r0 = syz_io_uring_setup(0x1c28, &(0x7f00000002c0), &(0x7f00000a0000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000200)=<r1=>0x0, &(0x7f0000000180)=<r2=>0x0)
syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x9, 0x0, &(0x7f00000008c0)=[{&(0x7f0000000340)=""/142, 0x8e}], 0x1}, 0x0)
syz_io_uring_setup(0x1f8, &(0x7f0000000680), &(0x7f0000fee000/0x4000)=nil, &(0x7f0000fec000/0x14000)=nil, 0x0, 0x0)
pipe2(&(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff}, 0x0)
pipe2(&(0x7f0000000240), 0x80800)
r4 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_int(r4, 0x6, 0x0, &(0x7f0000000040), 0x4)
r5 = mmap$IORING_OFF_SQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x100000e, 0x13, r0, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDEL6RD(0xffffffffffffffff, 0x89fa, &(0x7f0000002980)={'sit0\x00', &(0x7f0000002900)={'ip6_vti0\x00', <r6=>0x0, 0x2f, 0x6, 0x1f, 0x5, 0x40, @dev={0xfe, 0x80, '\x00', 0x11}, @rand_addr=' \x01\x00', 0x40, 0x10, 0x2, 0x80}})
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x48ed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
syz_io_uring_submit(r5, r2, &(0x7f0000000100)=@IORING_OP_ACCEPT={0xd, 0x3, 0x0, 0xffffffffffffffff, 0x0}, 0x8001)
io_uring_enter(r0, 0x58ab, 0x0, 0x0, 0x0, 0x0)
r7 = pidfd_getfd(r3, 0xffffffffffffffff, 0x0)
ioctl$sock_ipv6_tunnel_SIOCCHG6RD(0xffffffffffffffff, 0x89fb, &(0x7f0000002b00)={'ip6tnl0\x00', &(0x7f0000002a80)={'syztnl2\x00', <r8=>r6, 0x29, 0x1, 0x0, 0x4, 0x0, @local, @private1={0xfc, 0x1, '\x00', 0x1}, 0x8, 0x7800, 0x9, 0x2}})
ioctl$sock_ipv6_tunnel_SIOCDEL6RD(r7, 0x89fa, &(0x7f0000002bc0)={'ip6_vti0\x00', &(0x7f0000002b40)={'syztnl0\x00', r8, 0x29, 0x1, 0x4, 0xff, 0x17, @dev={0xfe, 0x80, '\x00', 0x15}, @rand_addr=' \x01\x00', 0x7, 0x20, 0x5, 0x68}})