last executing test programs:

12.724069381s ago: executing program 2 (id=3):
socket$inet_sctp(0x2, 0x5, 0x84)
openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140), 0x200, 0x0)
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
open(&(0x7f00000002c0)='.\x00', 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x5, 0x84)
socket$inet(0x2, 0x3, 0x0)
r0 = openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x80000, 0x0)
lchflags(&(0x7f0000000040)='./file0\x00', 0x20004)
open$dir(&(0x7f0000000240)='./file0\x00', 0x40000400000002c2, 0x0)
r1 = open$dir(&(0x7f0000001240)='./file0\x00', 0x40000400000002c2, 0x0)
r2 = open(&(0x7f0000000480)='./file0\x00', 0x4, 0x0)
ftruncate(r2, 0x8001)
copy_file_range(r1, 0x0, r1, &(0x7f0000000180)=0xffff, 0x3ff, 0x0)
preadv(0xffffffffffffffff, 0x0, 0x0, 0x0)
sendmsg$inet6_sctp(0xffffffffffffffff, 0x0, 0x0)
ioctl$FILEMON_SET_PID(r0, 0xc0045302, &(0x7f00000002c0))

12.709928185s ago: executing program 0 (id=1):
bind$inet(0xffffffffffffffff, 0x0, 0x0)
socket$inet_sctp(0x2, 0x1, 0x84)
chroot(0x0)
socket$inet6_sctp(0x1c, 0x5, 0x84)
socket$inet6_sctp(0x1c, 0x0, 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$inet_tcp_int(r0, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r0, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r0, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{0x0}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214362114349b82946677ddfd142aa6bb617033770a391dbfca5781c270e368983e8716559650762d28e7aa65", 0x5c}], 0x2, 0x0, 0x0, 0x81}, 0x0)

12.704734849s ago: executing program 3 (id=4):
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
chroot(0x0)
syz_emit_ethernet(0x5a, 0x0)
setsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x3, &(0x7f0000000340)={0x8003}, 0x8)
connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x3, @rand_addr=0xff}, 0x10)
sendto$inet(r0, 0x0, 0x0, 0x20104, 0x0, 0x0)
socket$inet_sctp(0x2, 0x1, 0x84)
r1 = openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r2 = socket$inet6_sctp(0x1c, 0x1, 0x84)
r3 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r3, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
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, 0xfffffffa, 0xc, 0x9}, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r4, 0x6, 0x43b, &(0x7f0000000040), 0x4)
ioctl$CIOCGSESSION2(r1, 0xc030636a, &(0x7f0000000100)={0x0, 0x18, 0x33, &(0x7f00000000c0)="e8cc745894973b97d85445aeffda53423b0a40eafacd76d00acade0be2214c6a07c431b1655fc3d1e558930b99c6d0816bf832", 0x800, &(0x7f00000001c0)="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", 0x0, 0x5, [0xffffff01, 0xffffff83, 0x7, 0x1f]})
sendto$inet(r4, 0x0, 0x0, 0x180, &(0x7f0000000180)={0x10, 0x2, 0x0, @loopback}, 0x10)

12.674736224s ago: executing program 1 (id=2):
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x23, 0x0, 0x0)
profil(0x0, 0x0, 0x0, 0x0)
r1 = socket$inet_sctp(0x2, 0x1, 0x84)
setsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x3, &(0x7f0000000340)={0x8003}, 0x8)
rfork(0x82040)
sync()
socket$inet6_sctp(0x1c, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x0, 0x84)
r2 = socket$inet_sctp(0x2, 0x5, 0x84)
socket$inet6_sctp(0x1c, 0x0, 0x84)
setsockopt$inet_sctp_SCTP_CONNECT_X(r2, 0x84, 0x8007, &(0x7f0000000240)={0x0, &(0x7f0000000080)=[@in={0x10, 0x2, 0x0, @rand_addr=0x9}, @in6={0x1c, 0x1c, 0x0, 0x4, @local={0xfe, 0x80, '\x00', 0x0}, 0xe}]}, &(0x7f00000002c0)=0x8)
r3 = socket$inet6_sctp(0x1c, 0x5, 0x84)
bind(r3, &(0x7f0000000480)=@in6={0x1c, 0x1c, 0x2, 0x80000000, @remote={0xfe, 0x80, '\x00', 0x0}}, 0x1c)
connect$inet6(r3, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2, 0x0, @loopback}, 0x1c)
sendmsg$inet6_sctp(r3, &(0x7f0000000280)={&(0x7f00000000c0)=@in6={0x1c, 0x1c, 0x0, 0xfffffffe, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0, 0x0, 0x0, 0x0, 0x18c}, 0xd)
socket(0x10, 0x5, 0x9)
r4 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r4, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r4, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r4, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x1a0}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214", 0x31}], 0x2, 0x0, 0x0, 0x81}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000))
connect$inet(r1, &(0x7f0000000140)={0x10, 0x2, 0x3, @rand_addr=0xff}, 0x10)
setsockopt$inet_sctp_SCTP_AUTH_KEY(r4, 0x84, 0x13, &(0x7f0000000400)={0x0, 0x7ff, 0x43, "8ba867996a605572c0975ec898dd1da651e6753b500534b3f62f2c471d2c8dc7640f040c7b6d996aa58df67e1a2c291609aa329b5513c686f7f05cd8fa0caa7755b56e"}, 0x4b)
rfork(0x85000)

