last executing test programs: 2.983173433s ago: executing program 1 (id=266): socket$inet_sctp(0x2, 0x3, 0x84) socket$inet_sctp(0x2, 0x5, 0x84) r0 = open$dir(&(0x7f0000000200)='./file0\x00', 0x8, 0x100) r1 = socket$inet6_tcp(0x1c, 0x1, 0x0) listen(r1, 0x0) close(r0) accept(r1, 0x0, 0x0) r2 = dup2(r0, r1) kmq_timedsend(r2, 0x0, 0x0, 0x0, 0x0) __realpathat(r2, &(0x7f0000000100)='./file0\x00', &(0x7f0000000240)=""/1, 0x1, 0x0) ioctl$BIOCSETBUFMODE(r2, 0x8004427e, &(0x7f0000000280)=0x2) setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000180)={'freebsd\x00'}, 0x24) r3 = socket(0x1c, 0x1, 0x0) setsockopt$sock_int(r3, 0xffff, 0x1001, &(0x7f00000000c0)=0x101, 0x4) bind$inet6(r3, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r3, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00', 0x3d6}, 0x24) connect$inet6(r3, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) socket$inet6_sctp(0x1c, 0x5, 0x84) r4 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r4, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10) dup2(0xffffffffffffffff, 0xffffffffffffffff) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x31, &(0x7f00000016c0)=ANY=[@ANYBLOB="000400000000000004010004"], 0x28) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x800000, @empty, 0x10}, 0x1c) sendto$inet6(0xffffffffffffffff, &(0x7f0000000600), 0x0, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c) r5 = kqueue() kevent(r5, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0) socket$inet6_sctp(0x1c, 0x1, 0x84) dup2(0xffffffffffffffff, 0xffffffffffffffff) r6 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) 2.282911754s ago: executing program 3 (id=267): r0 = socket(0x1c, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000340)={&(0x7f00000003c0)=@in6={0x1c, 0x1c, 0x0, 0x4, @empty}, 0x1c, &(0x7f00000002c0)=[{&(0x7f00000005c0)="3eda62d1d6d147fea04b3c3eed7eaf812e5a9f8ebbb16e27b4cbcc3b3fea510b3baa25da12376be15c706cacbb521201c2c2b28310206b36c47a", 0x3a}], 0x1, 0x0, 0x0, 0x4}, 0x0) shutdown(r0, 0x1) r1 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1000, &(0x7f0000000000)=0x6, 0x4) r2 = open$dir(&(0x7f0000000100)='./file0\x00', 0x202, 0x3) getsockopt$inet6_sctp_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xb, &(0x7f0000000500)={0x9, 0x8, 0x2800, 0x1, 0x0, 0x5, 0x8, 0x47, 0x0}, &(0x7f0000000580)=0x20) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0xf, &(0x7f0000000600)={r3, 0x3, 0x4}, &(0x7f0000000640)=0xc) copy_file_range(r2, &(0x7f0000000300), r2, 0x0, 0x0, 0x0) write(r2, &(0x7f0000000040)="5372f51538245c7e6d963ca7f24fd2a54593a6aeaa9202be9a5ca76d096b009c2f176a281834", 0x26) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'rack\x00'}, 0x24) r5 = __specialfd$eventfd(0x1, &(0x7f0000000680)={0x9, 0x771f}, 0x8) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r5, 0x84, 0x103, &(0x7f00000006c0)={r4, 0x13, "a0ea04394ffa29c924c14d32abe5ff8d7a238e"}, &(0x7f0000000700)=0x1b) socket$inet_sctp(0x2, 0x0, 0x84) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x21, 0x0, 0x0) r6 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_EVENT(r6, 0x84, 0x1e, &(0x7f0000000000)={0x0, 0xb}, 0x8) ksem_open(&(0x7f0000000140)=0x0, &(0x7f0000000180)='\x00', 0x800, 0x24, 0xffffffff) ksem_wait(r7) vfork() rfork(0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000540), 0x2, 0x0) r8 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x1, 0x0) ioctl$DIOCBEGINADDRS(r8, 0xc4704433, &(0x7f0000000040)) 2.131044891s ago: executing program 0 (id=269): openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x400000, 0x0) r0 = open(&(0x7f0000000000)='./file0\x00', 0x10000, 0x2) ksem_open(&(0x7f0000000200)=0x0, &(0x7f0000000400)='\xceL\xb4%\x00', 0x800, 0x24b, 0x3) ksem_destroy(r1) r2 = socket$inet_sctp(0x2, 0x5, 0x84) sendmsg$inet_sctp(r2, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB="789f1c64e87689e92c8c64be19c71c475557b7a4027b86d4a03a7b67f42c02db45ada4bfc9e85a8564e1436f15eda1fded1d92523fe1f0922692bf288eeeb21e74d00e2c700cef04399f23f21a1ba34a9a36b07f38a634571d0aa5f4357515fbf7bc385d00487444499d16ecfef74e33745cdd128011c6ca0a0885", @ANYRES16=r0], 0x14, 0x101}, 0x8c) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r2, 0x84, 0x102, &(0x7f00000000c0)={0x0, 0x2e, "3765cc08a50ad207870652ca38947e0e85d4ff1c2c9850c9ff611f68923d4edc2bac38d600e84fff6708b841b02f"}, &(0x7f0000000000)=0x36) mkdirat(0xffffffffffffffff, 0x0, 0x0) syz_emit_ethernet(0x42, 0x0) r3 = socket$inet6_sctp(0x1c, 0x1, 0x84) bind(r3, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x2, 0x0, @empty}, 0x1c) r4 = socket$inet6_sctp(0x1c, 0x1, 0x84) r5 = socket$inet_sctp(0x2, 0x1, 0x84) connect$inet(r5, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, &(0x7f0000001700)) sendto$inet6(r3, &(0x7f0000000440)="2ce281400a00000006d02024a4ee86a477b6c3d47e2183ee5ad47a", 0x1b, 0x20004, 0x0, 0x0) r7 = kqueue() kevent(r7, &(0x7f0000000040), 0x0, 0x0, 0x0, 0x0) r8 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r8, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r8, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4) connect$inet(r8, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10) sendmsg$inet6_sctp(r8, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x151}], 0x1, 0x0, 0x0, 0x81}, 0x0) accept4$unix(0xffffffffffffffff, &(0x7f0000001740)=@file={0x1008, 0x0, ""/4102}, &(0x7f0000000000)=0x1008, 0x0) ioctl$BIOCFEEDBACK(r6, 0x8004427c, &(0x7f00000001c0)=0x4) r9 = socket$inet6_sctp(0x1c, 0x5, 0x84) __realpathat(r9, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=""/1, 0x1, 0x0) connect$inet6(r4, &(0x7f0000000240)={0x1c, 0x1c, 0x3, 0x0, @loopback, 0x4}, 0x1c) connect$inet6(r9, &(0x7f0000000300)={0x1c, 0x1c, 0x2, 0xfffffffe, @loopback, 0xfffffff9}, 0x1c) 2.081220057s ago: executing program 1 (id=270): r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$inet_int(r0, 