Autoloading module: intpm.ko Starting background file system checks in 60 seconds. Sun Mar 31 18:14 FreeBSD/amd64 (ci-freebsd-main-8.c.syzkaller.internal) (ttyu0) Warning: Permanently added '10.128.0.92' (ECDSA) to the list of known hosts. 2019/03/31 18:14:15 fuzzer started 2019/03/31 18:14:15 dialing manager at 10.128.0.248:46658 2019/03/31 18:14:15 syscalls: 1 2019/03/31 18:14:15 code coverage: enabled 2019/03/31 18:14:15 comparison tracing: enabled 2019/03/31 18:14:15 extra coverage: support is not implemented in syzkaller 2019/03/31 18:14:15 setuid sandbox: support is not implemented in syzkaller 2019/03/31 18:14:15 namespace sandbox: support is not implemented in syzkaller 2019/03/31 18:14:15 Android sandbox: support is not implemented in syzkaller 2019/03/31 18:14:15 fault injection: support is not implemented in syzkaller 2019/03/31 18:14:15 leak checking: support is not implemented in syzkaller 2019/03/31 18:14:15 net packet injection: enabled 2019/03/31 18:14:15 net device setup: support is not implemented in syzkaller 18:14:25 executing program 0: r0 = socket$inet6(0x1c, 0x1, 0x1) getsockopt$inet6_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x14, &(0x7f0000000000)={0x5, [0x4c8f35df, 0x975, 0xaf31, 0x695, 0x9]}, &(0x7f0000000040)=0xe) getsockname(r0, &(0x7f0000000080)=@in={0x2, 0xffffffffffffffff, @multicast1}, &(0x7f00000000c0)=0x10) getsockname(r0, &(0x7f0000000100)=@in6={0x1c, 0xffffffffffffffff, 0x0, @loopback}, &(0x7f0000000140)=0x1c) getsockopt$inet6_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x15, &(0x7f0000000180)={0x0, 0x5}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f0000000200)={@in6={{0x1c, 0x2, 0x7, @local={0xfe, 0x80, [], 0x0}, 0x80000001}}, r1, 0x8, 0x200, 0x2, 0x80, 0x2, 0x6}, 0x98) r2 = dup2(r0, r0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x15, &(0x7f00000002c0)={r1, 0x80}, 0x8) r3 = socket$inet6(0x1c, 0x0, 0x100000001) setsockopt$inet_sctp_SCTP_CONTEXT(r2, 0x84, 0x1a, &(0x7f0000000300)={r1, 0x4}, 0x8) shmget$private(0x0, 0x1000, 0x12, &(0x7f0000ffd000/0x1000)=nil) setsockopt$inet6_sctp_SCTP_MAX_BURST(r0, 0x84, 0x19, &(0x7f0000000340)={r1, 0x400}, 0x8) bind(r0, &(0x7f0000000380)=@in6={0x1c, 0x3, 0x5, @empty, 0x8}, 0x1c) r4 = socket$inet6(0x1c, 0x10000005, 0x4) setsockopt$inet_sctp_SCTP_BINDX_ADD_ADDR(r2, 0x84, 0x8001, &(0x7f0000000440)={r1, &(0x7f00000003c0)=[@in6={0x1c, 0x1, 0x7, @loopback, 0x6}, @in6={0x1c, 0x2, 0xfc0000000000, @loopback, 0xfffffffffffff801}, @in={0x2, 0x2, @remote={0xac, 0x14, 0x0}}, @in6={0x1c, 0x0, 0x98, @local={0xfe, 0x80, [], 0x0}, 0x7}]}, &(0x7f0000000480)=0x10) getsockopt$inet_sctp_SCTP_STATUS(r2, 0x84, 0x100, &(0x7f00000004c0)={r1, 0x1, 0x1000, 0x6, 0x5, 0x1000, 0xff, 0x242a6c5b, {@in={{0x2, 0x3, @multicast2}}, r1, 0x6, 0x99, 0x80000000, 0x5b90f82f, 0x400}}, &(0x7f0000000580)=0xb8) getsockopt$inet6_sctp_SCTP_MAX_BURST(r2, 0x84, 0x19, &(0x7f00000005c0)={r1, 0xb8}, &(0x7f0000000600)=0x8) setsockopt$inet6_buf(r0, 0x29, 0x50, &(0x7f0000000640)="ba9b9e99984d0f6dd4d4f69490ba40022a684f98f70f3d2d2e6408196b32b27fa41b7d218fa0fe39502e2379badf256cbf0d5b7262979d6b1252f4fe9bfa87ce25a999c91c51dac407fa4503c1053cca192dd940eb5c129bff", 0x59) connect(r0, &(0x7f00000006c0)=@in={0x2, 0x0, @broadcast}, 0x10) setsockopt$inet6_sctp_SCTP_HMAC_IDENT(r4, 0x84, 0x14, &(0x7f0000000700)={0x6, [0x2, 0x0, 0x6, 0x9, 0x2, 0x527]}, 0x10) setsockopt$inet6_group_source_req(r3, 0x29, 0x55, &(0x7f0000000740)={0x7, {{0x1c, 0x3, 0x81, @remote={0xfe, 0x80, [], 0x0}, 0x7}}, {{0x1c, 0x1, 0xcf, @loopback, 0x7fff}}}, 0x108) link(&(0x7f0000000880)='./file0\x00', &(0x7f00000008c0)='./file0\x00') getsockopt$inet_tcp_buf(r2, 0x6, 0x25, &(0x7f0000000900)=""/118, &(0x7f0000000980)=0x76) ppoll(&(0x7f00000009c0)=[{r4, 0x80}, {r0, 0x100}, {r4, 0xa}, {r0, 0x4}, {r3, 0x50}, {r3, 0x2004}], 0x6, &(0x7f0000000a00)={0x7, 0x34}, &(0x7f0000000a40)={0x1}, 0x8) getsockopt$inet6_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xb, &(0x7f0000000a80)={0x1, 0x4, 0x10, 0x8, 0x8, 0x100000000, 0x7ff, 0x8, r5}, &(0x7f0000000ac0)=0x20) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x26, &(0x7f0000000b00)={r6, 0x1}, 0x8) sendto$inet6(r0, &(0x7f0000000b40)="ba6bde34b57b3688c00d8ef318573cc18f5de1a4dd33f425c50967a6dfcd97eb50cb6cff11bd35a078374462fffaea775e0aaa1eb298407117984a49e291ad6e255a405baa2de9596c8588bcf259ec69d23fcf05dde205541e51a7576fa85e1049cd7631de7e237a30339d59b64b8046251d8ef49cabc9a393a2ffe90e1e23569bcee4337c9a8b2e2ef04a76761724e708eba772f991", 0x96, 0x20000, &(0x7f0000000c00)={0x1c, 0x3, 0x0, @remote={0xfe, 0x80, [], 0x0}, 0x8}, 0x1c) setsockopt$inet_sctp_SCTP_EXPLICIT_EOR(r2, 0x84, 0x1b, &(0x7f0000000c40)=0x4, 0x4) getsockopt$inet6_sctp_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x29, &(0x7f0000000c80)={r5, 0x77083413}, &(0x7f0000000cc0)=0x8) syz_extract_tcp_res$synack(&(0x7f0000000d00), 0x1, 0x0) 18:14:25 executing program 1: r0 = fcntl$dupfd(0xffffffffffffff9c, 0x11, 0xffffffffffffff9c) utimensat(r0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={{0x400, 0x81}, {0xfffffffffffffffe, 0x8}}, 0x200) r1 = msgget$private(0x0, 0x10) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDRESSES(r0, 0x84, 0x8003, &(0x7f00000000c0)={0x0, &(0x7f0000000080)=[@in6={0x1c, 0xffffffffffffffff, 0x0, @remote}, @in6]}, &(0x7f0000000100)=0x10) setsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x1a, &(0x7f0000000140)={r2, 0x9}, 0x8) setsockopt$inet6_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xd, &(0x7f0000000180)=0x100000001, 0x4) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x105, &(0x7f00000001c0)={0x2, [0x0, 0x0]}, &(0x7f0000000200)=0xc) getpeername(r0, &(0x7f0000000240)=@un=@abs, &(0x7f0000000280)=0x8) setsockopt$inet6_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x14, &(0x7f00000002c0)={0x7, [0x8, 0x3, 0x0, 0x3f, 0x1f, 0x7, 0x78]}, 0x12) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x15, &(0x7f0000000300)={r3, 0x46}, &(0x7f0000000340)=0x8) utimensat(r0, &(0x7f0000000380)='./file0\x00', &(0x7f00000003c0)={{0xffff}, {0x1ff, 0x6}}, 0x0) getsockopt$inet6_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0xf, &(0x7f0000000400)={r3, 0x7, 0x9e09}, &(0x7f0000000440)=0xc) setsockopt$inet6_sctp_SCTP_AUTH_CHUNK(r0, 0x84, 0x12, &(0x7f0000000480)={0x4}, 0x1) r4 = accept4(r0, &(0x7f00000004c0)=@in={0x2, 0xffffffffffffffff, @broadcast}, &(0x7f0000000500)=0x10, 0x20000000) msgsnd(r1, &(0x7f0000000540)={0x3, "c4612da6190834e21724f54d452e22e09a2a545c05642325f51aa4899454f4b00ae3f79fbdc1af256e12a2867b28d7403e6115987cefb7e2492cfc8aa5a263ccc5d818ece84f56b98c8c03e0d150d256019a1cf5f80055123b4b885157fdcf600d9bdb608bbe06c5564106d2b970178a298b38cdea7a9fd9768de791827e60e2c0362c1f70965ea4a827148254fdab9121a409bc53adb073ed586f5ca2ed2b4830734adaa3af18c79316e1bfe29c53ed373e1184d1b35e3c55dd0de3f6d3131dbb43a1e70b5153b1c3638fd0"}, 0xd4, 0x800) getsockopt$inet_sctp_SCTP_EVENT(r0, 0x84, 0x1e, &(0x7f0000000640)={r2, 0xd, 0x100}, &(0x7f0000000680)=0x8) msgrcv(r1, &(0x7f00000006c0)={0x0, ""/240}, 0xf8, 0x0, 0x1800) renameat(r0, &(0x7f00000007c0)='./file0\x00', r0, &(0x7f0000000800)='./file0\x00') getpeername(r4, &(0x7f0000000840)=@un=@file={0x0, ""/38}, &(0x7f0000000880)=0x28) r5 = accept$inet6(r4, 0x0, &(0x7f00000008c0)) setsockopt$inet6_sctp_SCTP_PEER_ADDR_PARAMS(r4, 0x84, 0xa, &(0x7f0000000900)={@in={{0x2, 0x0, @remote={0xac, 0x14, 0x0}}}, r2, 0x100000000, 0x100000000, 0x200, 0xc0000000, 0x3, 0x7ff}, 0xa0) getsockopt$inet6_sctp_SCTP_RTOINFO(r0, 0x84, 0x1, &(0x7f00000009c0)={r3, 0x28b, 0xfff, 0x7}, &(0x7f0000000a00)=0x10) msgrcv(r1, &(0x7f0000000a40)={0x0, ""/19}, 0x1b, 0x3, 0x1000) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x105, &(0x7f0000000a80)={0x8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000ac0)=0x24) poll(&(0x7f0000000b00)=[{r5, 0x20a7}, {r5, 0x10}, {r0, 0x1}, {r4, 0x40}, {r0, 0xc0}, {r0}], 0x6, 0x8b9) freebsd11_stat(&(0x7f0000000b80)='./file0\x00', &(0x7f0000000bc0)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x3, &(0x7f0000000c40)=[0x0, 0x0, 0xffffffffffffffff]) fchownat(r0, &(0x7f0000000b40)='./file0\x00', r7, r8, 0x200) setsockopt$inet6_sctp_SCTP_CONNECT_X(r5, 0x84, 0x8007, &(0x7f0000000cc0)={0x9, &(0x7f0000000c80)=[@in={0x2, 0x2}, @in={0x2, 0x2, @local={0xac, 0x14, 0x0}}, @in={0x2, 0x3, @broadcast}, @in={0x2, 0x3, @rand_addr=0x80000000}]}, &(0x7f0000000d00)=0x10) getsockopt$inet6_sctp_SCTP_AUTH_ACTIVE_KEY(r4, 0x84, 0x15, &(0x7f0000000d40)={r6, 0xa9}, &(0x7f0000000d80)=0x8) 18:14:25 executing program 2: r0 = dup(0xffffffffffffffff) sendto$inet6(r0, &(0x7f0000000000)="0e53aec60140218f71cab0e76cc6f40c99abe279c281f463582b435e2b864921877663332ab9b0670187a3e2a4fccb21b848babc2d632cd7c045122b83778cbbc3233e977aa4ab856f2e49a6b76f1127f6d509fb37ff949811a2dc2682aa77cc99d4e541daea3f3162dca8f40cb7df3da5", 0x71, 0x20180, &(0x7f0000000080)={0x1c, 0x0, 0x90a, @empty, 0x28}, 0x1c) r1 = socket(0x17, 0x5, 0xff) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r1, 0x84, 0x101, &(0x7f00000000c0)={@in={{0x2, 0x2, @remote={0xac, 0x14, 0x0}}}, 0x0, 0x800, 0x7, 0x6, 0x80, 0x8}, &(0x7f0000000180)=0xa0) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x29, &(0x7f00000001c0)={r2, 0x1e2}, 0x8) getsockopt$inet6_tcp_buf(r0, 0x6, 0x401, &(0x7f0000000200)=""/141, &(0x7f00000002c0)=0x8d) sendfile(r1, r0, &(0x7f0000000300), 0xcd09) setsockopt$inet6_sctp_SCTP_EXPLICIT_EOR(r0, 0x84, 0x1b, &(0x7f0000000340)=0x1, 0x4) fstat(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) freebsd11_stat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fchownat(r0, &(0x7f0000000380)='./file0\x00', r3, r4, 0x400) sendfile(r0, r1, 0x0, 0x3) getsockopt$inet_mreqsrc(r0, 0x0, 0x0, &(0x7f0000000580)={@multicast1, @broadcast, @multicast2}, &(0x7f00000005c0)=0xc) r5 = socket$inet(0x2, 0x0, 0xfff) getsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x21, &(0x7f0000000600)={0x100000001, 0x0, 0x2, 0x10000, r2}, &(0x7f0000000640)=0x10) setsockopt$inet_sctp_SCTP_EVENT(r1, 0x84, 0x1e, &(0x7f0000000680)={r2, 0x7, 0x5}, 0x8) setsockopt$inet_sctp_SCTP_EVENT(r0, 0x84, 0x1e, &(0x7f00000006c0)={r6, 0xf, 0x3}, 0x8) fchown(r1, r3, r4) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x900, &(0x7f0000000700)={r6, 0x7fff}, &(0x7f0000000740)=0x8) fstat(r5, &(0x7f0000000780)) getpeername$inet6(r1, &(0x7f0000000880)={0x1c, 0xffffffffffffffff, 0x0, @local}, &(0x7f00000008c0)=0x1c) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r1, 0x84, 0xf, &(0x7f0000000900)={r2, 0x0, 0x6}, &(0x7f0000000940)=0xc) setsockopt$inet6_group_source_req(r1, 0x29, 0x0, &(0x7f0000000980)={0x1, {{0x1c, 0x3, 0x24, @local={0xfe, 0x80, [], 0x0}, 0x7f}}, {{0x1c, 0x2, 0x101, @loopback, 0x522}}}, 0x108) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000000ac0)={r8, 0x3, 0x5}, &(0x7f0000000b00)=0xc) setsockopt$inet6_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000b40)={@in6={{0x1c, 0x1, 0x1, @empty, 0x5}}, r6}, 0x84) freebsd11_stat(&(0x7f0000000c00)='./file0\x00', &(0x7f0000000c40)) sendto$inet6(r1, &(0x7f0000000cc0)="b891be525d35", 0x6, 0x5, 0x0, 0x0) setsockopt$inet6_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x23, &(0x7f0000000d00)={@in6={{0x1c, 0x2, 0x3, @empty, 0x6}}, r7, 0x8000000000000, 0x8, 0x7}, 0x8c) poll(&(0x7f0000000dc0)=[{r5, 0x12}], 0x1, 0x100) poll(&(0x7f0000000e00)=[{r0}, {r5}, {r5}, {r0, 0x60}, {r5, 0x1b1}], 0x5, 0x9) 18:14:25 executing program 3: r0 = getpid() getpgrp(r0) shmget$private(0x0, 0x200000, 0x400, &(0x7f0000e00000/0x200000)=nil) r1 = accept4$inet(0xffffffffffffff9c, 0x0, &(0x7f0000000000), 0x10000000) getsockopt$inet_int(r1, 0x0, 0x43, &(0x7f0000000040), &(0x7f0000000080)=0x4) getsockopt$inet_sctp_SCTP_REUSE_PORT(r1, 0x84, 0x1c, &(0x7f00000000c0), &(0x7f0000000100)=0x4) setsockopt$inet_msfilter(r1, 0x0, 0x4a, &(0x7f0000000140)={@rand_addr=0x101, @rand_addr=0x9338, 0x0, 0x3, [@broadcast, @rand_addr=0x7, @empty]}, 