last executing test programs:

4m49.095772809s ago: executing program 2:
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r0, 0x6, 0x1, 0x0, 0x0)
connect$inet(r0, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r0, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x1a0}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214362114349b82946677ddfd142aa6bb617033770a391dbfca5781c270e368983e8716559650762d28e7aa65c9d1c963d21f", 0x62}], 0x2, 0x0, 0x0, 0x81}, 0x0)
socket(0x2, 0x0, 0x0)
r1 = socket$inet_udplite(0x2, 0x2, 0x88)
vfork()
lio_listio(0x0, 0x0, 0x0, &(0x7f00000047c0)={0x1, 0x6})
vfork()
r2 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000040)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_int(r2, 0x6, 0x41f, &(0x7f0000000100)=0x1, 0x4)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x22, &(0x7f0000000180)=0x5, 0x4)
setsockopt$inet_tcp_int(r2, 0x6, 0x458, &(0x7f0000000080)=0x54, 0x4)
sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x10, 0x2, 0x3, @multicast1}, 0x10)
setsockopt$sock_int(r1, 0xffff, 0x1018, &(0x7f0000000040)=0x28, 0xe9)
sendto(r1, 0x0, 0x0, 0x0, &(0x7f0000001040)=@in={0x10, 0x2, 0x0, @multicast2}, 0x10)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000a40)={'bbr\x00', 0x6}, 0x1e)
socket(0x0, 0x1, 0x0)
socket$inet6_sctp(0x1c, 0x0, 0x84)
r3 = socket$inet_sctp(0x2, 0x1, 0x84)
connect$inet(r3, &(0x7f0000000200)={0x10, 0x2, 0x2, @rand_addr=0x89}, 0x10)
rfork(0x3060)

4m47.038409664s ago: executing program 2:
r0 = socket$inet6_sctp(0x1c, 0x5, 0x84)
r1 = socket$inet_sctp(0x2, 0x5, 0x84)
r2 = dup2(r1, r0)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, &(0x7f0000001700))
ksem_init(&(0x7f0000000000), 0x1000)
r3 = socket(0x1c, 0x0, 0x0)
listen(0xffffffffffffffff, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r3, 0x6, 0x2000, &(0x7f0000000280)={'bbr\x00'}, 0x24)
connect$inet6(r3, 0x0, 0x0)
sendto(r3, &(0x7f0000000100), 0x0, 0x100, &(0x7f00000002c0)=@un=@file={0x2}, 0x2)
r4 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r4, &(0x7f00000000c0)={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet6_sctp_SCTP_EXPLICIT_EOR(r2, 0x84, 0x1b, &(0x7f0000000040), &(0x7f0000000140)=0x4)
r5 = socket(0x1c, 0x1, 0x0)
setsockopt$sock_int(r5, 0xffff, 0x10000, 0x0, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r5, 0x6, 0x2000, &(0x7f0000000180)={'rack\x00'}, 0x24)
setsockopt$sock_int(r5, 0xffff, 0x0, &(0x7f0000000300), 0x4)
bind$inet6(r5, &(0x7f00000001c0)={0x1c, 0x1c, 0x2, 0x0, @rand_addr="5f6b716f28cca1b1f07c18e871eb0476", 0x1ff}, 0x1c)
sendto(r5, 0x0, 0x0, 0x0, &(0x7f0000000340)=@in6={0x1c, 0x1c, 0x2, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}, 0x2}, 0x1c)
flock(r2, 0x0)
r6 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00', 0x8}, 0x24)
recvmsg(r6, &(0x7f0000000ac0)={&(0x7f00000006c0), 0x200, &(0x7f0000000a40), 0x0, &(0x7f0000000380)=""/36, 0x24}, 0x40043)

4m47.028577656s ago: executing program 2:
ksem_wait(0x0)
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
unlink(0x0)
open$dir(0x0, 0x0, 0x0)
mknodat(0xffffffffffffffff, 0x0, 0xc0e99db6de761f86, 0x0)
open$dir(&(0x7f0000000000)='./file0\x00', 0x200, 0x81)
aio_readv(0x0)
socket$inet_sctp(0x2, 0x1, 0x84)
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x10, 0x2, 0x3, @rand_addr=0x2}, 0x10)
recvfrom$inet(r0, 0x0, 0x0, 0x0, 0x0, 0x0)
ksem_init(&(0x7f00000022c0), 0x0)
ksem_open(&(0x7f0000000000), 0x0, 0x200, 0x6c, 0x0)
kmq_open(0x0, 0x200, 0x0, 0x0)
shm_open2(0x0, 0x0, 0xd, 0x0, 0x0)
socket(0x1c, 0x1, 0x0)
setsockopt$inet_sctp_SCTP_EVENTS(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000000), 0xb)
setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x21, &(0x7f0000000240)={0x0, 0x200}, 0x10)
sendmsg$inet_sctp(r0, &(0x7f0000000280)={0x0, 0x3d, 0x0}, 0x0)

