syz_open_procfs$userns(0xffffffffffffffff, &(0x7f0000000200)) r0 = socket$inet(0x2, 0xa, 0x0) perf_event_open(&(0x7f0000001d80)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4307, 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) r1 = accept4(r0, &(0x7f0000000240)=@x25={0x9, @remote}, &(0x7f00000002c0)=0x80, 0x80000) fcntl$dupfd(r0, 0x406, r1) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0xa, &(0x7f0000000080)=0x90, 0x4) bind$inet6(r2, &(0x7f0000000140)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c) setsockopt$sock_timeval(r2, 0x1, 0x43, &(0x7f0000000040)={0x0, 0xea60}, 0x10) connect$inet6(r2, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @empty}, 0x1c) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f00000000c0)=0x6, 0x4) sendmsg$inet6(r2, &(0x7f00000006c0)={0x0, 0x31, &(0x7f0000000540)=[{&(0x7f0000000100)=':\x00', 0xfffffdef}], 0x1}, 0x10044001) eventfd(0x0)