0x1c) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x19, &(0x7f0000000180)={0x0}, &(0x7f00000001c0)=0x8) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x900, &(0x7f0000000200)={r2, 0x2}, &(0x7f0000000240)=0x8) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r1, 0x84, 0x1f, &(0x7f0000000280), &(0x7f00000002c0)=0x4) shmget$private(0x0, 0x4000, 0x209, &(0x7f0000f88000/0x4000)=nil) r4 = socket(0x17, 0x3, 0x3) setsockopt$inet6_sctp_SCTP_AUTO_ASCONF(r4, 0x84, 0x18, &(0x7f0000000300)=0x5, 0x4) setsockopt$inet6_sctp_SCTP_REUSE_PORT(r1, 0x84, 0x1c, &(0x7f0000000340)=0x4, 0x4) connect(r1, &(0x7f0000000380)=@in={0x2, 0x3, @multicast2}, 0x10) freebsd11_lstat(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0xa, &(0x7f0000000480)=[0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0, 0x0]) setregid(r5, r6) truncate(&(0x7f00000004c0)='./file0\x00', 0x8f) r7 = msgget(0x1, 0x448) msgctl$IPC_RMID(r7, 0x0) getsockopt$inet6_sctp_SCTP_CONTEXT(r4, 0x84, 0x1a, &(0x7f0000000500)={r3, 0x3}, &(0x7f0000000540)=0x8) setsockopt$inet_tcp_int(r4, 0x6, 0x102e, &(0x7f0000000580)=0x3, 0x4) r8 = semget(0x2, 0x3, 0x100) __semctl$IPC_RMID(r8, 0x0, 0x0) r9 = dup(r1) utimensat(r9, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)={{0x35d, 0x1f}, {0x2, 0x7f}}, 0x0) lseek(r1, 0x0, 0x4) setsockopt$inet6_sctp_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x22, &(0x7f0000000640)={0x3, 0x9, r2}, 0xc) setsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r9, 0x84, 0x11, &(0x7f0000000680)=0x9, 0x4) 18:14:25 executing program 3: msync(&(0x7f0000f29000/0x4000)=nil, 0x4000, 0x0) munmap(&(0x7f0000f37000/0x3000)=nil, 0x3000) openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0, 0x0) mlock(&(0x7f0000a00000/0x600000)=nil, 0x600000) munmap(&(0x7f0000d75000/0xb000)=nil, 0x1f470000) msync(&(0x7f0000a14000/0x2000)=nil, 0x2000, 0x0) 18:14:25 executing program 3: r0 = open(&(0x7f0000000200)='./file0\x00', 0x300, 0x0) r1 = open(&(0x7f0000000100)='./file0\x00', 0x0, 0x0) fcntl$lock(r1, 0x8, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x100000001}) r2 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) fcntl$lock(r2, 0xd, &(0x7f0000000040)={0x0, 0x2, 0x2, 0x100000001}) r3 = open(&(0x7f00000000c0)='./file0\x00', 0x205, 0x0) fcntl$lock(r3, 0x9, &(0x7f0000000000)={0x2, 0x2, 0xffffffffffffff7f, 0x1000300010005}) getsockopt$inet6_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x22, &(0x7f0000000140)={0x1, 0xffff, 0x0}, &(0x7f0000000180)=0xc) getsockopt$inet_sctp_SCTP_EVENT(r0, 0x84, 0x1e, &(0x7f00000001c0)={r4, 0x0, 0x8}, &(0x7f0000000240)=0x8) 18:14:25 executing program 3: clock_nanosleep(0x0, 0x0, &(0x7f0000000100)={0x860}, &(0x7f0000000140)) pipe2(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}, 0x100000) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x11, &(0x7f0000000280)=0x5, 0xfffffffffffffd8d) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x10002, 0x10) getsockopt$inet6_sctp_SCTP_MAXSEG(r1, 0x84, 0xe, &(0x7f00000000c0)={0x0, 0x3f}, &(0x7f0000000180)=0x8) setsockopt$inet_sctp_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x1d, &(0x7f00000001c0)={r2, 0x7f}, 0x8) getsockopt$inet6_udp(r1, 0x11, 0x1, &(0x7f0000000040), &(0x7f0000000080)=0x4) mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x0) execve(0x0, 0x0, 0x0) 18:14:25 executing program 3: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) ftruncate(r0, 0x400000000101) r1 = open$dir(&(0x7f0000000200)='./file0\x00', 0x28187, 0xffffffffffffffff) ftruncate(r0, 0x80000001) recvfrom$unix(r0, &(0x7f00000000c0)=""/232, 0xe8, 0xc1, &(0x7f00000001c0)=@abs={0x0, 0x0, 0x3}, 0x8) pwritev(r1, 0x0, 0x0, 0x0) readv(r1, &(0x7f0000000240)=[{&(0x7f0000000000)=""/186, 0xba}], 0x1) 18:14:26 executing program 0: semget$private(0x0, 0x1, 0xf2f0c82bbb49de88) r0 = semget(0xffffffffffffffff, 0x4, 0x0) r1 = socket$inet6_udp(0x1c, 0x2, 0x0) r2 = fcntl$dupfd(r1, 0x3, 0xffffffffffffffff) execve(0x0, 0x0, &(0x7f00000004c0)=[&(0x7f0000000400)='\x00', &(0x7f0000000440)='\x00']) writev(r2, &(0x7f0000000280), 0x26) writev(r2, &(0x7f0000000100), 0x100000000000005d) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r2, 0x84, 0x901, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDRESSES(r2, 0x84, 0x8003, &(0x7f00000000c0)={0x0, 0x0}, 0x0) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000000000)={r3, 0x7, 0x7ff}, &(0x7f0000000180)=0xc) getsockopt$inet6_sctp_SCTP_NODELAY(0xffffffffffffffff, 0x84, 0x4, 0x0, 0x0) setsockopt$inet6_sctp_SCTP_AUTH_DELETE_KEY(0xffffffffffffffff, 0x84, 0x16, 0x0, 0x85) r4 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x0) truncate(0x0, 0x208020001) lseek(r4, 0x0, 0x1000000000003) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r4, 0x0, 0x50, 0x0, 0x0) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0) semop(r0, &(0x7f0000000040)=[{0x0, 0x20, 0x800}, {0x0, 0x0, 0x1000}], 0x2) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x105, &(0x7f0000000140)={0x4, [0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x14) setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(0xffffffffffffffff, 0x84, 0x16, 0x0, 0x0) setsockopt$inet_sctp_SCTP_REUSE_PORT(0xffffffffffffffff, 0x84, 0x1c, 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(0xffffffffffffffff, 0x84, 0x104, 0x0, 0x0) execve(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r4, 0x84, 0x11, 0x0, 0x0) 18:14:26 executing program 1: r0 = accept4(0xffffffffffffffff, 0x0, &(0x7f0000000000), 0x30000000) getsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffff9c, 0x84, 0x21, &(0x7f0000000040)={0x60a, 0x210, 0x80, 0x296d, 0x0}, &(0x7f0000000080)=0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f0000000100)={@in6={{0x1c, 0x1, 0x0, @local={0xfe, 0x80, [], 0x0}, 0x800}}, r1, 0xfd, 0x100000001, 0x81, 0x8001, 0x3, 0x80}, 0x98) pipe2(&(0x7f0000000500), 0x0) poll(&(0x7f00000000c0)=[{}], 0x29a, 0x0) 18:14:26 executing program 2: r0 = socket$inet6_udp(0x1c, 0x2, 0x0) r1 = dup(r0) connect$unix(r1, &(0x7f00000003c0)=@abs={0xf64cb340ce081cac, 0x3}, 0x1c) sendto$unix(r1, 0x0, 0x0, 0x3, 0x0, 0x0) getsockopt$inet_buf(r1, 0x0, 0x57, &(0x7f0000000000)=""/109, &(0x7f0000000080)=0x6d) 18:14:26 executing program 0: semget$private(0x0, 0x1, 0xf2f0c82bbb49de88) r0 = semget(0xffffffffffffffff, 0x4, 0x0) r1 = socket$inet6_udp(0x1c, 0x2, 0x0) r2 = fcntl$dupfd(r1, 0x3, 0xffffffffffffffff) execve(0x0, 0x0, &(0x7f00000004c0)=[&(0x7f0000000400)='\x00', &(0x7f0000000440)='\x00']) writev(r2, &(0x7f0000000280), 0x26) writev(r2, &(0x7f0000000100), 0x100000000000005d) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r2, 0x84, 0x901, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDRESSES(r2, 0x84, 0x8003, &(0x7f00000000c0)={0x0, 0x0}, 0x0) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000000000)={r3, 0x7, 0x7ff}, &(0x7f0000000180)=0xc) getsockopt$inet6_sctp_SCTP_NODELAY(0xffffffffffffffff, 0x84, 0x4, 0x0, 0x0) setsockopt$inet6_sctp_SCTP_AUTH_DELETE_KEY(0xffffffffffffffff, 0x84, 0x16, 0x0, 0x85) r4 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x0) truncate(0x0, 0x208020001) lseek(r4, 0x0, 0x1000000000003) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r4, 0x0, 0x50, 0x0, 0x0) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0) semop(r0, &(0x7f0000000040)=[{0x0, 0x20, 0x800}, {0x0, 0x0, 0x1000}], 0x2) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x105, &(0x7f0000000140)={0x4, [0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x14) setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(0xffffffffffffffff, 0x84, 0x16, 0x0, 0x0) setsockopt$inet_sctp_SCTP_REUSE_PORT(0xffffffffffffffff, 0x84, 0x1c, 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(0xffffffffffffffff, 0x84, 0x104, 0x0, 0x0) execve(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r4, 0x84, 0x11, 0x0, 0x0) 18:14:26 executing program 3: mprotect(&(0x7f000037f000/0x1000)=nil, 0x1000, 0x0) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) fchmod(r0, 0x80) mlock(&(0x7f00001d7000/0x600000)=nil, 0x600000) freebsd10_pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) freebsd11_lstat(0x0, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3, 0x11, r1, 0x0) 18:14:26 executing program 2: getegid() syz_extract_tcp_res(0x0, 0x3ff, 0x0) 18:14:26 executing program 2: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f0000000180)='./file0\x00', 0x208020001) lseek(r0, 0x0, 0x1000000000003) poll(&(0x7f00000000c0)=[{r0, 0x19}], 0x1, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x0, 0x50, 0x0, 0x0) open$dir(&(0x7f0000000080)='./file0\x00', 0x118688, 0x180) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x103, &(0x7f0000000040)=ANY=[@ANYRES32=0x0, @ANYBLOB="528c4ce7"], 0x0) setsockopt$inet6_sctp_SCTP_EVENT(r0, 0x84, 0x1e, &(0x7f0000000100)={r1, 0xb0d07eeec918c049, 0x8e}, 0x8) r2 = getpid() fcntl$lock(r0, 0xf, &(0x7f00000001c0)={0xb4a2bb0845923506, 0x6, 0xff, 0x3, r2}) setsockopt$inet_udp(0xffffffffffffffff, 0x11, 0x0, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0xf, 0x0, 0x0) setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(0xffffffffffffffff, 0x84, 0x16, 0x0, 0xfffffffffffffd14) accept4$unix(r0, &(0x7f0000000280)=ANY=[@ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005f0000000000000000000000000000fc710be8131495d6f2db3922a439e50fe7e4201f301ae40c31a07b0b570f1d6400"], &(0x7f0000000140)=0x6e, 0x30000000) setsockopt$inet_sctp_SCTP_REUSE_PORT(0xffffffffffffffff, 0x84, 0x1c, 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(0xffffffffffffffff, 0x84, 0x104, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffffff, 0x84, 0x107, 0x0, 0x0) open(&(0x7f0000000000)='./file0\x00', 0xa84, 0x40) 18:14:26 executing program 3: r0 = semget(0x0, 0x0, 0xa0) r1 = getuid() freebsd11_stat(&(0x7f0000000380)='./file0\x00', &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) freebsd11_stat(&(0x7f0000000440)='./file0\x00', &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getegid() __semctl$IPC_SET(r0, 0x0, 0x1, &(0x7f0000000580)={{0x9, r1, r2, r3, r4, 0x80, 0xcb6}, 0x100, 0x8, 0x3f}) r5 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f0000000100)='./file0\x00', 0x608020001) lseek(r5, 0x0, 0x1000000000003) poll(&(0x7f00000000c0)=[{r5}], 0x1, 0x0) truncate(&(0x7f0000000140)='./file0\x00', 0xffffffffffff5355) sendto$inet6(r5, &(0x7f0000000080)="1edbcd71da0dadc27e0d0c85f94ee049e0581867a57f48577939d797c98ed657c9981e5baeb25a8a01869de009d8f37866ee2df8", 0x34, 0x20000, 0x0, 0x0) setsockopt$inet6_sctp_SCTP_FRAGMENT_INTERLEAVE(r5, 0x84, 0x10, &(0x7f0000000240)=0x7, 0x4) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000740)={0xffffffffffffffff}) sendto$inet6(r5, &(0x7f0000000180)="612e632c9229b2023e864d258758c955261d2af6a7f30c0751ee0ec1da7831073f78e8f9075f962e861c393315f3edbe5a5893b7e5a94c26a709a8ec9c14aa8eedabc0ed24ff10bd76b8403d238f9e4e4a9f348a23fbc4aca8c67b3c3e34ff850505e4c4f16e0e288cf0e5d19585d5f50c739bc07e47cf5026e8254ce3b27c0ad9f3d420ed89b64bd81d1759af0f54bc1ddbf5984788019c373ab9baa8ff91573784300b87", 0xa5, 0x4, 0x0, 0x0) setsockopt$sock_int(r6, 0xffff, 0x1001, &(0x7f0000000000)=0x43cbc, 0x4) getsockopt$inet_sctp_SCTP_RECVNXTINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f0000000600), &(0x7f0000000640)=0x4) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r5, 0x84, 0x5, &(0x7f0000000340)=0x8, 0x4) r7 = dup(r6) sendto$inet6(r7, &(0x7f0000000040), 0x43cbc, 0x0, 0x0, 0x0) sendto$inet6(r7, &(0x7f0000000480)="3f3e4f2902d68d45949ebaa9ecb07e070000009b273b4a854539896dc4ab8ff9725c5f97238040ed815015e3b99f805e9b3c6a010000006bb71ea33c1ef487b81834f7e8edcf92162f697fe48339f22ab3586132f4c53f3990", 0x59, 0x0, 0x0, 0x0) open(&(0x7f0000000280)='./file0\x00', 0x28004, 0x11) 18:14:28 executing program 2: setuid(0xee01) r0 = accept4$unix(0xffffffffffffffff, &(0x7f00000000c0)=@abs, &(0x7f0000000100)=0x8, 0x20000000) fcntl$setflags(r0, 0x2, 0x1) getgroups(0x3, &(0x7f0000000000)=[0xffffffffffffffff, 0x0, 0x0]) setresgid(r1, 0x0, 0x0) getsockname$unix(r0, &(0x7f0000000140)=@abs, &(0x7f0000000180)=0x8) r2 = openat(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', 0x100000, 0x80) mkdirat(r2, &(0x7f0000000080)='./file0\x00', 0x13) 18:14:29 executing program 1: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$inet_buf(r0, 0x0, 0xc, &(0x7f0000000080)="e3f4a9bebf294858e1b84184", 0xc) listen(r0, 0x9) 18:14:29 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_opts(r0, 0x0, 0x18, &(0x7f0000000580), 0x0) 18:14:29 executing program 2: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f0000000040)='./file0\x00', 0x20801fffc) lseek(r0, 0x0, 0x1000000000003) r1 = socket$inet6_udplite(0x1c, 0x2, 0x88) r2 = dup2(r1, r1) getsockopt$inet6_buf(r2, 0x29, 0x9, &(0x7f0000001300)=""/4096, &(0x7f0000000200)=0xd689) rmdir(&(0x7f0000000140)='.