4m46.182888255s ago: executing program 2:
r0 = socket$inet6_sctp(0x1c, 0x5, 0x84)
r1 = socket$inet_sctp(0x2, 0x5, 0x84)
r2 = dup2(r1, r0)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, &(0x7f0000001700))
ksem_init(&(0x7f0000000000), 0x1000)
r3 = socket(0x1c, 0x0, 0x0)
listen(0xffffffffffffffff, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r3, 0x6, 0x2000, &(0x7f0000000280)={'bbr\x00'}, 0x24)
connect$inet6(r3, 0x0, 0x0)
sendto(r3, &(0x7f0000000100), 0x0, 0x100, &(0x7f00000002c0)=@un=@file={0x2}, 0x2)
r4 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r4, &(0x7f00000000c0)={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet6_sctp_SCTP_EXPLICIT_EOR(r2, 0x84, 0x1b, &(0x7f0000000040), &(0x7f0000000140)=0x4)
r5 = socket(0x1c, 0x1, 0x0)
setsockopt$sock_int(r5, 0xffff, 0x10000, 0x0, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r5, 0x6, 0x2000, &(0x7f0000000180)={'rack\x00'}, 0x24)
setsockopt$sock_int(r5, 0xffff, 0x0, &(0x7f0000000300), 0x4)
bind$inet6(r5, &(0x7f00000001c0)={0x1c, 0x1c, 0x2, 0x0, @rand_addr="5f6b716f28cca1b1f07c18e871eb0476", 0x1ff}, 0x1c)
sendto(r5, 0x0, 0x0, 0x0, &(0x7f0000000340)=@in6={0x1c, 0x1c, 0x2, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}, 0x2}, 0x1c)
flock(r2, 0x0)
r6 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00', 0x8}, 0x24)
recvmsg(r6, &(0x7f0000000ac0)={&(0x7f00000006c0), 0x200, &(0x7f0000000a40), 0x0, &(0x7f0000000380)=""/36, 0x24}, 0x40043)

4m46.13416413s ago: executing program 2:
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x1, 0x84)
socket$inet6_sctp(0x1c, 0x1, 0x84)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r0, 0x6, 0x1, 0x0, 0x0)
connect$inet(r0, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r0, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="ca1b3b5c422ca65675e274c429d4ecb6043c5c10548af3499af18ae3b738b9b6b5428e18e8a6f70a1fad05f03388e5d7fcc796fa874a4c850fc114d59d7d095f07c3338b7653ed757e08fc8325e69831de6411138839053b1a7b32636f2e05fcbcada2375bde92ed0ac706042efe8a3bcd095a7ab57ac9ddbdc94f1545f59d15ada6e76061b7834beac7d501f26c2752d451ca96b5f61b24c88865cfe25dfb939a9fcbb9146239110e08576b3ec84e75714e740034e78dba801094faa3edb5774e0c58a39e0a1439a32fb837000000000000800108fcaeec67663ce77bfbc50affa69135c9385cd6d36ff365039a3c5a89a24e3fed7dee1a35513534f7173d892afd3b73f76a08af4f857a1f2674d9ace7647aace412d13afc1ac098fe6f86bfdef411248be5e096c4e747bfdc32a173cf9cdba48cc36819787fb0c8664abba4c4b89301778de04ce183088b220700174ca1107863fc3500214a48fd44cd24da967f302be96774a686a363da73f49978a5a3ae0f0b46ac297bb83d21274e2b92fed3890d878907c57de8e86398ba408a9b79aa3004365e1e50f236b0188652c5", 0x1a0}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214362114349b82946677ddfd142aa6bb617033770a391dbfca5781c270e368983e8716559650762d28e7aa65c9d1c963d21f", 0x62}], 0x2, 0x0, 0x0, 0x81}, 0x0)
socket(0x2, 0x0, 0x0)
r1 = socket$inet_udplite(0x2, 0x2, 0x88)
vfork()
lio_listio(0x0, 0x0, 0x0, &(0x7f00000047c0)={0x1, 0x6})
lio_listio(0x0, 0x0, 0x0, &(0x7f0000000040)={0x1, 0xd, @sival_ptr, @spare})
r2 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000040)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_int(r2, 0x6, 0x41f, &(0x7f0000000100)=0x1, 0x4)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x22, &(0x7f0000000180)=0x5, 0x4)
setsockopt$inet_tcp_int(r2, 0x6, 0x458, &(0x7f0000000080)=0x54, 0x4)
sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x10, 0x2, 0x3, @multicast1}, 0x10)
setsockopt$sock_int(r1, 0xffff, 0x1018, &(0x7f0000000040)=0x28, 0xe9)
sendto(r1, 0x0, 0x0, 0x0, &(0x7f0000001040)=@in={0x10, 0x2, 0x0, @multicast2}, 0x10)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000a40)={'bbr\x00', 0x6}, 0x1e)
socket(0x0, 0x1, 0x0)
socket$inet6_sctp(0x1c, 0x0, 0x84)
r3 = socket$inet_sctp(0x2, 0x1, 0x84)
connect$inet(r3, &(0x7f0000000200)={0x10, 0x2, 0x2, @rand_addr=0x89}, 0x10)
rfork(0x3060)

