Extracting prog: 14m9.371179683s
Minimizing prog: 25m57.710655466s
Simplifying prog options: 4m1.965564852s
Extracting C: 42.300518559s
Simplifying C: 0s


24 programs, timeouts [15s 6m0s]
extracting reproducer from 24 programs
single: executing 4 programs separately with timeout 15s
testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): open$dir-futimesat-kmq_timedsend-setsid-open$dir-openat$filemon-ioctl$FILEMON_SET_FD-rfork
detailed listing:
executing program 0:
open$dir(&(0x7f0000000100)='./file1\x00', 0x2000000, 0x160)
futimesat(0xffffffffffffffff, &(0x7f0000000240)='./file1\x00', &(0x7f0000000280)={{0x2, 0x9}, {0x8}})
kmq_timedsend(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0)
setsid()
r0 = open$dir(&(0x7f0000000340)='./file1\x00', 0x10242, 0x0)
r1 = openat$filemon(0xffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$FILEMON_SET_FD(r1, 0xc0045301, &(0x7f00000001c0)=r0)
rfork(0x5000)

program did not crash
testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$inet_MCAST_LEAVE_GROUP-socket-setsockopt$sock_int-socket$inet_sctp-rfork-sync-socket$inet6_icmp_raw-fcntl$dupfd-socket-sendmsg$inet6_sctp-getsockopt$inet_sctp_SCTP_STATUS-socket$inet6_sctp-setsockopt$inet_sctp_SCTP_INITMSG-socket$inet_sctp-dup2-kevent-setsockopt$inet_tcp_int-connect$inet-kqueue-kevent-socket$inet6_tcp-setsockopt$inet6_tcp_TCP_FUNCTION_BLK-setsockopt$inet6_tcp_TCP_FASTOPEN
detailed listing:
executing program 0:
setsockopt$inet_MCAST_LEAVE_GROUP(0xffffffffffffffff, 0x0, 0x51, &(0x7f0000000500)={0x18b, {{0x10, 0x2, 0x1, @multicast2}}}, 0x84)
r0 = socket(0x1c, 0x1, 0x0)
setsockopt$sock_int(r0, 0xffff, 0x0, 0x0, 0x0)
socket$inet_sctp(0x2, 0x5, 0x84)
rfork(0x82040)
sync()
r1 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a)
fcntl$dupfd(r1, 0x0, r1)
r2 = socket(0x1c, 0x1, 0x0)
sendmsg$inet6_sctp(r2, &(0x7f00000000c0)={&(0x7f0000000680)=@in={0x10, 0x2, 0x1, @local={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x1)
getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {@in={{0x10, 0x2, 0x2, @loopback}}}}, &(0x7f0000000000)=0x100)
socket$inet6_sctp(0x1c, 0x0, 0x84)
setsockopt$inet_sctp_SCTP_INITMSG(0xffffffffffffffff, 0x84, 0x3, &(0x7f0000000040)={0x6, 0x0, 0x0, 0x7ff}, 0x8)
r3 = socket$inet_sctp(0x2, 0x5, 0x84)
dup2(0xffffffffffffffff, 0xffffffffffffffff)
kevent(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff5, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r3, &(0x7f00000000c0)={0x10, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
kqueue()
kevent(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0x0, 0x39, 0x8}], 0x1, 0x0, 0x0, 0x0)
r4 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f0000000000)={'rack\x00'}, 0x24)
setsockopt$inet6_tcp_TCP_FASTOPEN(r4, 0x6, 0x462, &(0x7f0000000040)={0x1, "000100000700fc06000001004c8300"}, 0x14)

program did not crash
testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-connect$inet-getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST-socket-setsockopt$inet6_IPV6_HOPOPTS-setsockopt$inet_tcp_TCP_FUNCTION_BLK-getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM-getsockopt$inet6_sctp_SCTP_RESET_STREAMS-sendto-setsockopt$inet_tcp_TCP_FUNCTION_BLK-sendto$inet6-kqueue-kevent-socket-setsockopt$sock_int-bind$inet6-setsockopt$inet_tcp_TCP_FUNCTION_BLK-openat$ptmx-ioctl$DIOCGETRULESET-connect$inet6-sendto$inet
detailed listing:
executing program 0:
socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet(0xffffffffffffffff, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, &(0x7f0000000180)={0x1, [0x0]}, &(0x7f0000001700)=0xe)
r0 = socket(0x0, 0x0, 0x0)
setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x31, &(0x7f00000016c0)=ANY=[@ANYBLOB="0004000000000000040100040100c2"], 0x28)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24)
getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xb, &(0x7f0000000240)={0xd9, 0x2, 0x630, 0x80000001, 0x3, 0x5, 0x0, 0x4}, &(0x7f0000000280)=0x20)
getsockopt$inet6_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, &(0x7f00000004c0), &(0x7f0000000300)=0x18)
sendto(r0, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000180)={'freebsd\x00'}, 0x24)
sendto$inet6(r0, &(0x7f0000000040)="14", 0x1, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c)
r1 = kqueue()
kevent(r1, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5}], 0x1, 0x0, 0x0, 0x0)
r2 = socket(0x1c, 0x1, 0x0)
setsockopt$sock_int(r2, 0xffff, 0x1001, &(0x7f00000000c0)=0x101, 0x4)
bind$inet6(r2, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00'}, 0x24)
r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
ioctl$DIOCGETRULESET(r3, 0xc444443b, &(0x7f0000000100)="663f31f2481105c1343d46b8ad6be7bdbce2cc23cff94645e3cbac02e4320c579447fe330fb1d2892d60ef28bc8d4c5ba2bdb4a86510b2007d320769b90afa39de5e2abcd827eaf009a7fbb410848c5bc23e0ed05b8c6fd27c4fba84a6b0c667e6cd48f4612af590a4c15469f8cfc9571603374396bcc8161f69")
connect$inet6(r2, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
sendto$inet(r2, &(0x7f0000000200)="0e", 0xff66, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-openat$crypto-socket$inet6_sctp-connect$inet6-setsockopt$inet6_sctp_SCTP_EVENTS-socket-setsockopt$inet_tcp_TCP_FUNCTION_BLK-setsockopt$inet_tcp_int-connect$inet-sendmsg$inet6_sctp-sync-sendmsg$unix-socket
detailed listing:
executing program 0:
socket(0x2, 0x1, 0x0)
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
connect$inet6(r0, &(0x7f0000000080)={0x1c, 0x1c, 0x3, 0x0, @rand_addr="00000000000000001bb400"}, 0x1c)
setsockopt$inet6_sctp_SCTP_EVENTS(r0, 0x84, 0xc, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0xb)
r1 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r1, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r1, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r1, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x1a0}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214362114349b82946677ddfd142aa6bb617033770a391dbfca5781c270e368983e8716559658762d28e7aa65c9d1c963d21f", 0x62}], 0x2, 0x0, 0x0, 0x81}, 0x0)
sync()
sendmsg$unix(0xffffffffffffffff, &(0x7f0000000b00)={&(0x7f00000001c0)=@abs={0x8, 0x1, 0x0, 0x2}, 0x8, &(0x7f0000000180)=[{&(0x7f0000000280)="e396375ae9478c2e46b110b18b8695e1430c49ea50d9800c9b32cd01e2a0630f05261517a22e2903c2f575386d1b29b91eafbb79e8c212c11bcc8cbac6847651c5b8bf98c0485612c0ed7cfa3b7f90cdc9fc860d6a5534795213ab8f3b8ced462fe7da3b0090becd10a15e102150bd06996145b2bcf9dbe96a2e3d7c3175eec8e578ce0db5ad82105ddebb32aa44d05a13d1b6fb8f7651d46e36271649d52feda6cba69311190c938fbcf60f64bed37e763802c0f8dae598a26131c7d98ae23d9de29ee51c9b0cb13e2fe0757d646d7dacb15717761bd10e3b299cdee5cc88e3b7032ba0a03fa10b84c9185c1aca7b67605438f50331", 0xf6}, {&(0x7f0000000480)="0b7364c57962617e8f18fb71ec0b6d1aa84e23ef47c562827937cb8cfae3bcd02caa727e2dfc4efeb34c29e125ab98be260952e7a78a883406ba866e0010f9941ea85ef93902411bf76a68a258ecb3892de0ba36e014b198abd7c2f0b59654b4bbbf212e10ddad78534f694f0e1b35d5fe893fbe7271cfe8394a611beb643f9c4b0e9b9cf60b35e63987ef0eb399d6750a69acdd374a34d0d42f3975616af09f347220a2df1a8bad7fd615b17a46563fcfdd5cdf0313ed2256eeff35da3e16fd77f6cd1cc04866af370e7a9e07cc0bd51f33ae19077ba59ac446f417dbdbaa735298b41120eeaa7bff938767c7b53d", 0xef}], 0x2, &(0x7f0000000840)=ANY=[@ANYBLOB="6000000000000000ffff0000030000", @ANYRESHEX, @ANYRESDEC, @ANYRES32=0x0, @ANYRESOCT, @ANYRES8, @ANYRES32=r1, @ANYBLOB="982c43d998a9ca8c8601812ff9952fe7d71d6b342864f873c0", @ANYRES32=0x0, @ANYRES8, @ANYRES32=0x0, @ANYRES64, @ANYRES32=0x0, @ANYRESDEC, @ANYRES32, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="000000002000000000000000ffff000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="000000006000000000000000ffff000003000000", @ANYRES8=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYRES64, @ANYBLOB="9c5407756b9f15555d04a4c79e8188e533aa7fd79d3bad015e9a90c342d86ea1ab9fc0d624bda001e625659c4eda2575eaa64cbfa790840fe31d20cf13340e52585067b75dcc3feb34beca02a3fda6600d1cc7aa3487d72489e73035212ebe1113aadd4e57e339686a7e6cc798887b3f93f075b43ea0df2e4a4ede3a0e761b6981b7f3fa0247451cd1d0048ca309b1e63d4fab7a24ce5a6776a05cbae6ec1b40e99861123d72ab0fac1f1f9db1f1e440085bfc543cfa666ad08c262b9f87d216338fbbef01b549035aa8fd1ad2c48d714df1d4a8c5b8", @ANYRES32, @ANYRES32, @ANYRES32=0x0, @ANYRESHEX, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRESOCT, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRESOCT, @ANYBLOB="00100000"], 0xe0, 0x20000}, 0x10d)
socket(0x2, 0x1, 0x0)