\x00') poll(&(0x7f0000000100)=[{r0}], 0x1, 0x0) getsockopt$inet6_sctp_SCTP_INITMSG(r0, 0x84, 0x3, &(0x7f0000000180), &(0x7f0000000080)=0xffffffffffffff15) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) lseek(0xffffffffffffffff, 0x0, 0x5) syz_execute_func(0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x23, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0) semget(0x0, 0x0, 0x2c9) 18:14:29 executing program 0: r0 = socket$inet6_tcp(0x1c, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x1b, &(0x7f0000000000), 0x4) bind$inet6(r0, &(0x7f0000000040), 0x1c) r1 = openat(0xffffffffffffffff, &(0x7f0000000080)='./file0\x00', 0x0, 0x110) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r1, 0x84, 0x5, &(0x7f00000000c0)=0x3ff, 0x4) 18:14:31 executing program 0: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) setsockopt$inet6_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f0000000080)=ANY=[@ANYBLOB="1c00000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d26ade0100"/128, @ANYRES32=0x0, @ANYBLOB="00000000000000000d0200"/20], 0x98) getsockopt$inet6_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x5, &(0x7f0000000000), &(0x7f0000000040)=0x4) getsockopt$inet6_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f0000000200)={@in6={{0x1c, 0xffffffffffffffff, 0x0, @local}}}, 0x0) 18:14:31 executing program 1: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) socket$inet6_sctp(0x1c, 0x0, 0x84) poll(&(0x7f0000000040)=[{r0, 0x8}, {r0}], 0x2, 0x7) r1 = fcntl$dupfd(r0, 0x0, r0) r2 = semget(0x1, 0x0, 0x1) __semctl$IPC_INFO(r2, 0x0, 0x3, &(0x7f0000000180)=""/207) sendmsg$unix(r1, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="01000700666945657ae42685077ec56e8afe0fdfe9ad3f64b0b5efff732fe6a0cdb1e3578f8074fb77455346e3c980e60b60d5460ed52df4db5e465398eeaf8440ccc854e326ebb6e3b0984d3111919dbef89b92bfd58afaba56c6fcbb8996d8417bee0b7dbc902e4ea8261345f90891d14a9541884dbf456ff85eb7ca445d1ec0e718666874c10da25aebf969171a9d63f1970a02ff002d95"], 0x1, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x17f) 18:14:31 executing program 1: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f0000000180)='./file0\x00', 0x208020001) lseek(r0, 0x0, 0x1000000000003) poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x0, 0x50, 0x0, 0x0) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x22, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x102, 0x0, 0x0) setsockopt$inet_udp(0xffffffffffffffff, 0x11, 0x0, 0x0, 0x0) truncate(0x0, 0x0) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f0000000100)=@in={0x2, 0x0, @rand_addr=0x2}, 0x10, &(0x7f0000000140)=[{&(0x7f0000000280)="4d0e7b4db27fff6edf8e16cc8514cbcb4da93d5ed27d5be87bd2d3369ea0634c99c7101198607026c615886e29f75088c81fef72eaca2cbe673a3c60f3c8401e83079470d2368eb878681da53fb2b6e6da6aaca2b6f4024817459843ac7271fd0e", 0x61}, {&(0x7f0000000300)="6e37b65647a073cb412a6c723f3c4f6d1de16196fdbe4206e60afb9728230e84e7c2b1a577c2b627ee927a3cb9799f9197042a28e7e21727097668b0751d79322efc1d80cb9078bf0ab555ea3f20565b7a723d7b854d27430d00abd458d5f4740cabf3177e45fad377808c1a03ae0a42e457f5b6e6462d479021ac856913d18c56e41fcc99badb17d21a22b0ccef3c8703e45c16349718751b90ea2c6d2dcebf3df6ef7797e9304d3977a3f8a9e2ba3fa86e6dbb07378d0ab238a845afa3eb077b29c74bed9de32f6b0bde3e731fcf8ed706eb6f36a6fe36ad8da80578c8921e598a97dea2bfcabcd4ef3f8572caeb5df1b942ee8ebf", 0xf6}, {&(0x7f00000004c0)="348d152d2d029b513b35ce116b29be2e625621965ce07d880bf67341d9f648563be4c3383cf7d904f522dc84083bfe971559a4be3b68078c7993fc3ab94b03e63401729a7143e3eeb5c412414e4b8ce91618c29b6e86904ccc5f0e17d59378bf384bd0ea7ab04c3bfd02d2d99120431dcc5a2f9ca5f2c615c997adb38e30d1d5cdf95c6484b809d3e18db13e1b390e62c85d413a59fc1fc2025fb68dadb8b166c4241e1c2fd038fdfef3c7ebc9a6eab2da7f778c4782236216bb9d3072e0d62ee5e1fec7b5937607eb2321bb3adbb11ea053b3", 0xd3}], 0x3, &(0x7f0000000400)=[@dstaddrv6={0x1c, 0x84, 0xa, @loopback}, @prinfo={0x14, 0x84, 0x7, {0xf, 0x1ff}}], 0x30, 0x1}, 0x80) recvfrom$inet(r0, &(0x7f0000000000)=""/26, 0x1a, 0x82, &(0x7f0000000040)={0x2, 0x2, @rand_addr=0x1}, 0x10) getsockopt$inet6_sctp_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0xf, 0x0, 0x0) setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(0xffffffffffffffff, 0x84, 0x16, 0x0, 0xfffffffffffffcdb) getsockopt(r0, 0x2, 0x80, &(0x7f00000001c0)=""/162, &(0x7f0000000080)=0xa2) 18:14:31 executing program 0: mincore(&(0x7f000076e000/0x2000)=nil, 0x2000, &(0x7f0000000100)=""/65) 18:14:31 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_tcp_buf(r0, 0x6, 0x26, &(0x7f0000000000)="9cd41fc0694a0691f619988f1d50a5945020e95f8a5b96c308e70b4aa09370b27175922deaf7ec5fcbdb137c1f22b08ae19d2e28", 0x34) bind$inet(r0, &(0x7f0000eed000), 0x10) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000040)={0x2, 0xffffffffffffffff, @broadcast}, 0x10) 18:14:31 executing program 3: setrlimit(0x0, 0x0) r0 = socket$inet_sctp(0x2, 0x1, 0x84) mlock(&(0x7f0000a9d000/0x11000)=nil, 0x11000) fsync(0xffffffffffffffff) unlink(&(0x7f0000000040)='./file0\x00') socket$inet6(0x1c, 0x0, 0xffff) munlockall() fcntl$getflags(r0, 0x3) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x21, &(0x7f0000000000)={0xfffffffffffffffd, 0x2020, 0x2, 0x6, 0x0}, &(0x7f0000000080)=0x10) munlock(&(0x7f0000a9f000/0x3000)=nil, 0x3000) setsockopt$inet_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x901, &(0x7f00000001c0)=ANY=[@ANYRES32=r1, @ANYBLOB="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"], 0x12) madvise(&(0x7f0000aa3000/0x3000)=nil, 0x3000, 0x3) 18:14:31 executing program 2: r0 = open(&(0x7f0000000040)='./file0\x00', 0x80000000000206, 0x0) getresgid(&(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240)) truncate(&(0x7f0000000180)='./file0\x00', 0x208020001) getsockopt$inet6_tcp_int(r0, 0x6, 0x80, &(0x7f0000000280), &(0x7f00000002c0)=0x4) lseek(r0, 0x0, 0x1000000000003) poll(&(0x7f00000000c0)=[{r0, 0x4}], 0x1, 0x6) poll(0x0, 0x0, 0x664b6e3) r1 = socket$inet6(0x1c, 0x5, 0x4) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0) ftruncate(r1, 0x3) setsockopt$inet_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x0, 0x50, 0x0, 0x0) getpeername(0xffffffffffffffff, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x1a, 0x0, 0x0) open(&(0x7f0000000140)='./file0\x00', 0x0, 0x20) getsockopt$inet6_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, 0x0, 0x0) ppoll(&(0x7f0000000000)=[{r1, 0x2100}, {r0}], 0x2, &(0x7f0000000080)={0x2, 0x2}, &(0x7f0000000100)={0x4}, 0x8) 18:14:31 executing program 3: r0 = accept4(0xffffffffffffffff, &(0x7f0000000000)=@in6, &(0x7f0000000080)=0x1c, 0x10000000) getsockopt$inet_sctp_SCTP_EXPLICIT_EOR(r0, 0x84, 0x1b, &(0x7f00000000c0), &(0x7f0000000100)=0x4) r1 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) getsockopt$inet6_int(r1, 0x29, 0x4, 0x0, &(0x7f0000000040)=0x23a) 18:14:31 executing program 3: r0 = socket$inet6(0x1c, 0x3, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0xa, 0x0, 0x33b) 18:14:31 executing program 0: r0 = socket(0x2, 0x10000001, 0x84) connect$unix(r0, &(0x7f0000000000)=@file={0xbd5699bc1ec0282, './file0\x00'}, 0x10) sendmsg(r0, &(0x7f0000000800)={0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000180)='F', 0x1}], 0x1, 0x0}, 0x0) setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xe, &(0x7f0000000340)={0x0, 0x3}, 0x8) shutdown(r0, 0x1) r1 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) ftruncate(r1, 0x101) poll(&(0x7f00000003c0)=[{r1, 0x2008}], 0x1, 0x0) r2 = open$dir(&(0x7f0000000700)='./file0\x00', 0x202, 0x0) mmap(&(0x7f0000ff9000/0x1000)=nil, 0x1000, 0x7, 0x11, r2, 0x0) mlock(&(0x7f0000ff7000/0x3000)=nil, 0x3000) msync(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0) setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xe, &(0x7f0000000140), 0x8) accept4(r0, 0x0, &(0x7f00000000c0), 0x80) shutdown(r0, 0x2) 18:14:34 executing program 1: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f0000000100)='./file0\x00', 0x608020001) lseek(r0, 0x0, 0x41000000000003) poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) clock_settime(0xe, 0x0) sendmsg$unix(0xffffffffffffffff, 0x0, 0x0) socket$inet6(0x1c, 0x5, 0x1) setsockopt$inet6_MCAST_LEAVE_GROUP(0xffffffffffffffff, 0x29, 0x51, 0x0, 0xfffffffffffffdd5) write(0xffffffffffffffff, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x11, &(0x7f00000001c0), &(0x7f0000000200)=0x4) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x29, 0x0, 0x0) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x21, &(0x7f0000000340)={0x4, 0x1000, 0x5, 0x7, 0x0}, &(0x7f0000000300)=0xfffffffffffffe22) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRESSES(r0, 0x84, 0x8003, &(0x7f0000000140)={r1, &(0x7f0000000080)=[@in6]}, &(0x7f0000000180)=0x10) setsockopt$inet6_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x901, &(0x7f0000000240)={r2, 0x2, 0x7, [0x9, 0x3, 0x99, 0x4, 0x7f, 0x3f, 0x6]}, 0x16) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRESSES(0xffffffffffffffff, 0x84, 0x8003, 0x0, 0x0) getpeername$inet6(r0, &(0x7f0000000000), &(0x7f0000000040)=0x1c) getsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) 18:14:34 executing program 3: r0 = dup(0xffffffffffffff9c) setsockopt$inet6_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xd, &(0x7f0000000200)=0x8000, 0x4) readv(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)=""/48, 0x30}], 0x1000000000000067) r1 = socket(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r1, 0x0, 0x48, &(0x7f0000000040)={@multicast2, @rand_addr=0x3, @broadcast}, 0xc) setsockopt(r1, 0x5, 0xfffffffffffffc01, &(0x7f0000000140)="5f661ec31c5850f381d01b48f86698de47b2827424cb1ebfcbcbad3ecc0239a37e442990ec898dfe5d6db2f60cb4cb27631497166f9cc8eb4cd8cb5aa5fd54f9aeafcb0accae9457229af769984c51cb122a6a9aee3fb3438b7f345ed8447b7287637535137fd166ae9ffef23a4ea0b7a1345491754d7220fcabbeab32299a3f5984c97a1137949383b93355c12f2f8b1e417664ba2136e314", 0x99) mincore(&(0x7f0000ffc000/0x1000)=nil, 0x1000, &(0x7f0000000080)=""/121) connect$unix(r1, &(0x7f0000000100)=@abs={0x89a88f592e0a028b}, 0x10) sendto$unix(r1, 0x0, 0x1f3, 0x85, 0x0, 0xfffffffffffffe8b) 18:14:34 executing program 2: r0 = open(&(0x7f0000000040)='./file0\x00', 0x80000000000206, 0x0) getresgid(&(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240)) truncate(&(0x7f0000000180)='./file0\x00', 0x208020001) getsockopt$inet6_tcp_int(r0, 0x6, 0x80, &(0x7f0000000280), &(0x7f00000002c0)=0x4) lseek(r0, 0x0, 0x1000000000003) poll(&(0x7f00000000c0)=[{r0, 0x4}], 0x1, 0x6) poll(0x0, 0x0, 0x664b6e3) r1 = socket$inet6(0x1c, 0x5, 0x4) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0) ftruncate(r1, 0x3) setsockopt$inet_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x0, 0x50, 0x0, 0x0) getpeername(0xffffffffffffffff, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x1a, 0x0, 0x0) open(&(0x7f0000000140)='./file0\x00', 0x0, 0x20) getsockopt$inet6_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, 