4m45.966667213s ago: executing program 2:
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x1, 0x84)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r0, 0x6, 0x1, 0x0, 0x0)
connect$inet(r0, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r0, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x1a0}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214362114349b82946677ddfd142aa6bb617033770a391dbfca5781c270e368983e8716559650762d28e7aa65c9d1c963d21f", 0x62}], 0x2, 0x0, 0x0, 0x81}, 0x0)
socket(0x2, 0x0, 0x0)
r1 = socket$inet_udplite(0x2, 0x2, 0x88)
vfork()
lio_listio(0x0, 0x0, 0x0, &(0x7f00000047c0)={0x1, 0x6})
vfork()
lio_listio(0x0, 0x0, 0x0, &(0x7f0000000040)={0x1, 0xd, @sival_ptr, @spare})
r2 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r2, 0x6, 0x41f, &(0x7f0000000100)=0x1, 0x4)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x22, &(0x7f0000000180)=0x5, 0x4)
setsockopt$inet_tcp_int(r2, 0x6, 0x458, &(0x7f0000000080)=0x54, 0x4)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x448, 0x0, 0x0)
sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x10, 0x2, 0x3, @multicast1}, 0x10)
setsockopt$sock_int(r1, 0xffff, 0x1018, &(0x7f0000000040)=0x28, 0xe9)
sendto(r1, 0x0, 0x0, 0x0, &(0x7f0000001040)=@in={0x10, 0x2, 0x0, @multicast2}, 0x10)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000a40)={'bbr\x00', 0x6}, 0x1e)
socket(0x0, 0x1, 0x0)
socket$inet6_sctp(0x1c, 0x0, 0x84)
r3 = socket$inet_sctp(0x2, 0x1, 0x84)
connect$inet(r3, &(0x7f0000000200)={0x10, 0x2, 0x2, @rand_addr=0x89}, 0x10)
rfork(0x3060)

4m15.288991153s ago: executing program 1:
ioctl$DIOCSETTIMEOUT(0xffffffffffffffff, 0xc008441d, &(0x7f0000000000)={0x7ff, 0x4})
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
getsockopt$inet6_sctp_SCTP_DELAYED_SACK(0xffffffffffffff9c, 0x84, 0xf, &(0x7f0000000040)={<r1=>0x0, 0x0, 0x1}, &(0x7f0000000080)=0xc)
setsockopt$inet6_sctp_SCTP_RTOINFO(r0, 0x84, 0x1, &(0x7f00000000c0)={r1, 0x0, 0x2}, 0x10)
r2 = socket$inet_sctp(0x2, 0x5, 0x84)
getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x23, &(0x7f0000000100)={@in6={{0x1c, 0x1c, 0x1, 0x4, @mcast2}}, r1, 0x4, 0x3, 0x9}, &(0x7f00000001c0)=0x90)
r3 = kmq_open(&(0x7f0000000200)='./file0\x00', 0x0, 0x10, &(0x7f0000000240)={0x8000000000000000, 0x1000, 0x1, 0x1})
kmq_setattr(r3, &(0x7f0000000280)={0x4, 0x100000001, 0x1, 0x2}, 0x0)
fhstatfs(&(0x7f00000002c0)={{[0x52ff, 0x8]}, {0xa711, 0x9, "d5b3f338bc2f5d3c8044ab86e7ee0386"}}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, <r4=>0x0})
setuid(r4)
setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x22, &(0x7f0000000c40)={0xf, 0x7}, 0xc)
getsockopt$inet6_sctp_SCTP_GET_PEER_ADDRESSES(r0, 0x84, 0x8003, &(0x7f0000000cc0)={0x0, &(0x7f0000000c80)=[@in={0x10, 0x2, 0xffffffffffffffff, @loopback}, @in={0x10, 0x2, 0xffffffffffffffff, @remote}]}, &(0x7f0000000d00)=0x10)
mkdir(&(0x7f0000000d40)='./file0\x00', 0x0)
r5 = semget(0x3, 0x4, 0x100)
fchmod(r2, 0x0)
fhopen(&(0x7f0000000dc0)={{[0x7fffffff]}, {0x6, 0x2, "028270ab0c455f281b01d764d57d51d4"}}, 0x80000)
setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x900, &(0x7f0000000ec0)={r1, 0x7}, 0x8)
ksem_open(&(0x7f0000001200), &(0x7f0000001240)='\x00', 0xa00, 0x91, 0x1f)
__semctl$SEM_STAT(r5, 0x2, 0xa, &(0x7f0000001340)=&(0x7f0000001300))

4m15.268254281s ago: executing program 1:
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x1, 0x84)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r0, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r0, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r0, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x19d}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214362114349b82946677ddfd142aa6bb617033770a391dbfca5781c270e368983e8716559650762d28e7aa65c9d1c963d21f", 0x62}], 0x2, 0x0, 0x0, 0x81}, 0x0)
socket(0x2, 0x0, 0x0)
r1 = socket$inet_udplite(0x2, 0x2, 0x88)
vfork()
lio_listio(0x0, 0x0, 0x0, &(0x7f00000047c0)={0x1, 0x6})
vfork()
lio_listio(0x0, 0x0, 0x0, &(0x7f0000000040)={0x1, 0xd, @sival_ptr, @spare})
r2 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000040)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_int(r2, 0x6, 0x41f, &(0x7f0000000100)=0x1, 0x4)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x22, &(0x7f0000000180)=0x5, 0x4)
setsockopt$inet_tcp_int(r2, 0x6, 0x458, &(0x7f0000000080), 0x4)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x448, 0x0, 0x0)
setsockopt$sock_int(r1, 0xffff, 0x1018, &(0x7f0000000040)=0x28, 0xe9)
sendto(r1, 0x0, 0x0, 0x0, &(0x7f0000001040)=@in={0x10, 0x2, 0x0, @multicast2}, 0x10)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000a40)={'bbr\x00', 0x6}, 0x1e)
connect$inet(0xffffffffffffffff, &(0x7f0000000200)={0x10, 0x2, 0x2, @rand_addr=0x89}, 0x10)
rfork(0x3060)

4m15.117337127s ago: executing program 1:
syz_emit_ethernet(0x66, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x5, 0x84)
extattr_set_link(&(0x7f0000000140)='./file0\x00', 0x0, 0x0, 0x0, 0x0)
r0 = openat$filemon(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0)
ioctl$FILEMON_SET_FD(r0, 0xc0045301, &(0x7f0000000000))

4m15.103208237s ago: executing program 1:
ioctl$DIOCSETTIMEOUT(0xffffffffffffffff, 0xc008441d, &(0x7f0000000000)={0x7ff, 0x4})
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
getsockopt$inet6_sctp_SCTP_DELAYED_SACK(0xffffffffffffff9c, 0x84, 0xf, &(0x7f0000000040)={<r1=>0x0, 0x0, 0x1}, &(0x7f0000000080)=0xc)
setsockopt$inet6_sctp_SCTP_RTOINFO(r0, 0x84, 0x1, &(0x7f00000000c0)={r1, 0x0, 0x2}, 0x10)
r2 = socket$inet_sctp(0x2, 0x5, 0x84)
getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x23, &(0x7f0000000100)={@in6={{0x1c, 0x1c, 0x1, 0x4, @mcast2}}, r1, 0x4, 0x3, 0x9}, &(0x7f00000001c0)=0x90)
r3 = kmq_open(&(0x7f0000000200)='./file0\x00', 0x0, 0x10, &(0x7f0000000240)={0x8000000000000000, 0x1000, 0x1, 0x1})
kmq_setattr(r3, &(0x7f0000000280)={0x4, 0x100000001, 0x1, 0x2}, 0x0)
fhstatfs(&(0x7f00000002c0)={{[0x52ff, 0x8]}, {0xa711, 0x9, "d5b3f338bc2f5d3c8044ab86e7ee0386"}}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, <r4=>0x0})
setuid(r4)
getsockopt$inet6_sctp_SCTP_GET_PEER_ADDRESSES(r0, 0x84, 0x8003, &(0x7f0000000cc0)={r1, &(0x7f0000000c80)=[@in={0x10, 0x2, 0xffffffffffffffff, @loopback}, @in={0x10, 0x2, 0xffffffffffffffff, @remote}]}, &(0x7f0000000d00)=0x10)
mkdir(&(0x7f0000000d40)='./file0\x00', 0x0)
r5 = semget(0x3, 0x4, 0x100)
fhopen(&(0x7f0000000dc0)={{[0x7fffffff]}, {0x6, 0x2, "028270ab0c455f281b01d764d57d51d4"}}, 0x80000)
setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x900, 0x0, 0x0)
ksem_open(&(0x7f0000001200), &(0x7f0000001240)='\x00', 0xa00, 0x91, 0x1f)
__semctl$SEM_STAT(r5, 0x2, 0xa, &(0x7f0000001340)=&(0x7f0000001300))

4m15.086618201s ago: executing program 1:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
bindat$unix(0xffffffffffffffff, r0, 0x0, 0x0)
socket$inet_sctp(0x2, 0x0, 0x84)
setsockopt$inet6_sctp_SCTP_EVENTS(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040)={0x69, 0x6, 0x0, 0x40, 0x9, 0xa1, 0x1, 0x3, 0x3f, 0x1, 0x9}, 0xb)
rfork(0x3040)

4m15.072379629s ago: executing program 1:
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r0 = open$dir(0x0, 0x0, 0x0)
mknodat(r0, &(0x7f0000000040)='./file0\x00', 0xc0e99db6de761f86, 0x0)
open$dir(0x0, 0x200, 0x0)
r1 = socket$inet_sctp(0x2, 0x1, 0x84)
sendto$inet(r1, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x10, 0x2, 0x3, @rand_addr=0x2}, 0x10)
recvfrom$inet(r1, 0x0, 0x0, 0x0, 0x0, 0x0)
ksem_open(&(0x7f0000000000), 0x0, 0x200, 0x6c, 0x0)
kmq_open(0x0, 0x200, 0x0, 0x0)
setsockopt$inet_tcp_TCP_FASTOPEN(0xffffffffffffffff, 0x6, 0x469, &(0x7f00000000c0)={0x0, "030000000000000000faffffff3fe500"}, 0x14)
sendto$inet(r1, 0x0, 0x0, 0x20181, 0x0, 0x0)
setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x21, &(0x7f0000000240)={0x0, 0x200}, 0x10)
sendmsg$inet_sctp(r1, 0x0, 0x0)
getresgid(&(0x7f0000000080), &(0x7f0000000200), &(0x7f0000000040))
socket(0x2, 0x1, 0x0)

2m11.064795856s ago: executing program 3:
r0 = socket$inet6_sctp(0x1c, 0x5, 0x84)
r1 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r1, 0x0, 0x0)
dup2(r1, r0)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, &(0x7f0000001700))
ksem_init(&(0x7f0000000000), 0x1000)
r2 = socket(0x1c, 0x1, 0x0)
listen(0xffffffffffffffff, 0x7f)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000280)={'bbr\x00'}, 0x24)
sendto(r2, &(0x7f0000000100)="b9d5cf29033fda9f0d47f14a030000005e2f1027c0", 0x15, 0x100, &(0x7f00000002c0), 0x10)

2m11.057685939s ago: executing program 3:
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
connect$inet(r0, 0x0, 0x0)
socket(0x1c, 0x0, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, 0x0, 0x0)
r1 = socket(0x1c, 0x1, 0x0)
bind$inet6(r1, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00'}, 0x24)
connect$inet6(r1, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)

2m11.050026385s ago: executing program 3:
socket$inet6_sctp(0x1c, 0x5, 0x84)
ksem_init(&(0x7f0000000000), 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000280)={'bbr\x00'}, 0x24)
connect$inet6(0xffffffffffffffff, &(0x7f0000000000)={0x1c, 0x1c, 0x1, 0x0, @local={0xfe, 0x80, '\x00', 0x0}, 0x2}, 0x1c)
sendto(0xffffffffffffffff, &(0x7f0000000100)="b9d5cf29033fda9f0d47f14a030000005e2f1027c0", 0x15, 0x100, &(0x7f00000002c0), 0x10)
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f00000000c0)={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet6_sctp_SCTP_EXPLICIT_EOR(0xffffffffffffffff, 0x84, 0x1b, 0x0, &(0x7f0000000140))
r1 = socket(0x1c, 0x1, 0x0)
setsockopt$sock_int(r1, 0xffff, 0x10000, 0x0, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000180)={'rack\x00'}, 0x24)
setsockopt$sock_int(r1, 0xffff, 0x1002, &(0x7f0000000300)=0x6, 0x4)
bind$inet6(r1, &(0x7f00000001c0)={0x1c, 0x1c, 0x2, 0x0, @rand_addr="5f6b716f28cca1b1f07c18e871eb0476", 0x1ff}, 0x1c)
sendto(r1, 0x0, 0x0, 0x0, &(0x7f0000000340)=@in6={0x1c, 0x1c, 0x2, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}, 0x2}, 0x1c)
flock(0xffffffffffffffff, 0x6)
r2 = socket$inet6_sctp(0x1c, 0x5, 0x84)
getsockopt$inet6_sctp_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1205, &(0x7f0000000000), &(0x7f00000000c0)=0xfdb9)
r3 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r3, 0x6, 0x200, &(0x7f0000000400)=0x6, 0x5b)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r3, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00', 0x8}, 0x24)
recvmsg(r3, &(0x7f0000000ac0)={&(0x7f00000006c0), 0x200, &(0x7f0000000a40), 0x0, &(0x7f0000000380)=""/36, 0x24}, 0x40043)

2m11.040573173s ago: executing program 3:
ksem_close(0x0)
syz_emit_ethernet(0x0, 0x0)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000000180), 0x4)
r0 = vfork()
vfork()
lio_listio(0x0, 0x0, 0x0, &(0x7f0000000200)={0x1, 0x7})
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
connect$inet6(0xffffffffffffffff, &(0x7f0000000180)={0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x1}, 0x1c)
mprotect(&(0x7f0000fed000/0x11000)=nil, 0x11000, 0x0)
lio_listio(0x0, 0x0, 0x0, &(0x7f0000000140)={0x1, 0x19, @sival_ptr=0x4, @tid=r0})
r1 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10)
shutdown(r1, 0x1)
sendmsg$unix(0xffffffffffffffff, &(0x7f0000000d80)={&(0x7f0000000b80)=@file={0xff, 0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00'}, 0xff, &(0x7f0000000580)=[{0x0}], 0x1, &(0x7f0000001f80)=ANY=[@ANYRES32, @ANYBLOB="cba54de843cb07497a13119dfbf1f7dd571651b690c9f0df483ae8f71f242cbf8ae56a8704aa30d594360d62592791c36af7c492196fd600fadd0406284bab3ca7f082f632f9ba87d6521ad7cfc28d36be8565c6dbf3badfdd095399d41adfd1d07f0306eef4328746e3bf6662649b0371dc7815ce84a99ed8759c88cc9eb67660dc55a63bd1527eba80c19f3b07036ca60b07d219e5686c2581a86fc25f7984ec223beb614e637a13fd2d4ef4528b9e5750c12667bfa2b06709e324f91f326c3b5fb10c91e9c48b93bed1dd96e6b1feba2fbc348d1478b8", @ANYBLOB, @ANYRES8, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRESOCT, @ANYRES8, @ANYRES32, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYRESOCT, @ANYRESHEX, @ANYRES16, @ANYRES32=0x0, @ANYRESDEC, @ANYBLOB="9dc084dcaed0a0326a49135b45da34847a07232367a32bb8d12c5f8543cbb7994e945c7e04"], 0xe8}, 0x0)
socket$inet6_sctp(0x1c, 0x0, 0x84)
socket$inet_icmp_raw(0x2, 0x3, 0x1)
r2 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r2, &(0x7f0000000040)={0x10, 0x2, 0x2, @rand_addr=0x5}, 0x10)

2m10.199132179s ago: executing program 3:
socket$inet6_sctp(0x1c, 0x5, 0x84)
ksem_init(&(0x7f0000000000), 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000280)={'bbr\x00'}, 0x24)
connect$inet6(0xffffffffffffffff, &(0x7f0000000000)={0x1c, 0x1c, 0x1, 0x0, @local={0xfe, 0x80, '\x00', 0x0}, 0x2}, 0x1c)
sendto(0xffffffffffffffff, &(0x7f0000000100)="b9d5cf29033fda9f0d47f14a030000005e2f1027c0", 0x15, 0x100, &(0x7f00000002c0), 0x10)
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f00000000c0)={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet6_sctp_SCTP_EXPLICIT_EOR(0xffffffffffffffff, 0x84, 0x1b, 0x0, &(0x7f0000000140))
r1 = socket(0x1c, 0x1, 0x0)
setsockopt$sock_int(r1, 0xffff, 0x10000, 0x0, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000180)={'rack\x00'}, 0x24)
setsockopt$sock_int(r1, 0xffff, 0x1002, &(0x7f0000000300)=0x6, 0x4)
bind$inet6(r1, &(0x7f00000001c0)={0x1c, 0x1c, 0x2, 0x0, @rand_addr="5f6b716f28cca1b1f07c18e871eb0476", 0x1ff}, 0x1c)
sendto(r1, 0x0, 0x0, 0x0, &(0x7f0000000340)=@in6={0x1c, 0x1c, 0x2, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}, 0x2}, 0x1c)
flock(0xffffffffffffffff, 0x6)
r2 = socket$inet6_sctp(0x1c, 0x5, 0x84)
getsockopt$inet6_sctp_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1205, &(0x7f0000000000), &(0x7f00000000c0)=0xfdb9)
r3 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r3, 0x6, 0x200, &(0x7f0000000400)=0x6, 0x5b)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r3, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00', 0x8}, 0x24)
recvmsg(r3, &(0x7f0000000ac0)={&(0x7f00000006c0), 0x200, &(0x7f0000000a40), 0x0, &(0x7f0000000380)=""/36, 0x24}, 0x40043)

2m10.190342858s ago: executing program 3:
r0 = socket$inet_sctp(0x2, 0x0, 0x84)
connect$inet(r0, 0x0, 0x0)
socket(0x1c, 0x0, 0x0)
r1 = socket(0x1c, 0x1, 0x0)
bind$inet6(r1, &(0x7f0000000140)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f00000001c0)={'rack\x00'}, 0x24)
connect$inet6(r1, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)

1.778215006s ago: executing program 0:
ksem_close(0x0)
syz_emit_ethernet(0x0, 0x0)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000000180), 0x4)
r0 = vfork()
vfork()
lio_listio(0x0, 0x0, 0x0, &(0x7f0000000200)={0x1, 0x7})
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
connect$inet6(0xffffffffffffffff, &(0x7f0000000180)={0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x1}, 0x1c)
mprotect(&(0x7f0000fed000/0x11000)=nil, 0x11000, 0x1)
lio_listio(0x0, 0x0, 0x0, &(0x7f0000000140)={0x1, 0x19, @sival_ptr=0x4, @tid=r0})
r1 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10)
shutdown(r1, 0x1)
sendmsg$unix(0xffffffffffffffff, &(0x7f0000000d80)={&(0x7f0000000b80)=@file={0xff, 0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00'}, 0xff, &(0x7f0000000580)=[{0x0}], 0x1, &(0x7f0000001f80)=ANY=[@ANYRES32, @ANYBLOB="cba54de843cb07497a13119dfbf1f7dd571651b690c9f0df483ae8f71f242cbf8ae56a8704aa30d594360d62592791c36af7c492196fd600fadd0406284bab3ca7f082f632f9ba87d6521ad7cfc28d36be8565c6dbf3badfdd095399d41adfd1d07f0306eef4328746e3bf6662649b0371dc7815ce84a99ed8759c88cc9eb67660dc55a63bd1527eba80c19f3b07036ca60b07d219e5686c2581a86fc25f7984ec223beb614e637a13fd2d4ef4528b9e5750c12667bfa2b06709e324f91f326c3b5fb10c91e9c48b93bed1dd96e6b1feba2fbc348d1478b8", @ANYBLOB, @ANYRES8, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRESOCT, @ANYRES8, @ANYRES32, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYRESOCT, @ANYRESHEX, @ANYRES16, @ANYRES32=0x0, @ANYRESDEC, @ANYBLOB="9dc084dcaed0a0326a49135b45da34847a07232367a32bb8d12c5f85"], 0xe8}, 0x0)
socket$inet6_sctp(0x1c, 0x0, 0x84)
socket$inet_icmp_raw(0x2, 0x3, 0x1)
r2 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r2, &(0x7f0000000040)={0x10, 0x2, 0x2, @rand_addr=0x5}, 0x10)

933.177554ms ago: executing program 0:
r0 = vfork()
vfork()
lio_listio(0x0, 0x0, 0x0, &(0x7f0000000200)={0x1, 0x7})
connect$inet6(0xffffffffffffffff, &(0x7f0000000180)={0x1c, 0x1c, 0x2, 0x0, @mcast1}, 0x1c)
mprotect(&(0x7f0000fed000/0x11000)=nil, 0x11000, 0x0)
lio_listio(0x0, 0x0, 0x0, &(0x7f0000000140)={0x1, 0x19, @sival_ptr=0x4, @tid=r0})
r1 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r1, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4)
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10)
shutdown(r1, 0x0)
r2 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r2, &(0x7f0000000040)={0x10, 0x2, 0x2, @rand_addr}, 0x10)

88.588472ms ago: executing program 0:
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x1, 0x84)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r0, 0x6, 0x0, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r0, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r0, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x19d}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214362114349b82946677ddfd142aa6bb617033770a391dbfca5781c270e368983e8716559650762d28e7aa65c9d1c963d21f", 0x62}], 0x2, 0x0, 0x0, 0x81}, 0x0)
socket(0x2, 0x0, 0x0)
r1 = socket$inet_udplite(0x2, 0x2, 0x88)
vfork()
lio_listio(0x0, 0x0, 0x0, &(0x7f00000047c0)={0x1, 0x6})
vfork()
lio_listio(0x0, 0x0, 0x0, &(0x7f0000000040)={0x1, 0xd, @sival_ptr, @spare})
r2 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r2, 0x6, 0x2000, &(0x7f0000000040)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_int(r2, 0x6, 0x41f, &(0x7f0000000100)=0x1, 0x4)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x22, &(0x7f0000000180)=0x5, 0x4)
setsockopt$inet_tcp_int(r2, 0x6, 0x458, &(0x7f0000000080), 0x4)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x448, 0x0, 0x0)
sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x10, 0x2, 0x3, @multicast1}, 0x10)
setsockopt$sock_int(r1, 0xffff, 0x1018, &(0x7f0000000040)=0x28, 0xe9)
sendto(r1, 0x0, 0x0, 0x0, &(0x7f0000001040)=@in={0x10, 0x2, 0x0, @multicast2}, 0x10)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000a40)={'bbr\x00', 0x6}, 0x1e)
connect$inet(0xffffffffffffffff, &(0x7f0000000200)={0x10, 0x2, 0x2, @rand_addr=0x89}, 0x10)
rfork(0x3060)