0x0, 0x4b, &(0x7f0000000640), 0x4) aio_error(&(0x7f0000000100)={r0, 0x4, &(0x7f0000000040)="9280d0a8134599e588cb38add1fe22a3b2b8626117fc1a", 0x17, [0x500000, 0x1], 0x8000000000000001, 0x20, 0x0, {0x4, 0x3, &(0x7f0000000080)="a371942a4d41f801917836acd1409e08d7397469a0c2dfdc6f084cb873e49f8bd5b4003ab7e5db7e756b276ba796f29bc62ba3ec10e7a4d83dad54826358fff14e195d153f257bfa58aef2763cbc3d9686e8974bd66e9f84490927d927fca628419c4d747772dc5266536d"}, {0x2, 0x1, @sigval_ptr=0xff, @spare=[0xed, 0x7a, 0xfffffffffffffffd, 0x5, 0xfd, 0x56, 0x4]}}) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000000)={0xffffffe6, 0x2, 0x2, @loopback}, 0x10) 2.080876354s ago: executing program 1 (id=271): r0 = socket$inet_sctp(0x2, 0x5, 0x84) open(&(0x7f0000000080)='./file0\x00', 0x80000000000209, 0x0) r1 = open$dir(&(0x7f0000000040)='./file0\x00', 0x100, 0xf4) r2 = socket(0x1c, 0x1, 0x0) setsockopt$sock_int(r2, 0xffff, 0x10000, 0x0, 0x0) pwritev(r1, &(0x7f0000000040), 0x4a, 0x0) r3 = open(&(0x7f0000000480)='./file0\x00', 0x80400000000206, 0x0) mlockall(0x2) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3, 0x20011, r3, 0x0) sync() socket$inet6_sctp(0x1c, 0x1, 0x84) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x400, 0x0) bind$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x2, @loopback}, 0x10) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) 1.983085788s ago: executing program 1 (id=273): r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) ppoll(&(0x7f00000000c0)=[{r0, 0x10}], 0x1, &(0x7f0000000100)={0x7, 0x8000}, &(0x7f0000000180)={[0xc5, 0x1913, 0x2]}, 0x10) r1 = socket$inet6_sctp(0x1c, 0x5, 0x84) connect$inet6(r1, &(0x7f0000000000)={0x1c, 0x1c, 0x3, 0x800004, @local={0xfe, 0x80, '\x00', 0x0}, 0x45}, 0x1c) r2 = dup2(r1, r0) connect$inet6(r2, &(0x7f0000000040)={0x1c, 0x1c, 0x2, 0x6, @remote={0xfe, 0x80, '\x00', 0x0}, 0xff}, 0x1c) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x105, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f0000000080)=0x8) ioctl$EVIOCSREP(r2, 0x80084503, 0x8) socket$inet6_sctp(0x1c, 0x5, 0x84) shmget$private(0x0, 0x1000, 0x20, &(0x7f0000ffa000/0x1000)=nil) r3 = socket$inet_sctp(0x2, 0x5, 0x84) dup2(r3, r3) r4 = socket$inet6_sctp(0x1c, 0x0, 0x84) r5 = socket$inet6_sctp(0x1c, 0x5, 0x84) bind(r5, &(0x7f00000002c0)=@in6={0x1c, 0x1c, 0x3, 0x0, @empty, 0x10}, 0x1c) connect$inet6(r5, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2, 0x0, @loopback}, 0x1c) socket$inet_sctp(0x2, 0x1, 0x84) ksem_destroy(0x0) ksem_getvalue(0x0, 0x0) freebsd11_stat(0x0, 0x0) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) r6 = socket$inet6_sctp(0x1c, 0x1, 0x84) r7 = socket$inet_sctp(0x2, 0x1, 0x84) connect$inet(r7, &(0x7f00000004c0)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10) socket$inet6_sctp(0x1c, 0x5, 0x84) r8 = socket$inet6_sctp(0x1c, 0x1, 0x84) connect$inet6(r8, &(0x7f00000001c0)={0x1c, 0x1c, 0x3, 0x0, @local={0xfe, 0x80, '\x00', 0x0}, 0x8}, 0x46) setsockopt$inet_sctp_SCTP_AUTH_KEY(r7, 0x84, 0x13, &(0x7f0000000000)=ANY=[@ANYRESOCT, @ANYRES32=r8, @ANYRESHEX, @ANYRES8=0x0, @ANYRES16=r4, @ANYRES16=r6, @ANYRESHEX=0x0, @ANYBLOB="a468"], 0x89) getsockopt$inet6_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x15, &(0x7f0000000100)={0x0, 0x9}, &(0x7f0000000200)=0x8) setsockopt$inet6_sctp_SCTP_AUTH_KEY(r6, 0x84, 0x13, &(0x7f0000000600)=ANY=[@ANYRES32=r9, @ANYBLOB], 0x1081) 1.263653756s ago: executing program 0 (id=278): r0 = openat$crypto(0xffffffffffffff9c, &(0x7f0000000180), 0x1, 0x0) ioctl$CIOCGSESSION2(r0, 0xc040636a, &(0x7f0000000040)={0x17, 0x22, 0x18, &(0x7f0000000100)="3c022e61792eecb07f8aee18e5aa3505d7dbce4235fc3735", 0x0, 0x0, 0x0, 0xfdffffff}) ioctl$CIOCCRYPT(r0, 0xc0306367, &(0x7f0000001300)={0x0, 0x0, 0x0, 0x41, &(0x7f00000000c0), 0x0, 0x0, 0x0}) r1 = socket(0x2, 0x3, 0x0) r2 = socket(0x1c, 0x10000001, 0x84) setsockopt$inet6_sctp_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0xa, &(0x7f00000003c0)={@in6={{0x1c, 0x1c, 0x1, 0x7, @empty, 0x200}}, 0x0, 0x0, 0x0, 0x30a, 0x0, 0x0, 0xfe}, 0x98) sendmsg$inet6_sctp(r2, &(0x7f00000001c0)={&(0x7f0000000180)=@in6={0x1c, 0x1c, 0x0, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, &(0x7f0000000380)=[{&(0x7f0000000200)='D', 0x1}], 0x1}, 0x0) dup2(r1, r2) ioctl$CIOCFINDDEV(r0, 0xc024636c, &(0x7f0000000000)={0x480000, "8f3285547e6cfbc61f2d46c427ef3fa9b441b398b6a572b4615cf9b9ff2da748"}) 1.251479471s ago: executing program 0 (id=281): r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) sendmsg$inet6_sctp(0xffffffffffffffff, &(0x7f0000000500)={&(0x7f00000000c0)=@in6={0x1c, 0x1c, 0x0, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}}, 0x1c, &(0x7f0000000380)=[{0x0}], 0x1}, 0x0) openat$ptmx(0xffffffffffffff9c, 0x0, 0x2, 0x0) r1 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000300)={'rack\x00', 0xf}, 0x24) setsockopt$inet_tcp_int(r1, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) getsockopt$inet_sctp_SCTP_EVENT(0xffffffffffffffff, 0x84, 0x1e, 0x0, 0x0) sendmsg$inet_sctp(0xffffffffffffffff, 0x0, 0x0) r2 = socket(0x1c, 0x1, 0x0) bind$inet6(r2, &(0x7f0000000280)={0x1c, 0x1c, 0x0, 0x0, @loopback}, 0x1c) connect$inet6(r2, &(0x7f0000000140)={0x1c, 0x1c, 0x0, 0x0, @empty}, 0x1c) setsockopt$inet6_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000000)={'rack\x00'}, 0x24) rfork(0x3060) getsockopt$inet6_sctp_SCTP_NODELAY(r0, 0x84, 0x4, &(0x7f0000000600), &(0x7f0000000640)=0x4) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100), 0x200, 0x0) ioctl$DIOCRSETTFLAGS(r3, 0xc450444a, &(0x7f0000000180)={{"313d42df30a948bf7ee6d5e5687e344b791c7df0a3461a3dd42363b08cf599200359d21a66027b7b632eded57d0773b56e719c1d193e6233435606352f3ebc7f4c1650c4c85d9b46a724625e276d625f39647caa130cee019a9903e8cb7325dbc069cc12ec2c769d932241ba9b40de4acabdfe893aa2152802c98fee349bfd2b2e084e9cd6c018f06790492e2d3807c2c169e0145e9420477b34dec658c0b5022af2cafb04a1ae4d87f435b714015b987e50b68831143f97e57910f3bf49c02e74a7506740344959c29a8759f114a1390b8a38fc4cd0fc837db5645205c219f31c4f757d54fdc0778bdfd1fcbe116bd27eda7c470d6fa5d5f4dbac4ec34c0b3c36f3a8388c2720da057961db53c23a1620c7497d8856e130522289173b3a15af41988bf07328cf5932887c71797976d312f7d5486047137a57bf54293134881e374fd0bafdaf19f81c2afe784202349d09eccb408f2c2cb20e404d19aedd4974e179ad7ef4cbd1368f1fb5fdd886c2bd90ed59b9757a3322a2a2c88c5537f6c295fbdfb935f50e8e79bcb64efbcd80f72137cca9b7832636bb1b7648eef909bdd4493788a3ca010b7c42e9b6bdbc1f77c32bfda23aad661e374fa13d493db139e030b69380be72fa969f9e3958d3e8030eb4eabc1abec35372ef5342380b099b7eb98bc3719dfc4db60e4a959736d8708619a04f8419fbb5bd1b121dd729bc2b74450f8c46d17717a2d12a7fffedc4c32809baa4401f2dba91d19e66707a43ea70093e19b6475e60efb6ab5fc6e7ac1ea054b601bb515b1a9c0f8be651726667261f2c29199d96d452e6ce463dde6714a335de824d7480ee02a8aee991294665da4ccbfbe9d7ebab98e325b598e228c3905f6951c40f09a55af3cf41f272a7c6166208c0bcf0f6975180774593c9ec64333219f8f8982851e480f1e68cb84ccc0e71fb950652cacd5b1d799eb65158432151f44b9591cb9ca57f2bb52ae297dfe08f3de9ceb14bf94078093c7d27887cf7dfb9f13595e775c3258dd2d555ff160b5c51c07d32af2ae3bb1e817b40cdca045ecee95891e4778194d5a2564c3802625014a4f1326782aaf3d3261e33c23b7b2bce40a085695c91b2c5e9c9bf1b386b7970fbd98a78f054192b907a11b44f75a8068aeab2cadb155409b121e0dbc86d16d20afe7cc9e7f96d0c4af8bd44e442a2663a99bf738bafff359293481b9e074c6e6aa96e4e8667648302accc3f662d23c95451ca083ecd21fa61f0ad926a5b1c4fdd7994693b2dd66449ba6846b9bdecab6808cf6b4d57a6a9a97a1be824b304ed16a71290457ce3f834e9c15556b9d9b28bc23304d80ea836277b00c539bccfcfe91766c85bbb5a7c043beca028cd3a49b36401d4ed9c09055f7373ea1e77d698eee643236031797489a0554d204ed8050844a3686a455a040c7a84fea2", "72b4599d60ba6b4b925e75c3fc2e60f24f5258519ed14b311d64d06ca26b32bf", 0x4, 0x20}, 0x0, 0x80, 0x4, 0x6, 0x8ae, 0x2, 0x3, 0x800, 0x9}) 1.200910836s ago: executing program 3 (id=282): r0 = openat$crypto(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$CIOCGSESSION2(r0, 0xc040636a, &(0x7f0000000480)={0x28, 0x26, 0x10, &(0x7f0000000040)="0b900980000000000000e5de81d4755a", 0x0, 0x0, 0x8001, 0xfffffff7, [0x0, 0x8, 0x5, 0x1]}) syz_emit_ethernet(0x137, &(0x7f0000000a00)={@remote, @random="9ee7dca78918", [], {@ipv6={0x86dd, {0x0, 0x6, "a7cf87", 0x101, 0x0, 0xff, @mcast2, @loopback, {[@routing={0x58, 0x2, 0x1, 0x40, 0x0, [@empty]}], @udp={{0x1, 0x1, 0x8}, {"e6c972cb242bec5b61d4eccb357bdf63a75452302a0de5c9af702e2f69c4213a1d4dd90375cc9f1fbf6f347aaf1d2db1ac28ee6f70b8b5b2c73d26a41da7362ac983cbdba5623ca0ca5de08f354741ceabc1b75fb1a7b3e7706d50850af683f6ac5690483ba1ad1a9c782c3ee447ea547f09ca9b385cf5d7300e236a3757ed24b7b53547c1b1266ba427302c0702ee9e98b9540928419a6f0e425067fc6bc3a6de83657e0459b81913adac459aba05ba52a5229e8e38a83cab8c251714bc49a7bf1648603c104009d5a1284a5cfa33ef683e73b5beb7180b74f601b01c70c34f62"}}}}}}}) r1 = openat$crypto(0xffffffffffffff9c, &(0x7f0000000080), 0x200200, 0x0) r2 = socket$inet6_sctp(0x1c, 0x5, 0x84) socket$inet_sctp(0x2, 0x5, 0x84) r3 = dup2(0xffffffffffffffff, r2) getsockopt$inet6_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, 0x0, &(0x7f0000000300)) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0xa, &(0x7f0000000640)={@in6={{0x1c, 0x1c, 0x2, 0x9, @mcast1, 0x2}}, 0x0, 0xb4, 0x2, 0x188, 0x2, 0x5, 0x1}, &(0x7f0000000280)=0x98) setsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffff9c, 0x84, 0x7, &(0x7f0000000700)={@in={{0x10, 0x2, 0x0}}, r4}, 0x88) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000180)={'freebsd\x00'}, 0x24) sendto$inet6(0xffffffffffffffff, &(0x7f0000000040)="14", 0x1, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c) r5 = kqueue() kevent(r5, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5}], 0x1, 0x0, 0x0, 0x0) r6 = socket(0x1c, 0x1, 0x0) bind$inet6(r6, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) r7 = __specialfd$eventfd(0x1, &(0x7f0000000000)={0x81, 0x4}, 0x8) aio_writev(&(0x7f0000000500)={r7, 0xffffffffffffff81, &(0x7f00000002c0)="81531076163ee632d94bd00894f356e4fe8b", 0x12, [0x80, 0x2], 0x6, 0x8, 0x4, {0x822e, 0xba7, &(0x7f0000000340)='(i4'}, {0x5, 0x9, @sival_ptr=0x1, @thr={&(0x7f0000000400)="470faef6c4022dbf4093f30f38f69f0000002167660ffe0503000000c482b0f349053e2e2667430feec465f20f9a6f0f430f0dbb00000100363a810000000040e361", &(0x7f0000000380)="3c88805ec3"}}}) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00'}, 0x24) syz_emit_ethernet(0x3e, &(0x7f0000000000)={@broadcast, @random="94ea09066dbd", [], {@ipv6={0x86dd, {0x0, 0x6, "db8344", 0x8, 0x11, 0x0, @rand_addr="fed38d5ba80b9e61cd0c535a9800", @mcast2, {[], @udp={{0x0, 0x2, 0x8}}}}}}}) openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) connect$inet6(r6, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) sendto$inet(r6, &(0x7f0000000200)="0e", 0xff66, 0x0, 0x0, 0x0) sendmsg$unix(r6, &(0x7f0000001440)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000000c00)="f11952e5508ccdbaf10dcd96b1ceb8724bdf38774019109df2393832079b37da5ffb4292b6bcb2dd26bbbefe349199", 0x2f}, {&(0x7f0000000840)="faccbfc1213b7245c968e88fed57f69d4ed18b0fc343422fdc7ab9d92113373e90fbacef5551af86589dbe25e1d8baecceb5b8617b518f444d94092562c844048b841e675aa82565cf0446bc8b70fdd519bf853b116f8015ef79", 0x5a}], 0x2, 0x0, 0x100}, 0x20180) ioctl$CIOCGSESSION2(r1, 0xc040636a, &(0x7f00000000c0)={0xb, 0x0, 0x10, &(0x7f0000000000)="0b6fac4103f48e8d08afe5de81d4755a", 0x0, 0x0, 0x0, 0x7d866997}) ioctl$CIOCCRYPT(r1, 0xc0306367, &(0x7f0000000180)={0x0, 0x1, 0x0, 0x10000, &(0x7f0000000a00), 0x0, 0x0, 0x0}) open$dir(0x0, 0x50007, 0xb3) socket$inet_sctp(0x2, 0x5, 0x84) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000f80), 0x2, 0x0) 1.120767034s ago: executing program 1 (id=283): r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, 0x0, 0x2d, 0x0, &(0x7f0000000140)={0x10, 0x2, 0x1, @rand_addr=0x81}, 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f0000000440)={@in={{0x10, 0x2, 0x1}}, 0x0, 0x8, 0x0, 0x1}, 0x98) ksem_open(0x0, 0x0, 0x200, 0x4c, 0x0) ksem_destroy(0x0) ioctl$FILEMON_SET_FD(0xffffffffffffffff, 0xc0045301, 0x0) ksem_wait(0x0) shmget$private(0x0, 0x1000, 0x20, &(0x7f0000ffa000/0x1000)=nil) socket$inet6_sctp(0x1c, 0x5, 0x84) r1 = socket$inet_sctp(0x2, 0x1, 0x84) connect$inet(r1, &(0x7f00000004c0)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet6_sctp_SCTP_REUSE_PORT(0xffffffffffffffff, 0x84, 0x1c, &(0x7f0000000140)=0x5, 0x4) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) ioctl$DIOCCHANGERULE(r2, 0xcbe0441a, &(0x7f0000000140)) r3 = openat$filemon(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r4 = socket$inet6_sctp(0x1c, 0x1, 0x84) setsockopt$sock_int(r4, 0xffff, 0x1001, &(0x7f00000000c0)=0x1fe, 0x4) setsockopt$inet6_sctp_SCTP_EXPLICIT_EOR(r4, 0x84, 0x1b, &(0x7f0000000240)=0x7, 0x4) setsockopt$inet6_sctp_SCTP_RTOINFO(r4, 0x84, 0x1, &(0x7f0000000140)={0x0, 0x1, 0x0, 0x1}, 0x10) sendmsg$inet6_sctp(r4, &(0x7f0000000680)={&(0x7f0000000640)=@in6={0x1c, 0x1c, 0x1, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}, 0x202}, 0x1c, &(0x7f00000003c0)=[{0x0}, {0x0}, {&(0x7f0000000380)="d2e39a1380d57e1dfd13f842b68b40c810274935bb28b3cfb1b4c477159881b42bdf0ae82b", 0x25}], 0x3, 0x0, 0x0, 0x180}, 0x0) ioctl$FILEMON_SET_FD(r3, 0xc0045301, &(0x7f0000000100)=r4) shutdown(r4, 0x1) r5 = socket$inet_sctp(0x2, 0x5, 0x84) sendto(r5, 0x0, 0x0, 0x0, &(0x7f0000000200)=@in={0x10, 0x2, 0x0, @rand_addr=0x50}, 0x10) setuid(0xee01) r6 = socket(0x1c, 0x1, 0x0) bind$inet6(r6, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x105, &(0x7f0000000040)={0x1, [0x0]}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r5, 0x84, 0x26, &(0x7f0000000100)={r7}, &(0x7f00000001c0)=0x8) setsockopt$inet6_sctp_SCTP_RESET_ASSOC(r4, 0x84, 0x902, &(0x7f0000000000)=r7, 0x4) 1.068183967s ago: executing program 3 (id=284): r0 = socket(0x2, 0x1, 0xfc) r1 = socket(0x1c, 0x1, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r1, 0x29, 0x31, &(0x7f00000016c0)=ANY=[@ANYBLOB="0004000000000000040100040100c2"], 0x28) socket(0x0, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x7, 0x0, &(0x7f00000000c0)) posix_fadvise(0xffffffffffffffff, 0x40, 0x4, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000040)={'rack\x00'}, 0x24) r2 = socket$inet6_sctp(0x1c, 0x1, 0x84) r3 = socket$inet6_sctp(0x1c, 0x5, 0x84) r4 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) ftruncate(r4, 0x3862) r5 = open$dir(&(0x7f0000000700)='./file0\x00', 0x400, 0x0) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x4, 0x12, r4, 0x0) mmap(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x7, 0x11, r5, 0x0) mlock(&(0x7f0000ffb000/0x4000)=nil, 0x4000) msync(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x2) r6 = socket$inet_udplite(0x2, 0x2, 0x88) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) dup2(r7, r6) r8 = open$dir(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) sendfile(r8, r6, 0xb00, 0x0, &(0x7f0000000000)={&(0x7f0000000340)=[{&(0x7f0000000040)="aa09c6", 0x3}], 0x1, 0x0}, 0x0, 0x0) connect$inet6(r3, &(0x7f00000001c0)={0x1c, 0x1c, 0x3, 0xffffffff, @local={0xfe, 0x80, '\x00', 0x0}, 0x3}, 0x1c) r9 = dup2(r2, r3) r10 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_mreq(r10, 0x0, 0xc, &(0x7f0000000380)={@remote, @multicast2}, &(0x7f00000003c0)=0x8) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r9, 0x84, 0x105, &(0x7f0000000100)={0x1, [0x0]}, &(0x7f0000000380)=0x8) setsockopt$inet_tcp_TCP_FASTOPEN(r1, 0x6, 0x401, &(0x7f0000000000)={0x6, "fda1076645ee4a1ec4dd162f1327d0e8"}, 0x14) sendto(r1, 0x0, 0x0, 0x0, &(0x7f0000000100)=@in6={0x1c, 0x1c, 0x3, 0x4385, @empty, 0x4e}, 0x1c) rfork(0x3060) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000100)={'bbr\x00'}, 0x32) 1.067448328s ago: executing program 0 (id=285): socket$inet_sctp(0x2, 0x3, 0x84) r0 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000180)={'freebsd\x00'}, 0x24) r1 = socket(0x1c, 0x1, 0x0) setsockopt$sock_int(r1, 0xffff, 0x1001, &(0x7f00000000c0)=0x101, 0x4) cpuset_setaffinity(0x1, 0x1, 0x3, 0x8, &(0x7f00000002c0)={[0x22]}) bind$inet6(r1, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00', 0x3d6}, 0x24) connect$inet6(r1, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) r2 = socket$inet6_sctp(0x1c, 0x5, 0x84) getsockopt$inet6_sctp_SCTP_GET_ASSOC_NUMBER(r0, 0x84, 0x104, &(0x7f0000000000), &(0x7f0000000080)=0x4) socket$inet6_sctp(0x1c, 0x1, 0x84) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xb, &(0x7f0000000200)={0x7, 0x0, 0x6330, 0x96c, 0x4, 0x0, 0x2, 0xd}, &(0x7f0000000340)=0xfffffffffffffd4c) r3 = kqueue() kevent(r3, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5}], 0x1, 0x0, 0x0, 0x0) r4 = socket(0x1c, 0x1, 0x0) setsockopt$sock_int(r4, 0xffff, 0x1001, &(0x7f00000002c0)=0x101, 0x4) bind$inet6(r4, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x80, @empty}, 0x1c) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00'}, 0x24) openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x8, 0x0) socket$inet6_sctp(0x1c, 0x5, 0x84) shmget$private(0x0, 0x1000, 0x20, &(0x7f0000ffa000/0x1000)=nil) r5 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r5, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) connect$inet6(0xffffffffffffffff, &(0x7f00000000c0)={0x1c, 0x1c, 0x2, 0x1ff, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c) connect$inet6(0xffffffffffffffff, &(0x7f0000000300)={0x1c, 0x1c, 0x2, 0x80009, @local={0xfe, 0x80, '\x00', 0x0}, 0x8be}, 0x1c) r6 = socket(0x1c, 0x10000001, 0x84) sendmsg$inet6_sctp(r2, &(0x7f0000000100)={&(0x7f0000000180)=@in6={0x1c, 0x1c, 0x0, 0x0, @local={0xfe, 0x80, '\x00', 0x0}, 0x1}, 0x1c, 0x0}, 