0x0, 0x0) ppoll(&(0x7f0000000000)=[{r1, 0x2100}, {r0}], 0x2, &(0x7f0000000080)={0x2, 0x2}, &(0x7f0000000100)={0x4}, 0x8) 18:14:34 executing program 0: socket$inet_udplite(0x2, 0x2, 0x88) r0 = socket(0x2, 0x5, 0x0) setsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x3, &(0x7f0000000040)={0x8000}, 0x8) connect$unix(r0, &(0x7f00000000c0)=ANY=[@ANYBLOB="8248a8c946696c6530004aedf2fe53456297fa03d57221018562b89c902c9d78af3e781b152d6a06a46e7b773c35a5be9d68c9a88ad199cb0b82d525865bec4a207aea66f2324134d1da70dfe8fba521a30b0ac500b8385212430ee848975fb4697e01fcad58f16c540d3390903785233ed5b78e9f874e3d068a4747f0f01cac1086fedfb023ce15ff27de2d936f97c2276fc854799762acd9b86c34afaafe07cdb6"], 0x10) fchmod(0xffffffffffffffff, 0xffffffffffffffff) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) login: lock order reversal: 1st 0xfffffe000026fa40 pcbinfohash (pcbinfohash) @ /syzkaller/managers/main/kernel/sys/netinet/udp_usrreq.c:1724 2nd 0xffffffff829434a0 in_ifaddr_lock (in_ifaddr_lock) @ /syzkaller/managers/main/kernel/sys/netinet/in_pcb.c:1278 stack backtrace: #0 0xffffffff8110bd1e at witness_debugger+0x8e #1 0xffffffff8110b952 at witness_checkorder+0xf72 #2 0xffffffff81064c20 at _rm_rlock_debug+0x240 #3 0xffffffff812c7690 at in_pcbconnect_setup+0x180 #4 0xffffffff812c73ef at in_pcbconnect_mbuf+0x9f #5 0xffffffff813c6ef0 at udp_connect+0x130 #6 0xffffffff81155633 at soconnectat+0x183 #7 0xffffffff8116099f at kern_connectat+0x1ff #8 0xffffffff81160789 at sys_connect+0xd9 #9 0xffffffff81717846 at amd64_syscall+0x436 #10 0xffffffff816df91d at fast_syscall_common+0x101 18:14:34 executing program 3: r0 = socket$inet6_tcp(0x1c, 0x1, 0x0) setsockopt$inet6_MRT6_DEL_MFC(r0, 0x29, 0x69, &(0x7f0000000040)={{0x1c, 0x1, 0x6, @empty, 0x4c}, {0x1c, 0x1, 0x2, @local={0xfe, 0x80, [], 0x0}, 0x7fffffff}, 0x40, [0x9, 0xfffffffffffffffa, 0x56, 0x0, 0x100, 0x80000000, 0x0, 0x7]}, 0x5c) setsockopt$inet6_IPV6_PKTINFO(r0, 0x29, 0x2e, &(0x7f0000000000), 0x14) setsockopt$inet6_IPV6_PKTINFO(r0, 0x29, 0x2e, &(0x7f0000000100)={@loopback={0x3}}, 0x14) 18:14:36 executing program 3: munmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000) r0 = fcntl$dupfd(0xffffffffffffff9c, 0x11, 0xffffffffffffff9c) setsockopt$inet6_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000000)={'bbr\x00', 0x7}, 0x24) r1 = shmget(0x0, 0x1000, 0x20, &(0x7f0000ffc000/0x1000)=nil) r2 = shmat(r1, &(0x7f0000ffb000/0x1000)=nil, 0x0) shmctl$IPC_RMID(r1, 0x0) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x10, &(0x7f00000000c0)=0x1, 0x4) getsockopt$inet6_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x18, &(0x7f0000000040), &(0x7f0000000080)=0x4) mlock(&(0x7f0000fed000/0x10000)=nil, 0x10000) shmdt(r2) 18:14:36 executing program 3: setsockopt$sock_int(0xffffffffffffffff, 0xffff, 0x1015, &(0x7f0000000000), 0x4) sendto(0xffffffffffffffff, &(0x7f0000000040)="3f1c962db8fd895c7be5f3ab9e7f5619dacf624b5deb371f530c1907e2", 0x1d, 0x2008c, &(0x7f0000000080)=@in={0x2, 0x2}, 0x10) 18:14:36 executing program 3: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) setsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x21, &(0x7f00000000c0)={0x0, 0x1000}, 0x10) r1 = fcntl$dupfd(r0, 0x0, r0) sendmsg$inet_sctp(r1, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)=[@authinfo={0x10, 0x84, 0x7}], 0x10}, 0x0) 18:14:37 executing program 0: r0 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet6_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, &(0x7f0000000140)={0x0, 0x2, 0x1, [0x5]}, &(0x7f0000000180)=0xa) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f00000001c0)={@in6={{0x1c, 0x2, 0xffffffff, @empty, 0x4}}, r1, 0x2395, 0x8, 0x10, 0x8, 0x400}, 0x98) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000000)={@in6={{0x1c, 0xffffffffffffffff, 0x0, @loopback}}}, 0x0) getsockopt$inet_sctp_SCTP_NODELAY(r0, 0x84, 0x4, &(0x7f00000000c0), &(0x7f0000000100)=0x4) 18:14:37 executing program 3: r0 = open(&(0x7f0000000000)='./file0\x00', 0x80, 0x100) r1 = socket$inet6_sctp(0x1c, 0x5, 0x84) getsockopt$inet6_sctp_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x29, &(0x7f00000000c0), 0x0) r2 = fcntl$getown(r1, 0x5) freebsd11_lstat(&(0x7f0000000280)='./file0\x00', &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x5, &(0x7f0000000340)=[0xffffffffffffffff, 0x0, 0x0, 0x0, 0xffffffffffffffff]) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@file={0x0, './file0\x00'}, 0xa, &(0x7f0000000080)=[{&(0x7f0000000100)="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", 0xfe}, {&(0x7f0000000200)="927fec6c3eba22910e5a3bc4015a7e2426d1d2b561c3d5e6d61e7ecf19cdaaec2d401ac88704affdfed98d6e0ff4386e4eade26744c5f1b4ab66709869420d05db", 0x41}], 0x2, &(0x7f0000000380)=[@cred={0x20, 0xffff, 0x2, r2, r3, r4}, @rights={0x18, 0xffff, 0x1, [r0]}], 0x38, 0x1}, 0x1) 18:14:37 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$inet6_sctp(0x1c, 0x1, 0x84) getsockopt$inet6_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x23, &(0x7f00000000c0)={@in6={{0x1c, 0x3, 0x7, @remote={0xfe, 0x80, [], 0x0}, 0x7f}}, 0x0, 0x3f, 0xd7, 0x6}, &(0x7f0000000180)=0x8c) r3 = openat(0xffffffffffffffff, &(0x7f0000000240)='./file0\x00', 0x181, 0x50) freebsd11_stat(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)) getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r3, 0x84, 0x10, &(0x7f0000000280), &(0x7f00000002c0)=0x4) getsockopt$inet6_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x2, &(0x7f00000001c0)={r2, 0x1, 0x4, 0x442291cd, 0x27100db8, 0x120}, &(0x7f0000000200)=0x14) bind(r0, &(0x7f0000000040)=ANY=[@ANYBLOB="2d012e2f66696c653000a99f3a52ad56a5700133d88286f082480eabbe6664e9c370bf2cd75cb498f47cf1ccb9edaea178cc5e8283042c8df3249f7854a6eafcc64c"], 0x6) 18:14:37 executing program 1: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDRESSES(r0, 0x84, 0x14, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000000)=0x10) getsockopt$inet6_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x1203, &(0x7f0000000080)={r1}, &(0x7f00000000c0)=0x8) 18:14:37 executing program 1: r0 = socket$inet6_udp(0x1c, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0xa, &(0x7f0000000080)=0xffffffff, 0x4) r1 = socket$inet_tcp(0x2, 0x1, 0x0) r2 = openat(0xffffffffffffffff, &(0x7f00000000c0)='./file0\x00', 0x800, 0x2) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRESSES(0xffffffffffffffff, 0x84, 0x8004, &(0x7f0000000180)={0x0, &(0x7f0000000100)=[@in6={0x1c, 0xffffffffffffffff, 0x0, @local}, @in6, @in6={0x1c, 0xffffffffffffffff, 0x0, @remote}]}, &(0x7f00000001c0)=0x10) setsockopt$inet6_sctp_SCTP_AUTH_DEACTIVATE_KEY(r2, 0x84, 0x1d, &(0x7f0000000200)={r3, 0xaa2e}, 0x8) getsockopt$inet_tcp_int(r1, 0x6, 0x22, &(0x7f0000000000), &(0x7f0000000040)=0x4) 18:14:37 executing program 2: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f0000000180)='./file0\x00', 0x208020001) lseek(r0, 0x0, 0x3) poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x0) poll(&(0x7f0000000040)=[{r0, 0x15}, {r0, 0xc4}, {r0}, {r0, 0x2126}, {r0, 0x201a}], 0x5, 0x3) getsockopt$inet6_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xb, &(0x7f0000000080)={0x3, 0x3f, 0x810, 0x0, 0x5, 0x2, 0xfffffffffffffffe, 0x9, 0x0}, &(0x7f0000000100)=0x20) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x22, &(0x7f0000000140)={0x1, 0xf5f4, r1}, 0xc) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0) r2 = accept4$inet(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x21, 0x0, 0x0) truncate(&(0x7f0000000000)='./file0\x00', 0x7fffffff) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x23, 0x0, 0x21f) open(0x0, 0x800, 0x0) getsockopt$sock_int(0xffffffffffffffff, 0xffff, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x23, 0x0, &(0x7f00000003c0)) setsockopt$inet_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x0, 0x50, 0x0, 0x0) setsockopt$inet6_sctp_SCTP_REUSE_PORT(0xffffffffffffffff, 0x84, 0x1c, 0x0, 0x0) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x1f3) 18:14:37 executing program 1: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f0000000100)='./file0\x00', 0x308020005) lseek(r0, 0x0, 0x1000000000003) poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x2, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x21, 0x0, 0x0) fchmod(0xffffffffffffffff, 0x0) getsockopt$inet6_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x26, 0x0, 0x0) r1 = semget$private(0x0, 0x0, 0x0) __semctl$IPC_STAT(r1, 0x0, 0x2, 0x0) msgget(0xffffffffffffffff, 0x0) 18:14:37 executing program 0: r0 = open$dir(&(0x7f0000000080)='.\x00', 0x0, 0x0) mkdirat(r0, &(0x7f0000000040)='./file0\x00', 0x0) mkdirat(r0, &(0x7f0000000100)='./file0\x00', 0xfffffffffffffffe) fchownat(r0, &(0x7f0000000240)='./file0/file0\x00', 0x0, 0x0, 0x0) 18:14:37 executing program 3: r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) setsockopt$inet6_group_source_req(r0, 0x29, 0x55, &(0x7f00000000c0)={0x0, {}, {{0x1c, 0xffffffffffffffff, 0x0, @remote}}}, 0x108) r1 = accept(r0, &(0x7f0000000200)=@un=@file={0x0, ""/4096}, &(0x7f0000000080)=0x1002) getsockopt$inet6_sctp_SCTP_CONTEXT(0xffffffffffffff9c, 0x84, 0x1a, &(0x7f0000001240)={0x0, 0x7}, &(0x7f0000001280)=0x8) setsockopt$inet6_sctp_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x15, &(0x7f00000012c0)={r2}, 0x8) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x100004) setsockopt$inet6_sctp_SCTP_FRAGMENT_INTERLEAVE(r3, 0x84, 0x10, &(0x7f0000000040)=0x5, 0x4) 18:14:38 executing program 0: r0 = socket(0x2, 0x10000001, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x105, &(0x7f0000000140)={0x3, [0x0, 0x0, 0x0]}, &(0x7f0000000180)=0x10) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r0, 0x84, 0x902, &(0x7f00000001c0)=r1, 0x4) connect$unix(r0, &(0x7f0000000000)=ANY=[@ANYBLOB='\x00'/10], 0x10) setsockopt$inet_sctp_SCTP_AUTH_KEY(r0, 0x84, 0x1203, &(0x7f00000000c0)={0x0, 0x1000000000004}, 0x8) writev(r0, &(0x7f00000002c0)=[{&(0x7f0000000040)="e7", 0x1}], 0x1) writev(r0, &(0x7f0000000080)=[{&(0x7f0000000100)="03", 0x1}], 0x1) shutdown(r0, 0x1) 18:14:38 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_opts(r0, 0x0, 0x1, &(0x7f0000000040)="ee08665d19ac14d5e51348771197a7728420aef61715f7b1c3d4b3830c921bf0817a0000000000006a89dbdf", 0x2c) setsockopt$inet_opts(r0, 0x0, 0x1, &(0x7f0000000080)="01b8033d", 0x4) 18:14:38 executing program 3: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) nanosleep(&(0x7f0000000000)={0x6294, 0x7}, &(0x7f0000000040)) clock_nanosleep(0xf, 0x0, &(0x7f0000000080)={0x1ffc00000000, 0x6}, &(0x7f00000000c0)) setsockopt$inet6_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x2, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffa}, 0x14) 18:14:38 executing program 0: r0 = open(&(0x7f0000000340)='./file0\x00', 0x300, 0x0) flock(r0, 0x1) r1 = open(&(0x7f0000000200)='./file0\x00', 0x1, 0x0) fcntl$lock(r1, 0xd, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x100000001}) r2 = open(&(0x7f00000000c0)='./file0\x00', 0x205, 0x0) fcntl$lock(r2, 0x9, &(0x7f0000000000)={0x0, 0x2, 0xffffffffffffff7f, 0x1000300010005}) r3 = open(&(0x7f00000000c0)='./file0\x00', 0x201, 0x0) getgid() getsockopt$inet_sctp_SCTP_MAX_BURST(r3, 0x84, 0x19, &(0x7f0000000080)={0x0, 0x401}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp_SCTP_BINDX_REM_ADDR(r0, 0x84, 0x8002, &(0x7f0000000140)={r4, &(0x7f0000000240)=[@in6={0x1c, 0x3, 0x7, @remote={0xfe, 0x80, [], 0x0}, 0x86}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0}}, @in6={0x1c, 0x3, 0x100000001, @empty, 0x10000}, @in6={0x1c, 0x0, 0x9, @loopback, 0x3}, @in6={0x1c, 0x0, 0x100, @loopback, 0x9}, @in6={0x1c, 0x2, 0x3, @empty, 0x5a6}, @in={0x2, 0x3, @broadcast}, @in6={0x1c, 0x3, 0x78d, @empty, 0x7}]}, &(0x7f0000000180)=0x10) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1) fcntl$lock(r3, 0x9, &(0x7f0000000000)) flock(r0, 0x8) 18:14:39 executing program 0: r0 = socket$inet6_udplite(0x1c, 0x2, 0x88) r1 = socket(0x1e, 0x20000000, 0x1) getsockopt$inet6_sctp_SCTP_RTOINFO(0xffffffffffffff9c, 0x84, 0x1, &(0x7f0000000200)={0x0, 0x3, 0xfffffffffffffca8, 0x4}, &(0x7f00000001c0)=0x10) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r1, 0x84, 0xf, &(0x7f0000000280)={r2, 0xe47b, 0x6}, 0xc) accept(r0, &(0x7f0000000140)=@un=@file={0x0, ""/51}, &(0x7f0000000180)=0x35) setsockopt$inet6_group_source_req(r0, 0x29, 0xc, &(0x7f0000000000)={0xff, {{0x1c, 0xffffffffffffffff, 0x0, @loopback={0x200000000000000}}}, {{0x1c, 0xffffffffffffffff, 0x0, @loopback}}}, 0x108) getsockopt$inet6_int(r0, 0x29, 0x4a, 0x0, 0x0) 18:14:40 executing program 1: socketpair(0x2, 0x7, 0x6416, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffff9c, 0x84, 0x1a, &(0x7f00000000c0)={0x0, 0x4}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x19, &(0x7f0000000140)={r2, 0xfffffffffffffeff}, 0x8) r3 = socket$inet_sctp(0x2, 0x1, 0x84) r4 = dup(r3) getsockopt$inet_sctp_SCTP_MAX_BURST(r4, 0x84, 0x1203, &(0x7f0000000040), &(0x7f0000000080)=0x8) shutdown(r0, 0x1) 18:14:40 executing program 0: madvise(&(0x7f0000aa2000/0x1000)=nil, 0x800e00000, 0x5) r0 = accept$inet(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0xffffffffffffffff, @rand_addr}, &(0x7f0000000040)=0x10) getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000080)={0x0, 0x7, 0xf, 0x20, 0xffffffffffffffff}, &(0x7f00000000c0)=0x18) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0xf, &(0x7f0000000100)={r1, 0x140000000, 0x1ff}, &(0x7f0000000140)=0xc) 18:14:40 executing program 3: mkdir(&(0x7f0000000000)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/', 0x0) r0 = open$dir(&(0x7f0000000080)='.