d43220c7df9b, 0x0) getitimer(0x0, &(0x7f0000000000)) 2.894081127s ago: executing program 3 (id=587): r0 = socket$inet6_tcp(0x1c, 0x1, 0x0) setsockopt$inet6_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'rack\x00'}, 0xfe52) setsockopt$inet6_tcp_buf(r0, 0x6, 0x48a, &(0x7f0000000340)='\x00\x00\x00\x00', 0x4) 2.550778433s ago: executing program 2 (id=589): r0 = semget$private(0x0, 0x5, 0x0) semop(r0, &(0x7f0000000000)=[{0x0, 0x6b}, {}], 0x2) __semctl$IPC_RMID(r0, 0x0, 0x0) 2.443617783s ago: executing program 3 (id=590): r0 = openat$bpf(0xffffff9c, &(0x7f0000001dc0), 0x80, 0x0) ioctl$BIOCLOCK(r0, 0x2000427a) ioctl$BIOCGETIF(r0, 0x4020426b, 0x0) 2.43868801s ago: executing program 0 (id=591): r0 = socket$inet6_sctp(0x1c, 0x800000000000005, 0x84) r1 = dup2(r0, r0) ioctl$DIOCCHANGERULE(r1, 0x8048756d, &(0x7f0000000200)="eac9e749df4966312bd14e1a60aefbc33e8511de0f6c7513beb3d32aff45780d10b808b5ef") 2.011847568s ago: executing program 2 (id=592): r0 = socket(0x1c, 0x10000001, 0x84) connect$inet6(r0, &(0x7f0000000000)={0x4b, 0x1c, 0x1, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}}, 0x1c) setsockopt$inet_sctp_SCTP_AUTH_DEACTIVATE_KEY(r0, 0x84, 0x1d, &(0x7f0000000000)={0x0, 0xffff}, 0x8) 2.011252431s ago: executing program 0 (id=593): r0 = openat$crypto(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$CIOCGSESSION2(r0, 0xc040636a, &(0x7f00000000c0)={0x0, 0x1e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d86699a}) ioctl$CIOCCRYPT(r0, 0xc0306367, &(0x7f0000001380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 2.010577972s ago: executing program 1 (id=594): r0 = socket$inet_sctp(0x2, 0x1, 0x84) connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x3, @rand_addr=0xff}, 0x10) getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xe, &(0x7f0000000280)={0x0, 0x3}, &(0x7f0000000300)=0x8) 1.69157552s ago: executing program 1 (id=595): r0 = socket$inet6_tcp(0x1c, 0x1, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x31, &(0x7f0000000280)=ANY=[], 0x118) getsockopt$inet6_buf(r0, 0x29, 0x31, 0x0, &(0x7f0000000040)) 1.524623515s ago: executing program 0 (id=596): r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, 0x0, 0x0) connect$inet(r0, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10) 1.460669617s ago: executing program 2 (id=597): r0 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x28, &(0x7f0000000280)={0x1, [0x0]}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x15, &(0x7f0000000180)={r1, 0x80}, 0x8) 1.300365816s ago: executing program 3 (id=598): symlink(&(0x7f00000003c0)='.\x00', &(0x7f0000000140)='./file0\x00') r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x0) mkdirat(r0, &(0x7f0000000000)='./file0/file0/..\x00', 0x0) 1.298319481s ago: executing program 0 (id=599): r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) connect$inet6(r0, &(0x7f0000000340)={0x1c, 0x1c, 0x1, 0x1ff, @remote={0xfe, 0x80, '\x00', 0x0}, 0x3}, 0x1c) connect$inet6(r0, &(0x7f0000000300)={0x1c, 0x1c, 0x2, 0xfffffffe, @loopback}, 0x1c) 825.120302ms ago: executing program 2 (id=600): r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) connect$inet6(r0, &(0x7f0000000000)={0x1c, 0x1c, 0x1, 0x0, @local={0xfe, 0x80, '\x00', 0x0}, 0x100000}, 0x1c) sendmsg$inet6_sctp(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000c40)=[{&(0x7f0000000380)="0f", 0x1}], 0x1, &(0x7f0000000cc0)=ANY=[@ANYBLOB="fd"], 0x108, 0x102}, 0x0) 812.205796ms ago: executing program 3 (id=601): r0 = socket$inet6_tcp(0x1c, 0x1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0x40, &(0x7f0000000080)='chd\x00', 0x4) rfork(0x5000) 769.985848ms ago: executing program 0 (id=602): r0 = socket(0x2, 0x10000001, 0x0) setsockopt$inet6_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000600)={'bbr\x00'}, 0x24) sendto$inet(r0, &(0x7f00000000c0)="618de1d1e562b0140cb40a81f071042e2db744b381e7ff377b175f9adff5b77a4ba2d42b57d3ba5c227b82", 0x2b, 0x20000, &(0x7f0000000100)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) 655.661654ms ago: executing program 1 (id=603): open$dir(&(0x7f0000000040)='./file0\x00', 0x200, 0x0) ktrace(&(0x7f0000000200)='./file0\x00', 