0x0) getsockopt$inet6_sctp_SCTP_PRIMARY_ADDR(r6, 0x84, 0x7, &(0x7f0000000240)={@in={{0x10, 0x2, 0x3, @multicast1}}}, &(0x7f00000000c0)=0x88) 921.186807ms ago: executing program 0 (id=286): r0 = socket$inet_sctp(0x2, 0x5, 0x84) open(&(0x7f0000000100)='./file0\x00', 0x200, 0x140) open$dir(0x0, 0x0, 0x0) ktrace(&(0x7f00000000c0)='./file0\x00', 0x4, 0x30a, 0xffffffffffffffff) r1 = socket$inet6_sctp(0x1c, 0x1, 0x84) r2 = socket$inet6_sctp(0x1c, 0x1, 0x84) r3 = dup2(r2, r1) r4 = dup2(r2, r3) sendmsg$inet_sctp(r0, &(0x7f0000000240)={&(0x7f0000000080)=@in6={0xfffffffffffffd1d, 0x1c, 0x2, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}, 0x80}, 0xffffffffffffffa1, 0x0}, 0x80) setsockopt$inet_sctp_SCTP_AUTH_KEY(r4, 0x84, 0x13, &(0x7f00000003c0)=ANY=[@ANYRES32=0x0, @ANYBLOB="000000002360d308682813fdb702080026861aec35"], 0x8) msgget$private(0x0, 0x0) r5 = socket$inet6_sctp(0x1c, 0x1, 0x84) getsockopt$inet6_sctp_SCTP_INITMSG(r5, 0x84, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x8) socket$inet6_sctp(0x1c, 0x0, 0x84) setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xb, 0x0, &(0x7f0000000280)) setsockopt$inet_tcp_TCP_FASTOPEN(0xffffffffffffffff, 0x6, 0x401, &(0x7f0000000000)={0x6, "fda1076645ee4a1ec4dd162f1327d0e8"}, 0x14) undelete(&(0x7f0000000380)='./file0\x00') r6 = socket(0x1c, 0x1, 0x0) setsockopt$sock_int(r6, 0xffff, 0x1001, &(0x7f00000000c0)=0x101, 0x4) setsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(r3, 0x84, 0x21, &(0x7f0000000340)={0x2, 0x3100, 0xef2, 0x4}, 0x10) bind$inet6(r6, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00'}, 0x24) connect$inet6(r6, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) sendto$inet(r6, &(0x7f0000000200)="0e", 0xff66, 0x0, 0x0, 0x0) accept$inet6(r1, &(0x7f00000002c0)={0x1c, 0x1c, 0xffffffffffffffff, 0x0, @local}, &(0x7f0000000300)=0x1c) sendmsg$unix(r6, &(0x7f0000001440)={0x0, 0x0, 0x0}, 0x0) getsockopt$inet_sctp_SCTP_NODELAY(r0, 0x84, 0x4, &(0x7f0000000040), &(0x7f0000000080)=0x4) setsockopt$inet_sctp_SCTP_AUTH_CHUNK(r0, 0x84, 0x12, &(0x7f0000000000)={0x2}, 0x1) 857.719197ms ago: executing program 2 (id=287): r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$inet_int(r0, 0x0, 0x4b, &(0x7f0000000640), 0x4) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x10, 0x2, 0x2, @local={0xac, 0x14, 0x0}}, 0x10) 810.166478ms ago: executing program 3 (id=288): r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DIOCGETRULESET(r0, 0xc444443b, 0x0) clock_settime(0x0, 0x0) clock_nanosleep(0x0, 0x0, 0x0, 0x0) clock_settime(0x0, &(0x7f00000001c0)) r1 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_REMOTE_UDP_ENCAPS_PORT(r1, 0x84, 0x24, &(0x7f0000000000)={0x0, @in6={{0x1c, 0x1c, 0x1, 0x1, @mcast2, 0x3}}, 0x5}, &(0x7f0000001280)=0x90) freebsd11_getfsstat(&(0x7f0000000200), 0x1d8, 0x0) clock_nanosleep(0xf, 0x1, 0x0, 0x0) vfork() lio_listio(0x0, 0x0, 0x0, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet6_sctp_SCTP_AUTH_KEY(0xffffffffffffffff, 0x84, 0x13, 0x0, 0x8) ioctl$DIOCBEGINADDRS(0xffffffffffffffff, 0xc4704433, 0x0) r2 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x40, 0x0) ioctl$DIOCADDADDR(r2, 0xc4704434, &(0x7f0000000040)) 731.152199ms ago: executing program 2 (id=289): r0 = socket$inet_sctp(0x2, 0x1, 0x84) (async) getsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) (async) socket$inet_sctp(0x2, 0x5, 0x84) (async) getsockopt$inet6_sctp_SCTP_RECVNXTINFO(0xffffffffffffffff, 0x84, 0x20, 0x0, 0x0) (async) setsockopt$inet_tcp_TCP_RXTLS_ENABLE(0xffffffffffffffff, 0x6, 0x29, 0x0, 0x0) r1 = socket$inet6_sctp(0x1c, 0x0, 0x84) (async) r2 = socket$inet6_sctp(0x1c, 0x5, 0x84) (async) connect$inet(0xffffffffffffffff, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10) getsockopt$inet6_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, &(0x7f00000004c0), &(0x7f0000000300)=0x18) (async) setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000180)={'freebsd\x00'}, 0x24) (async) r3 = kqueue() setsockopt$inet6_sctp_SCTP_BINDX_REM_ADDR(r2, 0x84, 0x8002, &(0x7f00000002c0)=@in6={0x1c, 0x1c, 0x2, 0x2, @empty, 0x1}, &(0x7f0000000340)=0x1c) (async) getsockopt$inet6_sctp_SCTP_EVENTS(r1, 0x84, 0xc, &(0x7f0000000000), &(0x7f0000000080)=0xb) (async) kevent(r3, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5}], 0x1, 0x0, 0x0, 0x0) (async) r4 = socket(0x1c, 0x1, 0x0) setsockopt$sock_int(r4, 0xffff, 0x1001, &(0x7f00000000c0)=0x101, 0x4) (async) bind$inet6(r4, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) (async) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00'}, 0x24) (async) setsockopt$inet6_sctp_SCTP_EVENTS(r2, 0x84, 0xc, &(0x7f0000000100)={0x81, 0x3b, 0x4, 0x6, 0xc, 0x4, 0x80, 0x19, 0x2, 0x3, 0xc}, 0xb) connect$inet6(r4, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c) (async) sendto$inet(r4, &(0x7f0000000200)="0e", 0xff66, 0x0, 0x0, 0x0) (async) getsockopt$inet6_sctp_SCTP_ADAPTATION_LAYER(r2, 0x84, 0x8, &(0x7f0000000240), &(0x7f0000000280)=0x4) (async) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x10, 0x2, 0x3, @rand_addr=0x2}, 0x10) (async) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x21, &(0x7f00000003c0)={0x0, 0x4c10}, 0x10) 651.179705ms ago: executing program 2 (id=290): r0 = socket$inet_sctp(0x2, 0x1, 0x84) r1 = openat$crypto(0xffffffffffffff9c, &(0x7f0000000140), 0x40, 0x0) ioctl$CIOCGSESSION2(r1, 0xc040636a, &(0x7f0000000080)={0x10, 0x7, 0x1, &(0x7f0000001b40)="83", 0x1, &(0x7f00000000c0)="d6", 0x0, 0x7d86619b, [0xffff]}) socket$inet6_sctp(0x1c, 0x1, 0x84) rfork(0x1000) setsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xc, &(0x7f0000000040)={0x2}, 0xb) recvmsg(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, &(0x7f00000003c0)=""/242, 0xf2}, 0x0) 491.073811ms ago: executing program 2 (id=292): r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000100)={&(0x7f0000001400)=@in6={0x1c, 