# https://syzkaller.appspot.com/bug?id=3f6c70ee6066cfa94db4f56c72660921c8bb6965 # 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(&(0x7f0000642000-0xd)='/dev/net/tun\x00', 0x0, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) r3 = socket(0x10002000000011, 0x8000000080003, 0x8) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000928000-0x28)={@syzn={0x73, 0x79, 0x7a, 0x0, 0x0}, @ifru_settings={0x5, 0x0, @sync=&(0x7f0000c15000)={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$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f000086d000)={@syzn={0x73, 0x79, 0x7a, 0x0, 0x0}, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) bind$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, &(0x7f0000fed000-0xd5)=@hdr={0x0, 0x1, 0x0, 0x8, 0x0, 0x0, @ipv4={{0x5, 0x4, 0x0, 0x0, 0xc4, 0x0, 0x0, 0x0, 0x800000000029, 0x0, @multicast1=0xe0000001, @local={0xac, 0x14, 0x0, 0xaa}, {[]}}, @icmp=@redirect={0x5, 0x1, 0x0, @loopback=0x7f000001, {0x2a, 0x4, 0x3, 0xa43, 0x100000001, 0x1, 0x6, 0x9, 0x89, 0x1ffe00000000, @local={0xac, 0x14, 0x0, 0xaa}, @loopback=0x7f000001, {[@timestamp={0x44, 0x10, 0x44c, 0x3, 0x1, [{[@rand_addr=0x1], 0x9}, {[], 0xea41}]}, @noop={0x1}, @timestamp={0x44, 0x44, 0x8, 0x0, 0xfff, [{[@loopback=0x7f000001], 0x3}, {[@loopback=0x7f000001], 0x9}, {[@multicast2=0xe0000002], 0x3}, {[], 0x7e4}, {[@multicast1=0xe0000001], 0x8}, {[@empty=0x0], 0x6be400000}, {[@empty=0x0], 0x3}, {[], 0x6}, {[@remote={0xac, 0x14, 0x0, 0xbb}], 0x6}]}, @ssrr={0x89, 0x7, 0x81, [@rand_addr=0x4]}, @rr={0x7, 0x13, 0x79e1, [@empty=0x0, @multicast2=0xe0000002, @rand_addr=0x3f, @empty=0x0]}, @timestamp={0x44, 0x1c, 0x8000, 0x3, 0x7, [{[@multicast1=0xe0000001], 0x20}, {[@multicast2=0xe0000002], 0x1}, {[@broadcast=0xffffffff], 0x8}]}, @noop={0x1}, @ra={0x94, 0x6, 0x8000}]}}, ""}}}, 0xce)