program did not crash
single: failed to extract reproducer
bisect: bisecting 24 programs with base timeout 15s
testing program (duration=21s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [16, 27, 23, 26, 7, 2, 14, 13, 14, 24, 17, 19, 1, 28, 28, 11, 20, 22, 13, 14, 16, 21, 23, 8]
detailed listing:
executing program 2:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f0000000200)={0x10, 0x2, 0x1, @local={0xac, 0x14, 0x0}}, 0x10)
connect$inet(r0, &(0x7f0000000040)={0x10, 0x2, 0x1, @local={0xac, 0x14, 0x0}}, 0x10)
setsockopt$inet_sctp_SCTP_EVENT(r0, 0x84, 0x1e, &(0x7f00000001c0)={0x0, 0x3}, 0x8)
bind$inet6(0xffffffffffffffff, 0x0, 0x0)
r1 = socket(0x1c, 0x10000001, 0x84)
setsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x2, &(0x7f0000000080)={0x0, 0x0, 0x0, 0xfffffffd}, 0x14)
socket$inet_sctp(0x2, 0x5, 0x84)
r2 = socket$inet6_sctp(0x1c, 0x1, 0x84)
bind(r2, 0x0, 0x0)
fhopen(0x0, 0x0)
open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0)
r3 = open(&(0x7f0000000280)='./file0\x00', 0x3fc, 0x0)
flock(r3, 0x1)
flock(r3, 0x2)
sendto(0xffffffffffffffff, &(0x7f0000000380)="f9", 0x1, 0x0, &(0x7f0000000280)=@in={0x10, 0x2, 0x2, @rand_addr=0x7fffffff}, 0x10)
executing program 2:
r0 = open(&(0x7f0000000040)='./file0\x00', 0x70e, 0x0)
pwritev(r0, &(0x7f00000003c0)=[{&(0x7f0000000740)="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", 0x192}], 0x1, 0x0)
r1 = socket$inet_sctp(0x2, 0x1, 0x84)
setsockopt$inet_sctp_SCTP_EXPLICIT_EOR(r1, 0x84, 0x1b, &(0x7f0000000000)=0x9, 0x4)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
dup(0xffffffffffffffff)
r2 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_int(r2, 0x6, 0x22, &(0x7f0000000000)=0x1, 0x4)
setsockopt$inet6_int(r2, 0x29, 0x1b, &(0x7f0000000240), 0x4)
ioctl$DIOCRADDTABLES(0xffffffffffffffff, 0xc450443d, &(0x7f0000000200)={{"0b6599970e127ad54d6de5cb281e7f49179902145c4c152b91c7df3995cef04951ce546d946f159d6c05f36920069ccc9fa7343fa06abc96c7bf04113f80be09a81bd2958244999fc5233a1abe1fec1574e1f5eed6e0595df5531a8ea1ae014c1ad699810724b461547bcd75393a07ba3a442cc263e32e01078a91ad9c22b6b8c8034cf6ca8b3b5b4b2940cda8315672d261b81d3477c9112bde8ae085b828363a70f6279932a06ab20a9d18c845a2064d44cc324d6297cfd3ccb2113a9c06b87eaaa07c2ffcae960ea465154ab353368dff6b03d32e8d3e84b541c9d9011aaedd9322326687c1201d4344ea2b35b67eadf4b5faac281588c953bbdf11836e72c246564d486d1a25051eb805de8474be46d86a7a28100428b722fe29968323f3a6ca0b99886bcdc173593ff8c73a36f6a62810088e96ab0f83f02f62ae89eceba8dc55572a88785dec790eedddd4e6a19f49b207d285b7e9124b055fb56110d2584a72376aa6eccf5a718f35f3605291cae5af7799d4963ddeaffa365b91fa86a28671ee2b008909695bc542783f87a6157f7a77f2008c62b420c78891635f0d122fae6d57f89ea36dbaa00f65ea4fa8fef4913795165f26cf8f8a53e88a496ecdb987146d002d63c6fd27c929b3c2d2b4f9fb19ea665d20ea37f39115ac28dab0cf9a8d23bc4748bc211345a694cab5a4c6cdec959ec8a0fa062411f0175fb8e89b23154efbb5e2d890c1fa7524783b47f2ad1ac866365019224de7018cdc8d876c183518b15681f427bd148c47e141dcd72ed720947bafff4dc5159c8def7dea8dea62fc61f1248f3276e84358db0c96b92da5de390d3a9eec96d44497acf20738e1c1194d5b0556f8172d7d35aa286b5b5ecf8380d27e973aab2404e3a9a3601e5343e7af710343d2191b3df75d992dd6c51259e79750c96d6d05c236492fc2e715fcbc8c9f5185ef3b86a87d79d3ee071d844eb15694f7884942be6637697f9875995b4a77b4a19d04c38df04484b2fa7ceaf79c0234ed58aac3ebe06b8bd501efc6a526c1a8492b059cc36c1ffb3c68edce05ecce7327460199fdceca05269bee671f35097aaa971eed57931dacfdb5ce7178e6ca88af8ba2fb967bddf6e5e86fdc1776fd45f57f37979a54c2698df36feb63a5efdb3636f09715a7f6bed5fe0a955ee1b499f34338f14b530b9d71a088978a11eaba784b12886cb1cb9d53ec077512f95e135857f17459b956f3ca71b209d11e7512275421adb1a12851f277f5e73b514145d7d733725e3ada50cc7027e1d992bff5f37334c7a429e20675832df09ad24483cad85a4ad9a9d8e87975eee7827375b19d8a4ef0e7b84fd21e613e882b3a80b10686bd3ca210f8014f2e100e6df28756639cd360558776e60a23e8a7eb81a56b90b39a23037387810b4f79e2c6328876c911b496ff227a31", "45c7a3903b2ec85566844c77c9f9b8d3847d7f5cd90935ea0777a101eb6684c9", 0x5, 0x4f}, &(0x7f0000000100)="e10259437497e87de8104d44c32f7239278093a8abeeabfc4a7b972be05c9a85a2eb9f342681af9f17552908aa0cf43895b5d79240f4c34b394688ade5ec1390", 0xf5c4, 0x40, 0x0, 0x9, 0x7, 0x9, 0xf3, 0x8})
clock_getres(0xe, &(0x7f0000000680))
mprotect(&(0x7f00003fe000/0xc00000)=nil, 0xc00000, 0x1)
setsockopt$inet6_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000080)={'rack\x00'}, 0x24)
sendto$inet6(r2, 0x0, 0x0, 0x0, &(0x7f0000000180)={0x1c, 0x1c, 0x0, 0x0, @ipv4, 0x81}, 0x1c)
bind$inet(r1, &(0x7f0000000200)={0x10, 0x2, 0x1, @local={0xac, 0x14, 0x0}}, 0x10)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
setsockopt(r3, 0x0, 0x3, &(0x7f0000000000)="f10100", 0x3)
connect$inet(r1, &(0x7f0000000040)={0x10, 0x2, 0x1, @local={0xac, 0x14, 0x0}}, 0x10)
sendmsg$inet_sctp(r1, &(0x7f00000025c0)={&(0x7f0000000000)=@in6={0x1c, 0x1c, 0x3, 0x0, @ipv4={'\x00', '\xff\xff', @remote={0xac, 0x14, 0x0}}}, 0x1c, &(0x7f0000002500)=[{&(0x7f0000000040)="e33604a45cfa3e1254ef7146606d3d8cefcc7fe53338ebf41876e0c39cf813f9f96b5b9201466fc431b0ec672500c1caba2b4515e5046c0003c91687e5640d3990d35c5ef81f9caf9c0b25f21492e5735e4a2476740755fd11f27d07b7", 0x5d}, {&(0x7f0000000100)="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", 0x458}, {0x0}, {0x0}, {&(0x7f0000002400)="d512f831ef87d9a637cf89b1fa2e906eeb54784a9bcf28c4d9aacee64c443dc625c462e114dd16ceef68a424b5d2ae58c782ab8897880a75192d4a5b3d73fe2e68eae7df5d856e2b16239a3bb734c1922411e412de2d02bdcae5807a2132913e654cd9ee193868137311d685ef53e76a48961159b3e6ee40bf5d1a82f3b15d6d0a23ba59b5ae1f77f82b5cd42ed7adeda5b40bc4caf00b04c8a416bc9f01e5d8e911331fac09f4d84d4eb5cc82b18aaf34a5a85e25", 0xb5}, {&(0x7f00000024c0)="eb68927e7b7be8aaaa71286a3835850c0cb92a415135f8ffe7072e370d8e511e6e81caef251cda1347cbf13c002953a4af47", 0x32}], 0x6}, 0x0)
syz_emit_ethernet(0x42, &(0x7f00000000c0)=ANY=[@ANYBLOB="ffffffffffffac566741009808004800007b0000000000009078ffffffffe0000002440c000000000000000000004e234e22", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB="000000009078000000003f8ac4a9d79827249a5b8dc3b47991cd0000ee22a27579d4c431f00b67379a31e9dfe626ba5c0eb49aee99f64ca00acab821667ceab46c1ed307a4fb5a17f9eabeac447eb958197653fc86b1da45b0568da5fbbbbadb7471b22dd302344b27b23dcaa55235b7650900"/126])
writev(r0, &(0x7f0000000000)=[{&(0x7f0000000200)="0ec465cdab1ab6925cb81235dbb17399c070dde203e502106f690d9947364fe3569560e73bfa9012263c0ef6eb626ad79d51e7b4607879072ca33809a85443bef8e011b3e2e63de6f9637ca6e422106a6a1762b67f560814eef6dcb3f39a2e51600251fbad1ee82088a75ca376da066e763d4d967ce8aadb3c3fd7f9ae4f4c83b220d59b80283161ec55078a180c86454a6af889e6877abb5119218026dd409b65c450ff09e8a2b84a3bc3e8ffeceb6761b349d9d7512b3b4bcbcf5ceb029b7740fbb949d4dd", 0xc6}], 0x1)
setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000000280), 0x4)
mincore(&(0x7f0000f0c000/0x3000)=nil, 0x0, &(0x7f0000afaf0a)=""/246)
mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x11, r0, 0x0)
mkdir(&(0x7f0000000080)='./file0\x00', 0x0)
open$dir(&(0x7f0000000200)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x400000002c4, 0x0)
rmdir(&(0x7f0000000080)='./file1\x00')
executing program 2:
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
dup2(0xffffffffffffffff, 0xffffffffffffffff)
r1 = socket(0x0, 0x0, 0x0)
setsockopt$inet6_IPV6_HOPOPTS(r1, 0x29, 0x31, &(0x7f00000016c0)=ANY=[@ANYBLOB="000400000000000004"], 0x28)
sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x800000, @empty, 0x10}, 0x1c)
sendto$inet6(0xffffffffffffffff, &(0x7f0000000600), 0x0, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c)
r2 = kqueue()
kevent(r2, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x0, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x1, 0x84)
dup2(0xffffffffffffffff, 0xffffffffffffffff)
r3 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r3, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r3, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r3, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r3, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x125}], 0x1, 0x0, 0x0, 0x81}, 0x0)
socket$inet6_sctp(0x1c, 0x1, 0x84)
vfork()
setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0x40, 0x0, 0x0)
socket(0x1c, 0x1, 0x0)
r4 = socket$inet_sctp(0x2, 0x0, 0x84)
setsockopt$inet_sctp_SCTP_EXPLICIT_EOR(r4, 0x84, 0x1b, &(0x7f0000000000)=0x9, 0x4)
setsockopt$inet6_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, 0x0, 0x0)
executing program 0:
unlink(0x0)
socket$inet_icmp_raw(0x2, 0x3, 0x1)
socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet_sctp(0x2, 0x0, 0x84)
rename(0x0, 0x0)
ioctl$DIOCGETSTATES(0xffffffffffffffff, 0xc0104419, 0x0)
openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x0, 0x84)
socket$inet_tcp(0x2, 0x1, 0x0)
vfork()
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$unix(0xffffffffffffff9c, 0x0, 0x0)
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
bind$inet6(0xffffffffffffffff, &(0x7f0000000040)={0x1c, 0x1c, 0xffffffffffffffff, 0x0, @loopback}, 0x1c)
vfork()
lio_listio(0x0, 0x0, 0x0, &(0x7f00000047c0)={0x1, 0x7})
connect$inet6(r0, &(0x7f0000000100)={0x1c, 0x1c, 0x0, 0x0, @rand_addr="fe9571df2a72c3746660c8e1fa3ed6de"}, 0x1c)
r1 = kqueue()
r2 = socket$inet6(0x1c, 0x3, 0xf7)
connect$inet6(r2, &(0x7f0000000180)={0x1c, 0x1c, 0x0, 0x0, @loopback}, 0x1c)
sendto$inet6(r2, 0x0, 0x0, 0x1, &(0x7f0000000080)={0x1c, 0x1c, 0x3, 0x0, @rand_addr="fff71fdcedff000080009e000000e216", 0x4}, 0x1c)
kevent(0xffffffffffffffff, &(0x7f0000000100)=[{0x0, 0xffffffffffffffff, 0x41}], 0x0, 0x0, 0xeb10e9de682800df, 0x0)
r3 = dup2(r1, r1)
getsockopt$inet6_sctp_SCTP_GET_PEER_ADDRESSES(0xffffffffffffffff, 0x84, 0x8003, 0x0, 0x0)
openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0)
kmq_timedreceive(r3, &(0x7f00000002c0)=""/115, 0x73, 0x2, &(0x7f0000000080)={0x298a750d, 0x2})
executing program 2:
dup2(0xffffffffffffffff, 0xffffffffffffffff)
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, 0x0, 0x0)
connect$inet(r0, &(0x7f00000002c0)={0x10, 0x2, 0x0, @rand_addr}, 0x10)
r1 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000040)={'rack\x00', 0x4000002}, 0x24)
setsockopt$inet_tcp_int(r1, 0x6, 0x41f, &(0x7f0000000100), 0x4)
executing program 1:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
getsockopt$inet6_sctp_SCTP_EVENT(r0, 0x84, 0x1e, &(0x7f0000000280)={0x0, 0x0, 0x1f}, &(0x7f00000002c0)=0x8)
executing program 2:
r0 = socket$inet6_sctp(0x1c, 0x5, 0x84)
r1 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0)
ftruncate(r1, 0x3862)
open(&(0x7f0000000480)='./file0\x00', 0x0, 0x0)
r2 = open$dir(&(0x7f0000000700)='./file0\x00', 0x202, 0x0)
r3 = open$dir(&(0x7f00000000c0)='./file0\x00', 0x40000400001803c1, 0x0)
pwritev(r3, &(0x7f0000000080)=[{&(0x7f00000006c0), 0xf0f75}], 0x1, 0x0)
mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x6, 0x11, r3, 0xcd30)
mmap(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x7, 0x11, r2, 0x0)
mlock(&(0x7f0000ffb000/0x4000)=nil, 0x4000)
madvise(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x3)
r4 = dup2(r0, r0)
msync(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x1)
setsockopt$inet6_sctp_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x22, &(0x7f0000000100)={0xb}, 0xc)
executing program 1:
openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
r0 = socket$inet6(0x1c, 0x5, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3b, &(0x7f0000000080), 0x4)
bind$inet6(r0, &(0x7f00000001c0)={0x1c, 0x1c, 0x2, 0x0, @mcast1, 0xd}, 0x1c)
setresuid(0xee01, 0x0, 0x0)
r1 = getuid()
setresuid(0xee01, r1, 0x0)
connect$inet6(r0, &(0x7f0000000180)={0x1c, 0x1c, 0x0, 0x4, @ipv4={'\x00', '\xff\xff', @remote={0xac, 0x14, 0x0}}, 0x1}, 0x1c)
r2 = socket(0x1c, 0x1, 0x0)
bind$inet6(r2, &(0x7f0000000000)={0x1c, 0x1c, 0x0, 0x0, @empty}, 0x1c)
accept$inet6(0xffffffffffffffff, &(0x7f0000000100)={0x1c, 0x1c, 0xffffffffffffffff, 0x0, @mcast1}, &(0x7f0000000140)=0x1c)
connect$inet6(r0, &(0x7f0000000040)={0x1c, 0x1c, 0x3, 0x2, @remote={0xfe, 0x80, '\x00', 0x0}}, 0x1c)
executing program 1:
bind$inet(0xffffffffffffffff, 0x0, 0x0)
socket(0x0, 0x0, 0x0)
r0 = socket(0x2, 0x0, 0x0)
posix_fallocate(0xffffffffffffffff, 0x0, 0x4)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, 0x0, 0x0)
connect$inet(0xffffffffffffffff, 0x0, 0x0)
fork()
fork()
getsockopt$inet6_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x26, &(0x7f0000000640)={0x0, 0x4}, &(0x7f0000000680)=0x8)
freebsd10_pipe(0x0)
sendto(r0, 0x0, 0x0, 0x0, 0x0, 0x0)
shutdown(r0, 0x1)
r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000600), 0x400, 0x0)
ioctl$DIOCRDELTABLES(r1, 0xc450443e, &(0x7f0000000180)={{"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", "8b8c8f16eb13d6b547ebe2d2c03256c3816e05bf3cc567cf8a0d39496a99c576", 0x2}, 0x0, 0x0, 0x0, 0x0, 0xffff, 0xd5d6, 0x2, 0xffffffffffffe31d})
executing program 3:
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r0, 0x0, 0x0)
r1 = dup2(0xffffffffffffffff, 0xffffffffffffffff)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x105, 0x0, &(0x7f0000001700))
r2 = socket(0x0, 0x0, 0x0)
setsockopt$inet6_IPV6_HOPOPTS(r2, 0x29, 0x31, &(0x7f00000016c0)=ANY=[@ANYBLOB="000400000000000004"], 0x28)
sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x800000, @empty, 0x10}, 0x1c)
sendto$inet6(0xffffffffffffffff, &(0x7f0000000600)="14a3fb1a6025b8cdd859c1c2900984923796fa62612e29c5a050c38d8c9f8cb62763920df1f67ddcd95e8d3e9984b6ce65093291e16bd3c0690a6f3c041c1d1b149dcdbfc289cafbafae52adad225aa5d98169f951ae4af8a475a23b341bdbfd6dc85dd7b948384873e36b", 0x6b, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c)
r3 = kqueue()
kevent(r3, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0)
socket(0x1c, 0x1, 0x0)
syz_emit_ethernet(0x42, 0x0)
socket$inet_sctp(0x2, 0x5, 0x84)
r4 = socket$inet_sctp(0x2, 0x0, 0x84)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x28, &(0x7f0000000280)={0x1, [0x0]}, &(0x7f00000002c0)=0x8)
r5 = socket$inet6_sctp(0x1c, 0x1, 0x84)
dup2(r5, 0xffffffffffffffff)
r6 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r6, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r6, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r6, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x125}], 0x1, 0x0, 0x0, 0x81}, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
rfork(0x85000)
executing program 1:
socket$inet6_sctp(0x1c, 0x5, 0x84)
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, &(0x7f0000001700))
r1 = socket(0x0, 0x0, 0x0)
sendto$inet6(r1, &(0x7f0000000600), 0x0, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c)
r2 = kqueue()
kevent(r2, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0)
r3 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r3, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r3, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r3, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r3, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x135}], 0x1, 0x0, 0x0, 0x81}, 0x0)
fstatat(r3, &(0x7f0000000180)='./file0\x00', &(0x7f0000000780), 0x200)
socket(0x1c, 0x2, 0x0)
connect$inet(0xffffffffffffffff, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10)
rfork(0x85000)
executing program 0:
sync()
r0 = socket$inet6_sctp(0x1c, 0x0, 0x84)
socket(0x1, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x0, 0x84)
ioctl$CIOCCRYPT(0xffffffffffffffff, 0xc0306367, &(0x7f0000000180)={0xe76, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, 0x0, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x5, 0x84)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, 0x0)
ioctl$CIOCGSESSION2(0xffffffffffffffff, 0xc040636a, 0x0)
r1 = openat$crypto(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$CIOCGSESSION2(r1, 0xc040636a, &(0x7f00000000c0)={0x1f, 0x0, 0x20, &(0x7f0000000100)="0b6fac4103e7a00d4689e808d0d4753cc859dd1bff275aedaacdd4743c7eaa2c", 0x0, 0x0, 0x0, 0x7d86699a, [0x0, 0x0, 0x0, 0xda]})
ioctl$CIOCCRYPT(r1, 0xc0306367, &(0x7f0000000640)={0x0, 0x2, 0x0, 0xa7dd, &(0x7f0000000200)="83acdda754cf31bf7eeddaba87642c7107e742498006e02a7406b8ebbc662f1464c5b940c793ffc94f2bfaa323aa5e360361dc6430e2caedfeb67b55a62512daf1e7cb070d67a56085ef77d95232896846c9c73f890c864e89bc1df46e755b8a0555bbf01a632c9c6b74c311f01724ee552c368785cf4f7acda16da2", 0x0, 0x0, &(0x7f0000000400)})
semget$private(0x0, 0x0, 0x0)
setsockopt$inet6_sctp_SCTP_MAX_BURST(r0, 0x84, 0x19, &(0x7f0000000000), 0x8)
ioctl$DIOCGETQSTATSV0(0xffffffffffffffff, 0xc0184432, &(0x7f0000000100)="a4e6e67600d9e020eead6e2e03c0cc548b3e499273c50d225a407deff51e6c7d6773272cd4ae1a973a4f627f753ec38a14e43493aad3b20e9f522e9e7011de7555b87d1e69f2a0a154b2d11a587d7e37c7fcf7b3b84fd234dfb02d9b914835b670acfbc38d0ddc8025591be3f0f7d68435df082133ec0761c873f1851faea41f91548e531542998580e319c7ba8b44e6671d83cfe2930f832683d80ec864055134d6fe20a133d6e3eb0a0112f58cd6cce2ffc5bd40becb8195546aaac9fb4f9dc8630954e2f403")
r2 = socket$inet_sctp(0x2, 0x1, 0x84)
connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @mcast1, 0x3}, 0x1c)
getsockname$inet6(0xffffffffffffffff, 0x0, &(0x7f0000000700))
shutdown(r2, 0x1)
executing program 3:
syz_emit_ethernet(0x4e, &(0x7f00000003c0)={@broadcast, @remote, [], {@ipv6={0x86dd, {0x0, 0x6, '\x00o3', 0x18, 0x3a, 0x0, @rand_addr="8a211dd1450021b07f5a1957de7400", @local={0xfe, 0x80, '\x00', 0x0}, {[], @icmpv6=@mld={0x82, 0x0, 0x0, 0x0, 0x0, @empty}}}}}})
executing program 3:
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000540), 0x1, 0x0)
ioctl$DIOCADDADDR(0xffffffffffffffff, 0xc4704434, &(0x7f0000000480)="02")
ioctl$DIOCBEGINADDRS(r1, 0xc4704433, &(0x7f0000000040))
ioctl$DIOCADDADDR(r1, 0xc4704434, &(0x7f0000000040))
socket$inet6_sctp(0x1c, 0x0, 0x84)
r2 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a)
setsockopt$inet6_group_source_req(r2, 0x29, 0x0, 0x0, 0x0)
setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x50, &(0x7f0000000500)={0x2, {{0x1c, 0x1c, 0x0, 0x0, @mcast2}}}, 0x88)
setsockopt$inet6_group_source_req(r2, 0x29, 0x53, &(0x7f00000000c0)={0x3, {{0x1c, 0x1c, 0x2, 0x0, @mcast2}}, {{0x1c, 0x1c, 0x3, 0x0, @rand_addr="fb008700005276754968d25ea90400"}}}, 0x108)
getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0xa, 0x0, 0x0)
getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000380)={@in6={{0x1c, 0x1c, 0x0, 0x0, @loopback, 0x401}}, 0x0, 0x6, 0x0, 0x200, 0xffff8001, 0xffff}, 0x0)
writev(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}], 0x1)
setpriority(0x0, 0x0, 0x6)
r3 = socket$inet6_sctp(0x1c, 0x5, 0x84)
r4 = socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet6(r4, &(0x7f0000000000)={0x1c, 0x1c, 0x0, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}, 0x200000}, 0x1c)
setsockopt$inet6_sctp_SCTP_AUTOCLOSE(r3, 0x84, 0x5, &(0x7f0000000440)=0x2, 0x4)
getsockopt$inet_sctp_SCTP_REMOTE_UDP_ENCAPS_PORT(0xffffffffffffffff, 0x84, 0x24, 0x0, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
connect$inet(r0, &(0x7f0000000000)={0x10, 0x2, 0x2, @multicast2}, 0x10)
socket$inet6_sctp(0x1c, 0x5, 0x84)
socket(0x2, 0x0, 0x0)
r5 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_sctp_SCTP_MAXSEG(r5, 0x84, 0xe, &(0x7f0000002580), 0x8)
bind(r5, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x3, 0x0, @loopback}, 0x1c)
socket$inet6_sctp(0x1c, 0x0, 0x84)
setsockopt$inet6_sctp_SCTP_EVENTS(0xffffffffffffffff, 0x84, 0xc, 0x0, 0x0)
executing program 1:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
sendto(r1, &(0x7f0000000900)="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"/1050, 0x41a, 0x104, &(0x7f0000000480)=@in={0x10, 0x2, 0x1, @loopback}, 0x10)
r4 = fork()
sigqueue(r4, 0x0, @sigval_int)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})
setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0x40, 0x0, 0x0)
executing program 0:
r0 = openat$filemon(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0)
r1 = __specialfd$eventfd(0x1, &(0x7f0000000540), 0x8)
fhopen(0x0, 0x0)
ioctl$FILEMON_SET_FD(r0, 0xc0045301, &(0x7f0000000000)=r1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x0, 0x84)
profil(0x0, 0x0, 0x0, 0x0)
getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, 0x0, 0x0)
freebsd11_kevent(0xffffffffffffffff, &(0x7f0000000300)=[{0x5, 0xfffffffffffffffa, 0x13, 0x1000000, 0x5, 0xfffffffffffffffc}, {0xffffffffffff10d0, 0xfffffffffffffffb, 0x1, 0x10, 0x25, 0x800}, {0xaf, 0xfffffffffffffffd, 0x4, 0x4, 0x4a, 0x286}, {0x7, 0xfffffffffffffff0, 0xd2, 0x1, 0x7, 0x7}, {0x2, 0xfffffffffffffffb, 0x0, 0x1, 0x10000, 0x1}, {0x4, 0xfffffffffffffffe, 0x8000, 0x1, 0x6, 0xda}, {0x0, 0xfffffffffffffff9, 0x8000, 0x80000000, 0x2, 0x7}, {0x89e, 0xfffffffffffffff3, 0x8020, 0x20, 0x3cb3, 0x1000}], 0x8, &(0x7f0000000440)=[{}, {}, {}, {}, {}, {}, {}], 0x7, &(0x7f0000000080)={0xb5, 0x1})
rfork(0x3040)
executing program 0:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f0000000280)={0x10, 0x2, 0x3}, 0x10)
open(0x0, 0x0, 0x0)
lio_listio(0x0, 0x0, 0x0, &(0x7f00000047c0)={0x1, 0x7})
ktrace(&(0x7f0000000080)='./file0\x00', 0x4, 0x4b54, 0x0)
cpuset_getaffinity(0x2, 0x0, 0x0, 0x8, &(0x7f0000000000))
lio_listio(0x0, 0x0, 0x0, &(0x7f00000047c0))
r1 = socket$inet_sctp(0x2, 0x0, 0x84)
setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0xa, 0x0, 0x0)
connect$inet(r1, &(0x7f0000000000)={0x10, 0x2, 0x0, @rand_addr=0x6}, 0x10)
setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x21, 0x0, 0x0)
lpathconf(0x0, 0x0)
socket$inet6_sctp(0x1c, 0x5, 0x84)
socket$inet(0x2, 0x0, 0x0)
fork()
socket$inet6_sctp(0x1c, 0x0, 0x84)
ioctl$DIOCOSFPADD(0xffffffffffffffff, 0xc088444f, 0x0)
r2 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000000)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r2, 0x6, 0x42b, &(0x7f0000000100)=0x1, 0x4)
executing program 3:
socket(0x0, 0x0, 0x0)
r0 = socket(0x0, 0x0, 0x0)
sendmsg$inet6_sctp(r0, &(0x7f0000000340)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, 0x0}, 0x8)
fstatat(0xffffffffffffffff, &(0x7f0000000300)='./file1\x00', &(0x7f0000000580), 0x4400)
r1 = socket(0x1c, 0x2, 0x0)
close(r1)
getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
socket(0x0, 0x0, 0x0)
r2 = socket(0x1c, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r2, 0x6, 0x48, &(0x7f00000003c0)=0x3, 0x4)
connect$inet(r2, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10)
setsockopt$inet6_sctp_SCTP_AUTH_KEY(0xffffffffffffffff, 0x84, 0x13, 0x0, 0x9)
sendmsg$inet6_sctp(0xffffffffffffffff, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x21, 0x0, 0x0)
r3 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_sctp_SCTP_MAXSEG(r3, 0x84, 0xe, &(0x7f0000002580)={0x0, 0x3}, 0x8)
bind(r3, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x3, 0x0, @loopback}, 0x1c)
connect$inet6(r3, &(0x7f0000000080)={0x1c, 0x1c, 0x3, 0x0, @loopback}, 0x1c)
r4 = dup(r3)
sendto$inet6(r4, &(0x7f00000025c0)="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", 0xe85, 0x60108, &(0x7f0000001240)={0x1c, 0x1c, 0x2, 0x7e46, @mcast2}, 0x1c)
executing program 2:
socket(0x2, 0x1, 0x0)
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
connect$inet6(r0, &(0x7f0000000080)={0x1c, 0x1c, 0x3, 0x0, @rand_addr="00000000000000001bb400"}, 0x1c)
setsockopt$inet6_sctp_SCTP_EVENTS(r0, 0x84, 0xc, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0xb)
r1 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r1, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r1, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r1, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x1a0}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214362114349b82946677ddfd142aa6bb617033770a391dbfca5781c270e368983e8716559658762d28e7aa65c9d1c963d21f", 0x62}], 0x2, 0x0, 0x0, 0x81}, 0x0)
sync()
sendmsg$unix(0xffffffffffffffff, &(0x7f0000000b00)={&(0x7f00000001c0)=@abs={0x8, 0x1, 0x0, 0x2}, 0x8, &(0x7f0000000180)=[{&(0x7f0000000280)="e396375ae9478c2e46b110b18b8695e1430c49ea50d9800c9b32cd01e2a0630f05261517a22e2903c2f575386d1b29b91eafbb79e8c212c11bcc8cbac6847651c5b8bf98c0485612c0ed7cfa3b7f90cdc9fc860d6a5534795213ab8f3b8ced462fe7da3b0090becd10a15e102150bd06996145b2bcf9dbe96a2e3d7c3175eec8e578ce0db5ad82105ddebb32aa44d05a13d1b6fb8f7651d46e36271649d52feda6cba69311190c938fbcf60f64bed37e763802c0f8dae598a26131c7d98ae23d9de29ee51c9b0cb13e2fe0757d646d7dacb15717761bd10e3b299cdee5cc88e3b7032ba0a03fa10b84c9185c1aca7b67605438f50331", 0xf6}, {&(0x7f0000000480)="0b7364c57962617e8f18fb71ec0b6d1aa84e23ef47c562827937cb8cfae3bcd02caa727e2dfc4efeb34c29e125ab98be260952e7a78a883406ba866e0010f9941ea85ef93902411bf76a68a258ecb3892de0ba36e014b198abd7c2f0b59654b4bbbf212e10ddad78534f694f0e1b35d5fe893fbe7271cfe8394a611beb643f9c4b0e9b9cf60b35e63987ef0eb399d6750a69acdd374a34d0d42f3975616af09f347220a2df1a8bad7fd615b17a46563fcfdd5cdf0313ed2256eeff35da3e16fd77f6cd1cc04866af370e7a9e07cc0bd51f33ae19077ba59ac446f417dbdbaa735298b41120eeaa7bff938767c7b53d", 0xef}], 0x2, &(0x7f0000000840)=ANY=[@ANYBLOB="6000000000000000ffff0000030000", @ANYRESHEX, @ANYRESDEC, @ANYRES32=0x0, @ANYRESOCT, @ANYRES8, @ANYRES32=r1, @ANYBLOB="982c43d998a9ca8c8601812ff9952fe7d71d6b342864f873c0", @ANYRES32=0x0, @ANYRES8, @ANYRES32=0x0, @ANYRES64, @ANYRES32=0x0, @ANYRESDEC, @ANYRES32, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="000000002000000000000000ffff000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="000000006000000000000000ffff000003000000", @ANYRES8=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYRES64, @ANYBLOB="9c5407756b9f15555d04a4c79e8188e533aa7fd79d3bad015e9a90c342d86ea1ab9fc0d624bda001e625659c4eda2575eaa64cbfa790840fe31d20cf13340e52585067b75dcc3feb34beca02a3fda6600d1cc7aa3487d72489e73035212ebe1113aadd4e57e339686a7e6cc798887b3f93f075b43ea0df2e4a4ede3a0e761b6981b7f3fa0247451cd1d0048ca309b1e63d4fab7a24ce5a6776a05cbae6ec1b40e99861123d72ab0fac1f1f9db1f1e440085bfc543cfa666ad08c262b9f87d216338fbbef01b549035aa8fd1ad2c48d714df1d4a8c5b8", @ANYRES32, @ANYRES32, @ANYRES32=0x0, @ANYRESHEX, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRESOCT, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRESOCT, @ANYBLOB="00100000"], 0xe0, 0x20000}, 0x10d)
socket(0x2, 0x1, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f0000000200)={0x10, 0x2, 0x1, @local={0xac, 0x14, 0x0}}, 0x10)
r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000480), 0x2, 0x0)
ioctl$DIOCOSFPADD(r1, 0xc088444f, &(0x7f00000004c0)="ba4f8feda02ff59bdcb2c242fff57018338c065fcac56d56f2cec1ab136477d92928427fee04898328936caad20a5a0a7630a2763cb2402ca2c372aa06ecd5e50bcf757f5f8f379505af32481df311362bd7650014b88efa08dae00d4ac661")
aio_suspend(&(0x7f0000000180), 0x2aaaaaaaaaaabde, &(0x7f0000000200))
semget$private(0x0, 0x0, 0x0)
openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$DIOCRDELADDRS(0xffffffffffffffff, 0xc4504444, 0x0)
sendto$inet6(0xffffffffffffffff, &(0x7f0000000080), 0x0, 0x0, &(0x7f00000000c0)={0x1c, 0x1c, 0x3, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c)
r2 = socket$inet6_sctp(0x1c, 0x5, 0x84)
r3 = socket$inet_sctp(0x2, 0x5, 0x84)
r4 = dup2(r3, r2)
sendmsg$inet_sctp(r4, &(0x7f0000000740)={&(0x7f0000000000)=@in={0x10, 0x2, 0x1}, 0x10, 0x0, 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="1c00000084000000040000000000000a000000000000859862bcdfe3281106512289080000", @ANYRES32], 0x1c}, 0x0)
executing program 3:
setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x31, 0x0, 0x28)
getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xb, 0x0, &(0x7f0000000280))
getsockopt$inet6_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, &(0x7f00000004c0)={0x0, 0x0, 0x21}, &(0x7f0000000300)=0x8)
clock_gettime(0x2, &(0x7f0000000000))
openat$filemon(0xffffffffffffff9c, 0x0, 0x0, 0x0)
accept4$inet6(0xffffffffffffffff, 0x0, &(0x7f00000039c0), 0x20000000)
dup2(0xffffffffffffffff, 0xffffffffffffffff)
semget$private(0x0, 0x0, 0x0)
openat$filemon(0xffffffffffffff9c, &(0x7f0000000540), 0x400, 0x0)
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
r1 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0)
r2 = openat$filemon(0xffffffffffffff9c, &(0x7f00000001c0), 0x400, 0x0)
ioctl$FILEMON_SET_FD(r2, 0xc0045301, &(0x7f0000000280)=r1)
open(&(0x7f0000000180)='./file0\x00', 0x40000, 0x11)
setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x21, &(0x7f00000000c0)={0x0, 0x2300}, 0x10)
syz_emit_ethernet(0x4a, &(0x7f0000000240)=ANY=[@ANYBLOB="aaaaaaaaaaaab5630100a5e686dd60e55301001429006e43a4125f52dddec59b559d8b14f0cfff02"])
executing program 1:
socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet(0xffffffffffffffff, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, &(0x7f0000000180)={0x1, [0x0]}, &(0x7f0000001700)=0xe)
r0 = socket(0x0, 0x0, 0x0)
setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x31, &(0x7f00000016c0)=ANY=[@ANYBLOB="0004000000000000040100040100c2"], 0x28)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24)
getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xb, &(0x7f0000000240)={0xd9, 0x2, 0x630, 0x80000001, 0x3, 0x5, 0x0, 0x4}, &(0x7f0000000280)=0x20)
getsockopt$inet6_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, &(0x7f00000004c0), &(0x7f0000000300)=0x18)
sendto(r0, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000180)={'freebsd\x00'}, 0x24)
sendto$inet6(r0, &(0x7f0000000040)="14", 0x1, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c)
r1 = kqueue()
kevent(r1, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5}], 0x1, 0x0, 0x0, 0x0)
r2 = socket(0x1c, 0x1, 0x0)
setsockopt$sock_int(r2, 0xffff, 0x1001, &(0x7f00000000c0)=0x101, 0x4)
bind$inet6(r2, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00'}, 0x24)
r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
ioctl$DIOCGETRULESET(r3, 0xc444443b, &(0x7f0000000100)="663f31f2481105c1343d46b8ad6be7bdbce2cc23cff94645e3cbac02e4320c579447fe330fb1d2892d60ef28bc8d4c5ba2bdb4a86510b2007d320769b90afa39de5e2abcd827eaf009a7fbb410848c5bc23e0ed05b8c6fd27c4fba84a6b0c667e6cd48f4612af590a4c15469f8cfc9571603374396bcc8161f69")
connect$inet6(r2, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
sendto$inet(r2, &(0x7f0000000200)="0e", 0xff66, 0x0, 0x0, 0x0)
executing program 0:
setsockopt$inet_MCAST_LEAVE_GROUP(0xffffffffffffffff, 0x0, 0x51, &(0x7f0000000500)={0x18b, {{0x10, 0x2, 0x1, @multicast2}}}, 0x84)
r0 = socket(0x1c, 0x1, 0x0)
setsockopt$sock_int(r0, 0xffff, 0x0, 0x0, 0x0)
socket$inet_sctp(0x2, 0x5, 0x84)
rfork(0x82040)
sync()
r1 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a)
fcntl$dupfd(r1, 0x0, r1)
r2 = socket(0x1c, 0x1, 0x0)
sendmsg$inet6_sctp(r2, &(0x7f00000000c0)={&(0x7f0000000680)=@in={0x10, 0x2, 0x1, @local={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x1)
getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {@in={{0x10, 0x2, 0x2, @loopback}}}}, &(0x7f0000000000)=0x100)
socket$inet6_sctp(0x1c, 0x0, 0x84)
setsockopt$inet_sctp_SCTP_INITMSG(0xffffffffffffffff, 0x84, 0x3, &(0x7f0000000040)={0x6, 0x0, 0x0, 0x7ff}, 0x8)
r3 = socket$inet_sctp(0x2, 0x5, 0x84)
dup2(0xffffffffffffffff, 0xffffffffffffffff)
kevent(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff5, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r3, &(0x7f00000000c0)={0x10, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
kqueue()
kevent(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0x0, 0x39, 0x8}], 0x1, 0x0, 0x0, 0x0)
r4 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f0000000000)={'rack\x00'}, 0x24)
setsockopt$inet6_tcp_TCP_FASTOPEN(r4, 0x6, 0x462, &(0x7f0000000040)={0x1, "000100000700fc06000001004c8300"}, 0x14)
executing program 3:
open$dir(&(0x7f0000000100)='./file1\x00', 0x2000000, 0x160)
futimesat(0xffffffffffffffff, &(0x7f0000000240)='./file1\x00', &(0x7f0000000280)={{0x2, 0x9}, {0x8}})
kmq_timedsend(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0)
setsid()
r0 = open$dir(&(0x7f0000000340)='./file1\x00', 0x10242, 0x0)
r1 = openat$filemon(0xffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$FILEMON_SET_FD(r1, 0xc0045301, &(0x7f00000001c0)=r0)
rfork(0x5000)