0x1c, 0x0, 0x0, @rand_addr="000000007e0a0000006e68fffff600"}, 0x1c, &(0x7f0000001380)=[{&(0x7f0000000040)='S', 0x1}], 0x1}, 0x81) r1 = socket(0x2, 0x4, 0xfc) r2 = socket(0x1c, 0x10000001, 0x84) r3 = socket$inet6_sctp(0x1c, 0x1, 0x84) connect$inet6(r3, &(0x7f0000000080)={0x1c, 0x1c, 0x3, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c) r4 = dup(0xffffffffffffffff) setsockopt$inet_sctp_SCTP_EVENTS(r4, 0x84, 0xc, &(0x7f0000001200)={0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0xb) recvmsg(r4, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}, 0x0) setsockopt$inet_sctp_SCTP_AUTH_KEY(r2, 0x84, 0x1203, &(0x7f0000000140)=ANY=[@ANYRESDEC=r1, @ANYRES64=r1], 0x3ef) sendmsg$inet6_sctp(r2, &(0x7f0000000080)={&(0x7f0000000180)=@in6={0x1c, 0x1c, 0x2, 0x7, @rand_addr="bb3c5f38b33c8a978c03be871875ceb0"}, 0x1c, &(0x7f0000000380)=[{&(0x7f00000003c0)="44dbfe32219f029bf1a8c3d6397d0868ecf87bd3a0e6613c52063ce87b49254f57e959c3070df2e9ef5459f379c0f2d16a68629fa213fc42e35dc807b8839bc6a1119b3abe07170ebd609dce047c80a460319805358a816fca07fe1d8ff94f177b8dc4ffa0e6463034632059b0a36013436ea40767d567d843479cf490cb547c5859d3a59a6c752ce34c56d9476421e652667304ef5b9bc0efd6", 0x1}], 0x1, 0x0, 0xffffffffffffff1b, 0x20008}, 0x0) sendmsg$inet6_sctp(r2, &(0x7f0000000640)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f0000000100)="94", 0x1}], 0x1}, 0x0) r5 = socket$inet_sctp(0x2, 0x1, 0x84) connect$inet(r5, &(0x7f00000000c0)={0x10, 0x2, 0x3, @loopback}, 0x10) r6 = dup2(r5, r5) ppoll(&(0x7f00000002c0)=[{r6, 0x2006}], 0x1, 0x0, 0x0, 0x0) shutdown(r5, 0x0) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) setitimer(0x0, 0x0, 0x0) r7 = socket$inet6_sctp(0x1c, 0x5, 0x84) r8 = socket$inet_sctp(0x2, 0x1, 0x84) dup2(r8, r7) semget(0x1, 0x1, 0x200) kmq_notify(0xffffffffffffffff, &(0x7f0000000000)={0x4, 0x1a, @sival_ptr, @spare}) syz_emit_ethernet(0xee, &(0x7f0000000680)=ANY=[@ANYBLOB="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"]) setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000980)={'rack\x00'}, 0x24) connect$inet(0xffffffffffffffff, &(0x7f0000000080)={0x10, 0x2, 0x3}, 0x10) ioctl$DIOCRADDADDRS(0xffffffffffffffff, 0xc4504443, &(0x7f0000000a80)={{"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", "0920cb145aabe5e28402000000fbffffff00"}, 0x0, 0x14, 0x0, 0x0, 0xffff, 0x0, 0xfffffffffffffffc}) open(&(0x7f0000000000)='./file0\x00', 0x7ffd, 0x0) 400.640106ms ago: executing program 0 (id=293): procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000080)={0x8, 0x0, 0xffffffffffffffff, 0x2, 0xffffffffffffffff}) procctl$PROC_ASLR_CTL(0x0, r0, 0xd, &(0x7f0000000100)=0x9) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) recvmsg(r1, &(0x7f0000002640)={0xfffffffffffffffe, 0x0, 0x0, 0x0, &(0x7f0000000140)=""/13, 0xd}, 0x0) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x400, 0x0) ioctl$DIOCNATLOOK(r2, 0xc04c4417, &(0x7f0000000000)="e956547cafbbc9dc01bcfa360966cf686bec5237f69dcd537e2f4a4d35e1eb6f52031c7f243e960fa2f79c546ba342eb0d52a1a6a8ca8b4135dc911161558de79bbd4a1fcfe0239bc406") 372.429196ms ago: executing program 2 (id=294): unmount(&(0x7f0000000080)='./file0\x00', 0x100100) r0 = openat$evdev(0xffffffffffffff9c, &(0x7f00000000c0), 0x40000, 0x0) ioctl$UI_DEV_SETUP(r0, 0x805c5503, &(0x7f0000000100)={{0x0, 0x79, 0x8, 0x2}, "98983d823e5742d20d1d9c96c39db593048154ae90bb5f0922307c7980eafdec760b92110d6801af9ebb4c32c570f5dd9dc55b5465e98d357b03025149473fac4554513f47eb6aa619b0aec71df76d87", 0x2}) ktrace(&(0x7f0000000000)='./file0\x00', 0x4, 0x310, 0x0) setitimer(0x0, &(0x7f0000000040)={{0x81}, {0x1000000ffffffff}}, 0x0) 309.890392ms ago: executing program 1 (id=295): r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000000)={0x10, 0x2, 0x1, @remote={0xac, 0x14, 0x0}}, 0x10) connect$inet(r0, &(0x7f0000000180)={0x10, 0x2, 0x2, @rand_addr=0x8000000a}, 0x10) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0x40, &(0x7f00000000c0)='vegas\x00', 0x6) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0x40, &(0x7f0000000000)='chd\x00', 0x4) socket$inet6_sctp(0x1c, 0x5, 0x84) r2 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r2, 0x0, 0x0) fork() rfork(0x82040) socket$inet6_sctp(0x1c, 0x1, 0x84) r3 = socket$inet6_sctp(0x1c, 0x1, 0x84) setsockopt$inet6_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0xf, 0x0, 0x0) socket$inet6_sctp(0x1c, 0x5, 0x84) socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, &(0x7f0000001700)) r4 = kqueue() kevent(r4, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x6, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r5, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) r6 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003080), 0x2, 0x0) ioctl$DIOCGETTIMEOUT(r6, 0xc008441e, &(0x7f00000030c0)={0x5, 0x8}) setsockopt$inet_tcp_int(r5, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4) connect$inet(r5, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10) setsockopt$inet6_sctp_SCTP_EXPLICIT_EOR(r5, 0x84, 0x1b, &(0x7f0000000140)=0x83, 0x4) sendmsg$inet6_sctp(r5, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x129}], 0x1, 0x0, 0x0, 0x81}, 0x0) sendto(r5, &(0x7f0000001740)="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", 0x780, 0x896d2ae35bf21db2, &(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x3, 0x0, @ipv4, 0x2000001}, 0x1c) 309.104922ms ago: executing program 3 (id=296): r0 = socket(0x1c, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000340)={&(0x7f00000003c0)=@in6={0x1c, 0x1c, 0x0, 0x4, @empty}, 0x1c, &(0x7f00000002c0)=[{&(0x7f00000005c0)="3eda62d1d6d147fea04b3c3eed7eaf812e5a9f8ebbb16e27b4cbcc3b3fea510b3baa25da12376be15c706cacbb521201c2c2b28310206b36c47a", 0x3a}], 0x1, 0x0, 0x0, 0x4}, 0x0) shutdown(r0, 0x1) r1 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1000, &(0x7f0000000000)=0x6, 