\x00', 0x0, 0x0) mkdirat(r0, &(0x7f0000000180)='./file0\x00', 0x0) mkdirat(r0, &(0x7f0000000100)='./file0/file0\x00', 0x0) rename(&(0x7f00000001c0)='./file0/file0\x00', &(0x7f0000000040)='./file1\x00') fsync(r0) 18:14:40 executing program 2: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x40d, 0x24e093211286034e) recvfrom(r0, &(0x7f00000000c0)=""/167, 0xa7, 0x2, &(0x7f0000000040)=@in6={0x1c, 0x1, 0x5, @local={0xfe, 0x80, [], 0x0}, 0x30000}, 0x1c) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) chmod(&(0x7f0000000180)='./file0\x00', 0x23f) mkdir(&(0x7f0000000200)='./file0\x00', 0x78) chdir(&(0x7f00000001c0)='./file0\x00') setuid(0xee01) open$dir(&(0x7f0000000080)='./file0\x00', 0x400000002c2, 0x0) chmod(&(0x7f0000000180)='./file0\x00', 0x23f) 18:14:40 executing program 1: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) r1 = geteuid() r2 = getegid() fchown(r0, r1, r2) r3 = open(&(0x7f0000000000)='./file0\x00', 0x40, 0x20) setsockopt$inet6_sctp_SCTP_EVENTS(r0, 0x84, 0xc, &(0x7f0000000040)={0x0, 0x0, 0x5, 0xffff}, 0xb) socket(0x1c, 0x2, 0x80000001) accept4$unix(r3, &(0x7f0000000080)=@abs, &(0x7f00000000c0)=0x8, 0x30000000) getsockopt$inet6_sctp_SCTP_EVENTS(r0, 0x84, 0xc, &(0x7f0000000280), &(0x7f00000002c0)=0xb) 18:14:40 executing program 1: r0 = accept$inet6(0xffffffffffffffff, &(0x7f00000002c0)={0x1c, 0xffffffffffffffff, 0x0, @remote}, 0x0) lseek(r0, 0x3, 0x1) r1 = socket$inet_icmp(0x2, 0x2, 0x1) getsockopt$inet_int(r1, 0x0, 0x45, &(0x7f0000000080), &(0x7f0000000240)=0x4) pipe2(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x100000) setrlimit(0x6, &(0x7f0000000000)={0x10000000000b35d, 0x800000b35d}) r3 = fcntl$dupfd(0xffffffffffffff9c, 0x11, 0xffffffffffffff9c) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffff9c, 0x84, 0x900, 0x0, &(0x7f0000000380)=0xff87) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, 0x0, 0x0) mlockall(0x2) sync() getsockopt$inet6_buf(r3, 0x29, 0x3e, 0x0, &(0x7f0000000180)) getsockopt$inet_mreqsrc(r3, 0x0, 0x48, &(0x7f00000001c0)={@local, @local, @remote}, &(0x7f0000000200)=0xc) fsync(r3) connect$inet(r3, &(0x7f0000000340)={0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10) r4 = socket$inet6_tcp(0x1c, 0x1, 0x0) fcntl$dupfd(r4, 0x15, r3) r5 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) setsockopt$inet6_sctp_SCTP_AUTOCLOSE(r5, 0x84, 0x5, &(0x7f0000000040)=0x317, 0x4) truncate(&(0x7f0000000180)='./file0\x00', 0x208020001) lseek(r5, 0x0, 0x1000000000003) poll(&(0x7f00000000c0)=[{r5}], 0x1, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) getsockopt$inet6_sctp_SCTP_EXPLICIT_EOR(r2, 0x84, 0x1b, &(0x7f0000000100), &(0x7f0000000140)=0x133) setsockopt$inet_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x0, 0x50, 0x0, 0x0) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) open(&(0x7f0000000280)='./file0\x00', 0x2, 0x9) socket$inet6_tcp(0x1c, 0x1, 0x0) 18:14:40 executing program 2: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f0000000100)='./file0\x00', 0x308020005) r1 = shmget(0x3, 0x4000, 0x14, &(0x7f0000ffc000/0x4000)=nil) shmctl$IPC_INFO(r1, 0x3, &(0x7f0000000180)=""/67) lseek(r0, 0x0, 0x1000000000003) poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x2, &(0x7f0000000200)={0x0, 0x0, 0x9, 0x2, 0x1, 0x200000000}, &(0x7f0000000380)=0x14) fcntl$setstatus(r0, 0x4, 0x8) getsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x21, 0x0, 0x0) r2 = msgget(0x3, 0x0) r3 = getuid() freebsd11_stat(&(0x7f0000000040)='./file0\x00', &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) socket$unix(0x1, 0x2, 0x0) clock_settime(0x0, &(0x7f0000000080)={0x6, 0x8000}) bind$inet6(r0, &(0x7f0000000140)={0x1c, 0x1, 0x81, @loopback, 0x7fff}, 0x1c) chown(&(0x7f0000000000)='./file1\x00', r3, r4) getsockopt$inet6_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x26, 0x0, 0x0) msgget(0x0, 0x421) msgsnd(r2, &(0x7f0000000240)=ANY=[@ANYBLOB="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"], 0x1, 0x802) lock order reversal: 1st 0xfffff800129afd88 ufs (ufs) @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:3400 2nd 0xfffffe0000924f00 bufwait (bufwait) @ /syzkaller/managers/main/kernel/sys/ufs/ffs/ffs_vnops.c:283 3rd 0xfffff800129ae9c8 ufs (ufs) @ /syzkaller/managers/main/kernel/sys/kern/vfs_subr.c:2598 stack backtrace: #0 0xffffffff8110bd1e at witness_debugger+0x8e #1 0xffffffff8110b952 at witness_checkorder+0xf72 18:14:40 executing program 0: mprotect(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x1) r0 = socket$inet_sctp(0x2, 0x1, 0x84) mmap(&(0x7f000050d000/0x3000)=nil, 0x3000, 0x1, 0x1011, r0, 0x0) r1 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) setsockopt$inet6_MCAST_LEAVE_GROUP(r1, 0x29, 0x51, &(0x7f0000000040)={0x0, {{0x1c, 0xffffffffffffffff, 0x0, @remote}}}, 0x88) 18:14:40 executing program 0: getsockopt$inet6_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x900, 0x0, 0x0) r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f0000000100)='./file0\x00', 0x308020005) shmget(0xffffffffffffffff, 0x4000, 0x0, &(0x7f0000ffc000/0x4000)=nil) shmctl$IPC_INFO(0x0, 0x3, 0x0) lseek(r0, 0x0, 0x1000000000003) poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x2, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x21, 0x0, 0x0) fchmod(0xffffffffffffffff, 0x0) getsockopt$inet6_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x26, 0x0, 0x0) msgget(0xffffffffffffffff, 0x0) link(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') poll(0x0, 0x0, 0x0) msgsnd(0x0, 0x0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(0xffffffffffffffff, 0x84, 0x903, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x26, 0x0, 0x0) #2 0xffffffff8102c635 at lockmgr_xlock_hard+0xb5 #3 0xffffffff8102d138 at __lockmgr_args+0x488 #4 0xffffffff81519f5a at ffs_lock+0xea #5 0xffffffff81968e85 at VOP_LOCK1_APV+0xc5 #6 0xffffffff811bfcbf at _vn_lock+0xaf #7 0xffffffff811a7001 at vget+0xb1 #8 0xffffffff811928b8 at vfs_hash_get+0x148 #9 0xffffffff815134c1 at ffs_vgetf+0x51 #10 0xffffffff81503764 at softdep_sync_buf+0x444 #11 0xffffffff8151b504 at ffs_syncvnode+0x394 #12 0xffffffff81519cc8 at ffs_fsync+0x28 #13 0xffffffff81967965 at VOP_FSYNC_APV+0xc5 #14 0xffffffff811ba941 at kern_fsync+0x261 #15 0xffffffff81717846 at amd64_syscall+0x436 #16 0xffffffff816df91d at fast_syscall_common+0x101 18:14:42 executing program 3: r0 = socket$inet6_udp(0x1c, 0x2, 0x0) r1 = dup(r0) connect$unix(r1, &(0x7f00000003c0)=@abs={0xf64cb340ce081cac, 0x3}, 0x1c) sendmsg(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="1000000000728556579b614e1802f5bbc52fa1721e7931737285feab3437d4deb9114fadc1a62a87103a0018116b03e32d62cea1be07ee5c"], 0xc}, 0x0) 18:14:43 executing program 3: freebsd11_stat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)) getuid() mlock(&(0x7f0000a00000/0x600000)=nil, 0x600000) truncate(&(0x7f00000000c0)='./file0\x00', 0x7fffffff) mincore(&(0x7f0000e25000/0x1000)=nil, 0x1000, &(0x7f0000000000)) munmap(&(0x7f0000c00000/0x400000)=nil, 0x400000) r0 = fcntl$dupfd(0xffffffffffffffff, 0x11, 0xffffffffffffff9c) fcntl$getown(r0, 0x5) 18:14:43 executing program 3: r0 = socket$inet6_sctp(0x1c, 0x8, 0x84) setsockopt$inet6_sctp_SCTP_AUTH_CHUNK(r0, 0x84, 0x12, &(0x7f0000000240)={0x2000000000002}, 0x1) 18:14:43 executing program 3: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = openat(0xffffffffffffffff, &(0x7f0000000080)='./file0\x00', 0x8000, 0x178) setsockopt$inet6_MCAST_LEAVE_GROUP(r1, 0x29, 0x51, &(0x7f00000000c0)={0x1, {{0x1c, 0x3, 0x1ff, @empty, 0xd2e}}}, 0x88) sendmsg(r0, &(0x7f0000000440)={&(0x7f0000000000)=@in={0x2, 0xffffffffffffffff, @multicast1}, 0x10, 0x0, 0x0, 0x0}, 0x0) 18:14:45 executing program 1: socket$inet6_udp(0x1c, 0x2, 0x0) writev(0xffffffffffffffff, &(0x7f0000000280), 0x26) freebsd10_pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffff9c, 0x84, 0x901, &(0x7f0000000100)={0x0, 0xb04, 0x4, [0xfffffffffffff01f, 0x3c7, 0xf5b, 0xb9a2]}, &(0x7f0000000140)=0x10) setsockopt$inet6_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0xf, &(0x7f0000000180)={r1, 0x7, 0x2}, 0xc) munmap(&(0x7f0000aa3000/0x3000)=nil, 0x3000) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x4) getsockopt$inet6_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xd, &(0x7f0000000040), &(0x7f0000000080)=0x4) readlinkat(0xffffffffffffffff, 0x0, 0x0, 0x0) madvise(&(0x7f0000aa2000/0x1000)=nil, 0x800e00000, 0x3) 18:14:45 executing program 3: r0 = socket$inet6_tcp(0x1c, 0x1, 0x0) r1 = socket$inet6_tcp(0x1c, 0x1, 0x0) setsockopt$inet6_tcp_buf(r1, 0x6, 0x41, &(0x7f0000000200)="e4e11df357f368ea", 0x8) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0x41, &(0x7f0000000100)='newreno\x00', 0x8) setsockopt$inet6_tcp_buf(r0, 0x6, 0x26, 0xffffffffffffffff, 0x0) 18:14:45 executing program 2: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x10, &(0x7f0000001200)=0x3b7264dc, 0x4) r1 = semget$private(0x0, 0x1, 0x288) r2 = dup(r0) unlinkat(r2, &(0x7f00000011c0)='./file0\x00', 0x0) __semctl$SEM_STAT(r1, 0x1, 0xa, &(0x7f0000000140)=""/4096) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDRESSES(r0, 0x84, 0x10, &(0x7f0000000100)={0x0, 0x0}, &(0x7f00000000c0)=0x10) freebsd11_lstat(&(0x7f0000000000)='\x00', &(0x7f0000001140)) getsockopt$inet6_sctp_SCTP_EVENT(r0, 0x84, 0x1e, &(0x7f0000000040)={r3, 0xc}, &(0x7f0000000080)=0x8) 18:14:45 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) r1 = accept$inet(0xffffffffffffff9c, &(0x7f0000001880), &(0x7f00000018c0)=0x10) r2 = getpgid(0x0) freebsd11_stat(&(0x7f0000001900)='./file0/file0\x00', &(0x7f0000001940)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x4, &(0x7f00000019c0)=[0xffffffffffffffff, 0x0, 0x0, 0x0]) r5 = getpid() freebsd11_lstat(&(0x7f0000001a00)='./file0\x00', &(0x7f0000001a40)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000001ac0), &(0x7f0000001b00)=0x0, &(0x7f0000001b40)) r8 = accept$inet(0xffffffffffffffff, 0x0, &(0x7f0000001b80)) sendmsg$unix(r0, &(0x7f0000001d80)={&(0x7f00000013c0)=@abs={0x1, 0x0, 0x3}, 