program crashed: lost connection to test machine
bisect: bisecting 24 programs
bisect: split chunks (needed=false): <24>
bisect: split chunk #0 of len 24 into 3 parts
bisect: testing without sub-chunk 1/3
testing program (duration=19s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [14, 24, 17, 19, 1, 28, 28, 11, 20, 22, 13, 14, 16, 21, 23, 8]
detailed listing:
executing program 1:
bind$inet(0xffffffffffffffff, 0x0, 0x0)
socket(0x0, 0x0, 0x0)
r0 = socket(0x2, 0x0, 0x0)
posix_fallocate(0xffffffffffffffff, 0x0, 0x4)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, 0x0, 0x0)
connect$inet(0xffffffffffffffff, 0x0, 0x0)
fork()
fork()
getsockopt$inet6_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x26, &(0x7f0000000640)={0x0, 0x4}, &(0x7f0000000680)=0x8)
freebsd10_pipe(0x0)
sendto(r0, 0x0, 0x0, 0x0, 0x0, 0x0)
shutdown(r0, 0x1)
r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000600), 0x400, 0x0)
ioctl$DIOCRDELTABLES(r1, 0xc450443e, &(0x7f0000000180)={{"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", "8b8c8f16eb13d6b547ebe2d2c03256c3816e05bf3cc567cf8a0d39496a99c576", 0x2}, 0x0, 0x0, 0x0, 0x0, 0xffff, 0xd5d6, 0x2, 0xffffffffffffe31d})
executing program 3:
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r0, 0x0, 0x0)
r1 = dup2(0xffffffffffffffff, 0xffffffffffffffff)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x105, 0x0, &(0x7f0000001700))
r2 = socket(0x0, 0x0, 0x0)
setsockopt$inet6_IPV6_HOPOPTS(r2, 0x29, 0x31, &(0x7f00000016c0)=ANY=[@ANYBLOB="000400000000000004"], 0x28)
sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x800000, @empty, 0x10}, 0x1c)
sendto$inet6(0xffffffffffffffff, &(0x7f0000000600)="14a3fb1a6025b8cdd859c1c2900984923796fa62612e29c5a050c38d8c9f8cb62763920df1f67ddcd95e8d3e9984b6ce65093291e16bd3c0690a6f3c041c1d1b149dcdbfc289cafbafae52adad225aa5d98169f951ae4af8a475a23b341bdbfd6dc85dd7b948384873e36b", 0x6b, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c)
r3 = kqueue()
kevent(r3, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0)
socket(0x1c, 0x1, 0x0)
syz_emit_ethernet(0x42, 0x0)
socket$inet_sctp(0x2, 0x5, 0x84)
r4 = socket$inet_sctp(0x2, 0x0, 0x84)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x28, &(0x7f0000000280)={0x1, [0x0]}, &(0x7f00000002c0)=0x8)
r5 = socket$inet6_sctp(0x1c, 0x1, 0x84)
dup2(r5, 0xffffffffffffffff)
r6 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r6, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r6, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r6, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x125}], 0x1, 0x0, 0x0, 0x81}, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
rfork(0x85000)
executing program 1:
socket$inet6_sctp(0x1c, 0x5, 0x84)
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, &(0x7f0000001700))
r1 = socket(0x0, 0x0, 0x0)
sendto$inet6(r1, &(0x7f0000000600), 0x0, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c)
r2 = kqueue()
kevent(r2, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0)
r3 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r3, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r3, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r3, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r3, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x135}], 0x1, 0x0, 0x0, 0x81}, 0x0)
fstatat(r3, &(0x7f0000000180)='./file0\x00', &(0x7f0000000780), 0x200)
socket(0x1c, 0x2, 0x0)
connect$inet(0xffffffffffffffff, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10)
rfork(0x85000)
executing program 0:
sync()
r0 = socket$inet6_sctp(0x1c, 0x0, 0x84)
socket(0x1, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x0, 0x84)
ioctl$CIOCCRYPT(0xffffffffffffffff, 0xc0306367, &(0x7f0000000180)={0xe76, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, 0x0, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x5, 0x84)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, 0x0)
ioctl$CIOCGSESSION2(0xffffffffffffffff, 0xc040636a, 0x0)
r1 = openat$crypto(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$CIOCGSESSION2(r1, 0xc040636a, &(0x7f00000000c0)={0x1f, 0x0, 0x20, &(0x7f0000000100)="0b6fac4103e7a00d4689e808d0d4753cc859dd1bff275aedaacdd4743c7eaa2c", 0x0, 0x0, 0x0, 0x7d86699a, [0x0, 0x0, 0x0, 0xda]})
ioctl$CIOCCRYPT(r1, 0xc0306367, &(0x7f0000000640)={0x0, 0x2, 0x0, 0xa7dd, &(0x7f0000000200)="83acdda754cf31bf7eeddaba87642c7107e742498006e02a7406b8ebbc662f1464c5b940c793ffc94f2bfaa323aa5e360361dc6430e2caedfeb67b55a62512daf1e7cb070d67a56085ef77d95232896846c9c73f890c864e89bc1df46e755b8a0555bbf01a632c9c6b74c311f01724ee552c368785cf4f7acda16da2", 0x0, 0x0, &(0x7f0000000400)})
semget$private(0x0, 0x0, 0x0)
setsockopt$inet6_sctp_SCTP_MAX_BURST(r0, 0x84, 0x19, &(0x7f0000000000), 0x8)
ioctl$DIOCGETQSTATSV0(0xffffffffffffffff, 0xc0184432, &(0x7f0000000100)="a4e6e67600d9e020eead6e2e03c0cc548b3e499273c50d225a407deff51e6c7d6773272cd4ae1a973a4f627f753ec38a14e43493aad3b20e9f522e9e7011de7555b87d1e69f2a0a154b2d11a587d7e37c7fcf7b3b84fd234dfb02d9b914835b670acfbc38d0ddc8025591be3f0f7d68435df082133ec0761c873f1851faea41f91548e531542998580e319c7ba8b44e6671d83cfe2930f832683d80ec864055134d6fe20a133d6e3eb0a0112f58cd6cce2ffc5bd40becb8195546aaac9fb4f9dc8630954e2f403")
r2 = socket$inet_sctp(0x2, 0x1, 0x84)
connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @mcast1, 0x3}, 0x1c)
getsockname$inet6(0xffffffffffffffff, 0x0, &(0x7f0000000700))
shutdown(r2, 0x1)
executing program 3:
syz_emit_ethernet(0x4e, &(0x7f00000003c0)={@broadcast, @remote, [], {@ipv6={0x86dd, {0x0, 0x6, '\x00o3', 0x18, 0x3a, 0x0, @rand_addr="8a211dd1450021b07f5a1957de7400", @local={0xfe, 0x80, '\x00', 0x0}, {[], @icmpv6=@mld={0x82, 0x0, 0x0, 0x0, 0x0, @empty}}}}}})
executing program 3:
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000540), 0x1, 0x0)
ioctl$DIOCADDADDR(0xffffffffffffffff, 0xc4704434, &(0x7f0000000480)="02")
ioctl$DIOCBEGINADDRS(r1, 0xc4704433, &(0x7f0000000040))
ioctl$DIOCADDADDR(r1, 0xc4704434, &(0x7f0000000040))
socket$inet6_sctp(0x1c, 0x0, 0x84)
r2 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a)
setsockopt$inet6_group_source_req(r2, 0x29, 0x0, 0x0, 0x0)
setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x50, &(0x7f0000000500)={0x2, {{0x1c, 0x1c, 0x0, 0x0, @mcast2}}}, 0x88)
setsockopt$inet6_group_source_req(r2, 0x29, 0x53, &(0x7f00000000c0)={0x3, {{0x1c, 0x1c, 0x2, 0x0, @mcast2}}, {{0x1c, 0x1c, 0x3, 0x0, @rand_addr="fb008700005276754968d25ea90400"}}}, 0x108)
getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0xa, 0x0, 0x0)
getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000380)={@in6={{0x1c, 0x1c, 0x0, 0x0, @loopback, 0x401}}, 0x0, 0x6, 0x0, 0x200, 0xffff8001, 0xffff}, 0x0)
writev(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}], 0x1)
setpriority(0x0, 0x0, 0x6)
r3 = socket$inet6_sctp(0x1c, 0x5, 0x84)
r4 = socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet6(r4, &(0x7f0000000000)={0x1c, 0x1c, 0x0, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}, 0x200000}, 0x1c)
setsockopt$inet6_sctp_SCTP_AUTOCLOSE(r3, 0x84, 0x5, &(0x7f0000000440)=0x2, 0x4)
getsockopt$inet_sctp_SCTP_REMOTE_UDP_ENCAPS_PORT(0xffffffffffffffff, 0x84, 0x24, 0x0, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
connect$inet(r0, &(0x7f0000000000)={0x10, 0x2, 0x2, @multicast2}, 0x10)
socket$inet6_sctp(0x1c, 0x5, 0x84)
socket(0x2, 0x0, 0x0)
r5 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_sctp_SCTP_MAXSEG(r5, 0x84, 0xe, &(0x7f0000002580), 0x8)
bind(r5, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x3, 0x0, @loopback}, 0x1c)
socket$inet6_sctp(0x1c, 0x0, 0x84)
setsockopt$inet6_sctp_SCTP_EVENTS(0xffffffffffffffff, 0x84, 0xc, 0x0, 0x0)
executing program 1:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
sendto(r1, &(0x7f0000000900)="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"/1050, 0x41a, 0x104, &(0x7f0000000480)=@in={0x10, 0x2, 0x1, @loopback}, 0x10)
r4 = fork()
sigqueue(r4, 0x0, @sigval_int)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})
setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0x40, 0x0, 0x0)
executing program 0:
r0 = openat$filemon(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0)
r1 = __specialfd$eventfd(0x1, &(0x7f0000000540), 0x8)
fhopen(0x0, 0x0)
ioctl$FILEMON_SET_FD(r0, 0xc0045301, &(0x7f0000000000)=r1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x0, 0x84)
profil(0x0, 0x0, 0x0, 0x0)
getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, 0x0, 0x0)
freebsd11_kevent(0xffffffffffffffff, &(0x7f0000000300)=[{0x5, 0xfffffffffffffffa, 0x13, 0x1000000, 0x5, 0xfffffffffffffffc}, {0xffffffffffff10d0, 0xfffffffffffffffb, 0x1, 0x10, 0x25, 0x800}, {0xaf, 0xfffffffffffffffd, 0x4, 0x4, 0x4a, 0x286}, {0x7, 0xfffffffffffffff0, 0xd2, 0x1, 0x7, 0x7}, {0x2, 0xfffffffffffffffb, 0x0, 0x1, 0x10000, 0x1}, {0x4, 0xfffffffffffffffe, 0x8000, 0x1, 0x6, 0xda}, {0x0, 0xfffffffffffffff9, 0x8000, 0x80000000, 0x2, 0x7}, {0x89e, 0xfffffffffffffff3, 0x8020, 0x20, 0x3cb3, 0x1000}], 0x8, &(0x7f0000000440)=[{}, {}, {}, {}, {}, {}, {}], 0x7, &(0x7f0000000080)={0xb5, 0x1})
rfork(0x3040)
executing program 0:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f0000000280)={0x10, 0x2, 0x3}, 0x10)
open(0x0, 0x0, 0x0)
lio_listio(0x0, 0x0, 0x0, &(0x7f00000047c0)={0x1, 0x7})
ktrace(&(0x7f0000000080)='./file0\x00', 0x4, 0x4b54, 0x0)
cpuset_getaffinity(0x2, 0x0, 0x0, 0x8, &(0x7f0000000000))
lio_listio(0x0, 0x0, 0x0, &(0x7f00000047c0))
r1 = socket$inet_sctp(0x2, 0x0, 0x84)
setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0xa, 0x0, 0x0)
connect$inet(r1, &(0x7f0000000000)={0x10, 0x2, 0x0, @rand_addr=0x6}, 0x10)
setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x21, 0x0, 0x0)
lpathconf(0x0, 0x0)
socket$inet6_sctp(0x1c, 0x5, 0x84)
socket$inet(0x2, 0x0, 0x0)
fork()
socket$inet6_sctp(0x1c, 0x0, 0x84)
ioctl$DIOCOSFPADD(0xffffffffffffffff, 0xc088444f, 0x0)
r2 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000000)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r2, 0x6, 0x42b, &(0x7f0000000100)=0x1, 0x4)
executing program 3:
socket(0x0, 0x0, 0x0)
r0 = socket(0x0, 0x0, 0x0)
sendmsg$inet6_sctp(r0, &(0x7f0000000340)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, 0x0}, 0x8)
fstatat(0xffffffffffffffff, &(0x7f0000000300)='./file1\x00', &(0x7f0000000580), 0x4400)
r1 = socket(0x1c, 0x2, 0x0)
close(r1)
getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
socket(0x0, 0x0, 0x0)
r2 = socket(0x1c, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r2, 0x6, 0x48, &(0x7f00000003c0)=0x3, 0x4)
connect$inet(r2, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10)
setsockopt$inet6_sctp_SCTP_AUTH_KEY(0xffffffffffffffff, 0x84, 0x13, 0x0, 0x9)
sendmsg$inet6_sctp(0xffffffffffffffff, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x21, 0x0, 0x0)
r3 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_sctp_SCTP_MAXSEG(r3, 0x84, 0xe, &(0x7f0000002580)={0x0, 0x3}, 0x8)
bind(r3, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x3, 0x0, @loopback}, 0x1c)
connect$inet6(r3, &(0x7f0000000080)={0x1c, 0x1c, 0x3, 0x0, @loopback}, 0x1c)
r4 = dup(r3)
sendto$inet6(r4, &(0x7f00000025c0)="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", 0xe85, 0x60108, &(0x7f0000001240)={0x1c, 0x1c, 0x2, 0x7e46, @mcast2}, 0x1c)
executing program 2:
socket(0x2, 0x1, 0x0)
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
connect$inet6(r0, &(0x7f0000000080)={0x1c, 0x1c, 0x3, 0x0, @rand_addr="00000000000000001bb400"}, 0x1c)
setsockopt$inet6_sctp_SCTP_EVENTS(r0, 0x84, 0xc, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0xb)
r1 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r1, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r1, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r1, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x1a0}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214362114349b82946677ddfd142aa6bb617033770a391dbfca5781c270e368983e8716559658762d28e7aa65c9d1c963d21f", 0x62}], 0x2, 0x0, 0x0, 0x81}, 0x0)
sync()
sendmsg$unix(0xffffffffffffffff, &(0x7f0000000b00)={&(0x7f00000001c0)=@abs={0x8, 0x1, 0x0, 0x2}, 0x8, &(0x7f0000000180)=[{&(0x7f0000000280)="e396375ae9478c2e46b110b18b8695e1430c49ea50d9800c9b32cd01e2a0630f05261517a22e2903c2f575386d1b29b91eafbb79e8c212c11bcc8cbac6847651c5b8bf98c0485612c0ed7cfa3b7f90cdc9fc860d6a5534795213ab8f3b8ced462fe7da3b0090becd10a15e102150bd06996145b2bcf9dbe96a2e3d7c3175eec8e578ce0db5ad82105ddebb32aa44d05a13d1b6fb8f7651d46e36271649d52feda6cba69311190c938fbcf60f64bed37e763802c0f8dae598a26131c7d98ae23d9de29ee51c9b0cb13e2fe0757d646d7dacb15717761bd10e3b299cdee5cc88e3b7032ba0a03fa10b84c9185c1aca7b67605438f50331", 0xf6}, {&(0x7f0000000480)="0b7364c57962617e8f18fb71ec0b6d1aa84e23ef47c562827937cb8cfae3bcd02caa727e2dfc4efeb34c29e125ab98be260952e7a78a883406ba866e0010f9941ea85ef93902411bf76a68a258ecb3892de0ba36e014b198abd7c2f0b59654b4bbbf212e10ddad78534f694f0e1b35d5fe893fbe7271cfe8394a611beb643f9c4b0e9b9cf60b35e63987ef0eb399d6750a69acdd374a34d0d42f3975616af09f347220a2df1a8bad7fd615b17a46563fcfdd5cdf0313ed2256eeff35da3e16fd77f6cd1cc04866af370e7a9e07cc0bd51f33ae19077ba59ac446f417dbdbaa735298b41120eeaa7bff938767c7b53d", 0xef}], 0x2, &(0x7f0000000840)=ANY=[@ANYBLOB="6000000000000000ffff0000030000", @ANYRESHEX, @ANYRESDEC, @ANYRES32=0x0, @ANYRESOCT, @ANYRES8, @ANYRES32=r1, @ANYBLOB="982c43d998a9ca8c8601812ff9952fe7d71d6b342864f873c0", @ANYRES32=0x0, @ANYRES8, @ANYRES32=0x0, @ANYRES64, @ANYRES32=0x0, @ANYRESDEC, @ANYRES32, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="000000002000000000000000ffff000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="000000006000000000000000ffff000003000000", @ANYRES8=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYRES64, @ANYBLOB="9c5407756b9f15555d04a4c79e8188e533aa7fd79d3bad015e9a90c342d86ea1ab9fc0d624bda001e625659c4eda2575eaa64cbfa790840fe31d20cf13340e52585067b75dcc3feb34beca02a3fda6600d1cc7aa3487d72489e73035212ebe1113aadd4e57e339686a7e6cc798887b3f93f075b43ea0df2e4a4ede3a0e761b6981b7f3fa0247451cd1d0048ca309b1e63d4fab7a24ce5a6776a05cbae6ec1b40e99861123d72ab0fac1f1f9db1f1e440085bfc543cfa666ad08c262b9f87d216338fbbef01b549035aa8fd1ad2c48d714df1d4a8c5b8", @ANYRES32, @ANYRES32, @ANYRES32=0x0, @ANYRESHEX, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRESOCT, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRESOCT, @ANYBLOB="00100000"], 0xe0, 0x20000}, 0x10d)
socket(0x2, 0x1, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f0000000200)={0x10, 0x2, 0x1, @local={0xac, 0x14, 0x0}}, 0x10)
r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000480), 0x2, 0x0)
ioctl$DIOCOSFPADD(r1, 0xc088444f, &(0x7f00000004c0)="ba4f8feda02ff59bdcb2c242fff57018338c065fcac56d56f2cec1ab136477d92928427fee04898328936caad20a5a0a7630a2763cb2402ca2c372aa06ecd5e50bcf757f5f8f379505af32481df311362bd7650014b88efa08dae00d4ac661")
aio_suspend(&(0x7f0000000180), 0x2aaaaaaaaaaabde, &(0x7f0000000200))
semget$private(0x0, 0x0, 0x0)
openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$DIOCRDELADDRS(0xffffffffffffffff, 0xc4504444, 0x0)
sendto$inet6(0xffffffffffffffff, &(0x7f0000000080), 0x0, 0x0, &(0x7f00000000c0)={0x1c, 0x1c, 0x3, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c)
r2 = socket$inet6_sctp(0x1c, 0x5, 0x84)
r3 = socket$inet_sctp(0x2, 0x5, 0x84)
r4 = dup2(r3, r2)
sendmsg$inet_sctp(r4, &(0x7f0000000740)={&(0x7f0000000000)=@in={0x10, 0x2, 0x1}, 0x10, 0x0, 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="1c00000084000000040000000000000a000000000000859862bcdfe3281106512289080000", @ANYRES32], 0x1c}, 0x0)
executing program 3:
setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x31, 0x0, 0x28)
getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xb, 0x0, &(0x7f0000000280))
getsockopt$inet6_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, &(0x7f00000004c0)={0x0, 0x0, 0x21}, &(0x7f0000000300)=0x8)
clock_gettime(0x2, &(0x7f0000000000))
openat$filemon(0xffffffffffffff9c, 0x0, 0x0, 0x0)
accept4$inet6(0xffffffffffffffff, 0x0, &(0x7f00000039c0), 0x20000000)
dup2(0xffffffffffffffff, 0xffffffffffffffff)
semget$private(0x0, 0x0, 0x0)
openat$filemon(0xffffffffffffff9c, &(0x7f0000000540), 0x400, 0x0)
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
r1 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0)
r2 = openat$filemon(0xffffffffffffff9c, &(0x7f00000001c0), 0x400, 0x0)
ioctl$FILEMON_SET_FD(r2, 0xc0045301, &(0x7f0000000280)=r1)
open(&(0x7f0000000180)='./file0\x00', 0x40000, 0x11)
setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x21, &(0x7f00000000c0)={0x0, 0x2300}, 0x10)
syz_emit_ethernet(0x4a, &(0x7f0000000240)=ANY=[@ANYBLOB="aaaaaaaaaaaab5630100a5e686dd60e55301001429006e43a4125f52dddec59b559d8b14f0cfff02"])
executing program 1:
socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet(0xffffffffffffffff, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, &(0x7f0000000180)={0x1, [0x0]}, &(0x7f0000001700)=0xe)
r0 = socket(0x0, 0x0, 0x0)
setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x31, &(0x7f00000016c0)=ANY=[@ANYBLOB="0004000000000000040100040100c2"], 0x28)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24)
getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xb, &(0x7f0000000240)={0xd9, 0x2, 0x630, 0x80000001, 0x3, 0x5, 0x0, 0x4}, &(0x7f0000000280)=0x20)
getsockopt$inet6_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, &(0x7f00000004c0), &(0x7f0000000300)=0x18)
sendto(r0, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000180)={'freebsd\x00'}, 0x24)
sendto$inet6(r0, &(0x7f0000000040)="14", 0x1, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c)
r1 = kqueue()
kevent(r1, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5}], 0x1, 0x0, 0x0, 0x0)
r2 = socket(0x1c, 0x1, 0x0)
setsockopt$sock_int(r2, 0xffff, 0x1001, &(0x7f00000000c0)=0x101, 0x4)
bind$inet6(r2, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00'}, 0x24)
r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
ioctl$DIOCGETRULESET(r3, 0xc444443b, &(0x7f0000000100)="663f31f2481105c1343d46b8ad6be7bdbce2cc23cff94645e3cbac02e4320c579447fe330fb1d2892d60ef28bc8d4c5ba2bdb4a86510b2007d320769b90afa39de5e2abcd827eaf009a7fbb410848c5bc23e0ed05b8c6fd27c4fba84a6b0c667e6cd48f4612af590a4c15469f8cfc9571603374396bcc8161f69")
connect$inet6(r2, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
sendto$inet(r2, &(0x7f0000000200)="0e", 0xff66, 0x0, 0x0, 0x0)
executing program 0:
setsockopt$inet_MCAST_LEAVE_GROUP(0xffffffffffffffff, 0x0, 0x51, &(0x7f0000000500)={0x18b, {{0x10, 0x2, 0x1, @multicast2}}}, 0x84)
r0 = socket(0x1c, 0x1, 0x0)
setsockopt$sock_int(r0, 0xffff, 0x0, 0x0, 0x0)
socket$inet_sctp(0x2, 0x5, 0x84)
rfork(0x82040)
sync()
r1 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a)
fcntl$dupfd(r1, 0x0, r1)
r2 = socket(0x1c, 0x1, 0x0)
sendmsg$inet6_sctp(r2, &(0x7f00000000c0)={&(0x7f0000000680)=@in={0x10, 0x2, 0x1, @local={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x1)
getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {@in={{0x10, 0x2, 0x2, @loopback}}}}, &(0x7f0000000000)=0x100)
socket$inet6_sctp(0x1c, 0x0, 0x84)
setsockopt$inet_sctp_SCTP_INITMSG(0xffffffffffffffff, 0x84, 0x3, &(0x7f0000000040)={0x6, 0x0, 0x0, 0x7ff}, 0x8)
r3 = socket$inet_sctp(0x2, 0x5, 0x84)
dup2(0xffffffffffffffff, 0xffffffffffffffff)
kevent(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff5, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r3, &(0x7f00000000c0)={0x10, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
kqueue()
kevent(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0x0, 0x39, 0x8}], 0x1, 0x0, 0x0, 0x0)
r4 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f0000000000)={'rack\x00'}, 0x24)
setsockopt$inet6_tcp_TCP_FASTOPEN(r4, 0x6, 0x462, &(0x7f0000000040)={0x1, "000100000700fc06000001004c8300"}, 0x14)
executing program 3:
open$dir(&(0x7f0000000100)='./file1\x00', 0x2000000, 0x160)
futimesat(0xffffffffffffffff, &(0x7f0000000240)='./file1\x00', &(0x7f0000000280)={{0x2, 0x9}, {0x8}})
kmq_timedsend(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0)
setsid()
r0 = open$dir(&(0x7f0000000340)='./file1\x00', 0x10242, 0x0)
r1 = openat$filemon(0xffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$FILEMON_SET_FD(r1, 0xc0045301, &(0x7f00000001c0)=r0)
rfork(0x5000)

