# https://syzkaller.appspot.com/bug?id=4f5b71612ca24f1c814f1413a8022656c4cae691 # See https://goo.gl/kgGztJ for information about syzkaller reproducers. #{Threaded:false Collide:false Repeat:false Procs:1 Sandbox: Fault:false FaultCall:-1 FaultNth:0 EnableTun:false UseTmpDir:false HandleSegv:false WaitRepeat:false Debug:false Repro:false} mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x1, 0x0) r1 = syz_open_dev$tun(&(0x7f0000c55000)='/dev/net/tun\x00', 0x0, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) r3 = socket(0x2000000011, 0x8000000080003, 0x6) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000928000-0x28)={@syzn={0x73, 0x79, 0x7a, 0x0, 0x0}, @ifru_settings={0x5, 0x0, @sync=&(0x7f00001a4000-0xc)={0x0, 0x0, 0x0}}}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000630000-0x20)={@syzn={0x73, 0x79, 0x7a, 0x0, 0x0}, @ifru_flags=0x20301}) setsockopt$packet_int(r3, 0x107, 0xf, &(0x7f0000113000)=0x1000, 0x4) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000b13000)={@syzn={0x73, 0x79, 0x7a, 0x0, 0x0}, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) bind$packet(r3, &(0x7f0000c85000)={0x11, 0x0, r4, 0x1, 0x0, 0x6, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x0}, [0x0, 0x0]}, 0x14) dup2(r3, r2) write$tun(r2, &(0x7f00004f0000)=@hdr={0x0, 0x4, 0x0, 0x3, 0x0, 0x0, @ipv6={0x0, 0x6, "356d06", 0x10, 0x0, 0x0, @loopback={0x0, 0x1}, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0xaa}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "80005e", 0x0, "aa90f7"}, ""}}}}, 0x42)