0x8, &(0x7f0000001800)=[{&(0x7f0000001400)="b06a24fd43044d113016c4023baeb27973806e162dbf18a13e3e609e5a2832a81f10f5b4cc4c77652eff82f1d12c2aec02ea653f74a5e2d0ebdec6ba07e5a5c92c1b308ebb691ea24d318d1acc239b224ad5637991d18feb72ba058688e4ee4aea30a5a77387a5886a44f4606860fc8c9c6e0541f1e9bb6c5342861828942a3c5dbae1af76da2bd744f4d7f2fae5a8b9cb03836df3e7c55d4ba16aeae094a6e0a3371aeb4d1a98a08185910b07973cdc3031d0a3aa796eb1bd89c98a95abbf97e4239e38cf1686aa7d91b28232ab07690771f07a6e424fe8a21066ed4816", 0xde}, {&(0x7f0000001500)="52d302807bcc6c9a990475d422c005a012664f33bd24f4a206d434907c5e6620eb3fff1c23a625e582334b4ebc612d9a855d3c9a590af0f2b97c47f5ef8138da7724c2488c4805abbe0570ed42e0fab6e02111ae6ffadd71c1ab", 0x5a}, {&(0x7f0000001580)="37394e929a97f2c1ee5fa2f66dd01829ac4e42e06e22877544a519cb215bbb16b43d5e743e20494a93f3bb0c85e7260b5a7565517dd1cf778ebb54c96de3a323553842ea3b84ae8a9865004a4e269ebc09eef9ce515015035375acc41ba6f956ba616ee6757053a58136ca181036693e01a802065c235db34b1472e0fcea39f1e7da54da910214746397070200398f38c630f3270da060c6c3c172ec58cb73eeaee4b6c082367c2f6152bb00ce47f0ed95eea8f790536d5c699accc7fb5bc213ca054531f0d8dc5219a23d4d", 0xcc}, {&(0x7f0000001680)="10dfce89f41acaf357ac0f394df889d5777fe8330ed4d5e4dc28558213e4f684e1588fbbcc33567cd471b747b97ea9f39acb7af85ec20af45da5bec0cfa52e9d7826d4c1e8332ad216651302e69492e527075db967deb126d4", 0x59}, {&(0x7f0000001700)="ddce5c096d8f28bdcd8a6cdf61ebd2321baae01058b47a855a064a1d47ddbdbbd7ba3f0fcd0f5823a729b029915b8344c704550b4485350a2a5c0cba33a6a1a73adee7ca95780437d15f0641e291f4f0cf9e991a5889ebd8a7add0ab033cb5586740654a357e84485a1b83ecd0e0b7d98e1a29ceb97424ead5d7837a8c9d08b549de53b01ba779e73a2d761d428cadf426eaafdb97ce3925c2e2de6e05fcea1f5ed303f3ffeffb3616d49b514a04d62b07d8ffb119a8c4f2272ceae0", 0xbc}, {&(0x7f00000017c0)="a0eccf2a34dce0865a2389421834c4cb66e8012c0c03fcb2e18eceb4d149410c514b2e53ccb3a06b8d", 0x29}], 0x6, &(0x7f0000001bc0)=[@rights={0x38, 0xffff, 0x1, [r0, r1, r0, r0, r0, r0, r0, r0, r0, r0]}, @rights={0x30, 0xffff, 0x1, [r0, r0, r0, r0, r0, r0, r0]}, @rights={0x20, 0xffff, 0x1, [r0, r0, r0]}, @rights={0x28, 0xffff, 0x1, [r0, r0, r0, r0, r0]}, @rights={0x28, 0xffff, 0x1, [r0, r0, r0, r0, r0, r0]}, @rights={0x30, 0xffff, 0x1, [r0, r0, r0, r0, r0, r0, r0]}, @cred={0x20, 0xffff, 0x2, r2, r3, r4}, @rights={0x28, 0xffff, 0x1, [r0, r0, r0, r0, r0, r0]}, @cred={0x20, 0xffff, 0x2, r5, r6, r7}, @rights={0x18, 0xffff, 0x1, [r8, r0]}], 0x188, 0x20100}, 0x20180) sendmsg$unix(r0, &(0x7f0000001300)={&(0x7f0000000000)=@file={0x0, './file0\x00'}, 0xa, &(0x7f0000000140)=[{&(0x7f00000001c0)="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", 0x1000}, {&(0x7f0000000040)="19186fec7d2e83444e7e33223ac82201f107cfa24cd08d9790b749a2691831d3b12425994249856d8cd702e096b80f8333cdb7fdc82636b3e2a1c39c2d9e988c22b3a43b23c78d4e109a2ec493b831dea540ef9d88eb9012cc07e092610c80df317a9a1781b37b64a08b926ff4299e1bbd557e4044ebea0620c9a7a6d4c4d4cd1d9c402ff1445010c44913e0b529c267147e3c58177967a751d442446c42f1d6acf873b7c64eb7667c936c02425d9107b0974d1fbbd4f2179d16", 0xba}, {&(0x7f00000011c0)="896582f2b4d3866103a454325f89ed0a7fc60f4ee7b7c70dc0111cfaa3ad660b93ab2fd8fa0a0e6290b032b34d497dd20b8e0a5e22c7a979b452f1f8b9da86767df0cda14a91a13c2969bdcfb9c164cf99cbe19f8276861a674d2b28030615cc5e29ee42baf53cb54ecd7e6d99aeaa94f60c9f869474c3bd71966f658d794ad57f27ce075bd4b9b41a71ece6b29a706dcc6fcb7f5e6c01216225087265307bd25e77592de94f9d78a9603271caea295545766f04a21a705c42e90228f6ad3bc86fc718f0bb03dc4db9104502c01e02d25dbde002a57f6f8c9c3d806adbedcd602d", 0xe1}], 0x3, &(0x7f00000012c0)=[@rights={0x30, 0xffff, 0x1, [r0, r0, r0, r0, r0, r0, r0, r0]}], 0x30, 0x185}, 0x4) chroot(&(0x7f0000001340)='./file0\x00') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001380)) getsockopt$sock_int(r0, 0xffff, 0x400000008, &(0x7f0000000100), &(0x7f0000000180)=0x4) 18:14:45 executing program 2: linkat(0xffffffffffffffff, &(0x7f0000000100)='./file0\x00', 0xffffffffffffffff, 0x0, 0x0) r0 = accept$inet6(0xffffffffffffff9c, 0x0, &(0x7f0000000040)) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffff9c, 0x84, 0x21, &(0x7f0000000080)={0x5, 0x20, 0x3, 0x2, 0x0}, &(0x7f00000000c0)=0x10) getsockopt$inet6_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x900, &(0x7f0000000140)={r1, 0x8}, &(0x7f0000000180)=0x8) open$dir(&(0x7f0000000000)='./file0\x00', 0x120000, 0x10) 18:14:45 executing program 0: r0 = open(&(0x7f0000000080)='./file0\x00', 0x2, 0x20) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x10, &(0x7f00000000c0)=0x4, 0x4) r2 = socket$inet6_sctp(0x1c, 0x5, 0x84) pwritev(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000000100)="f0", 0x1}], 0x1, 0x0) freebsd10_pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fdatasync(r2) read(r3, &(0x7f00000001c0)=""/55, 0x37) open(&(0x7f0000000140)='./file0\x00', 0x309, 0x106) dup(r1) 18:14:45 executing program 3: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f0000000180)='./file0\x00', 0x208020001) lseek(r0, 0x0, 0x1000000000003) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000140)={'freebsd\x00', 0x2}, 0x24) poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x0, 0x50, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f00000006c0)=ANY=[@ANYBLOB="02004e210000000700"/136, @ANYRES32=0x0, @ANYBLOB="6c0000ffffff7f0400d400000000bbc4f2000000000000"], &(0x7f00000001c0)=0xa0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r0, 0x84, 0x903, &(0x7f0000000400)={r1, 0x4, 0x1}, 0x8) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0) setsockopt$inet_udp(0xffffffffffffffff, 0x11, 0x1, 0x0, 0x0) setsockopt$inet_group_source_req(r0, 0x0, 0x57, &(0x7f0000000200)={0x0, {{0x2, 0x3, @remote={0xac, 0x14, 0x0}}}, {{0x2, 0x2, @multicast2}}}, 0x118) setsockopt$inet_sctp_SCTP_REUSE_PORT(r0, 0x84, 0x1c, 0x0, 0xffffffffffffffe1) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(0xffffffffffffffff, 0x84, 0x104, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(r0, 0x84, 0x107, &(0x7f0000000040)={0x0, 0x7fff, 0xf, 0x6, 0x1}, &(0x7f0000000080)=0x18) getsockopt$inet_opts(r0, 0x0, 0x0, &(0x7f0000000340)=""/91, &(0x7f00000003c0)=0x5b) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f00000005c0)=ANY=[@ANYBLOB="fcff268ffba34c48fe2a1fc4f26521000000ff000d7c8d7989b7e508c73d6bfec7025f06b8af9221a5eb0004f6fe3246f1cffdea3d438a3ef17c769c7c9318ee8648b62eaa4a5f36f38d29985ada76e304175146dd1f630c49f37c5c414e00b28ab3b1fa3377cdb0a0c728dfbe326b897665097b93bc1cc5d63afe8cf1ab326509532d4bbe282d5d87819d577ea0f83285acac44596438aeddb1b08d51215ba5731e6d712ff428b113c8c8277115223cdb8845246c69499159cb070bd6bb06cc3affab43315e38072c08daf13320a9c045800ba8ac47dc94f3c08c5cee26"], 0x0) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x10, &(0x7f0000000100)=0x8, 0x4) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0x40, &(0x7f0000000000)='hd\x00', 0x3) 18:14:45 executing program 2: select(0x8150138, &(0x7f0000000000), &(0x7f0000000040)={0xffc99a3b00000000}, &(0x7f0000000080), &(0x7f00000000c0)) r0 = accept4(0xffffffffffffffff, 0x0, &(0x7f0000000100), 0x10000000) accept4$inet(r0, &(0x7f0000000140)={0x2, 0xffffffffffffffff, @local}, &(0x7f0000000180)=0x10, 0x20000000) 18:14:45 executing program 1: setsockopt$inet_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x0, 0x50, &(0x7f0000000180)={0x100000001, {{0x2, 0xffffffffffffffff, @loopback}}}, 0x90) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000100)={0x80000000001c00, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000000040)=0x1e0) r1 = socket$inet6_sctp(0x1c, 0x5, 0x84) getsockopt$inet6_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0xa, &(0x7f0000000300)={@in={{0x2, 0x2}}, r0, 0x1, 0x7, 0x10, 0x8, 0x7, 0x20}, &(0x7f0000000000)=0xa0) 18:14:45 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) socket$inet6_sctp(0x1c, 0x0, 0x84) setsockopt$inet_mreq(r0, 0x0, 0xd, 0x0, 0xffffffffffffff68) 18:14:45 executing program 1: r0 = socket(0x2, 0x10000001, 0x84) socket$unix(0x1, 0x1, 0x0) connect$unix(r0, &(0x7f0000000000)=@file={0xbd5699bc1ec0282, './file0\x00'}, 0x10) setsockopt$inet_sctp_SCTP_AUTH_KEY(r0, 0x84, 0x28, &(0x7f00000000c0), 0x8) 18:14:45 executing program 0: r0 = socket$inet(0x2, 0x3, 0xd3d) sendmsg(r0, &(0x7f0000000580)={&(0x7f0000000000)=@un=@abs={0x0, 0x0, 0x0}, 0x8, &(0x7f0000000240)=[{&(0x7f0000000040)="122fa9a4a41a6036d3380ca76ae0ae510fe17f32ee6a4bc91eb25f1260d6e41e249527fc321cc7461ee91132d72cf3e40f447d4486164c2ff42a73b80874949d3b25a0068ea790a403e2d10a3ca70868ac56c71d59f0524943a097c424f7796839065ab198f892679834085b690979a9067ec1fe6b0db2984f48e11f2e70a984aab8ba6d2370b4e7bf63ec63", 0x8c}, {&(0x7f0000000100)="26639e78ac77c81778ed529143cd6e72d60a829442735f229ef14b05b9f06dbb9af3550f21ab9b3471c28443194dacf1bdf44d685fc05ca9d175537748fe267ba6b6e40b89e8db16668c504f410d25036ca7509bf05692effc711989d44db7e6966e2d4a77ee4ebc90", 0x69}, {&(0x7f0000000180)="54a923296268b9f3e43b5589ab39fa04bd19ffed308d3f3baca157fcee05880955e97631fa7f63ad32d259f8aa77147a7864a89b78235a4022db79dcc82e6d378a6e22c22916f394c49929fa62d36c36a47d81a2cdc1fe722bacf8477234d6dafa71d43840f34379b870c34bfab5f85aafe87375e0f2bc12a1b7f7e350a6b5a6204d67832b4024fd799034232be533cae1f8eedd721a43b6393ffae92ad968b4c13af994e0de2843ed79", 0xaa}], 0x3, &(0x7f0000000280)=[{0x48, 0xffff, 0xd0b, "b134cea77dbb598befd26fe34fad3be6ca198e6f98ae0b111b9778c2adccf8d4dcd6bc067cf66f16c155eb80030ad2e7c8b91b98"}, {0x70, 0x8e, 0xc97, "283eb6599012d7d665c2c18a3abc58f5764f901c392319acd2d6a5d29c66043f6c7e4499cb22607f59de9e45016ed041994438f74a7ea170ca44ebb8f676e1015d5c33f43ec91281a0caec44b5b89209153113e3bb51e81e4e63f3"}, {0xc8, 0xbe, 0x6, "fc6aa317460d2f1baa407e45da1f26482273766722bb8d69ac140bba86cc929a7619b944bd7f3e0139b8e77e4c404c936fbd698490dd63185558ecd3558d8b1898ba4a44e0cf9fed0cab72f16943614037a5469cdeccae4a0e882ebec27cc6263f7a9fa32d439c67db8517c294687b766110aba7f37cb2deb879ce3982c51c227a68391c4591be7c6a695a1ca92b7c4f1e7bb749b0e03208eadd0faf77ce53faa14af7b9d6eb395a021b1419ac72f38368e6f811"}, {0x40, 0x6, 0x0, "71820b92334fa412b97b876ba4c03f82076b0842b9b5ac8dbf2083a76a3b64f1ce3d6021d7dab4688f6ad6ab131a"}, {0xe8, 0x0, 0x6, "1d7d3d5ebe553c45240adc0289b87ccb14ac5319da6a18f49cf33817446e43fb34a3b49667bc0b19a5abcfa548c11b66047e278d6f632145b5f4b63c94be9a486c6f714255a10f6a6386038202ad8a3f37858bfd6955f75b4c170ae6f63d2841d3c3e7a5e4c6a1835584b05db76029c6634269381731385cb8e3521c579a1193431c82a564291894bc9b5f8a3cdb17a89712835ac7275f37366631a179172ebc97e41e2b94163d0b5a78616930afb64e247284a8110d650773e8ac7ea8eda592b6155ba603eb1c564330a3ccc22bed6594ab4cad"}, {0x38, 0x6, 0x401, "08289149c09040428cd953d0fbd44df859a029de23595b1aa614b32abc3f92c9c3"}], 0x2e0}, 0x5) r1 = socket$inet6_udp(0x1c, 0x2, 0x0) setsockopt$sock_timeval(r1, 0xffff, 0x1017, 0xfffffffffffffffe, 0x4) 18:14:45 executing program 0: setsockopt$inet_sctp_SCTP_EXPLICIT_EOR(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000180)=0x8001, 0x4) setsockopt$sock_int(0xffffffffffffffff, 0xffff, 0xffffffffffffffff, &(0x7f00000000c0)=0x400dea, 0xfffffffffffffe16) connect$unix(0xffffffffffffffff, &(0x7f0000000000)=@file={0xbd5699bc1ec0282, './file0\x00'}, 0x10) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) 18:14:45 executing program 0: munmap(&(0x7f0000f19000/0x1000)=nil, 0x1000) mlock(&(0x7f0000a00000/0x600000)=nil, 0x600000) r0 = socket(0x17, 0x10000000, 0x200) setsockopt$inet6_udp(r0, 0x11, 0x1, &(0x7f0000000100)=0x293b, 0x4) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffff9c, 0x84, 0x108, &(0x7f0000000040)={0x0, 0x24, 0x1, 0x800, 0x8}, &(0x7f0000000080)=0x18) setsockopt$inet6_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x901, &(0x7f00000000c0)={r1, 0x9b00, 0x6, [0x3, 0x8, 0x1000, 0x464, 0x2, 0x1000]}, 0x14) msync(&(0x7f0000860000/0x600000)=nil, 0x600000, 0x2) madvise(&(0x7f0000aa2000/0x1000)=nil, 0x20aa2000, 0x3) r2 = dup(0xffffffffffffffff) accept$unix(r2, 0x0, &(0x7f0000000000)) setitimer(0x0, 0x0, &(0x7f0000b1bfe0)) mlock(&(0x7f0000aba000/0x1000)=nil, 0x1000) 18:14:47 