program crashed: lost connection to test machine
bisect: the chunk can be dropped
bisect: testing without sub-chunk 2/3
testing program (duration=17s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [20, 22, 13, 14, 16, 21, 23, 8]
detailed listing:
executing program 0:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f0000000280)={0x10, 0x2, 0x3}, 0x10)
open(0x0, 0x0, 0x0)
lio_listio(0x0, 0x0, 0x0, &(0x7f00000047c0)={0x1, 0x7})
ktrace(&(0x7f0000000080)='./file0\x00', 0x4, 0x4b54, 0x0)
cpuset_getaffinity(0x2, 0x0, 0x0, 0x8, &(0x7f0000000000))
lio_listio(0x0, 0x0, 0x0, &(0x7f00000047c0))
r1 = socket$inet_sctp(0x2, 0x0, 0x84)
setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0xa, 0x0, 0x0)
connect$inet(r1, &(0x7f0000000000)={0x10, 0x2, 0x0, @rand_addr=0x6}, 0x10)
setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x21, 0x0, 0x0)
lpathconf(0x0, 0x0)
socket$inet6_sctp(0x1c, 0x5, 0x84)
socket$inet(0x2, 0x0, 0x0)
fork()
socket$inet6_sctp(0x1c, 0x0, 0x84)
ioctl$DIOCOSFPADD(0xffffffffffffffff, 0xc088444f, 0x0)
r2 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000000)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r2, 0x6, 0x42b, &(0x7f0000000100)=0x1, 0x4)
executing program 3:
socket(0x0, 0x0, 0x0)
r0 = socket(0x0, 0x0, 0x0)
sendmsg$inet6_sctp(r0, &(0x7f0000000340)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, 0x0}, 0x8)
fstatat(0xffffffffffffffff, &(0x7f0000000300)='./file1\x00', &(0x7f0000000580), 0x4400)
r1 = socket(0x1c, 0x2, 0x0)
close(r1)
getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
socket(0x0, 0x0, 0x0)
r2 = socket(0x1c, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r2, 0x6, 0x48, &(0x7f00000003c0)=0x3, 0x4)
connect$inet(r2, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10)
setsockopt$inet6_sctp_SCTP_AUTH_KEY(0xffffffffffffffff, 0x84, 0x13, 0x0, 0x9)
sendmsg$inet6_sctp(0xffffffffffffffff, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x21, 0x0, 0x0)
r3 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_sctp_SCTP_MAXSEG(r3, 0x84, 0xe, &(0x7f0000002580)={0x0, 0x3}, 0x8)
bind(r3, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x3, 0x0, @loopback}, 0x1c)
connect$inet6(r3, &(0x7f0000000080)={0x1c, 0x1c, 0x3, 0x0, @loopback}, 0x1c)
r4 = dup(r3)
sendto$inet6(r4, &(0x7f00000025c0)="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", 0xe85, 0x60108, &(0x7f0000001240)={0x1c, 0x1c, 0x2, 0x7e46, @mcast2}, 0x1c)
executing program 2:
socket(0x2, 0x1, 0x0)
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
connect$inet6(r0, &(0x7f0000000080)={0x1c, 0x1c, 0x3, 0x0, @rand_addr="00000000000000001bb400"}, 0x1c)
setsockopt$inet6_sctp_SCTP_EVENTS(r0, 0x84, 0xc, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0xb)
r1 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r1, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r1, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r1, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x1a0}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214362114349b82946677ddfd142aa6bb617033770a391dbfca5781c270e368983e8716559658762d28e7aa65c9d1c963d21f", 0x62}], 0x2, 0x0, 0x0, 0x81}, 0x0)
sync()
sendmsg$unix(0xffffffffffffffff, &(0x7f0000000b00)={&(0x7f00000001c0)=@abs={0x8, 0x1, 0x0, 0x2}, 0x8, &(0x7f0000000180)=[{&(0x7f0000000280)="e396375ae9478c2e46b110b18b8695e1430c49ea50d9800c9b32cd01e2a0630f05261517a22e2903c2f575386d1b29b91eafbb79e8c212c11bcc8cbac6847651c5b8bf98c0485612c0ed7cfa3b7f90cdc9fc860d6a5534795213ab8f3b8ced462fe7da3b0090becd10a15e102150bd06996145b2bcf9dbe96a2e3d7c3175eec8e578ce0db5ad82105ddebb32aa44d05a13d1b6fb8f7651d46e36271649d52feda6cba69311190c938fbcf60f64bed37e763802c0f8dae598a26131c7d98ae23d9de29ee51c9b0cb13e2fe0757d646d7dacb15717761bd10e3b299cdee5cc88e3b7032ba0a03fa10b84c9185c1aca7b67605438f50331", 0xf6}, {&(0x7f0000000480)="0b7364c57962617e8f18fb71ec0b6d1aa84e23ef47c562827937cb8cfae3bcd02caa727e2dfc4efeb34c29e125ab98be260952e7a78a883406ba866e0010f9941ea85ef93902411bf76a68a258ecb3892de0ba36e014b198abd7c2f0b59654b4bbbf212e10ddad78534f694f0e1b35d5fe893fbe7271cfe8394a611beb643f9c4b0e9b9cf60b35e63987ef0eb399d6750a69acdd374a34d0d42f3975616af09f347220a2df1a8bad7fd615b17a46563fcfdd5cdf0313ed2256eeff35da3e16fd77f6cd1cc04866af370e7a9e07cc0bd51f33ae19077ba59ac446f417dbdbaa735298b41120eeaa7bff938767c7b53d", 0xef}], 0x2, &(0x7f0000000840)=ANY=[@ANYBLOB="6000000000000000ffff0000030000", @ANYRESHEX, @ANYRESDEC, @ANYRES32=0x0, @ANYRESOCT, @ANYRES8, @ANYRES32=r1, @ANYBLOB="982c43d998a9ca8c8601812ff9952fe7d71d6b342864f873c0", @ANYRES32=0x0, @ANYRES8, @ANYRES32=0x0, @ANYRES64, @ANYRES32=0x0, @ANYRESDEC, @ANYRES32, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="000000002000000000000000ffff000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="000000006000000000000000ffff000003000000", @ANYRES8=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYRES64, @ANYBLOB="9c5407756b9f15555d04a4c79e8188e533aa7fd79d3bad015e9a90c342d86ea1ab9fc0d624bda001e625659c4eda2575eaa64cbfa790840fe31d20cf13340e52585067b75dcc3feb34beca02a3fda6600d1cc7aa3487d72489e73035212ebe1113aadd4e57e339686a7e6cc798887b3f93f075b43ea0df2e4a4ede3a0e761b6981b7f3fa0247451cd1d0048ca309b1e63d4fab7a24ce5a6776a05cbae6ec1b40e99861123d72ab0fac1f1f9db1f1e440085bfc543cfa666ad08c262b9f87d216338fbbef01b549035aa8fd1ad2c48d714df1d4a8c5b8", @ANYRES32, @ANYRES32, @ANYRES32=0x0, @ANYRESHEX, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRESOCT, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRESOCT, @ANYBLOB="00100000"], 0xe0, 0x20000}, 0x10d)
socket(0x2, 0x1, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f0000000200)={0x10, 0x2, 0x1, @local={0xac, 0x14, 0x0}}, 0x10)
r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000480), 0x2, 0x0)
ioctl$DIOCOSFPADD(r1, 0xc088444f, &(0x7f00000004c0)="ba4f8feda02ff59bdcb2c242fff57018338c065fcac56d56f2cec1ab136477d92928427fee04898328936caad20a5a0a7630a2763cb2402ca2c372aa06ecd5e50bcf757f5f8f379505af32481df311362bd7650014b88efa08dae00d4ac661")
aio_suspend(&(0x7f0000000180), 0x2aaaaaaaaaaabde, &(0x7f0000000200))
semget$private(0x0, 0x0, 0x0)
openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$DIOCRDELADDRS(0xffffffffffffffff, 0xc4504444, 0x0)
sendto$inet6(0xffffffffffffffff, &(0x7f0000000080), 0x0, 0x0, &(0x7f00000000c0)={0x1c, 0x1c, 0x3, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c)
r2 = socket$inet6_sctp(0x1c, 0x5, 0x84)
r3 = socket$inet_sctp(0x2, 0x5, 0x84)
r4 = dup2(r3, r2)
sendmsg$inet_sctp(r4, &(0x7f0000000740)={&(0x7f0000000000)=@in={0x10, 0x2, 0x1}, 0x10, 0x0, 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="1c00000084000000040000000000000a000000000000859862bcdfe3281106512289080000", @ANYRES32], 0x1c}, 0x0)
executing program 3:
setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x31, 0x0, 0x28)
getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xb, 0x0, &(0x7f0000000280))
getsockopt$inet6_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, &(0x7f00000004c0)={0x0, 0x0, 0x21}, &(0x7f0000000300)=0x8)
clock_gettime(0x2, &(0x7f0000000000))
openat$filemon(0xffffffffffffff9c, 0x0, 0x0, 0x0)
accept4$inet6(0xffffffffffffffff, 0x0, &(0x7f00000039c0), 0x20000000)
dup2(0xffffffffffffffff, 0xffffffffffffffff)
semget$private(0x0, 0x0, 0x0)
openat$filemon(0xffffffffffffff9c, &(0x7f0000000540), 0x400, 0x0)
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
r1 = open(&(0x7f0000000480)='./file0\x00', 0x80000000000206, 0x0)
r2 = openat$filemon(0xffffffffffffff9c, &(0x7f00000001c0), 0x400, 0x0)
ioctl$FILEMON_SET_FD(r2, 0xc0045301, &(0x7f0000000280)=r1)
open(&(0x7f0000000180)='./file0\x00', 0x40000, 0x11)
setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x21, &(0x7f00000000c0)={0x0, 0x2300}, 0x10)
syz_emit_ethernet(0x4a, &(0x7f0000000240)=ANY=[@ANYBLOB="aaaaaaaaaaaab5630100a5e686dd60e55301001429006e43a4125f52dddec59b559d8b14f0cfff02"])
executing program 1:
socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet(0xffffffffffffffff, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, &(0x7f0000000180)={0x1, [0x0]}, &(0x7f0000001700)=0xe)
r0 = socket(0x0, 0x0, 0x0)
setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x31, &(0x7f00000016c0)=ANY=[@ANYBLOB="0004000000000000040100040100c2"], 0x28)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24)
getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xb, &(0x7f0000000240)={0xd9, 0x2, 0x630, 0x80000001, 0x3, 0x5, 0x0, 0x4}, &(0x7f0000000280)=0x20)
getsockopt$inet6_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x901, &(0x7f00000004c0), &(0x7f0000000300)=0x18)
sendto(r0, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000180)={'freebsd\x00'}, 0x24)
sendto$inet6(r0, &(0x7f0000000040)="14", 0x1, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c)
r1 = kqueue()
kevent(r1, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5}], 0x1, 0x0, 0x0, 0x0)
r2 = socket(0x1c, 0x1, 0x0)
setsockopt$sock_int(r2, 0xffff, 0x1001, &(0x7f00000000c0)=0x101, 0x4)
bind$inet6(r2, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00'}, 0x24)
r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
ioctl$DIOCGETRULESET(r3, 0xc444443b, &(0x7f0000000100)="663f31f2481105c1343d46b8ad6be7bdbce2cc23cff94645e3cbac02e4320c579447fe330fb1d2892d60ef28bc8d4c5ba2bdb4a86510b2007d320769b90afa39de5e2abcd827eaf009a7fbb410848c5bc23e0ed05b8c6fd27c4fba84a6b0c667e6cd48f4612af590a4c15469f8cfc9571603374396bcc8161f69")
connect$inet6(r2, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
sendto$inet(r2, &(0x7f0000000200)="0e", 0xff66, 0x0, 0x0, 0x0)
executing program 0:
setsockopt$inet_MCAST_LEAVE_GROUP(0xffffffffffffffff, 0x0, 0x51, &(0x7f0000000500)={0x18b, {{0x10, 0x2, 0x1, @multicast2}}}, 0x84)
r0 = socket(0x1c, 0x1, 0x0)
setsockopt$sock_int(r0, 0xffff, 0x0, 0x0, 0x0)
socket$inet_sctp(0x2, 0x5, 0x84)
rfork(0x82040)
sync()
r1 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a)
fcntl$dupfd(r1, 0x0, r1)
r2 = socket(0x1c, 0x1, 0x0)
sendmsg$inet6_sctp(r2, &(0x7f00000000c0)={&(0x7f0000000680)=@in={0x10, 0x2, 0x1, @local={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x1)
getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {@in={{0x10, 0x2, 0x2, @loopback}}}}, &(0x7f0000000000)=0x100)
socket$inet6_sctp(0x1c, 0x0, 0x84)
setsockopt$inet_sctp_SCTP_INITMSG(0xffffffffffffffff, 0x84, 0x3, &(0x7f0000000040)={0x6, 0x0, 0x0, 0x7ff}, 0x8)
r3 = socket$inet_sctp(0x2, 0x5, 0x84)
dup2(0xffffffffffffffff, 0xffffffffffffffff)
kevent(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff5, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r3, &(0x7f00000000c0)={0x10, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
kqueue()
kevent(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0x0, 0x39, 0x8}], 0x1, 0x0, 0x0, 0x0)
r4 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f0000000000)={'rack\x00'}, 0x24)
setsockopt$inet6_tcp_TCP_FASTOPEN(r4, 0x6, 0x462, &(0x7f0000000040)={0x1, "000100000700fc06000001004c8300"}, 0x14)
executing program 3:
open$dir(&(0x7f0000000100)='./file1\x00', 0x2000000, 0x160)
futimesat(0xffffffffffffffff, &(0x7f0000000240)='./file1\x00', &(0x7f0000000280)={{0x2, 0x9}, {0x8}})
kmq_timedsend(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0)
setsid()
r0 = open$dir(&(0x7f0000000340)='./file1\x00', 0x10242, 0x0)
r1 = openat$filemon(0xffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$FILEMON_SET_FD(r1, 0xc0045301, &(0x7f00000001c0)=r0)
rfork(0x5000)

program did not crash
bisect: testing without sub-chunk 3/3
testing program (duration=17s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [14, 24, 17, 19, 1, 28, 28, 11]
detailed listing:
executing program 1:
bind$inet(0xffffffffffffffff, 0x0, 0x0)
socket(0x0, 0x0, 0x0)
r0 = socket(0x2, 0x0, 0x0)
posix_fallocate(0xffffffffffffffff, 0x0, 0x4)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, 0x0, 0x0)
connect$inet(0xffffffffffffffff, 0x0, 0x0)
fork()
fork()
getsockopt$inet6_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x26, &(0x7f0000000640)={0x0, 0x4}, &(0x7f0000000680)=0x8)
freebsd10_pipe(0x0)
sendto(r0, 0x0, 0x0, 0x0, 0x0, 0x0)
shutdown(r0, 0x1)
r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000600), 0x400, 0x0)
ioctl$DIOCRDELTABLES(r1, 0xc450443e, &(0x7f0000000180)={{"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", "8b8c8f16eb13d6b547ebe2d2c03256c3816e05bf3cc567cf8a0d39496a99c576", 0x2}, 0x0, 0x0, 0x0, 0x0, 0xffff, 0xd5d6, 0x2, 0xffffffffffffe31d})
executing program 3:
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r0, 0x0, 0x0)
r1 = dup2(0xffffffffffffffff, 0xffffffffffffffff)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x105, 0x0, &(0x7f0000001700))
r2 = socket(0x0, 0x0, 0x0)
setsockopt$inet6_IPV6_HOPOPTS(r2, 0x29, 0x31, &(0x7f00000016c0)=ANY=[@ANYBLOB="000400000000000004"], 0x28)
sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x800000, @empty, 0x10}, 0x1c)
sendto$inet6(0xffffffffffffffff, &(0x7f0000000600)="14a3fb1a6025b8cdd859c1c2900984923796fa62612e29c5a050c38d8c9f8cb62763920df1f67ddcd95e8d3e9984b6ce65093291e16bd3c0690a6f3c041c1d1b149dcdbfc289cafbafae52adad225aa5d98169f951ae4af8a475a23b341bdbfd6dc85dd7b948384873e36b", 0x6b, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c)
r3 = kqueue()
kevent(r3, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0)
socket(0x1c, 0x1, 0x0)
syz_emit_ethernet(0x42, 0x0)
socket$inet_sctp(0x2, 0x5, 0x84)
r4 = socket$inet_sctp(0x2, 0x0, 0x84)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x28, &(0x7f0000000280)={0x1, [0x0]}, &(0x7f00000002c0)=0x8)
r5 = socket$inet6_sctp(0x1c, 0x1, 0x84)
dup2(r5, 0xffffffffffffffff)
r6 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r6, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r6, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r6, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x125}], 0x1, 0x0, 0x0, 0x81}, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
rfork(0x85000)
executing program 1:
socket$inet6_sctp(0x1c, 0x5, 0x84)
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, &(0x7f0000001700))
r1 = socket(0x0, 0x0, 0x0)
sendto$inet6(r1, &(0x7f0000000600), 0x0, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @rand_addr="fee3a38e5cac1c51deba3c6b07a430a0"}, 0x1c)
r2 = kqueue()
kevent(r2, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0)
r3 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r3, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r3, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r3, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r3, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x135}], 0x1, 0x0, 0x0, 0x81}, 0x0)
fstatat(r3, &(0x7f0000000180)='./file0\x00', &(0x7f0000000780), 0x200)
socket(0x1c, 0x2, 0x0)
connect$inet(0xffffffffffffffff, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10)
rfork(0x85000)
executing program 0:
sync()
r0 = socket$inet6_sctp(0x1c, 0x0, 0x84)
socket(0x1, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x0, 0x84)
ioctl$CIOCCRYPT(0xffffffffffffffff, 0xc0306367, &(0x7f0000000180)={0xe76, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, 0x0, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x5, 0x84)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, 0x0)
ioctl$CIOCGSESSION2(0xffffffffffffffff, 0xc040636a, 0x0)
r1 = openat$crypto(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$CIOCGSESSION2(r1, 0xc040636a, &(0x7f00000000c0)={0x1f, 0x0, 0x20, &(0x7f0000000100)="0b6fac4103e7a00d4689e808d0d4753cc859dd1bff275aedaacdd4743c7eaa2c", 0x0, 0x0, 0x0, 0x7d86699a, [0x0, 0x0, 0x0, 0xda]})
ioctl$CIOCCRYPT(r1, 0xc0306367, &(0x7f0000000640)={0x0, 0x2, 0x0, 0xa7dd, &(0x7f0000000200)="83acdda754cf31bf7eeddaba87642c7107e742498006e02a7406b8ebbc662f1464c5b940c793ffc94f2bfaa323aa5e360361dc6430e2caedfeb67b55a62512daf1e7cb070d67a56085ef77d95232896846c9c73f890c864e89bc1df46e755b8a0555bbf01a632c9c6b74c311f01724ee552c368785cf4f7acda16da2", 0x0, 0x0, &(0x7f0000000400)})
semget$private(0x0, 0x0, 0x0)
setsockopt$inet6_sctp_SCTP_MAX_BURST(r0, 0x84, 0x19, &(0x7f0000000000), 0x8)
ioctl$DIOCGETQSTATSV0(0xffffffffffffffff, 0xc0184432, &(0x7f0000000100)="a4e6e67600d9e020eead6e2e03c0cc548b3e499273c50d225a407deff51e6c7d6773272cd4ae1a973a4f627f753ec38a14e43493aad3b20e9f522e9e7011de7555b87d1e69f2a0a154b2d11a587d7e37c7fcf7b3b84fd234dfb02d9b914835b670acfbc38d0ddc8025591be3f0f7d68435df082133ec0761c873f1851faea41f91548e531542998580e319c7ba8b44e6671d83cfe2930f832683d80ec864055134d6fe20a133d6e3eb0a0112f58cd6cce2ffc5bd40becb8195546aaac9fb4f9dc8630954e2f403")
r2 = socket$inet_sctp(0x2, 0x1, 0x84)
connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0x1c, 0x1c, 0x1, 0x0, @mcast1, 0x3}, 0x1c)
getsockname$inet6(0xffffffffffffffff, 0x0, &(0x7f0000000700))
shutdown(r2, 0x1)
executing program 3:
syz_emit_ethernet(0x4e, &(0x7f00000003c0)={@broadcast, @remote, [], {@ipv6={0x86dd, {0x0, 0x6, '\x00o3', 0x18, 0x3a, 0x0, @rand_addr="8a211dd1450021b07f5a1957de7400", @local={0xfe, 0x80, '\x00', 0x0}, {[], @icmpv6=@mld={0x82, 0x0, 0x0, 0x0, 0x0, @empty}}}}}})
executing program 3:
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000540), 0x1, 0x0)
ioctl$DIOCADDADDR(0xffffffffffffffff, 0xc4704434, &(0x7f0000000480)="02")
ioctl$DIOCBEGINADDRS(r1, 0xc4704433, &(0x7f0000000040))
ioctl$DIOCADDADDR(r1, 0xc4704434, &(0x7f0000000040))
socket$inet6_sctp(0x1c, 0x0, 0x84)
r2 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a)
setsockopt$inet6_group_source_req(r2, 0x29, 0x0, 0x0, 0x0)
setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x50, &(0x7f0000000500)={0x2, {{0x1c, 0x1c, 0x0, 0x0, @mcast2}}}, 0x88)
setsockopt$inet6_group_source_req(r2, 0x29, 0x53, &(0x7f00000000c0)={0x3, {{0x1c, 0x1c, 0x2, 0x0, @mcast2}}, {{0x1c, 0x1c, 0x3, 0x0, @rand_addr="fb008700005276754968d25ea90400"}}}, 0x108)
getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0xa, 0x0, 0x0)
getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000380)={@in6={{0x1c, 0x1c, 0x0, 0x0, @loopback, 0x401}}, 0x0, 0x6, 0x0, 0x200, 0xffff8001, 0xffff}, 0x0)
writev(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}], 0x1)
setpriority(0x0, 0x0, 0x6)
r3 = socket$inet6_sctp(0x1c, 0x5, 0x84)
r4 = socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet6(r4, &(0x7f0000000000)={0x1c, 0x1c, 0x0, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}, 0x200000}, 0x1c)
setsockopt$inet6_sctp_SCTP_AUTOCLOSE(r3, 0x84, 0x5, &(0x7f0000000440)=0x2, 0x4)
getsockopt$inet_sctp_SCTP_REMOTE_UDP_ENCAPS_PORT(0xffffffffffffffff, 0x84, 0x24, 0x0, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
connect$inet(r0, &(0x7f0000000000)={0x10, 0x2, 0x2, @multicast2}, 0x10)
socket$inet6_sctp(0x1c, 0x5, 0x84)
socket(0x2, 0x0, 0x0)
r5 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_sctp_SCTP_MAXSEG(r5, 0x84, 0xe, &(0x7f0000002580), 0x8)
bind(r5, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x3, 0x0, @loopback}, 0x1c)
socket$inet6_sctp(0x1c, 0x0, 0x84)
setsockopt$inet6_sctp_SCTP_EVENTS(0xffffffffffffffff, 0x84, 0xc, 0x0, 0x0)
executing program 1:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
sendto(r1, &(0x7f0000000900)="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"/1050, 0x41a, 0x104, &(0x7f0000000480)=@in={0x10, 0x2, 0x1, @loopback}, 0x10)
r4 = fork()
sigqueue(r4, 0x0, @sigval_int)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})
setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0x40, 0x0, 0x0)
executing program 0:
r0 = openat$filemon(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0)
r1 = __specialfd$eventfd(0x1, &(0x7f0000000540), 0x8)
fhopen(0x0, 0x0)
ioctl$FILEMON_SET_FD(r0, 0xc0045301, &(0x7f0000000000)=r1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x0, 0x84)
profil(0x0, 0x0, 0x0, 0x0)
getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, 0x0, 0x0)
freebsd11_kevent(0xffffffffffffffff, &(0x7f0000000300)=[{0x5, 0xfffffffffffffffa, 0x13, 0x1000000, 0x5, 0xfffffffffffffffc}, {0xffffffffffff10d0, 0xfffffffffffffffb, 0x1, 0x10, 0x25, 0x800}, {0xaf, 0xfffffffffffffffd, 0x4, 0x4, 0x4a, 0x286}, {0x7, 0xfffffffffffffff0, 0xd2, 0x1, 0x7, 0x7}, {0x2, 0xfffffffffffffffb, 0x0, 0x1, 0x10000, 0x1}, {0x4, 0xfffffffffffffffe, 0x8000, 0x1, 0x6, 0xda}, {0x0, 0xfffffffffffffff9, 0x8000, 0x80000000, 0x2, 0x7}, {0x89e, 0xfffffffffffffff3, 0x8020, 0x20, 0x3cb3, 0x1000}], 0x8, &(0x7f0000000440)=[{}, {}, {}, {}, {}, {}, {}], 0x7, &(0x7f0000000080)={0xb5, 0x1})
rfork(0x3040)