11.744303655s ago: executing program 0 (id=5):
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
chmod(&(0x7f00000003c0)='./file0\x00', 0x79)
chdir(&(0x7f0000000240)='./file0\x00')
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x31, &(0x7f0000000180)=ANY=[@ANYRES32, @ANYRESDEC=r0, @ANYRESHEX=r0, @ANYRES32=r0], 0x28)
sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000200)=@in6={0x1c, 0x1c, 0x3, 0x6, @loopback, 0x8}, 0xd)
sendto$inet6(0xffffffffffffffff, &(0x7f0000000340)="ac85355621d8e79b2e229417a9396df6ad566a6a8f12b318badca7dcd3db38634b9087987f919d8f25c203875e2bd8d2d9b675e611f0758e5965face99d070613ade09663e440bb6244a1b90734b2ebff3f52fd7d13b6015db", 0x59, 0x8d, &(0x7f0000000280)={0x1c, 0x1c, 0x0, 0x0, @local={0xfe, 0x80, '\x00', 0x0}, 0x400000}, 0x1c)
r1 = kqueue()
kevent(r1, &(0x7f0000000040)=[{0x0, 0xfffffffffffffff9, 0x9, 0x8, 0xe8c5, 0x0, [0x0, 0x0, 0x7, 0x40000000000000]}], 0x1, 0x0, 0x0, 0x0)
setrlimit(0x0, 0x0)
mlockall(0x0)
setsockopt(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x0, 0x84)
r2 = socket$inet6_sctp(0x1c, 0x1, 0x84)
r3 = socket$inet6_sctp(0x1c, 0x1, 0x84)
connect$inet6(r3, &(0x7f0000002240)={0x1c, 0x1c, 0x3, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c)
r4 = dup2(r3, r2)
setsockopt$inet_sctp_SCTP_AUTH_KEY(r0, 0x84, 0x13, &(0x7f0000000200)=ANY=[@ANYRES32, @ANYRES8=r4], 0x4e)
socket$inet6_sctp(0x1c, 0x5, 0x84)
r5 = dup2(0xffffffffffffffff, r4)
r6 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r6, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
r7 = openat$ptmx(0xffffff9c, &(0x7f00000001c0), 0x800, 0x0)
ioctl$DIOCGETRULESETS(r7, 0xc444443a, &(0x7f0000000780))
setsockopt$inet_tcp_int(r6, 0x6, 0x1, &(0x7f0000000640)=0x10000007, 0x4)
connect$inet(r6, &(0x7f00000000c0)={0x10, 0x2, 0x3}, 0x10)
ioctl$BIOCIMMEDIATE(r5, 0x80044270, &(0x7f0000000000)=0xfff)
sendmsg$inet6_sctp(r6, &(0x7f00000002c0)={&(0x7f0000000300)=@in={0x10, 0x2, 0x2, @multicast1}, 0x10, &(0x7f0000000100)=[{&(0x7f0000000400)="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", 0x21c}], 0x1, 0x0, 0x0, 0x189}, 0x20008)

