======================================
| 0
| xx__-> [  204.684011][ T3695] ip_local_port_range: prefer different parity for start/end values.
| [  205.214357][ T3717] BUG: using __this_cpu_write() in preemptible [00000000] code: socat/3717
| [  205.215011][ T3717] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  205.215241][ T3717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  205.215243][ T3717] Call Trace:
[  205.215244][ T3717]  <TASK>
[  205.215246][ T3717]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  205.215253][ T3717]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  205.215258][ T3717]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  205.215260][ T3717]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  205.215263][ T3717]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  205.215270][ T3717]  release_sock (net/core/sock.c:3815)
[  205.215273][ T3717]  inet_stream_connect (net/ipv4/af_inet.c:756)
[  205.215277][ T3717]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  205.215279][ T3717]  ? do_fcntl (fs/fcntl.c:477)
[  205.215284][ T3717]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  205.215290][ T3717]  ? audit_reset_context.part.0.constprop.0 (kernel/auditsc.c:1024)
[  205.215296][ T3717]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  205.215298][ T3717]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  205.215301][ T3717]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  205.215304][ T3717]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  205.215307][ T3717] RIP: 0033:0x7f437381b08e
[  205.215311][ T3717] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  205.215312][ T3717] RSP: 002b:00007fffe6351e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  205.215317][ T3717] RAX: ffffffffffffffda RBX: 0000559cb5148600 RCX: 00007f437381b08e
[  205.215318][ T3717] RDX: 0000000000000010 RSI: 0000559cb5148600 RDI: 0000000000000007
[  205.215319][ T3717] RBP: 00007fffe6351e40 R08: 0000000000000000 R09: 0000000000000000
[  205.215320][ T3717] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000010


Finger prints:
check_preemption_disabled:tcp_v4_do_rcv:__release_sock:release_sock:inet_stream_connect