# https://syzkaller.appspot.com/bug?id=b6aff64ebd79a1ee5ee7e787ca5b8673ba722226
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"threaded":true,"collide":true,"repeat":true,"procs":4,"slowdown":1,"sandbox":"none","fault_call":-1,"close_fds":false,"tmpdir":true,"segv":true}
setsockopt$inet_tcp_TCP_FUNCTION_BLK(0xffffffffffffffff, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24)
setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4)
sendmsg$inet6_sctp(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x1, 0x0)
r0 = socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet6(r0, &(0x7f0000000000)={0x1c, 0x1c, 0x1, 0xa1, @rand_addr="d44ee6f4b527bc132053140c9b84404c"}, 0x1c)
r1 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_group_source_req(r1, 0x29, 0x54, &(0x7f0000000240)={0x6, {{0x1c, 0x1c, 0x1, 0x16d100, @ipv4={'\x00', '\xff\xff', @rand_addr=0x80000000}, 0x7}}, {{0x1c, 0x1c, 0x2, 0x9, @empty, 0x1}}}, 0x108)
bind(r1, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x2, 0x0, @empty}, 0x1c)
r2 = openat(0xffffffffffffffff, &(0x7f00000004c0)='./file0\x00', 0x4, 0x46)
sendmsg$inet6_sctp(r2, &(0x7f0000000b00)={&(0x7f0000000500)=@in6={0x1c, 0x1c, 0x0, 0x16, @local={0xfe, 0x80, '\x00', 0x0}, 0x5}, 0x1c, 0x0}, 0x0)
setsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x1203, 0x0, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0x1c, 0x1c, 0x2, 0x0, @loopback}, 0x1c)
sendto$inet6(r1, &(0x7f0000000100), 0x0, 0x1, &(0x7f0000000180)={0x1c, 0x1c, 0x3, 0x80000000, @remote={0xfe, 0x80, '\x00', 0x0}, 0x1}, 0x1c)
setsockopt$inet6_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x903, 0x0, 0x0)