0x4) open$dir(&(0x7f0000000100)='./file0\x00', 0x202, 0x0) getsockopt$inet6_sctp_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xb, &(0x7f0000000500)={0x9, 0x8, 0x2800, 0x1, 0x0, 0x5, 0x8, 0x47, 0x0}, &(0x7f0000000580)=0x20) r3 = socket$inet_sctp(0x2, 0x5, 0x84) sendmsg$inet_sctp(r3, &(0x7f0000000780)={&(0x7f0000000000)=@in6={0x1c, 0x1c, 0x1, 0xff, @rand_addr="cd4e3443d6f0937fae3ba30df5ff1f1b"}, 0x1c, &(0x7f00000006c0)=[{&(0x7f0000000040)}, {&(0x7f00000000c0)="660343ea9e973813ec1c4447c286f23f10e113fe23823880d38ac1d9e61a47e77bb89bb5ceeb7f9be32a1944e031691f2b9c551400ec2d91e625d4b782ff86abb9dbfbd1bd9dcd2438355289f5ee73d4b491be7ce079ba0ab036b2efb8fa993d3ace848e10192fec4f67508e94858eeaeeb8b8e12ab20c387e41ba7c070705916c7ee7dd3748f3941b4699d1e9e8cc46152e7d9f84030519fdd4cea2bbfc8df4eed422b5c53ca80ea6babbd1289f", 0xae}, {&(0x7f0000000180)="cfc4c8700ab35d94ca49a52679a2cb5904e2a401952702e8967c2f65672ade4131fd9c028198301006a0f50511fa23283ca748d7733e0ecc700f77e162f7472fa840d680f8f4128fb810c3b25d34166b79e985a1287a5cb82b6c39b16a50bc29f8709cd796b8d163bd6aee28237eba196d6be116c1dcf89c7639b697b5152fb8df93efb295fde3c3f4c50d822ac7b9ec841566859ac7ef70cae96161", 0x9c}, {&(0x7f0000000240)="dc2de741071bfeff72d669917389d851600503a07668e3cc154901f412f8d267e37176c6f9fe3d9496179cf8d558da8367d23c8a8a73848109e7874093b70167b1937db0429814f2debcf0faa15ad58df83d3b5e8f1431e11b39a4e2", 0x5c}, {&(0x7f0000000ec0)="7e90d8dcc614939bbf87b65ff7cd9360756bcde3df7ff071b268bef62e38b40036741c76a2fe936a2418231fff18b62f558795bfb1083574f7dbdd272eca9ab80dd0e1336971817904dc1aa5534dd2f687f66b4c4ecc80181050b18ce741ca8b5f613917fc9fb774be5bc7b3ae533cff5c3dc341b3957f301d2400c26f98b05299f972dbcada5d42e76f", 0x8a}, {&(0x7f0000000340)="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", 0xfa}, {&(0x7f0000000440)="6344dd1991c6ba5c54d8f719167d1b418e31f8fdccbb080ff8d620867b9b69617a1ba6175b618bbbc08f19c4e0b2981e05e4eb4eac5d38a362423487b8e3629da8c1e13b00498dfce275e77acdd62202b8d0bcf01b911091a886a4464e971fe2569e561ae8ffa7842d908eba9d2389982db36ddadaae5d5c1584bddea8f1f7638a35236cd83da67534913fff3399763ee92aee6c564c0f2f2391c3b96fc2668f8f22573184bb15342b19c23b55af7d9e1dc3da60eb1ed81601c3d01a4b57e0e5216aad3981160d32d67c63ceb637a5f801310c3c46ffe406435bac9663bd73f583c063c458", 0xe5}, {&(0x7f00000008c0)="ab708dfd609cd51f7fbfb9ab8c40d917d61e8eb96054981e5f2899b3adca32466bd1c88f67621a0a02dae6dbacfcebd28073d710d045d2a2d64de2013241b3e3ed2005ea2134a83942ae851899d46667d665e26797d6298e895232b7cec46d8854ee2a75514442c3d6c0", 0x6a}, {&(0x7f00000005c0)="7508e9c395243ab7cc33555eb31be0c81a8447bc28f0448c88d4934096867897d74f2727110d490b8b802dadfa67d700ee578fcdeadf6c2ad921d0bf250df29d1bf5af24fdf3c4650c5ad65e01b0c7ac84362be541bddb1f39ab990393497ae06d736c0b4e01d19635fe9d1c44078cda843e96c75d40f959c25d00a308a824f18680b5107485a3e918f2e9a5666c5a4c034c0c37894196ac924792ac3ddc3b0e77c80837d3cd6a141b472134e6ac99ef0c2a00ef1c110a16dfa3c6420f352c3fd5ba2769a6cffecdaecfce67fc88d2cdd3835784757cbff6cd8b57a70b91961081b27f8e6d033141b0da8b2cd9a72a3229f425", 0xf3}], 0x9}, 0x0) socket$inet6_sctp(0x1c, 0x0, 0x84) pipe2(0x0, 0x100008) socketpair(0x1, 0x2, 0x3, &(0x7f0000000040)={0xffffffffffffffff}) getsockopt$inet6_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xb, &(0x7f0000000080)={0x1, 0x100, 0x4b20, 0x4, 0x326, 0x3, 0x2, 0x8000, 0x0}, &(0x7f0000000140)=0x20) r6 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r3, 0x84, 0x8006, &(0x7f0000000000), &(0x7f00000000c0)=0x8) cap_fcntls_limit(r6, 0xb9f) getsockopt$inet6_sctp_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f00000002c0)={r5, 0x2, 0x16f6d1bf}, &(0x7f0000000300)=0xc) getsockopt$inet6_sctp_SCTP_MAXSEG(r4, 0x84, 0xe, &(0x7f0000000180)={r7, 0x1}, &(0x7f00000001c0)=0x8) r8 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r9 = dup2(r8, r8) ioctl$DIOCRCLRASTATS(r9, 0xc4504448, &(0x7f0000000a40)={{"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", "000083815e6200000400"}, 0x0, 0x14}) socket$inet_sctp(0x2, 0x1, 0x84) r10 = socket(0x1, 0x1, 0x0) ioctl$SMB_SENDB(r10, 0xc0106924, &(0x7f0000000080)={0x10, 0x0, 0xfffc, @byte, @word, 0x0, 0x0, 0x0, 0x0}) freebsd11_fstatat(0xffffffffffffffff, &(0x7f0000002600)='./file1\x00', &(0x7f00000014c0), 0x200) setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000980)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x47, 0x0, 0x0) r11 = openat$crypto(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$CIOCGSESSION2(r11, 0xc040636a, &(0x7f0000000440)={0x0, 0x18, 0xfffffffffffffe9a, 0x0, 0x18, &(0x7f0000000040)="70638953e90cef7e00080000000b000000000000916d99e9", 0x0, 0xfdffffff, [0x2]}) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0xf, &(0x7f0000000600)={r2, 0x3, 0x4}, &(0x7f0000000640)=0xc) 1.142558ms ago: executing program 3 (id=297): openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100), 0x200, 0x0) syz_emit_ethernet(0x125, &(0x7f0000002600)={@local, @random="7004f5b37507", [], {@ipv6={0x86dd, {0x0, 0x6, "d900", 0xef, 0x3a, 0x0, @rand_addr="3bcc2629a17a6c58afb8877c8be162e3", @local={0xfe, 0x80, '\x00', 0x0}, {[], @udp={{0x2, 0x1, 0x8}, {"b9a64d9ff47649314207ab62bf5d4fb2f6f0705b5b56db5ab8482a2d9648b6b5b421a5342c5a3e553de7db0991c6c81321b2c9dbb2bb18a06db3a12143e31d31223cfcb70d2b58850617b88794a90d8c180fd6010a2e679e427a51b3376c1cc602e9eeba8d600bde400ec64821263fbf425d68de1b798803e0cde1aa1247dcead1d944988a609ad34c10328dfbf97368fe784800000000000011bce4c6a61dec481764de7bcffe0c02674ece2223e752edbda8cc1311b13e7e92bb1b3fed91a85b05b65d83e62c68e70de3a617eddf0cbe9875e7ca4906e28c243ec493e8822abf5468826e7893"}}}}}}}) mkdir(&(0x7f0000000500)='./file1\x00', 0x0) open$dir(&(0x7f0000000100)='./file0\x00', 0xcc7994e1cca99bd5, 0x0) socket$inet6_sctp(0x1c, 0x1, 0x84) ksem_trywait(0x0) ksem_init(&(0x7f0000000000)=0x0, 0x0) r1 = socket$inet6_sctp(0x1c, 0x5, 