# https://syzkaller.appspot.com/bug?id=a1f5816d285b5e610d7d7f9b04bcfb9732fdc5ef
# 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)="2f6465762f6e65742f74756e00", 0x0, 0x0)
r2 = fcntl$dupfd(r1, 0x0, r1)
r3 = socket(0x2000000011, 0x8000000080003, 0x0)
setsockopt$packet_buf(r3, 0x107, 0xf, &(0x7f0000176000)="6b64b22e", 0x4)
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})
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000b13000)={@syzn={0x73, 0x79, 0x7a, 0x0, 0x0}, <r4=>0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]})
bind$packet(r3, &(0x7f0000c85000)={0x11, 0x0, r4, 0x1, 0x0, 0x6, @remote={[0xbb, 0xbb, 0xbb, 0xbb, 0xbb], 0x0}, [0x0, 0x0]}, 0x14)
dup2(r3, r2)
write$tun(r2, &(0x7f00005c2000)=@hdr={0x0, 0x1, 0x101, 0x7f, 0x3, 0x40, @ipv6={0xd2ce, 0x6, "6d4f70", 0x160, 0x0, 0x3, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0xaa}, @loopback={0x0, 0x1}, {[@routing={0xff, 0x6, 0x0, 0x4, 0x4, [@loopback={0x0, 0x1}, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0xbb}, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0xbb}]}, @hopopts={0x2c, 0x20, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0], [{0x7, 0x0, ""}, {0x0, 0x0, ""}, {0x7, 0x0, ""}, {0x7, 0x0, ""}, {0xff, 0x0, ""}, {0xc2, 0xf6, "9a682c600a475f82e39f76027b8684f460bd7bc37e687d7783963bec69a9a4a0c3b25645435fb67179edbeabf55ff78daf92d3d9937723af32b0e9fd28f83c6ad29908d48377771c4a6b45eeadd20910121933f701935880dcd79e22dffe8529d228798efe3f0fef2fd82a50fb139ed97676372428a965029069de7b81c67f68290c4f2ab778b9e810cbe55c2f5a40467a18bc090bc65d897b74748e63fe9101ec2983c7afc3a03029c3d2f8b65250148cbd65e7dd4a6bba1706c1674405e85c0748ac581b5328a19af5e975d6edd9737917646fe3fd0c47414924a00700ab21401cfc005f4e3a867219a22b53c0a0e77f238e1313e4"}, {0xc2, 0x0, ""}]}, @fragment={0x37, 0x1, 0xd4, 0x2, 0x10001, 0x8, 0x1}], @dccp={{0x0, 0x0, 0x4, 0x1, 0x9, 0x0, 0x0, 0x7, 0x1, "ec4247", 0x6, "22a081"}, ""}}}}, 0x192)