0x4, 0x4124, 0x0) setitimer(0x0, &(0x7f0000000300)={{}, {0x0, 0x80000000000000}}, 0x0) 646.949664ms ago: executing program 2 (id=604): ktimer_create(0x0, 0x0, &(0x7f0000000180)) ktimer_create(0x0, 0x0, &(0x7f00000001c0)) procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000180)={0x13, 0x0, 0xffffffffffffffff}) 453.869342ms ago: executing program 3 (id=605): setrlimit(0x0, &(0x7f0000000100)={0x7}) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x4) select(0x40, &(0x7f0000000100), 0x0, 0x0, &(0x7f00000001c0)) 39.64236ms ago: executing program 3 (id=606): r0 = socket$inet_sctp(0x2, 0x1, 0x84) listen(r0, 0x0) fcntl$setstatus(r0, 0x4, 0x0) 39.320919ms ago: executing program 0 (id=607): mkdir(&(0x7f0000000000)='./file0\x00', 0xeb67c48e72571aff) open$dir(&(0x7f0000000200)='./file0/file0\x00', 0x200, 0x0) open$dir(&(0x7f0000000200)='./file0/file0\x00', 0xa00, 0x0) 0s ago: executing program 1 (id=608): r0 = kqueue() kevent(r0, &(0x7f0000000300)=[{0xfffffffffffffffc, 0xfffffffffffffff9, 0xb, 0x1, 0x6228, 0x0, [0x800000, 0xfffffffffffffffc, 0x0, 0x1000000000000000]}, {0x0, 0xfffffffffffffffe, 0x97, 0x40000000, 0x0, 0x101, [0x3, 0x0, 0x8, 0x8000000000000001]}], 0x2, 0x0, 0x0, 0x0) close(r0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.105' (ED25519) to the list of known hosts. WARNING pid 987 (syz-executor): ioctl sign-extension ioctl 300000000000000 Sep 29 15:04:57 ci-freebsd-main-2 kernel: arp: aa:aa:aa:aa:aa:bb is using my IP address 172.20.3.170 on tap3! WARNING pid 1098 (syz-executor): ioctl sign-extension ioctl 440004532 FreeBSD/amd64 (ci-freebsd-main-2.us-central1-b.c.syzkaller.internal) (ttyu0) login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058727800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058727800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058727800 SYZFAIL: SIGILL Connection to 10.128.1.105 closed by remote host. if_delmulti_locked: detaching ifnet instance 0xfffffe0058728000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058728000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058728000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058728800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058728800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058728800 if_delmulti_locked: detaching ifnet instance 0xfffffe0054222800 if_delmulti_locked: detaching ifnet instance 0xfffffe0054222800 if_delmulti_locked: detaching ifnet instance 0xfffffe0054222800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058728000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058728000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058728000 pid 781 (sh), jid 0, uid 0: exited on signal 4 (core dumped) pid 1130 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 1128 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 771 (sh), jid 0, uid 0: exited on signal 4 (core dumped) pid 761 (csh), jid 0, uid 0: exited on signal 4 (core dumped) pid 1127 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 1126 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 1125 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 1124 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 1123 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 1097 (getty), jid 0, uid 0: exited on signal 4 (core dumped) FreeBSD/amd64 (ci-freebsd-main-2.us-central1-b.c.syzkaller.internal) (ttyu0) login: if_delmulti_locked: detaching ifnet instance 0xfffffe0054222800 if_delmulti_locked: detaching ifnet instance 0xfffffe0054222800 if_delmulti_locked: detaching ifnet instance 0xfffffe0054222800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058728800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058728800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058728800 set $maxwidth = 0 Password:if_delmulti_locked: detaching ifnet instance 0xfffffe0058727800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058727800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058727800 Login incorrect login: show proc Password: Login incorrect login: show all locks Password: Login incorrect login: show uma Password: