======================================
| [   27.794501][  T234] 1 lock held by self-connect_ip/234:
| [ 27.794667][ T234] #0: ffff888006b4aa58 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_tcp_getsockopt (net/ipv4/tcp.c:4631) 
| [   27.794983][  T234]
| [   27.794983][  T234] stack backtrace:
[   27.795482][  T234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   27.795857][  T234] Call Trace:
[   27.795997][  T234]  <TASK>
[ 27.796094][ T234] dump_stack_lvl (lib/dump_stack.c:123) 
[ 27.796268][ T234] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) 
[ 27.796443][ T234] tcp_ao_copy_mkts_to_user (net/ipv4/tcp_ao.c:2232 (discriminator 7)) 
[ 27.796616][ T234] ? mark_held_locks (kernel/locking/lockdep.c:4321) 
[ 27.796785][ T234] ? __pfx_tcp_ao_copy_mkts_to_user (net/ipv4/tcp_ao.c:2106) 
[ 27.796985][ T234] ? stack_depot_save_flags (lib/stackdepot.c:664) 
[ 27.797153][ T234] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 27.797329][ T234] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 27.797494][ T234] ? kasan_save_free_info (mm/kasan/generic.c:582) 
[ 27.797656][ T234] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 27.797817][ T234] ? kfree (mm/slub.c:4579 mm/slub.c:4727) 
[ 27.797938][ T234] ? tcp_ao_parse_crypto (./include/net/tcp_ao.h:67 net/ipv4/tcp_ao.c:1436) 
[ 27.798142][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 27.798311][ T234] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5827) 
[ 27.798473][ T234] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 27.798641][ T234] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 27.798797][ T234] ? do_tcp_getsockopt (net/ipv4/tcp.c:4631) 
[ 27.798960][ T234] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 27.799118][ T234] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 27.799258][ T234] ? do_tcp_getsockopt (net/ipv4/tcp.c:4631) 
[ 27.799422][ T234] do_tcp_getsockopt (net/ipv4/tcp.c:4631) 
[ 27.799589][ T234] ? __pfx_do_tcp_getsockopt (net/ipv4/tcp.c:4300) 
[ 27.799749][ T234] ? tcp_ao_add_cmd (net/ipv4/tcp_ao.c:1737) 
[ 27.799926][ T234] ? release_sock (net/core/sock.c:3630) 
[ 27.800091][ T234] ? reacquire_held_locks (kernel/locking/lockdep.c:5350) 
[ 27.800256][ T234] ? release_sock (net/core/sock.c:3630) 
[ 27.800420][ T234] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.800583][ T234] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 27.800745][ T234] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 27.800907][ T234] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 27.801066][ T234] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 27.801230][ T234] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 27.801394][ T234] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 27.801524][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 27.801695][ T234] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 27.801858][ T234] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 27.802014][ T234] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 27.802175][ T234] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 27.802331][ T234] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 27.802491][ T234] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 27.802661][ T234] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 27.802821][ T234] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 27.802984][ T234] tcp_getsockopt (net/ipv4/tcp.c:4673 net/ipv4/tcp.c:4664) 
[ 27.803153][ T234] do_sock_getsockopt (net/socket.c:2396) 
[ 27.803316][ T234] ? __fget_files (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 fs/file.c:1006) 
[ 27.803482][ T234] ? __pfx_do_sock_getsockopt (net/socket.c:2374) 
[ 27.803647][ T234] ? fdget (fs/file.c:1121 fs/file.c:1128) 
[ 27.803776][ T234] __sys_getsockopt (./include/linux/file.h:35 net/socket.c:2428) 
[ 27.803935][ T234] ? __sys_setsockopt (net/socket.c:2360) 
[ 27.804097][ T234] ? __pfx___sys_getsockopt (net/socket.c:2415) 
[ 27.804262][ T234] ? __rseq_handle_notify_resume (kernel/rseq.c:316) 
[ 27.804461][ T234] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316) 
[ 27.804672][ T234] __x64_sys_getsockopt (net/socket.c:2432) 
[ 27.804833][ T234] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 27.805032][ T234] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 27.805196][ T234] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.805409][  T234] RIP: 0033:0x7fedc8a8246e
[ 27.805596][ T234] Code: 1f 44 00 00 48 8b 15 91 99 0a 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 59
All code
========
   0:	1f                   	(bad)
   1:	44 00 00             	add    %r8b,(%rax)
   4:	48 8b 15 91 99 0a 00 	mov    0xa9991(%rip),%rdx        # 0xa999c
   b:	f7 d8                	neg    %eax
   d:	64 89 02             	mov    %eax,%fs:(%rdx)
  10:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
  15:	eb b8                	jmp    0xffffffffffffffcf
  17:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 37 00 00 00       	mov    $0x37,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	59                   	pop    %rcx

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	59                   	pop    %rcx
[   27.806191][  T234] RSP: 002b:00007fff37d90838 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
[   27.806451][  T234] RAX: ffffffffffffffda RBX: 00007fff37d90d20 RCX: 00007fedc8a8246e
[   27.806689][  T234] RDX: 0000000000000029 RSI: 0000000000000006 RDI: 0000000000000009
[   27.806926][  T234] RBP: 00007fff37d90850 R08: 00007fff37d9084c R09: 0000000000000064
[   27.807160][  T234] R10: 00007fff37d90850 R11: 0000000000000246 R12: 0000000000000009
[   27.807404][  T234] R13: 0000000000000064 R14: 0000000000000020 R15: 0000000000000064
| [   27.814095][  T234] 1 lock held by self-connect_ip/234:
| [ 27.814265][ T234] #0: ffff888006b4aa58 (sk_lock-AF_INET){+.+.}-{0:0}, at: inet_stream_connect (net/ipv4/af_inet.c:748) 
| [   27.814565][  T234]
| [   27.814565][  T234] stack backtrace:
[   27.815072][  T234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   27.815437][  T234] Call Trace:
[   27.815562][  T234]  <TASK>
[ 27.815647][ T234] dump_stack_lvl (lib/dump_stack.c:123) 
[ 27.815814][ T234] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) 
[ 27.815978][ T234] __tcp_ao_do_lookup.part.0 (net/ipv4/tcp_ao.c:208) 
[ 27.816146][ T234] tcp_v4_ao_lookup (net/ipv4/tcp_ao.c:200 net/ipv4/tcp_ao.c:222 net/ipv4/tcp_ao.c:720) 
[ 27.816314][ T234] tcp_connect (net/ipv4/tcp_output.c:4114) 
[ 27.816493][ T234] tcp_v4_connect (net/ipv4/tcp_ipv4.c:342) 
[ 27.816667][ T234] ? __pfx_tcp_v4_connect (net/ipv4/tcp_ipv4.c:220) 
[ 27.816833][ T234] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 27.816965][ T234] __inet_stream_connect (net/ipv4/af_inet.c:677) 
[ 27.817132][ T234] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 27.817357][ T234] inet_stream_connect (net/ipv4/af_inet.c:749) 
[ 27.817519][ T234] __sys_connect (net/socket.c:2071 net/socket.c:2088) 
[ 27.817683][ T234] ? __pfx___sys_connect (net/socket.c:2078) 
[ 27.817839][ T234] ? do_fcntl (fs/fcntl.c:473) 
[ 27.817981][ T234] ? __pfx_do_fcntl (fs/fcntl.c:443) 
[ 27.818149][ T234] ? __fget_files (fs/file.c:1009) 
[ 27.818324][ T234] __x64_sys_connect (net/socket.c:2095) 
[ 27.818487][ T234] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 27.818655][ T234] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.818857][  T234] RIP: 0033:0x7fedc8a8240b
[ 27.819022][ T234] Code: 83 ec 18 89 54 24 0c 48 89 34 24 89 7c 24 08 e8 eb c7 f4 ff 8b 54 24 0c 48 8b 34 24 41 89 c0 8b 7c 24 08 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 08 e8 41 c8 f4 ff 8b 44
All code
========
   0:	83 ec 18             	sub    $0x18,%esp
   3:	89 54 24 0c          	mov    %edx,0xc(%rsp)
   7:	48 89 34 24          	mov    %rsi,(%rsp)
   b:	89 7c 24 08          	mov    %edi,0x8(%rsp)
   f:	e8 eb c7 f4 ff       	call   0xfffffffffff4c7ff
  14:	8b 54 24 0c          	mov    0xc(%rsp),%edx
  18:	48 8b 34 24          	mov    (%rsp),%rsi
  1c:	41 89 c0             	mov    %eax,%r8d
  1f:	8b 7c 24 08          	mov    0x8(%rsp),%edi
  23:	b8 2a 00 00 00       	mov    $0x2a,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 35                	ja     0x67
  32:	44 89 c7             	mov    %r8d,%edi
  35:	89 44 24 08          	mov    %eax,0x8(%rsp)
  39:	e8 41 c8 f4 ff       	call   0xfffffffffff4c87f
  3e:	8b                   	.byte 0x8b
  3f:	44                   	rex.R

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 35                	ja     0x3d
   8:	44 89 c7             	mov    %r8d,%edi
   b:	89 44 24 08          	mov    %eax,0x8(%rsp)
   f:	e8 41 c8 f4 ff       	call   0xfffffffffff4c855
  14:	8b                   	.byte 0x8b
  15:	44                   	rex.R
[   27.819604][  T234] RSP: 002b:00007fff37d90980 EFLAGS: 00000293 ORIG_RAX: 000000000000002a
[   27.819848][  T234] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fedc8a8240b
[   27.820091][  T234] RDX: 0000000000000010 RSI: 00007fff37d90a00 RDI: 0000000000000009
[   27.820337][  T234] RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
[   27.820582][  T234] R10: 00007fedc893a598 R11: 0000000000000293 R12: 000000000040e08e
[   27.820823][  T234] R13: 0000000000000005 R14: 00007fff37d90a00 R15: 000000002ba9c6a0
| [   27.826497][  T234] 1 lock held by self-connect_ip/234:
| [ 27.826659][ T234] #0: ffff888006b4aa58 (sk_lock-AF_INET){+.+.}-{0:0}, at: inet_stream_connect (net/ipv4/af_inet.c:748) 
| [   27.826952][  T234]
| [   27.826952][  T234] stack backtrace:
[   27.827475][  T234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   27.827830][  T234] Call Trace:
[   27.827952][  T234]  <TASK>
[ 27.828045][ T234] dump_stack_lvl (lib/dump_stack.c:123) 
[ 27.828222][ T234] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) 
[ 27.828388][ T234] tcp_ao_established (net/ipv4/tcp_ao.c:1166 (discriminator 7)) 
[ 27.828554][ T234] tcp_rcv_state_process (net/ipv4/tcp_input.c:6865 (discriminator 3)) 
[ 27.828715][ T234] ? __release_sock (./include/net/sock.h:1121 net/core/sock.c:3077) 
[ 27.828885][ T234] ? __pfx_tcp_rcv_state_process (net/ipv4/tcp_input.c:6751) 
[ 27.829086][ T234] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 27.829232][ T234] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1945) 
[ 27.829410][ T234] __release_sock (./include/net/sock.h:1121 net/core/sock.c:3077) 
[ 27.829578][ T234] release_sock (net/core/sock.c:3633) 
[ 27.829737][ T234] inet_stream_connect (net/ipv4/af_inet.c:751) 
[ 27.829900][ T234] __sys_connect (net/socket.c:2071 net/socket.c:2088) 
[ 27.830063][ T234] ? __pfx___sys_connect (net/socket.c:2078) 
[ 27.830231][ T234] ? do_fcntl (fs/fcntl.c:473) 
[ 27.830358][ T234] ? __pfx_do_fcntl (fs/fcntl.c:443) 
[ 27.830520][ T234] ? __fget_files (fs/file.c:1009) 
[ 27.830694][ T234] __x64_sys_connect (net/socket.c:2095) 
[ 27.830863][ T234] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 27.831103][ T234] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.831411][  T234] RIP: 0033:0x7fedc8a8240b
[ 27.831676][ T234] Code: 83 ec 18 89 54 24 0c 48 89 34 24 89 7c 24 08 e8 eb c7 f4 ff 8b 54 24 0c 48 8b 34 24 41 89 c0 8b 7c 24 08 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 08 e8 41 c8 f4 ff 8b 44
All code
========
   0:	83 ec 18             	sub    $0x18,%esp
   3:	89 54 24 0c          	mov    %edx,0xc(%rsp)
   7:	48 89 34 24          	mov    %rsi,(%rsp)
   b:	89 7c 24 08          	mov    %edi,0x8(%rsp)
   f:	e8 eb c7 f4 ff       	call   0xfffffffffff4c7ff
  14:	8b 54 24 0c          	mov    0xc(%rsp),%edx
  18:	48 8b 34 24          	mov    (%rsp),%rsi
  1c:	41 89 c0             	mov    %eax,%r8d
  1f:	8b 7c 24 08          	mov    0x8(%rsp),%edi
  23:	b8 2a 00 00 00       	mov    $0x2a,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 35                	ja     0x67
  32:	44 89 c7             	mov    %r8d,%edi
  35:	89 44 24 08          	mov    %eax,0x8(%rsp)
  39:	e8 41 c8 f4 ff       	call   0xfffffffffff4c87f
  3e:	8b                   	.byte 0x8b
  3f:	44                   	rex.R

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 35                	ja     0x3d
   8:	44 89 c7             	mov    %r8d,%edi
   b:	89 44 24 08          	mov    %eax,0x8(%rsp)
   f:	e8 41 c8 f4 ff       	call   0xfffffffffff4c855
  14:	8b                   	.byte 0x8b
  15:	44                   	rex.R
[   27.832549][  T234] RSP: 002b:00007fff37d90980 EFLAGS: 00000293 ORIG_RAX: 000000000000002a