23.468882ms ago: executing program 0:
ksem_close(0x0)
syz_emit_ethernet(0x0, 0x0)
r0 = vfork()
connect$inet6(0xffffffffffffffff, &(0x7f0000000180)={0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x1}, 0x1c)
mprotect(&(0x7f0000fed000/0x11000)=nil, 0x11000, 0x1)
lio_listio(0x0, 0x0, 0x0, &(0x7f0000000140)={0x1, 0x19, @sival_ptr=0x4, @tid=r0})
r1 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r1, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4)
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10)
shutdown(r1, 0x1)
sendmsg$unix(0xffffffffffffffff, &(0x7f0000000d80)={&(0x7f0000000b80)=@file={0xff, 0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00'}, 0xff, &(0x7f0000000580)=[{0x0}], 0x1, &(0x7f0000001f80)=ANY=[@ANYRES64, @ANYRES32, @ANYBLOB="cba54de843cb07497a13119dfbf1f7dd571651b690c9f0df483ae8f71f242cbf8ae56a8704aa30d594360d62592791c36af7c492196fd600fadd0406284bab3ca7f082f632f9ba87d6521ad7cfc28d36be8565c6dbf3badfdd095399d41adfd1d07f0306eef4328746e3bf6662649b0371dc7815ce84a99ed8759c88cc9eb67660dc55a63bd1527eba80c19f3b07036ca60b07d219e5686c2581a86fc25f7984ec223beb614e637a13fd2d4ef4528b9e5750c12667bfa2b06709e324f91f326c3b5fb10c91e9c48b93bed1dd96e6b1feba2fbc348d1478b8", @ANYBLOB, @ANYRES8, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRESOCT, @ANYRES8, @ANYRES32, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYRESOCT, @ANYRESHEX, @ANYRES16, @ANYRES32=0x0, @ANYRESDEC, @ANYBLOB="9dc084dcaed0a0326a49135b45da34847a0723"], 0xe8}, 0x0)
socket$inet6_sctp(0x1c, 0x5, 0x84)
socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(0xffffffffffffffff, &(0x7f0000000040)={0x10, 0x2, 0x2, @rand_addr=0x5}, 0x10)
r2 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r2, &(0x7f0000000080)={0x10, 0x2, 0x0, @rand_addr=0xb411}, 0x10)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x105, &(0x7f0000000140)={0x1, [0x0]}, &(0x7f0000000100)=0x8)

10.935479ms ago: executing program 0:
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000100)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x451, &(0x7f00000001c0), 0x4)
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
r1 = socket(0x1c, 0x1, 0x0)
setsockopt$inet6_IPV6_HOPOPTS(r1, 0x29, 0x31, &(0x7f00000016c0)=ANY=[@ANYBLOB="0004000000000000040100040100c2"], 0x28)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24)
getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xb, &(0x7f0000000240)={0xd9, 0x2, 0x0, 0x8, 0x3, 0x5, 0x7, 0x4}, &(0x7f0000000280)=0x20)
sendto(r1, 0x0, 0x0, 0x0, &(0x7f0000000080)=@in6={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c)
kqueue()