11.233462836s ago: executing program 1 (id=6):
setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f00000004c0)={0x0, 0x10, 0x5, 0x4}, 0x10)
openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140), 0x200, 0x0)
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
open(&(0x7f00000002c0)='.\x00', 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x5, 0x84)
socket$inet(0x2, 0x3, 0x0)
r0 = openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x80000, 0x0)
lchflags(&(0x7f0000000040)='./file0\x00', 0x20004)
open$dir(&(0x7f0000000240)='./file0\x00', 0x40000400000002c2, 0x0)
r1 = open$dir(&(0x7f0000001240)='./file0\x00', 0x40000400000002c2, 0x0)
r2 = open(&(0x7f0000000480)='./file0\x00', 0x4, 0x0)
ftruncate(r2, 0x8001)
copy_file_range(r1, 0x0, r1, &(0x7f0000000180)=0xffff, 0x3ff, 0x0)
preadv(0xffffffffffffffff, 0x0, 0x0, 0x0)
sendmsg$inet6_sctp(0xffffffffffffffff, 0x0, 0x0)
ioctl$FILEMON_SET_PID(r0, 0xc0045302, &(0x7f00000002c0))

11.125959897s ago: executing program 3 (id=7):
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
chroot(0x0)
syz_emit_ethernet(0x5a, 0x0)
setsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x3, &(0x7f0000000340)={0x8003}, 0x8)
connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x3, @rand_addr=0xff}, 0x10)
sendto$inet(r0, 0x0, 0x0, 0x20104, 0x0, 0x0)
socket$inet_sctp(0x2, 0x1, 0x84)
r1 = openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r2 = socket$inet6_sctp(0x1c, 0x1, 0x84)
r3 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r3, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
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, 0xfffffffa, 0xc, 0x9}, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r4, 0x6, 0x43b, &(0x7f0000000040), 0x4)
ioctl$CIOCGSESSION2(r1, 0xc030636a, &(0x7f0000000100)={0x0, 0x18, 0x33, &(0x7f00000000c0)="e8cc745894973b97d85445aeffda53423b0a40eafacd76d00acade0be2214c6a07c431b1655fc3d1e558930b99c6d0816bf832", 0x800, &(0x7f00000001c0)="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", 0x0, 0x5, [0xffffff01, 0xffffff83, 0x7, 0x1f]})
sendto$inet(r4, 0x0, 0x0, 0x180, &(0x7f0000000180)={0x10, 0x2, 0x0, @loopback}, 0x10)

10.876702802s ago: executing program 0 (id=8):
r0 = socket(0x1c, 0x5, 0x0)
close(r0)
r1 = socket(0x2, 0x1, 0x0)
sendmsg$inet6_sctp(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000040)=@in6={0x1c, 0x1c, 0x1, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0, 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB, @ANYRES32=0x0, @ANYBLOB="1c000000840000000a0000181df90b00000000000000000000000001100000008400000000004000000200002c00000084"], 0xec}, 0x0)
sendmsg$inet6_sctp(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_int(r1, 0x6, 0x22, &(0x7f00000003c0)=0x3, 0x4)
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10)
open$dir(&(0x7f0000000240)='./file0\x00', 0x40000400000002c2, 0x0)
pwritev(0xffffffffffffffff, &(0x7f0000000080)=[{0x0}], 0x1, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x103, &(0x7f00000006c0)={0x0, 0x17, "10ecf5c3bc71a415e3c22a78c7da0fccdf4412a10958d0"}, 0x0)