[   27.832938][  T234] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fedc8a8240b
[   27.833326][  T234] RDX: 0000000000000010 RSI: 00007fff37d90a00 RDI: 0000000000000009
[   27.833717][  T234] RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
[   27.834123][  T234] R10: 00007fedc893a598 R11: 0000000000000293 R12: 000000000040e08e
[   27.834526][  T234] R13: 0000000000000005 R14: 00007fff37d90a00 R15: 000000002ba9c6a0
| [   27.921410][  T234] 1 lock held by self-connect_ip/234:
| [ 27.921580][ T234] #0: ffff888006b4d218 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_tcp_setsockopt (net/ipv4/tcp.c:3809) 
| [   27.921879][  T234]
| [   27.921879][  T234] stack backtrace:
[   27.922398][  T234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   27.922788][  T234] Call Trace:
[   27.922911][  T234]  <TASK>
[ 27.923003][ T234] dump_stack_lvl (lib/dump_stack.c:123) 
[ 27.923167][ T234] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) 
[ 27.923335][ T234] tcp_ao_set_repair (net/ipv4/tcp_ao.c:2399 (discriminator 7)) 
[ 27.923495][ T234] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 27.923656][ T234] ? __pfx_tcp_ao_set_repair (net/ipv4/tcp_ao.c:2371) 
[ 27.923824][ T234] do_tcp_setsockopt (net/ipv4/tcp.c:3924) 
[ 27.923990][ T234] ? __pfx_do_tcp_setsockopt (net/ipv4/tcp.c:3705) 
[ 27.924146][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 27.924325][ T234] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 27.924500][ T234] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 27.924659][ T234] ? __fget_files (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 fs/file.c:1006) 
[ 27.924818][ T234] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 27.924981][ T234] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 27.925142][ T234] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 27.925315][ T234] do_sock_setsockopt (net/socket.c:2334) 
[ 27.925476][ T234] ? __pfx_do_sock_setsockopt (net/socket.c:2303) 
[ 27.925647][ T234] ? fdget (fs/file.c:1121 fs/file.c:1128) 
[ 27.925774][ T234] __sys_setsockopt (./include/linux/file.h:35 net/socket.c:2359) 
[ 27.925942][ T234] ? __pfx___sys_setsockopt (net/socket.c:2347) 
[ 27.926106][ T234] ? __fget_files (fs/file.c:1009) 
[ 27.926270][ T234] ? __pfx___sys_socket (net/socket.c:1712) 
[ 27.926440][ T234] __x64_sys_setsockopt (net/socket.c:2363) 
[ 27.926598][ T234] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 27.926794][ T234] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 27.926963][ T234] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.927283][  T234] RIP: 0033:0x7fedc8a8291e
[ 27.927461][ T234] Code: 0f 1f 40 00 48 8b 15 e1 94 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a9
All code
========
   0:	0f 1f 40 00          	nopl   0x0(%rax)
   4:	48 8b 15 e1 94 0a 00 	mov    0xa94e1(%rip),%rdx        # 0xa94ec
   b:	f7 d8                	neg    %eax
   d:	64 89 02             	mov    %eax,%fs:(%rdx)
  10:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
  17:	eb b1                	jmp    0xffffffffffffffca
  19:	0f 1f 00             	nopl   (%rax)
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a9                   	.byte 0xa9

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a9                   	.byte 0xa9
[   27.928022][  T234] RSP: 002b:00007fff37d909b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
[   27.928279][  T234] RAX: ffffffffffffffda RBX: 0000000000000034 RCX: 00007fedc8a8291e
[   27.928520][  T234] RDX: 000000000000002a RSI: 0000000000000006 RDI: 0000000000000009
[   27.928762][  T234] RBP: 0000000000000009 R08: 0000000000000010 R09: 0000000000000064
[   27.929002][  T234] R10: 00007fff37d909f0 R11: 0000000000000206 R12: 00007fff37d90bf0


Finger prints:
lockdep_rcu_suspicious:tcp_ao_established:tcp_rcv_state_process:tcp_v4_do_rcv:__release_sock
lockdep_rcu_suspicious:tcp_v4_ao_lookup:tcp_connect:tcp_v4_connect:__inet_stream_connect
lockdep_rcu_suspicious:tcp_ao_copy_mkts_to_user:do_tcp_getsockopt:tcp_getsockopt:do_sock_getsockopt
lockdep_rcu_suspicious:tcp_ao_set_repair:do_tcp_setsockopt:do_sock_setsockopt:__sys_setsockopt