executing program 0: r0 = semget$private(0x0, 0x7, 0x200) __semctl$GETVAL(r0, 0x3, 0x5, &(0x7f0000000000)=""/161) ppoll(0x0, 0xe0ee, &(0x7f0000000100)={0x800739000}, 0x0, 0x0) r1 = fcntl$dupfd(0xffffffffffffff9c, 0x11, 0xffffffffffffffff) getsockopt$inet6_sctp_SCTP_EVENT(0xffffffffffffffff, 0x84, 0x1e, &(0x7f00000000c0)={0x0, 0xa, 0x1}, &(0x7f0000000140)=0x8) setsockopt$inet_group_source_req(r1, 0x0, 0x52, &(0x7f00000001c0)={0x800, {{0x2, 0x3, @broadcast}}, {{0x2, 0x3, @loopback}}}, 0x118) setsockopt$inet_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x901, &(0x7f0000000180)={r2, 0x20, 0x6, [0x4, 0x6, 0x10001, 0x2, 0xfffffffffffffff9, 0x4]}, 0x14) 18:14:47 executing program 3: mlock(&(0x7f0000a00000/0x600000)=nil, 0x600000) mprotect(&(0x7f0000a00000/0x600000)=nil, 0x600000, 0x2) r0 = open$dir(&(0x7f0000000700)='./file0\x00', 0x202, 0x0) pwritev(r0, &(0x7f0000000640)=[{&(0x7f0000000380)='i', 0x1}], 0x1, 0x0) mmap(&(0x7f0000ff8000/0x3000)=nil, 0x3000, 0x3, 0x12, r0, 0x0) mmap(&(0x7f0000ff9000/0x3000)=nil, 0x3000, 0x800000000007, 0x15, r0, 0x0) munmap(&(0x7f0000ff6000/0x4000)=nil, 0x4000) r1 = socket$unix(0x1, 0x2, 0x0) setsockopt$inet6_int(r1, 0x29, 0x13, &(0x7f0000000000)=0xfffffffffffffbff, 0x4) r2 = accept4(r1, &(0x7f0000000040)=@un=@abs, &(0x7f0000000080)=0x8, 0x0) getsockopt$inet6_sctp_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x108, &(0x7f00000000c0)={0x0, 0x7, 0xf, 0x1, 0x8}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRESSES(r2, 0x84, 0x8003, &(0x7f0000000180)={r3, &(0x7f0000000140)=[@in={0x2, 0xffffffffffffffff, @multicast2}, @in6={0x1c, 0xffffffffffffffff, 0x0, @local}]}, &(0x7f00000001c0)=0x10) 18:14:47 executing program 1: r0 = socket$inet6_sctp(0x1c, 0x800000000000005, 0x84) setsockopt$inet6_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x14, &(0x7f0000000040)={0x2, [0x3, 0x100000001]}, 0xb9) setsockopt$inet6_sctp_SCTP_EVENTS(r0, 0x84, 0xc, &(0x7f0000000000)={0x9, 0x3899, 0x7ff, 0x0, 0x1ff, 0x401, 0x5, 0x3ff, 0x100000000000000, 0x8000, 0x8001}, 0xb) 18:14:47 executing program 2: syz_emit_ethernet(0x46, &(0x7f0000000000)="798deb8ce60c923afeed35c00806000100001404710200d189fa340000bab83be28ea73e1a9a39fef3f871b221b4ba20709dc76f0bb1dd2dbccb010098e76eeaa5bce09126ab") r0 = open$dir(&(0x7f0000000100)='./file0\x00', 0x100400, 0x1) lseek(r0, 0x0, 0x2) r1 = accept4$inet6(0xffffffffffffff9c, 0x0, &(0x7f0000000080), 0x20000000) setsockopt$sock_int(r1, 0xffff, 0x0, &(0x7f00000000c0)=0x4, 0x4) 18:14:47 executing program 0: connect$unix(0xffffffffffffffff, &(0x7f0000000000)=ANY=[], 0x0) r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) getsockopt$inet_sctp_SCTP_MAX_BURST(r0, 0x84, 0x19, &(0x7f0000000200)={0x0, 0x7}, &(0x7f0000000240)=0x8) setsockopt$inet6_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000280)={@in6={{0x1c, 0x2, 0x1000, @loopback, 0x10000}}, r1, 0xfffffffffffffff8, 0x1, 0x84, 0x3, 0xffffffffffff512f, 0x800}, 0x98) freebsd11_lstat(&(0x7f0000000340)='./file0\x00', &(0x7f0000000380)) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, &(0x7f0000000400)={r1, 0x40, 0x1, [0x8f11]}, &(0x7f0000000440)=0xa) truncate(&(0x7f0000000180)='./file0\x00', 0x208020001) lseek(r0, 0x0, 0x1000000000003) poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x0) r2 = dup(0xffffffffffffffff) setsockopt$inet_sctp_SCTP_EVENTS(r2, 0x84, 0xc, &(0x7f0000000000)={0x20, 0x2, 0x0, 0x4, 0x8, 0xffffffffffff475a, 0x7, 0xfff, 0x0, 0xfaab, 0x3}, 0xb) lseek(0xffffffffffffffff, 0x0, 0x1) r3 = socket$inet(0x2, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x900, 0x0, 0x0) syz_execute_func(0x0) setsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x11, &(0x7f00000001c0), 0x4) socket$unix(0x1, 0x5, 0x0) shmget(0x1, 0x1000, 0x10, &(0x7f0000fff000/0x1000)=nil) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x7, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x26, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r3, 0x84, 0x22, &(0x7f0000000100)={0x3, 0xffff, r4}, &(0x7f0000000140)=0xc) getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, 0x0, 0x0) 18:14:47 executing program 1: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f0000000180)='./file0\x00', 0x208020001) lseek(r0, 0x0, 0x1000000000003) poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r0, 0x0, 0x50, &(0x7f0000000200)={0x579, {{0x2, 0x2, @local={0xac, 0x14, 0x0}}}}, 0x90) freebsd10_pipe(&(0x7f00000002c0)) setsockopt$inet_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x0, 0x50, 0x0, 0x0) getsockopt$inet_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x5, &(0x7f0000000000), &(0x7f0000000140)=0x4) setsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x22, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x900, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r0, 0x84, 0x7, &(0x7f00000004c0)=ANY=[@ANYBLOB="1c004e2305000000fe800002a99e000000000000000000aa07000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000068e3780000000000000000000000000000000000000000000000000000002f7199848fc53ac1316e8734ca549efc6f5dd579ad18f91fddc897a1300638b2292ec49abac8fcc4fc6b4a0e614d5802abfcc62605318dc1a8b2f1b53c8f48d51df73bdd45f8ae1700"/212, @ANYRES32=r1], 0x0) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x102, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, 0x0, 0x0) setsockopt$inet6_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x26, &(0x7f00000001c0)={r1, 0x433}, 0x8) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x22, 0x0, 0x0) setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xe, &(0x7f0000000100)={r1, 0x1}, 0x2fb) setsockopt$inet_udp(0xffffffffffffffff, 0x11, 0x0, 0x0, 0x0) getsockopt$inet6_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0xf, 0x0, 0x0) socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) 18:14:47 executing program 3: mlock(&(0x7f0000a00000/0x600000)=nil, 0x600000) mprotect(&(0x7f0000a00000/0x600000)=nil, 0x600000, 0x2) r0 = open$dir(&(0x7f0000000700)='./file0\x00', 0x202, 0x0) pwritev(r0, &(0x7f0000000640)=[{&(0x7f0000000380)='i', 0x1}], 0x1, 0x0) mmap(&(0x7f0000ff8000/0x3000)=nil, 0x3000, 0x3, 0x12, r0, 0x0) mmap(&(0x7f0000ff9000/0x3000)=nil, 0x3000, 0x800000000007, 0x15, r0, 0x0) munmap(&(0x7f0000ff6000/0x4000)=nil, 0x4000) r1 = socket$unix(0x1, 0x2, 0x0) setsockopt$inet6_int(r1, 0x29, 0x13, &(0x7f0000000000)=0xfffffffffffffbff, 0x4) r2 = accept4(r1, &(0x7f0000000040)=@un=@abs, &(0x7f0000000080)=0x8, 0x0) getsockopt$inet6_sctp_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x108, &(0x7f00000000c0)={0x0, 0x7, 0xf, 0x1, 0x8}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRESSES(r2, 0x84, 0x8003, &(0x7f0000000180)={r3, &(0x7f0000000140)=[@in={0x2, 0xffffffffffffffff, @multicast2}, @in6={0x1c, 0xffffffffffffffff, 0x0, @local}]}, &(0x7f00000001c0)=0x10) 18:14:47 executing program 2: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) sendto$inet6(0xffffffffffffffff, &(0x7f00000000c0)="f52e9d3d6b6001df4ac5888b67b5aecf6ff710199e789b5117dc34ba3fecab3542235e090ba57dc0c50d5acf3d242ab9b093adba6cff1e0590fe196ef1443b360bb6265577bc2c499c81f9869d394992c3fd0bb830fa03c56df2477a84c9783d64fbde3fc9f05a3feacf48c9aec83d7720e6b64037eeece9", 0x78, 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f000052fff8)='./file0\x00', 0x0, 0x0) symlinkat(&(0x7f00000000c0)='/', r0, &(0x7f0000d06ff8)='./file0\x00') setsockopt$inet6_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x1f, &(0x7f0000000080)=0x1ff, 0x4) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x0) 18:14:49 executing program 0: mlockall(0xffffffffffffffff) r0 = socket$inet6_udp(0x1c, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000000)={0x1c, 0x1, 0x9, @local={0xfe, 0x80, [], 0x0}, 0x3}, 0x1c) writev(r0, &(0x7f00000002c0)=[{&(0x7f0000000240)="037db00992e75b4c69419db733b2e4208000fae995ca48fcfb26b61377f7efb004bdb407801b5771226af297f882c0a91cd343d0e45595bab21fc623cea2ab75ab9ccb0a9ca24423ceaf5d3f5f61c0067a6d5989b545", 0x56}], 0x1) bind$inet6(r0, &(0x7f0000000300)={0x1c, 0x0, 0x4, @local={0xfe, 0x80, [], 0x0}, 0x8}, 0x1c) r1 = dup(r0) getsockopt$inet6_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xd, &(0x7f0000000340), &(0x7f0000000380)=0x4) setsockopt$inet6_tcp_buf(r1, 0x6, 0x65, &(0x7f00000003c0)="53829c1907454a35704a776f960c7e5bed2028d8ada58ae382", 0x19) getrlimit(0xa, &(0x7f0000000400)) msgget$private(0x0, 0x2) fstat(r1, &(0x7f0000000440)) getresgid(&(0x7f0000000540), &(0x7f0000000580), &(0x7f00000005c0)) getuid() getresgid(&(0x7f0000000600), &(0x7f0000000640), &(0x7f0000000680)) r2 = semget$private(0x0, 0x2, 0x10) __semctl$SEM_STAT(r2, 0x0, 0xa, &(0x7f0000000b40)=""/130) 18:14:49 executing program 0: r0 = open$dir(&(0x7f00000000c0)='./file0\x00', 0x9c55a147257502a4, 0x0) r1 = open(&(0x7f0000000000)='./file0\x00', 0x0, 0x100) getsockopt$inet_sctp_SCTP_EVENT(0xffffffffffffff9c, 0x84, 0x1e, &(0x7f0000000040)={0x0, 0x7, 0x80}, &(0x7f0000000080)=0x8) setsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x21, &(0x7f0000000200)={0x1, 0x4120, 0x10000, 0xefb, r2}, 0x10) fstat(r0, &(0x7f0000000100)) ftruncate(r0, 0x4) mmap(&(0x7f0000ff3000/0xd000)=nil, 0xd000, 0x6, 0x11, r0, 0x0) 18:14:49 executing program 0: socket$inet6_sctp(0x1c, 0x800000000000005, 0x84) 18:14:49 executing program 0: r0 = open(&(0x7f0000000080)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f0000000000)='./file0\x00', 0x208020001) lseek(r0, 0x0, 0x3) poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x0) write(r0, 0x0, 0x0) r1 = socket$inet6_udp(0x1c, 0x2, 0x0) recvfrom$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) exit(0x0) getsockopt$inet_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x14, &(0x7f00000002c0)={0x2, [0xabd5, 0x100]}, &(0x7f0000000300)=0x8) truncate(0x0, 0x0) getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x19, 0x0, 0x0) getpeername$inet6(r1, &(0x7f0000000180)={0x1c, 0xffffffffffffffff, 0x0, @local}, &(0x7f0000000240)=0x1c) setsockopt$inet6_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x10, &(0x7f0000000280)=0x401, 0x4) truncate(&(0x7f0000000140)='./file0\x00', 0xffffffffffff4a88) poll(0x0, 0x0, 0x0) getitimer(0x2, &(0x7f0000000040)) getitimer(0x0, 0x0) open$dir(0x0, 0x0, 0x0) writev(r1, &(0x7f0000000200)=[{&(0x7f00000001c0)="dc9effef74af4be27049006b6180516f34614e53f475ffa128dae95819171acf039761a19ab2e066a5f7f0", 0x2b}], 0x1) lseek(0xffffffffffffffff, 0x0, 0x0) openat(r0, &(0x7f0000000100)='./file0\x00', 0x1, 0x14) 18:14:49 executing program 2: r0 = socket(0x12, 0x1, 0x0) sendto$unix(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=@file={0x20200, './file0/file0\x00'}, 0x10) connect$unix(r0, &(0x7f0000000000)=@file={0x0, './file0/file0\x00'}, 0x10) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000200)=@file={0x0, './file0/file0/file0\x00'}, 0x16, &(0x7f0000000380)=[{&(0x7f0000000780)='W', 0x1}], 0x1}, 0x20101) 18:14:51 executing program 1: freebsd11_lstat(&(0x7f0000000200)='./file0\x00', &(0x7f0000000240)) r0 = open$dir(&(0x7f0000000100)='./file0\x00', 0x44000400000002c2, 0x0) freebsd10_pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_DELAYED_SACK(0xffffffffffffff9c, 0x84, 0xf, &(0x7f0000000040)={0x0, 0x1c5, 0x3}, &(0x7f0000000080)=0xc) getsockopt$inet6_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x901, &(0x7f00000000c0)=ANY=[@ANYRES32=r2, @ANYBLOB="52f32ccf05000200"], &(0x7f0000000140)=0xc) open(0x0, 0x0, 0x0) freebsd11_fstat(r0, &(0x7f0000000180)) truncate(0x0, 0x81e3) writev(r0, &(0x7f0000000340)=[{&(0x7f0000000180), 0x81700}], 0x1000000000000013) 18:14:51 executing program 0: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) fchmod(r0, 0xe3) ftruncate(r0, 0x101) bind$inet(r0, &(0x7f0000000180)={0x2, 0x0, @multicast1}, 0x10) close(r0) mincore(&(0x7f0000ffd000/0x3000)=nil, 0x3000, &(0x7f0000000080)=""/108) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000300), 0x0) r1 = socket$inet6_udp(0x1c, 0x2, 0x0) shutdown(r1, 0x0) r2 = openat(r0, &(0x7f0000000000)='./file0\x00', 0x100000, 0x40) connect$unix(0xffffffffffffffff, &(0x7f00000001c0)=ANY=[@ANYBLOB="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"], 0x1) fstat(r0, &(0x7f0000000300)) getsockopt$inet6_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x2, &(0x7f0000000400)={0x0, 0x5, 0x2f, 0xfffffffffffffffb, 0x4}, &(0x7f0000000440)=0x14) setsockopt$inet6_sctp_SCTP_AUTH_KEY(r2, 0x84, 0x13, &(0x7f00000004c0)={r3, 0x2, 0x9, "b74afc04ab1eee769f"}, 0x11) getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x10, &(0x7f0000000100), &(0x7f0000000140)=0x4) 18:14:51 executing program 3: getgroups(0x423, &(0x7f0000000140)) setgid(0x0) freebsd10_pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) preadv(r0, &(0x7f0000000240)=[{&(0x7f00000000c0)=""/31, 0x7fffffffffffffff}], 0x1, 0x0) 18:14:51 executing program 2: r0 = accept4$inet(0xffffffffffffffff, 0x0, &(0x7f0000000040), 0x20000000) getsockopt$inet6_sctp_SCTP_MAXSEG(0xffffffffffffff9c, 0x84, 0xe, &(0x7f0000000080)={0x0, 0xffff}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000100)={@in6={{0x1c, 0x0, 0x9, @remote={0xfe, 0x80, [], 0x0}, 0x7f}}, r1, 0x9, 0xcdb, 0x1, 0x8, 0x6}, &(0x7f00000001c0)=0x98) execve(&(0x7f0000000000)='.