program crashed: lost connection to test machine
bisect: the chunk can be dropped
bisect: split chunks (needed=true): <8>
bisect: split chunk #0 of len 8 into 2 parts
bisect: testing without sub-chunk 1/2
testing program (duration=16s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [1, 28, 28, 11]
detailed listing:
executing program 3:
syz_emit_ethernet(0x4e, &(0x7f00000003c0)={@broadcast, @remote, [], {@ipv6={0x86dd, {0x0, 0x6, '\x00o3', 0x18, 0x3a, 0x0, @rand_addr="8a211dd1450021b07f5a1957de7400", @local={0xfe, 0x80, '\x00', 0x0}, {[], @icmpv6=@mld={0x82, 0x0, 0x0, 0x0, 0x0, @empty}}}}}})
executing program 3:
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000540), 0x1, 0x0)
ioctl$DIOCADDADDR(0xffffffffffffffff, 0xc4704434, &(0x7f0000000480)="02")
ioctl$DIOCBEGINADDRS(r1, 0xc4704433, &(0x7f0000000040))
ioctl$DIOCADDADDR(r1, 0xc4704434, &(0x7f0000000040))
socket$inet6_sctp(0x1c, 0x0, 0x84)
r2 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a)
setsockopt$inet6_group_source_req(r2, 0x29, 0x0, 0x0, 0x0)
setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x50, &(0x7f0000000500)={0x2, {{0x1c, 0x1c, 0x0, 0x0, @mcast2}}}, 0x88)
setsockopt$inet6_group_source_req(r2, 0x29, 0x53, &(0x7f00000000c0)={0x3, {{0x1c, 0x1c, 0x2, 0x0, @mcast2}}, {{0x1c, 0x1c, 0x3, 0x0, @rand_addr="fb008700005276754968d25ea90400"}}}, 0x108)
getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0xa, 0x0, 0x0)
getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000380)={@in6={{0x1c, 0x1c, 0x0, 0x0, @loopback, 0x401}}, 0x0, 0x6, 0x0, 0x200, 0xffff8001, 0xffff}, 0x0)
writev(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}], 0x1)
setpriority(0x0, 0x0, 0x6)
r3 = socket$inet6_sctp(0x1c, 0x5, 0x84)
r4 = socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet6(r4, &(0x7f0000000000)={0x1c, 0x1c, 0x0, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}, 0x200000}, 0x1c)
setsockopt$inet6_sctp_SCTP_AUTOCLOSE(r3, 0x84, 0x5, &(0x7f0000000440)=0x2, 0x4)
getsockopt$inet_sctp_SCTP_REMOTE_UDP_ENCAPS_PORT(0xffffffffffffffff, 0x84, 0x24, 0x0, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
connect$inet(r0, &(0x7f0000000000)={0x10, 0x2, 0x2, @multicast2}, 0x10)
socket$inet6_sctp(0x1c, 0x5, 0x84)
socket(0x2, 0x0, 0x0)
r5 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_sctp_SCTP_MAXSEG(r5, 0x84, 0xe, &(0x7f0000002580), 0x8)
bind(r5, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x3, 0x0, @loopback}, 0x1c)
socket$inet6_sctp(0x1c, 0x0, 0x84)
setsockopt$inet6_sctp_SCTP_EVENTS(0xffffffffffffffff, 0x84, 0xc, 0x0, 0x0)
executing program 1:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
sendto(r1, &(0x7f0000000900)="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"/1050, 0x41a, 0x104, &(0x7f0000000480)=@in={0x10, 0x2, 0x1, @loopback}, 0x10)
r4 = fork()
sigqueue(r4, 0x0, @sigval_int)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})
setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0x40, 0x0, 0x0)
executing program 0:
r0 = openat$filemon(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0)
r1 = __specialfd$eventfd(0x1, &(0x7f0000000540), 0x8)
fhopen(0x0, 0x0)
ioctl$FILEMON_SET_FD(r0, 0xc0045301, &(0x7f0000000000)=r1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x0, 0x84)
profil(0x0, 0x0, 0x0, 0x0)
getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, 0x0, 0x0)
freebsd11_kevent(0xffffffffffffffff, &(0x7f0000000300)=[{0x5, 0xfffffffffffffffa, 0x13, 0x1000000, 0x5, 0xfffffffffffffffc}, {0xffffffffffff10d0, 0xfffffffffffffffb, 0x1, 0x10, 0x25, 0x800}, {0xaf, 0xfffffffffffffffd, 0x4, 0x4, 0x4a, 0x286}, {0x7, 0xfffffffffffffff0, 0xd2, 0x1, 0x7, 0x7}, {0x2, 0xfffffffffffffffb, 0x0, 0x1, 0x10000, 0x1}, {0x4, 0xfffffffffffffffe, 0x8000, 0x1, 0x6, 0xda}, {0x0, 0xfffffffffffffff9, 0x8000, 0x80000000, 0x2, 0x7}, {0x89e, 0xfffffffffffffff3, 0x8020, 0x20, 0x3cb3, 0x1000}], 0x8, &(0x7f0000000440)=[{}, {}, {}, {}, {}, {}, {}], 0x7, &(0x7f0000000080)={0xb5, 0x1})
rfork(0x3040)

