# https://syzkaller.appspot.com/bug?id=4f3a544c4a1f113216b11517018d36d2007c85d6
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"threaded":true,"repeat":true,"procs":6,"sandbox":"","fault_call":-1,"close_fds":false,"tmpdir":true}
unshare(0x40000000)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000003, 0x10, 0xffffffffffffffff, 0x0)
ioctl$TUNSETQUEUE(0xffffffffffffffff, 0x400454d9, &(0x7f0000000180)={'vcan0\x00', 0x200})
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000240)={0xffffffffffffffff, &(0x7f0000000440), &(0x7f0000000540)=""/160}, 0x20)
getsockopt$inet_tcp_buf(r0, 0x6, 0x1a, 0x0, &(0x7f0000000400))
ioctl$sock_inet_SIOCDELRT(0xffffffffffffffff, 0x890c, &(0x7f0000000280)={0x0, {0x2, 0x4e22, @loopback}, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x17}}, {0x2, 0x4e24, @private=0xa010101}, 0x201, 0x0, 0x0, 0x0, 0x5, &(0x7f00000003c0)='ip6gretap0\x00', 0x0, 0x3})
setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0xc8, 0x0, 0x0)
setsockopt$inet6_MRT6_ADD_MFC(0xffffffffffffffff, 0x29, 0xcc, &(0x7f0000000000)={{0xa, 0x4e24, 0x3a, @loopback, 0x3f}, {0xa, 0x4e24, 0x0, @mcast1, 0x3ff}, 0x7, [0x9, 0x2, 0x1, 0x1, 0x4d0e, 0x800, 0x8, 0x8ab4]}, 0x5c)
setsockopt$inet6_MRT6_ADD_MFC_PROXY(0xffffffffffffffff, 0x29, 0xd2, &(0x7f0000000300)={{0xa, 0xce21, 0xfffffffc, @mcast1, 0x916d}, {0xa, 0x4e23, 0x8651, @mcast2, 0x7}, 0x0, [0x0, 0x0, 0x81, 0x8, 0x90000, 0x1, 0xfffffffc, 0x8000000]}, 0x5c)
setsockopt$inet6_MRT6_ADD_MFC(0xffffffffffffffff, 0x29, 0xc9, 0x0, 0x0)