# https://syzkaller.appspot.com/bug?id=b23d95999136f86da560efe4adcfef2381a3b584
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{Threaded:true Collide:true Repeat:true Procs:1 Sandbox: Fault:false FaultCall:-1 FaultNth:0 EnableTun:false UseTmpDir:true HandleSegv:false WaitRepeat:false Debug:false Repro:false}
mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f0000bb8000)="6e65742f6970365f6d725f636163686500")
pread64(r0, &(0x7f0000caf000-0x85)="00000000000000000000000000000000000000000000000000000000", 0x1c, 0x4c)
getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000c95000)={0x8, 0x3, 0x8008, 0x4, 0x80000000, 0xfffffffffffffff9, 0x101, 0x80000000, <r1=>0x0}, &(0x7f0000004000-0x4)=0x20)
setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000a21000-0x6)={r1, 0x8}, 0x6)
r2 = socket$inet6(0xa, 0x2, 0x0)
setsockopt$inet6_MRT6_ADD_MFC_PROXY(r2, 0x29, 0xd2, &(0x7f00006a5000-0x5c)={{0xa, 0x0, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0xaa}, 0x0}, {0xa, 0x0, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x0}, 0x0, [0xf67, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x5c)