10.133283609s ago: executing program 3 (id=9):
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x23, 0x0, 0x0)
profil(0x0, 0x0, 0x0, 0x0)
r1 = socket$inet_sctp(0x2, 0x1, 0x84)
setsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x3, &(0x7f0000000340)={0x8003}, 0x8)
rfork(0x82040)
sync()
socket$inet6_sctp(0x1c, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x0, 0x84)
r2 = socket$inet_sctp(0x2, 0x5, 0x84)
socket$inet6_sctp(0x1c, 0x0, 0x84)
setsockopt$inet_sctp_SCTP_CONNECT_X(r2, 0x84, 0x8007, &(0x7f0000000240)={0x0, &(0x7f0000000080)=[@in={0x10, 0x2, 0x0, @rand_addr=0x9}, @in6={0x1c, 0x1c, 0x0, 0x4, @local={0xfe, 0x80, '\x00', 0x0}, 0xe}]}, &(0x7f00000002c0)=0x8)
r3 = socket$inet6_sctp(0x1c, 0x5, 0x84)
bind(r3, &(0x7f0000000480)=@in6={0x1c, 0x1c, 0x2, 0x80000000, @remote={0xfe, 0x80, '\x00', 0x0}}, 0x1c)
connect$inet6(r3, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2, 0x0, @loopback}, 0x1c)
sendmsg$inet6_sctp(r3, &(0x7f0000000280)={&(0x7f00000000c0)=@in6={0x1c, 0x1c, 0x0, 0xfffffffe, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000100)="d9f2a0c55690d847400e9dc30ff9f58c0c4ba3a3281b", 0x16}, {&(0x7f0000000300)="3634fb0c67dc3430f85536d1b958467de732e3d6779a8f56730a319e83cf5a37810dfe3727bc6fec311275a86ba13dbb0cc600628e5d2cc51d3084194c11b76aa054059fb977c24ff336f5332b4c7cf50288c8b77bfcbb3b10adba45189c27844797c73a4a0b015f41479f305dbeb8cd8b2d66c15b17c16da5e60c5c52448d491be46f1a7f7998b1e7ca703ef4adf44859c3344a7ebb7d0ece986878d487e43e5cb9", 0xa2}], 0x2, 0x0, 0x0, 0x18c}, 0xd)
socket(0x10, 0x5, 0x9)
r4 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r4, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r4, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r4, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x1a0}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214", 0x31}], 0x2, 0x0, 0x0, 0x81}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000))
connect$inet(r1, &(0x7f0000000140)={0x10, 0x2, 0x3, @rand_addr=0xff}, 0x10)
setsockopt$inet_sctp_SCTP_AUTH_KEY(r4, 0x84, 0x13, &(0x7f0000000400)={0x0, 0x7ff, 0x43, "8ba867996a605572c0975ec898dd1da651e6753b500534b3f62f2c471d2c8dc7640f040c7b6d996aa58df67e1a2c291609aa329b5513c686f7f05cd8fa0caa7755b56e"}, 0x4b)
rfork(0x85000)

6.36809736s ago: executing program 3 (id=10):
setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f00000004c0)={0x0, 0x10, 0x5, 0x4}, 0x10)
openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140), 0x200, 0x0)
openat$crypto(0xffffffffffffff9c, 0x0, 0x0, 0x0)
open(&(0x7f00000002c0)='.\x00', 0x0, 0x0)
socket$inet6_sctp(0x1c, 0x5, 0x84)
socket$inet(0x2, 0x3, 0x0)
r0 = openat$filemon(0xffffffffffffff9c, &(0x7f0000000100), 0x80000, 0x0)
lchflags(&(0x7f0000000040)='./file0\x00', 0x20004)
open$dir(&(0x7f0000000240)='./file0\x00', 0x40000400000002c2, 0x0)
r1 = open$dir(&(0x7f0000001240)='./file0\x00', 0x40000400000002c2, 0x0)
r2 = open(&(0x7f0000000480)='./file0\x00', 0x4, 0x0)
ftruncate(r2, 0x8001)
copy_file_range(r1, 0x0, r1, &(0x7f0000000180)=0xffff, 0x3ff, 0x0)
preadv(0xffffffffffffffff, 0x0, 0x0, 0x0)
sendmsg$inet6_sctp(0xffffffffffffffff, 0x0, 0x0)
ioctl$FILEMON_SET_PID(r0, 0xc0045302, &(0x7f00000002c0))

6.367324321s ago: executing program 0 (id=11):
open(0x0, 0x400000, 0x0)
socket(0x1c, 0x1, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)
ioctl$DIOCRINADEFINE(0xffffffffffffffff, 0xc450444d, 0x0)
open$dir(&(0x7f0000000800)='./file0\x00', 0x400, 0xd0)
connect$inet(0xffffffffffffffff, &(0x7f0000000000)={0x10, 0x2, 0x3, @loopback}, 0x10)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4)
connect$inet(r0, &(0x7f0000000240)={0xa, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0xffff, 0x4)
sendto(r0, &(0x7f0000000840)="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", 0x2aa, 0x104, &(0x7f0000000680)=@un=@file={0xa, 0x1, './file0\x00'}, 0xa)