\x00', &(0x7f00000000c0), 0x0) 18:14:51 executing program 3: readlink(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=""/150, 0x96) r0 = shmget(0x0, 0x1000, 0x80000008, &(0x7f0000ff8000/0x1000)=nil) pipe2(&(0x7f0000000540)={0xffffffffffffffff}, 0x4) getsockopt$inet6_sctp_SCTP_EVENTS(r1, 0x84, 0xc, &(0x7f0000000780), &(0x7f00000007c0)=0xb) shmctl$SHM_LOCK(r0, 0xb) listen(0xffffffffffffffff, 0x0) openat(0xffffffffffffffff, &(0x7f0000000900)='./file0\x00', 0x1, 0x0) socket$inet6_udp(0x1c, 0x2, 0x0) r2 = accept4$inet(0xffffffffffffffff, &(0x7f0000000940)={0x2, 0xffffffffffffffff, @multicast2}, &(0x7f0000000980)=0x10, 0x10000000) socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) close(0xffffffffffffffff) r3 = open(&(0x7f00000000c0)='./file0\x00', 0x80000000000206, 0x0) ftruncate(r3, 0x7e2780e3) r4 = open$dir(&(0x7f0000000040)='./file0\x00', 0x0, 0x0) setrlimit(0x6, &(0x7f0000000000)={0x10000000000b35d, 0x800000b35d}) sync() mlockall(0x2) socket$inet6(0x1c, 0x0, 0x1c) mmap(&(0x7f0000fee000/0x12000)=nil, 0x800000, 0x1, 0x12, r4, 0x0) getsockopt$inet_buf(r2, 0x0, 0x50, &(0x7f0000000140)=""/111, &(0x7f00000001c0)=0x6f) 18:14:51 executing program 2: munmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000) r0 = shmget(0xffffffffffffffff, 0x1000, 0x0, &(0x7f0000ffb000/0x1000)=nil) r1 = shmat(r0, &(0x7f0000ffb000/0x1000)=nil, 0x0) r2 = shmat(r0, &(0x7f0000ffc000/0x1000)=nil, 0x0) shmdt(r1) getresuid(&(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080)=0x0) setuid(r3) shmdt(r2) 18:14:51 executing program 2: pipe2(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x100000) getsockopt$inet6_sctp_SCTP_EXPLICIT_EOR(r1, 0x84, 0x1b, &(0x7f0000000200), &(0x7f0000000440)=0xffffffffffffff28) setrlimit(0x6, &(0x7f0000000000)={0x10000000000b35d, 0x800000b35d}) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x1, 0x12, r0, 0x0) r2 = fcntl$dupfd(0xffffffffffffff9c, 0x11, 0xffffffffffffff9c) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffff9c, 0x84, 0x900, 0x0, &(0x7f0000000080)) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, 0x0, 0x0) mlockall(0x1) sync() getsockopt$inet6_buf(r2, 0x29, 0x3e, 0x0, &(0x7f0000000180)) getsockopt$inet_mreqsrc(r2, 0x0, 0x48, &(0x7f00000001c0)={@local, @local, @remote}, &(0x7f0000000200)=0xc) r3 = socket(0x11, 0x3, 0x0) sendto$unix(r3, &(0x7f0000000100)="b1005b04b30ba45997bb43e25786cb3849451ae3d3051020741038f53e8551f30ce390500e08fecea11ea8fef96e4fc748e93f0b780486ae007373a1bdbe781e5d8f6aef9187a869a4d3722c91f75073a1ebe2a4cbba982fd825582fe2aa7923ed00f4c8b2ca3ebbc259699a1f132e27acb5d606290d7d026ba8af63ff37282934e4fd89f20fd3873babfbb770c1f5a872c881ff7cc53c094303b2b8a85ff3fa86d9211830e0f2f0c9029fc7ab3a34c290", 0xb1, 0x0, 0x0, 0x0) fsync(r2) fcntl$dupfd(r2, 0x11, r2) r4 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x82) setsockopt$inet6_sctp_SCTP_AUTOCLOSE(r4, 0x84, 0x5, &(0x7f0000000040)=0x317, 0x4) truncate(&(0x7f0000000180)='./file0\x00', 0x208020001) lseek(r4, 0x0, 0x1000000000003) getresuid(&(0x7f00000002c0), &(0x7f0000000300), &(0x7f0000000340)) getuid() pwritev(r4, 0x0, 0x0, 0x0) poll(&(0x7f00000000c0)=[{r4}], 0x1, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) getsockopt$inet6_sctp_SCTP_EXPLICIT_EOR(r1, 0x84, 0x1b, &(0x7f0000000100), &(0x7f0000000140)=0x133) freebsd11_stat(&(0x7f0000000380)='./file0\x00', &(0x7f00000003c0)) semget(0x1, 0x0, 0x2) 18:14:51 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_opts(r0, 0x0, 0xb, &(0x7f0000000000)="dee94b04363a92eaa49c", 0xfffffffffffffe28) freebsd10_pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_sctp_SCTP_ADAPTATION_LAYER(r1, 0x84, 0x8, &(0x7f0000000080), &(0x7f00000000c0)=0x4) setsockopt$inet_tcp_TCP_CONGESTION(r2, 0x6, 0x40, &(0x7f0000000300)='htcp\x00', 0x5) r3 = geteuid() fstat(r0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fstat(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setresuid(r3, r4, r5) 18:14:52 executing program 0: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) setsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x21, &(0x7f00000000c0)={0x0, 0x1000}, 0x10) r1 = fcntl$dupfd(r0, 0x0, r0) sendmsg$inet_sctp(r1, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="1c0000008400000000000000000003000000000000000000", @ANYRES32=0x0], 0x1c}, 0x0) 18:14:52 executing program 1: getegid() syz_emit_ethernet(0x2a, &(0x7f0000000000)="79fefb35e5c0fb65fffffeff0806001808000604711d9bd92ba5c7f005f774d957de51c57141595e68b0") 18:14:52 executing program 3: r0 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_int(r0, 0x0, 0x6, &(0x7f00000000c0)=0xffffffffffffff99, 0x4) setsockopt$inet_mreqsrc(r0, 0x0, 0x4f, &(0x7f0000000080)={@loopback, @multicast1, @broadcast}, 0xc) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$inet_mreqsrc(r1, 0x0, 0x46, &(0x7f0000000000)={@multicast2, @remote, @loopback}, 0xc) setsockopt$inet_mreqsrc(r1, 0x0, 0x48, &(0x7f0000000040)={@multicast2, @loopback, @loopback}, 0xc) r2 = accept4$inet6(0xffffffffffffff9c, &(0x7f0000000100)={0x1c, 0xffffffffffffffff, 0x0, @remote}, &(0x7f0000000140)=0x1c, 0x20000000) getsockopt$inet6_buf(r2, 0x29, 0x6f, &(0x7f0000000180), &(0x7f00000001c0)) 18:14:52 executing program 3: r0 = socket(0x2, 0x1, 0x0) connect$unix(r0, &(0x7f0000000000)=@file={0xbd5699bc1ec0282, './file0\x00'}, 0x10) select(0x40, &(0x7f0000000040), &(0x7f00000000c0)={0x8}, 0x0, 0x0) freebsd11_fstat(r0, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0}) freebsd11_lstat(&(0x7f00000002c0)='\x00', &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) chown(&(0x7f0000000200)='./file0\x00', r1, r2) shutdown(r0, 0x1) getsockopt$inet6_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x15, &(0x7f0000000080)={0x0, 0x100000001}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000140)={@in={{0x2, 0x1, @broadcast}}, r3}, 0x8c) 18:14:52 executing program 1: r0 = socket$inet6_udplite(0x1c, 0x2, 0x88) setsockopt$inet6_MCAST_LEAVE_GROUP(r0, 0x29, 0x51, &(0x7f0000000140)={0x8000, {{0x1c, 0x0, 0x14000, @loopback, 0x1}}}, 0x88) setsockopt$inet6_int(r0, 0x29, 0x30, &(0x7f0000000040)=0xfffffffffffffffc, 0x18) r1 = accept4(r0, &(0x7f0000000000)=@in6={0x1c, 0xffffffffffffffff, 0x0, @local}, &(0x7f0000000080)=0x1c, 0x30000000) getsockopt$inet6_sctp_SCTP_AUTOCLOSE(r1, 0x84, 0x5, &(0x7f00000000c0), &(0x7f0000000100)=0x4) 18:14:52 executing program 1: r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_EVENT(r0, 0x84, 0x1e, &(0x7f0000000180)={0x0, 0xa, 0x5}, 0xfffffffffffffdf7) 18:14:53 executing program 2: getgroups(0x4, &(0x7f0000000040)=[0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]) setregid(r0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = accept(r1, &(0x7f0000000000)=@un=@abs, &(0x7f0000000080)=0x8) getpeername$unix(r2, &(0x7f00000000c0)=@file={0x0, ""/108}, &(0x7f0000000140)=0x6e) 18:14:53 executing program 1: r0 = socket$inet6(0x1c, 0x3, 0x0) syz_emit_ethernet(0xaf, &(0x7f0000000300)="f2000d05cfab7d0884979200bd4813ef5074190804f42c6e47a3b2324ae17597644447685235fbbdf581ad4292b8cd0f29949870d628f11b1787a40d90bc6be0506e29f3612f584034b989e9c05a6a887d558aed33b59805155eac4ddd9d2bc7885c6ce032c9b1a38b140adf34b46839796a6b3a1d08780b4752af6c080f3994dd1c987d83a0cffa1770d126656cd9a8d2667df1919a2cf41685726578de54f806ccbe5e1a0f76bf6b42d1e9f8f71c") r1 = fcntl$dupfd(r0, 0x0, r0) getsockopt$inet_buf(r1, 0x0, 0x55, &(0x7f0000000140)=""/118, &(0x7f00000001c0)=0x76) getsockname(r1, &(0x7f0000000200)=@in6={0x1c, 0xffffffffffffffff, 0x0, @remote}, &(0x7f0000000240)=0x1c) rename(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000400)='./file0\x00') getsockopt$inet6_sctp_SCTP_PARTIAL_DELIVERY_POINT(r1, 0x84, 0x11, &(0x7f0000000280), &(0x7f00000002c0)=0x4) setsockopt$inet6_group_source_req(r0, 0x29, 0xc, &(0x7f0000000000)={0x0, {{0x1c, 0xffffffffffffffff, 0x8001, @remote}}, {{0x1c, 0xffffffffffffffff, 0x0, @remote}}}, 0x108) setsockopt$inet6_sctp_SCTP_AUTH_CHUNK(r1, 0x84, 0x12, &(0x7f0000000440)={0x7}, 0x1) lseek(r0, 0x0, 0x3) 18:14:53 executing program 0: r0 = socket(0x2, 0x10000001, 0x84) r1 = getpid() fcntl$setown(r0, 0x6, r1) connect$unix(r0, &(0x7f0000000000)=@file={0xbd5699bc1ec0282, './file0\x00'}, 0x10) setsockopt$inet_sctp_SCTP_AUTH_KEY(r0, 0x84, 0x31, &(0x7f00000000c0), 0x8) 18:14:53 executing program 2: r0 = socket$inet(0x2, 0x4, 0x7df) getsockopt$inet6_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x23, &(0x7f00000000c0)={@in6={{0x1c, 0x3, 0x5, @empty, 0xffff}}, 0x0, 0x948, 0x3, 0x80000000}, &(0x7f0000000040)=0x8c) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x900, &(0x7f0000000180)={r1, 0x7}, 0x8) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$inet_mreqsrc(r2, 0x0, 0x46, &(0x7f0000000000)={@multicast2, @remote, @loopback}, 0xc) setsockopt$inet_mreqsrc(r2, 0x0, 0x46, &(0x7f0000000080)={@multicast1=0xe0000002, @multicast1}, 0xc) setsockopt$inet_mreqn(r2, 0x0, 0xd, &(0x7f0000000200)={@multicast2, @remote}, 0xc) 18:14:53 executing program 1: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0) truncate(&(0x7f00000006c0)='./file0\x00', 0x20801fffc) lseek(r0, 0xfffffffffffffffe, 0x1000000000003) rmdir(&(0x7f0000000140)='./file0\x00') poll(&(0x7f0000000100)=[{r0}], 0x1, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) poll(0x0, 0x0, 0x0) sendto(r0, &(0x7f0000000040)="632998e3ad962486c28395257aa81cf49dd4d8797bde8e50d7d1fcfe7b6d034a383481251febbee1d89f6d903574b6aac521acc0fc7a3bd5d8", 0x39, 0x1, 0x0, 0x0) fcntl$setflags(r0, 0x2, 0x1) lseek(0xffffffffffffffff, 0x0, 0x0) utimes(0x0, 0x0) truncate(&(0x7f0000000000)='./file0\x00', 0xff) syz_execute_func(0x0) panic: inp_join_group: imf_sources not empty cpuid = 1 time = 1554056093 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00212e0520 vpanic() at vpanic+0x1e0/frame 0xfffffe00212e0580 panic() at panic+0x43/frame 0xfffffe00212e05e0 inp_setmoptions() at inp_setmoptions+0x4023/frame 0xfffffe00212e07c0 ip_ctloutput() at ip_ctloutput+0x80f/frame 0xfffffe00212e0810 rip_ctloutput() at rip_ctloutput+0x2c9/frame 0xfffffe00212e0850 sosetopt() at sosetopt+0x101/frame 0xfffffe00212e08d0 kern_setsockopt() at kern_setsockopt+0x158/frame 0xfffffe00212e0950 sys_setsockopt() at sys_setsockopt+0x33/frame 0xfffffe00212e0980 amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe00212e0ab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00212e0ab0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x412e7a, rsp = 0x7fffdfffdf38, rbp = 0x5 --- KDB: enter: panic [ thread pid 902 tid 100493 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why