# https://syzkaller.appspot.com/bug?id=b419a5ca95062664fe1a60b764621eb4526e2cd0
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"procs":1,"sandbox":"","fault_call":-1,"close_fds":false}
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun\x00', 0x88002, 0x0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
r2 = dup2(r1, r1)
setsockopt$IPT_SO_SET_REPLACE(r2, 0x0, 0x40, &(0x7f00000009c0)=@mangle={'mangle\x00', 0x1f, 0x6, 0x3b0, 0x0, 0x0, 0x280, 0x280, 0x0, 0x318, 0x318, 0x318, 0x318, 0x318, 0x6, 0x0, {[{{@uncond, 0x0, 0x70, 0x98}, @TTL={0x28, 'TTL\x00'}}, {{@uncond, 0x0, 0x70, 0x98}, @unspec=@CHECKSUM={0x28, 'CHECKSUM\x00'}}, {{@ip={@multicast2, @local, 0x0, 0x0, '\x00', 'erspan0\x00'}, 0x0, 0x70, 0xb8}, @common=@inet=@TEE={0x48, 'TEE\x00', 0x1, {@ipv6=@mcast2, 'gre0\x00'}}}, {{@uncond, 0x0, 0x70, 0x98}, @inet=@DSCP={0x28, 'DSCP\x00'}}, {{@uncond, 0x0, 0x70, 0x98}, @TTL={0x28, 'TTL\x00', 0x0, {0x2, 0x2}}}], {{[], 0x0, 0x70, 0x98}, {0x28}}}}, 0x410)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller1\x00', 0x420000015001})
r3 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_inet_SIOCSIFADDR(r3, 0x8914, &(0x7f0000000140)={'syzkaller1\x00', {0x7, 0x0, @loopback}})
write$tun(r0, &(0x7f00000000c0)={@void, @val={0x3, 0x0, 0x0, 0x0, 0xe0}, @ipv4=@icmp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @address_reply={0x16}}}, 0xfdef)