program crashed: lost connection to test machine
bisect: the chunk can be dropped
bisect: testing without sub-chunk 2/2
bisect: no need to test this chunk, it's definitely needed
bisect: split chunks (needed=true): <4>
bisect: split chunk #0 of len 4 into 2 parts
bisect: testing without sub-chunk 1/2
testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [28, 11]
detailed listing:
executing program 1:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
sendto(r1, &(0x7f0000000900)="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"/1050, 0x41a, 0x104, &(0x7f0000000480)=@in={0x10, 0x2, 0x1, @loopback}, 0x10)
r4 = fork()
sigqueue(r4, 0x0, @sigval_int)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})
setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0x40, 0x0, 0x0)
executing program 0:
r0 = openat$filemon(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0)
r1 = __specialfd$eventfd(0x1, &(0x7f0000000540), 0x8)
fhopen(0x0, 0x0)
ioctl$FILEMON_SET_FD(r0, 0xc0045301, &(0x7f0000000000)=r1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x0, 0x84)
profil(0x0, 0x0, 0x0, 0x0)
getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, 0x0, 0x0)
freebsd11_kevent(0xffffffffffffffff, &(0x7f0000000300)=[{0x5, 0xfffffffffffffffa, 0x13, 0x1000000, 0x5, 0xfffffffffffffffc}, {0xffffffffffff10d0, 0xfffffffffffffffb, 0x1, 0x10, 0x25, 0x800}, {0xaf, 0xfffffffffffffffd, 0x4, 0x4, 0x4a, 0x286}, {0x7, 0xfffffffffffffff0, 0xd2, 0x1, 0x7, 0x7}, {0x2, 0xfffffffffffffffb, 0x0, 0x1, 0x10000, 0x1}, {0x4, 0xfffffffffffffffe, 0x8000, 0x1, 0x6, 0xda}, {0x0, 0xfffffffffffffff9, 0x8000, 0x80000000, 0x2, 0x7}, {0x89e, 0xfffffffffffffff3, 0x8020, 0x20, 0x3cb3, 0x1000}], 0x8, &(0x7f0000000440)=[{}, {}, {}, {}, {}, {}, {}], 0x7, &(0x7f0000000080)={0xb5, 0x1})
rfork(0x3040)

