# https://syzkaller.appspot.com/bug?id=fae524da29ebbb4826b067bf3b14a7edde6baa7c
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"procs":1,"slowdown":1,"sandbox":"none","sandbox_arg":0,"netdev":true,"close_fds":false,"callcomments":true}
r0 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r0, 0x0)
setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000400)={0x6, {{0xa, 0x4e20, 0x2, @mcast1, 0x3ff}}}, 0x88)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000280)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sendmsg$inet(r2, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x0)
recvmsg$unix(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000080), 0x100}, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
sendmsg$inet(r4, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0)
recvmsg$unix(r3, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000080), 0x100}, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={<r5=>0xffffffffffffffff, <r6=>0xffffffffffffffff})
sendmsg$inet(r6, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0)
recvmsg$unix(r5, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f00000002c0), 0x100}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={<r7=>0xffffffffffffffff, <r8=>0xffffffffffffffff})
sendmsg$inet(r8, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0)
recvmsg(r7, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001dc0)=""/4096, 0x1000}, 0x0)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000200)={<r9=>0x0, 0x10, &(0x7f00000001c0)=[@in={0x2, 0x4e23, @rand_addr=0x64010100}]}, &(0x7f0000000140)=0x10)
getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x7a, &(0x7f0000000340)={r9, @in6={{0xa, 0x3, 0x4, @mcast1}}}, &(0x7f0000000040)=0x84)