0x84) getsockopt$inet6_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x22, &(0x7f0000000080)={0x3}, &(0x7f00000000c0)=0xc) ksem_trywait(r0) r2 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0xa, &(0x7f00000002c0)={@in6={{0x1c, 0x1c, 0x0, 0xfffffffc, @loopback, 0x7}}, 0x0, 0x0, 0x0, 0x85, 0x0, 0xfff5}, 0xfea0) socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x88, &(0x7f0000002580)={0x10, 0x2, 0x2, @rand_addr}, 0x10) getsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_RECVNXTINFO(0xffffffffffffffff, 0x84, 0x20, 0x0, 0x0) ksem_wait(r0) ksem_destroy(r0) getpid() r3 = openat$filemon(0xffffffffffffff9c, &(0x7f0000000440), 0x0, 0x0) open$dir(&(0x7f0000000040)='./file1\x00', 0x40000400000002c6, 0x0) ioctl$FILEMON_SET_PID(r3, 0xc0045302, &(0x7f0000000100)) socket$inet_sctp(0x2, 0x0, 0x84) socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, 0x0, 0x0) r4 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r4, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x10, 0x2, 0x3, @rand_addr=0x2}, 0x10) socket$inet6_sctp(0x1c, 0x5, 0x84) rfork(0x3060) kmq_open(0x0, 0x1, 0x83, 0x0) 0s ago: executing program 2 (id=305): r0 = socket(0x0, 0x20000000, 0x8) accept(r0, &(0x7f0000000000)=@un=@abs={0x8}, 0x0) setresuid(0xee01, 0x0, 0x0) openat$filemon(0xffffffffffffff9c, &(0x7f0000000440), 0x0, 0x0) mkdir(&(0x7f0000000500)='./file0\x00', 0x102) pathconf(&(0x7f00000001c0)='./file0\x00', 0x3e) rfork(0x0) r1 = openat$filemon(0xffffffffffffff9c, &(0x7f0000000080), 0x100, 0x0) r2 = getpid() r3 = openat$filemon(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$FILEMON_SET_PID(r3, 0xc0045302, &(0x7f0000000500)=r2) r4 = setsid() ioctl$FILEMON_SET_PID(r1, 0xc0045302, &(0x7f0000000140)=r4) r5 = socket$inet6_sctp(0x1c, 0x1, 0x84) connect$inet6(r5, &(0x7f0000000080)={0x1c, 0x1c, 0x3, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c) setsockopt$inet6_sctp_SCTP_PEER_ADDR_PARAMS(r5, 0x84, 0xa, &(0x7f00000000c0)={@in={{0x10, 0x2, 0x0, @rand_addr}}, 0x0, 0x0, 0x5, 0x0, 0x7, 0x405, 0x3}, 0x98) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.101' (ED25519) to the list of known hosts. if_delmulti_locked: detaching ifnet instance 0xfffffe0054220000 if_delmulti_locked: detaching ifnet instance 0xfffffe0054220000 Expensive callout(9) function: 0xffffffff81431b00(0xfffffe0074e46e60) 0.014083478 s ip6_pcbopts: all specified options are cleared. if_delmulti_locked: detaching ifnet instance 0xfffffe006e3db800 if_delmulti_locked: detaching ifnet instance 0xfffffe006e3db800 if_delmulti_locked: detaching ifnet instance 0xfffffe006e3db800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058725800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058725800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058725800 SYZFAIL: SIGFPE Connection to 10.128.1.101 closed by remote host. if_delmulti_locked: detaching ifnet instance 0xfffffe0058726800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058726800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058726800 FreeBSD/amd64 (ci-freebsd-main-5.us-central1-b.c.syzkaller.internal) (ttyu0) login: if_delmulti_locked: detaching ifnet instance 0xfffffe005421f000 if_delmulti_locked: detaching ifnet instance 0xfffffe005421f000 if_delmulti_locked: detaching ifnet instance 0xfffffe005421f000 FreeBSD/amd64 (ci-freebsd-main-5.us-central1-b.c.syzkaller.internal) (ttyu0) login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058726800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058726800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058726800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058725800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058725800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058725800 pid 827 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped) pid 747 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 761 (csh), jid 0, uid 0: exited on signal 8 (core dumped) pid 736 (sh), jid 0, uid 0: exited on signal 8 (core dumped) pid 744 (getty), jid 0, uid 0: exited on signal 8 (core dumped) Limiting ICMPv6 bad IPv6 header output from 174 to 94 packets/sec set $lines = 0 pid 338 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped) Password:pid 746 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 743 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 335 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped) pid 741 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 745 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 740 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 742 (getty), jid 0, uid 0: exited on signal 8 (core dumped) Limiting ICMPv6 bad IPv6 header output from 178 to 103 packets/sec Login incorrect login: pid 1161 (syz-executor), jid 0, uid 0: exited on signal 8 (core dumped) if_delmulti_locked: detaching ifnet instance 0xfffffe006e3db800 if_delmulti_locked: detaching ifnet instance 0xfffffe006e3db800 if_delmulti_locked: detaching ifnet instance 0xfffffe006e3db800 if_delmulti_locked: detaching ifnet instance 0xfffffe005421f000 if_delmulti_locked: detaching ifnet instance 0xfffffe005421f000 if_delmulti_locked: detaching ifnet instance 0xfffffe005421f000 Limiting ICMPv6 bad IPv6 header output from 184 to 99 packets/sec show registers Password:Limiting ICMPv6 bad IPv6 header output from 184 to 106 packets/sec Login incorrect login: Limiting ICMPv6 bad IPv6 header output from 186 to 95 packets/sec ps Password:Limiting ICMPv6 bad IPv6 header output from 184 to 96 packets/sec Login incorrect login: Limiting ICMPv6 bad IPv6 header output from 184 to 98 packets/sec show malloc Password:Limiting ICMPv6 bad IPv6 header output from 186 to 95 packets/sec Login incorrect Limiting ICMPv6 bad IPv6 header output from 184 to 101 packets/sec Limiting ICMPv6 bad IPv6 header output from 186 to 94 packets/sec