3.940842262s ago: executing program 0 (id=12):
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
connect$inet(r0, &(0x7f0000000140)={0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}, 0x10)
getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x23, 0x0, 0x0)
profil(0x0, 0x0, 0x0, 0x0)
r1 = socket$inet_sctp(0x2, 0x1, 0x84)
setsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x3, &(0x7f0000000340)={0x8003}, 0x8)
rfork(0x82040)
sync()
socket$inet6_sctp(0x1c, 0x0, 0x84)
socket$inet6_sctp(0x1c, 0x0, 0x84)
r2 = socket$inet_sctp(0x2, 0x5, 0x84)
socket$inet6_sctp(0x1c, 0x0, 0x84)
setsockopt$inet_sctp_SCTP_CONNECT_X(r2, 0x84, 0x8007, &(0x7f0000000240)={0x0, &(0x7f0000000080)=[@in={0x10, 0x2, 0x0, @rand_addr=0x9}, @in6={0x1c, 0x1c, 0x0, 0x4, @local={0xfe, 0x80, '\x00', 0x0}, 0xe}]}, &(0x7f00000002c0)=0x8)
r3 = socket$inet6_sctp(0x1c, 0x5, 0x84)
bind(r3, &(0x7f0000000480)=@in6={0x1c, 0x1c, 0x2, 0x80000000, @remote={0xfe, 0x80, '\x00', 0x0}}, 0x1c)
connect$inet6(r3, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2, 0x0, @loopback}, 0x1c)
sendmsg$inet6_sctp(r3, &(0x7f0000000280)={&(0x7f00000000c0)=@in6={0x1c, 0x1c, 0x0, 0xfffffffe, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000100)="d9f2a0c55690d847400e9dc30ff9f58c0c4ba3a3281b", 0x16}, {&(0x7f0000000300)="3634fb0c67dc3430f85536d1b958467de732e3d6779a8f56730a319e83cf5a37810dfe3727bc6fec311275a86ba13dbb0cc600628e5d2cc51d3084194c11b76aa054059fb977c24ff336f5332b4c7cf50288c8b77bfcbb3b10adba45189c27844797c73a4a0b015f41479f30", 0x6c}], 0x2, 0x0, 0x0, 0x18c}, 0xd)
socket(0x10, 0x5, 0x9)
r4 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r4, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(r4, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
connect$inet(r4, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10)
sendmsg$inet6_sctp(r4, &(0x7f00000002c0)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @multicast2}, 0x10, &(0x7f0000000100)=[{&(0x7f00000005c0)="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", 0x1a0}, {&(0x7f0000000380)="4770080000004be1789c08aeb40d0c8246c862f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214", 0x31}], 0x2, 0x0, 0x0, 0x81}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000))
connect$inet(r1, &(0x7f0000000140)={0x10, 0x2, 0x3, @rand_addr=0xff}, 0x10)
setsockopt$inet_sctp_SCTP_AUTH_KEY(r4, 0x84, 0x13, &(0x7f0000000400)={0x0, 0x7ff, 0x43, "8ba867996a605572c0975ec898dd1da651e6753b500534b3f62f2c471d2c8dc7640f040c7b6d996aa58df67e1a2c291609aa329b5513c686f7f05cd8fa0caa7755b56e"}, 0x4b)
rfork(0x85000)

0s ago: executing program 0 (id=15):
r0 = socket(0x1c, 0x5, 0x0)
close(r0)
r1 = socket(0x2, 0x1, 0x0)
sendmsg$inet6_sctp(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000040)=@in6={0x1c, 0x1c, 0x1, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0, 0x0, &(0x7f0000000200)=ANY=[@ANYRES32=0x0, @ANYBLOB="1c000000840000000a0000181df90b00000000000000000000000001100000008400000000004000000200002c00000084"], 0xec}, 0x0)
sendmsg$inet6_sctp(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_int(r1, 0x6, 0x22, &(0x7f00000003c0)=0x3, 0x4)
connect$inet(r1, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10)
open$dir(&(0x7f0000000240)='./file0\x00', 0x40000400000002c2, 0x0)
pwritev(0xffffffffffffffff, &(0x7f0000000080)=[{0x0}], 0x1, 0x0)
getsockopt$inet6_sctp_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x103, &(0x7f00000006c0)={0x0, 0x17, "10ecf5c3bc71a415e3c22a78c7da0fccdf4412a10958d0"}, 0x0)

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.1.224' (ED25519) to the list of known hosts.
if_delmulti_locked: detaching ifnet instance 0xfffffe005421f000
if_delmulti_locked: detaching ifnet instance 0xfffffe005421f000
if_delmulti_locked: detaching ifnet instance 0xfffffe005421f000
if_delmulti_locked: detaching ifnet instance 0xfffffe005421f000
if_delmulti_locked: detaching ifnet instance 0xfffffe005421f000
if_delmulti_locked: detaching ifnet instance 0xfffffe005421f000
Expensive callout(9) function: 0xffffffff84577750(0xfffffe0074dea3e0) 0.007416909 s
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)

Stopping cron.
set $lines = 0
set $maxwidth = 0
Stopping sshd.
show registers
show proc
ps
show all locks
show malloc
show uma
serialport: VM disconnected.