0s ago: executing program 0:
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$CIOCGSESSION2(0xffffffffffffffff, 0xc040636a, &(0x7f0000000040)={0x29, 0x0, 0x1c, &(0x7f0000000080)="3c022e61792eecb07f8aee18e5aa3505d7dbce4235fc3735fbe8e5aa", 0x0, 0x0, 0x0, 0xfdffffff, [0x8]})
ioctl$CIOCCRYPTAEAD(0xffffffffffffffff, 0xc040636d, &(0x7f0000000280)={0x0, 0x1, 0x0, 0x0, 0x4, 0x8, 0x0, 0x0, &(0x7f0000000140), &(0x7f00000001c0)})
r0 = openat$crypto(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
ioctl$CIOCGSESSION2(r0, 0xc040636a, &(0x7f0000000040)={0x29, 0x0, 0x20, &(0x7f0000000080)="3c022e61792eecb07f8aee18e5aa3505d7dbce4235fc3735fbe8e5aa4f4bb674", 0x0, 0x0, 0x0, 0xfdffffff, [0x8]})
ioctl$CIOCCRYPTAEAD(r0, 0xc040636d, &(0x7f0000000280)={0x0, 0x2, 0x0, 0x0, 0x4, 0x8, 0x0, 0x0, &(0x7f0000000140)="0aa7cf6d2a33f24907bf268c3fc95763d1fae63fd6531a1e5a7fff5b18a3d60bcbdc5f15c1d81487449eea2a9d311622066f8435666192999071a765ed9c342f941d3ba4fa083e4c5618bf", &(0x7f00000001c0), &(0x7f0000000240)})
r1 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x1, 0x0)
ioctl$DIOCCLRIFFLAG(r1, 0xc028445a, &(0x7f0000000080)={0x10, 0x0, 0xa2a, 0x0, 0x9})
connect$inet(0xffffffffffffffff, 0x0, 0x0)
aio_waitcomplete(0x0, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$inet6_sctp(0xffffffffffffffff, &(0x7f0000002080)={&(0x7f0000001e40)=@in6={0x1c, 0x1c, 0x2, 0x0, @ipv4={'\x00', '\xff\xff', @loopback}}, 0x1c, &(0x7f0000002000)}, 0x0)
socket$inet6_sctp(0x1c, 0x1, 0x84)
r2 = socket$inet6_sctp(0x1c, 0x1, 0x84)
r3 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r3, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r3, 0x6, 0x47, &(0x7f0000000040), 0x2)
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)="ca1b3b5c422ca65675e274c429d4ecb6043c5c10548af3499af18ae3b738b9b6b5428e18e8a6f70a1fad05f03388e5d7fcc796fa874a4c850fc114d59d7d095f07c3338b7653ed757e08fc8325e69831de6411138839053b1a7b32636f2e05fcbcada2375bde92ed0ac706042efe8a3bcd095a7ab57ac9ddbdc94f1545f59d15ada6e76061b7834beac7d501f26c2752d451ca96b5f61b24c88865cfe25dfb939a9fcbb9146239110e08576b3ec84e75714e740034e78dba801094faa3edb5774e0c58a39e0a1439a32fb837000000000000800108fcaeec67663ce77bfbc50affa69135c9385cd6d36ff365039a3c5a89a24e3fed7dee1a35513534f7173d892afd3b73f76a08af4f857a1f2674d9ace7647aace412d13afc1ac098fe6f86bfdef411248be5e096c4e747bfdc32a173cf9cdba48cc36819787fb0c8664abba4c4b89301778de04ce183088b220700174ca1107863fc3500214a48fd44cd24da967f302be96774a686a363da73f49978a5a3ae0f0b46ac297bb83d21274e2b92fed3890d878907c57de8e86398ba408a9b79aa3004365e1e50f236b0188652c5", 0x1a0}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214362114349b82946677ddfd142aa6bb617033770a391dbfca5781c270e368983e8716559650762d28e7aa65c9d1c963d21f", 0x62}], 0x2, 0x0, 0x0, 0x81}, 0x0)
r4 = socket(0x2, 0x1, 0x0)
getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r3, 0x84, 0x21, &(0x7f0000001200)={0x4, 0x2010, 0x3, 0x2, <r5=>0x0}, &(0x7f0000001240)=0x10)
getsockopt$inet6_sctp_SCTP_RTOINFO(r2, 0x84, 0x1, &(0x7f0000001280)={r5, 0x7, 0x81, 0x9}, &(0x7f00000012c0)=0x10)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.0.239' (ED25519) to the list of known hosts.
2024/06/26 08:22:42 fuzzer started
2024/06/26 08:22:42 dialing manager at 10.128.0.248:30002
2024/06/26 08:22:42 starting 4 executor processes
Jun 26 08:23:14 ci-freebsd-i386-4 dhclient[1148]: send_packet: No buffer space available
Jun 26 08:23:25 ci-freebsd-i386-4 syslogd: last message repeated 1 times
Jun 26 08:23:32 ci-freebsd-i386-4 kernel: pid 1564 (syz-executor.1), jid 0, uid 0, was killed: exceeded maximum CPU limit
Jun 26 08:23:35 ci-freebsd-i386-4 kernel: pid 1582 (syz-executor.1), jid 0, uid 0, was killed: exceeded maximum CPU limit
Jun 26 08:23:37 ci-freebsd-i386-4 kernel: pid 1604 (syz-executor.1), jid 0, uid 0, was killed: exceeded maximum CPU limit
Jun 26 08:23:40 ci-freebsd-i386-4 dhclient[1148]: send_packet: No buffer space available
Jun 26 08:23:48 ci-freebsd-i386-4 syslogd: last message repeated 1 times
Jun 26 08:24:29 ci-freebsd-i386-4 dhclient[1872]: send_packet: No buffer space available
Jun 26 08:24:59 ci-freebsd-i386-4 syslogd: last message repeated 2 times
Jun 26 08:26:03 ci-freebsd-i386-4 dhclient[3700]: send_packet: No buffer space available
Jun 26 08:26:34 ci-freebsd-i386-4 syslogd: last message repeated 3 times
Jun 26 08:26:44 ci-freebsd-i386-4 syslogd: last message repeated 1 times
Jun 26 08:29:00 ci-freebsd-i386-4 dhclient[1148]: send_packet: No buffer space available
Jun 26 08:29:36 ci-freebsd-i386-4 syslogd: last message repeated 4 times
Jun 26 08:29:55 ci-freebsd-i386-4 syslogd: last message repeated 2 times
Jun 26 08:30:02 ci-freebsd-i386-4 dhclient[1872]: send_packet: No buffer space available
Jun 26 08:30:48 ci-freebsd-i386-4 syslogd: last message repeated 5 times
Jun 26 08:30:58 ci-freebsd-i386-4 syslogd: last message repeated 1 times
Jun 26 08:32:04 ci-freebsd-i386-4 dhclient[3700]: send_packet: No buffer space available
Jun 26 08:32:49 ci-freebsd-i386-4 syslogd: last message repeated 4 times
2024/06/26 08:33:11 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF


FreeBSD/amd64 (ci-freebsd-i386-4.c.syzkaller.internal) (ttyu0)

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