program crashed: lost connection to test machine
bisect: the chunk can be dropped
bisect: testing without sub-chunk 2/2
bisect: no need to test this chunk, it's definitely needed
bisect: split chunks (needed=true): <2>
bisect: split chunk #0 of len 2 into 2 parts
bisect: testing without sub-chunk 1/2
testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$filemon-__specialfd$eventfd-fhopen-ioctl$FILEMON_SET_FD-mprotect-socket$inet_sctp-socket$inet6_sctp-profil-getsockopt$inet_sctp_SCTP_STATUS-freebsd11_kevent-rfork
detailed listing:
executing program 0:
r0 = openat$filemon(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0)
r1 = __specialfd$eventfd(0x1, &(0x7f0000000540), 0x8)
fhopen(0x0, 0x0)
ioctl$FILEMON_SET_FD(r0, 0xc0045301, &(0x7f0000000000)=r1)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x0, 0x84)
profil(0x0, 0x0, 0x0, 0x0)
getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x100, 0x0, 0x0)
freebsd11_kevent(0xffffffffffffffff, &(0x7f0000000300)=[{0x5, 0xfffffffffffffffa, 0x13, 0x1000000, 0x5, 0xfffffffffffffffc}, {0xffffffffffff10d0, 0xfffffffffffffffb, 0x1, 0x10, 0x25, 0x800}, {0xaf, 0xfffffffffffffffd, 0x4, 0x4, 0x4a, 0x286}, {0x7, 0xfffffffffffffff0, 0xd2, 0x1, 0x7, 0x7}, {0x2, 0xfffffffffffffffb, 0x0, 0x1, 0x10000, 0x1}, {0x4, 0xfffffffffffffffe, 0x8000, 0x1, 0x6, 0xda}, {0x0, 0xfffffffffffffff9, 0x8000, 0x80000000, 0x2, 0x7}, {0x89e, 0xfffffffffffffff3, 0x8020, 0x20, 0x3cb3, 0x1000}], 0x8, &(0x7f0000000440)=[{}, {}, {}, {}, {}, {}, {}], 0x7, &(0x7f0000000080)={0xb5, 0x1})
rfork(0x3040)

program did not crash
bisect: testing without sub-chunk 2/2
testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-openat$filemon-rfork-getsockopt$inet6_buf-getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS-rfork-getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS-sendto-fork-sigqueue-procctl$PROC_REAP_KILL-setsockopt$inet_tcp_TCP_CONGESTION
detailed listing:
executing program 1:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
sendto(r1, &(0x7f0000000900)="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"/1050, 0x41a, 0x104, &(0x7f0000000480)=@in={0x10, 0x2, 0x1, @loopback}, 0x10)
r4 = fork()
sigqueue(r4, 0x0, @sigval_int)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})
setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0x40, 0x0, 0x0)

program crashed: lost connection to test machine
bisect: the chunk can be dropped
bisect: split chunks (needed=true): <1>
bisect: split chunk #0 of len 1 into 2 parts
bisect: no way to further split the chunk
bisect: 1 programs left: 

executing program 1:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
sendto(r1, &(0x7f0000000900)="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"/1050, 0x41a, 0x104, &(0x7f0000000480)=@in={0x10, 0x2, 0x1, @loopback}, 0x10)
r4 = fork()
sigqueue(r4, 0x0, @sigval_int)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})
setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0x40, 0x0, 0x0)


bisect: trying to concatenate
bisect: concatenate 1 entries
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-openat$filemon-rfork-getsockopt$inet6_buf-getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS-rfork-getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS-sendto-fork-sigqueue-procctl$PROC_REAP_KILL-setsockopt$inet_tcp_TCP_CONGESTION
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
sendto(r1, &(0x7f0000000900)="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"/1050, 0x41a, 0x104, &(0x7f0000000480)=@in={0x10, 0x2, 0x1, @loopback}, 0x10)
r4 = fork()
sigqueue(r4, 0x0, @sigval_int)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})
setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0x40, 0x0, 0x0)

program crashed: lost connection to test machine
bisect: concatenation succeeded
found reproducer with 28 syscalls
minimizing guilty program
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-openat$filemon-rfork-getsockopt$inet6_buf-getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS-rfork-getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS-sendto-fork-sigqueue-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
sendto(r1, &(0x7f0000000900)="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"/1050, 0x41a, 0x104, &(0x7f0000000480)=@in={0x10, 0x2, 0x1, @loopback}, 0x10)
r4 = fork()
sigqueue(r4, 0x0, @sigval_int)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-openat$filemon-rfork-getsockopt$inet6_buf-getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS-rfork-getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS-sendto-fork-sigqueue
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
sendto(r1, &(0x7f0000000900)="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"/1050, 0x41a, 0x104, &(0x7f0000000480)=@in={0x10, 0x2, 0x1, @loopback}, 0x10)
r4 = fork()
sigqueue(r4, 0x0, @sigval_int)

program did not crash
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-openat$filemon-rfork-getsockopt$inet6_buf-getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS-rfork-getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS-sendto-fork-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
sendto(r1, &(0x7f0000000900)="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"/1050, 0x41a, 0x104, &(0x7f0000000480)=@in={0x10, 0x2, 0x1, @loopback}, 0x10)
fork()
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-openat$filemon-rfork-getsockopt$inet6_buf-getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS-rfork-getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS-sendto-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
sendto(r1, &(0x7f0000000900)="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"/1050, 0x41a, 0x104, &(0x7f0000000480)=@in={0x10, 0x2, 0x1, @loopback}, 0x10)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-openat$filemon-rfork-getsockopt$inet6_buf-getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS-rfork-getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
getsockopt$inet6_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffff9c, 0x84, 0x107, &(0x7f0000000640)={0x0, 0x7, 0x2, 0x0, 0xffffffff}, &(0x7f0000000780)=0x18)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-openat$filemon-rfork-getsockopt$inet6_buf-getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS-rfork-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
rfork(0x20)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-openat$filemon-rfork-getsockopt$inet6_buf-getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x103, 0x0, 0x0)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-openat$filemon-rfork-getsockopt$inet6_buf-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x19, 0x0, 0x0)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-openat$filemon-rfork-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
rfork(0x81020)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-openat$filemon-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x480002, 0x0)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-syz_emit_ethernet-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
syz_emit_ethernet(0x66, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd604292c800300000fe8000000000000000000000140000aaff0200000000000000000000000000012902"])
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-socket$inet_sctp-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
socket$inet_sctp(0x2, 0x0, 0x84)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-connect$inet-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @loopback}, 0x10)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-fcntl$lock-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
r2 = open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r3 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x24, 0x0, 0x0)
fcntl$lock(r2, 0xb, &(0x7f0000000280))
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-setsockopt$inet6_tcp_buf-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r2 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r2, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
setsockopt$inet6_tcp_buf(r2, 0x6, 0x24, 0x0, 0x0)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-setsockopt$inet6_tcp_buf-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
r2 = socket$inet6_tcp(0x1c, 0x1, 0x0)
setsockopt$inet6_tcp_buf(r2, 0x6, 0x24, &(0x7f0000000080)="f4", 0x1)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-socket$inet6_tcp-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
socket$inet6_tcp(0x1c, 0x1, 0x0)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-open$dir-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
open$dir(&(0x7f0000000040)='./file0\x00', 0x400, 0x0)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-clock_settime-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
clock_settime(0x0, &(0x7f00000001c0)={0x62de, 0x9a4f})
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-setsockopt$inet_tcp_TCP_FUNCTION_BLK-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
r1 = socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-fstat-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
socket(0x2, 0x1, 0x0)
fstat(r0, &(0x7f0000000680))
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-socket-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
socket(0x2, 0x1, 0x0)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-ksem_init-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ksem_init(&(0x7f0000000180), 0x0)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-socketpair$unix-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-socket$inet6_sctp-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-socket$inet_sctp-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet_sctp-procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000840)={0x0, 0x0, 0x0}, 0x0)
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): procctl$PROC_REAP_KILL
program did not crash
simplifying guilty program options
testing program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): procctl$PROC_REAP_KILL
program did not crash
testing program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program did not crash
testing program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): procctl$PROC_REAP_KILL
detailed listing:
executing program 0:
procctl$PROC_REAP_KILL(0x0, 0x0, 0x6, &(0x7f0000000880)={0x5, 0x1, 0xffffffffffffffff, 0x80000000})

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): procctl$PROC_REAP_KILL
program did not crash
reproducing took 44m41.426589871s
repro crashed as (corrupted=false):

final repro crashed as (corrupted=false):