======================================
| o $?
| 0
| xx__-> [  921.852846][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  921.853773][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  921.853925][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  921.853927][T15688] Call Trace:
[  921.853928][T15688]  <TASK>
[  921.853930][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  921.853937][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  921.853941][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  921.853943][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  921.853946][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  921.853952][T15688]  release_sock (net/core/sock.c:3815)
[  921.853953][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  921.853956][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  921.853960][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  921.853962][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  921.853966][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  921.853969][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  921.853973][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  921.853976][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  921.853978][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  921.853981][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  921.853985][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  921.853992][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  921.853994][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  921.853995][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  921.853998][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  921.854000][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  921.854003][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  921.854006][T15688] RIP: 0033:0x7f816c0bc08e
[  921.854010][T15688] 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
[  921.854012][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  921.854015][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  921.854017][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  921.854018][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  921.854019][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000035b10a
[  921.854019][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000185

| [  921.854025][T15688]  </TASK>
| [  922.518535][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  922.518813][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  922.518946][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  922.518948][T15688] Call Trace:
[  922.518950][T15688]  <TASK>
[  922.518951][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  922.518958][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  922.518962][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  922.518964][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  922.518967][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  922.518973][T15688]  release_sock (net/core/sock.c:3815)
[  922.518975][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  922.518977][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  922.518981][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  922.518984][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  922.518988][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  922.518991][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  922.518995][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  922.518998][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  922.519000][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  922.519003][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  922.519006][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  922.519014][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  922.519016][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  922.519017][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  922.519019][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  922.519021][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  922.519025][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  922.519028][T15688] RIP: 0033:0x7f816c0bc08e
[  922.519032][T15688] 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
[  922.519034][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  922.519038][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  922.519039][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  922.519040][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  922.519041][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000003d1496
[  922.519042][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000181

| [  922.519048][T15688]  </TASK>
| [  923.698036][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  923.698307][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  923.698449][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  923.698452][T15688] Call Trace:
[  923.698453][T15688]  <TASK>
[  923.698455][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  923.698462][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  923.698466][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  923.698469][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  923.698471][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  923.698477][T15688]  release_sock (net/core/sock.c:3815)
[  923.698479][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  923.698481][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  923.698485][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  923.698487][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  923.698491][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  923.698494][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  923.698498][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  923.698501][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  923.698503][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  923.698506][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  923.698509][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  923.698517][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  923.698519][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  923.698520][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  923.698522][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  923.698524][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  923.698528][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  923.698531][T15688] RIP: 0033:0x7f816c0bc08e
[  923.698534][T15688] 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
[  923.698536][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  923.698540][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  923.698541][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  923.698542][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  923.698543][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000049c2ab
[  923.698544][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 00000000000011c4

| [  923.698550][T15688]  </TASK>
| [  924.577041][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  924.577314][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  924.577458][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  924.577460][T15688] Call Trace:
[  924.577462][T15688]  <TASK>
[  924.577464][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  924.577470][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  924.577474][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  924.577477][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  924.577479][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  924.577485][T15688]  release_sock (net/core/sock.c:3815)
[  924.577487][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  924.577489][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  924.577493][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  924.577496][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  924.577500][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  924.577502][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  924.577507][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  924.577510][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  924.577512][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  924.577514][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  924.577518][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  924.577526][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  924.577528][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  924.577529][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  924.577531][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  924.577533][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  924.577537][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  924.577539][T15688] RIP: 0033:0x7f816c0bc08e
[  924.577543][T15688] 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
[  924.577545][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  924.577548][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  924.577550][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  924.577551][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  924.577551][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000053b148
[  924.577552][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000181

| [  924.577558][T15688]  </TASK>
| [  926.075235][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  926.075994][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  926.076136][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  926.076138][T15688] Call Trace:
[  926.076140][T15688]  <TASK>
[  926.076142][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  926.076148][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  926.076152][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  926.076155][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  926.076157][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  926.076163][T15688]  release_sock (net/core/sock.c:3815)
[  926.076165][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  926.076167][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  926.076171][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  926.076174][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  926.076178][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  926.076181][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  926.076185][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  926.076188][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  926.076190][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  926.076192][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  926.076196][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  926.076204][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  926.076206][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  926.076207][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  926.076209][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  926.076211][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  926.076214][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  926.076217][T15688] RIP: 0033:0x7f816c0bc08e
[  926.076221][T15688] 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
[  926.076223][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  926.076227][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  926.076228][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  926.076229][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  926.076230][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000063e765
[  926.076231][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 000000000000017c

| [  926.076236][T15688]  </TASK>
| [  926.163769][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  926.164033][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  926.164171][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  926.164173][T15688] Call Trace:
[  926.164175][T15688]  <TASK>
[  926.164176][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  926.164183][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  926.164187][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  926.164189][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  926.164192][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  926.164198][T15688]  release_sock (net/core/sock.c:3815)
[  926.164199][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  926.164202][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  926.164206][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  926.164208][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  926.164212][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  926.164215][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  926.164219][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  926.164222][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  926.164224][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  926.164227][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  926.164231][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  926.164238][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  926.164240][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  926.164242][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  926.164244][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  926.164246][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  926.164249][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  926.164252][T15688] RIP: 0033:0x7f816c0bc08e
[  926.164256][T15688] 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
[  926.164257][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  926.164261][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  926.164262][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  926.164263][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  926.164264][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000064f297
[  926.164265][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 000000000000017c

| [  926.164270][T15688]  </TASK>
| [  926.513910][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  926.514232][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  926.514425][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  926.514428][T15688] Call Trace:
[  926.514430][T15688]  <TASK>
[  926.514432][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  926.514439][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  926.514443][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  926.514446][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  926.514449][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  926.514454][T15688]  release_sock (net/core/sock.c:3815)
[  926.514456][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  926.514458][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  926.514462][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  926.514465][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  926.514469][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  926.514471][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  926.514476][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  926.514478][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  926.514481][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  926.514483][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  926.514487][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  926.514494][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  926.514496][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  926.514497][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  926.514499][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  926.514501][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  926.514505][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  926.514507][T15688] RIP: 0033:0x7f816c0bc08e
[  926.514511][T15688] 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
[  926.514513][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  926.514517][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  926.514518][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  926.514520][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  926.514520][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000068f088
[  926.514521][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 00000000000004a4

| [  926.514527][T15688]  </TASK>
| [  929.235175][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  929.235832][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  929.236007][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  929.236009][T15688] Call Trace:
[  929.236011][T15688]  <TASK>
[  929.236013][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  929.236021][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  929.236025][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  929.236027][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  929.236030][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  929.236036][T15688]  release_sock (net/core/sock.c:3815)
[  929.236038][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  929.236040][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  929.236044][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  929.236047][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  929.236051][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  929.236053][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  929.236058][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  929.236060][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  929.236062][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  929.236065][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  929.236069][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  929.236076][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  929.236078][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  929.236079][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  929.236081][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  929.236083][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  929.236087][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  929.236090][T15688] RIP: 0033:0x7f816c0bc08e
[  929.236094][T15688] 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
[  929.236096][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  929.236099][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  929.236101][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  929.236102][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  929.236103][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000087a093
[  929.236103][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 00000000000001e5

| [  929.236109][T15688]  </TASK>
| [  929.992235][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  929.992520][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  929.992655][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  929.992657][T15688] Call Trace:
[  929.992659][T15688]  <TASK>
[  929.992660][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  929.992667][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  929.992671][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  929.992673][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  929.992676][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  929.992682][T15688]  release_sock (net/core/sock.c:3815)
[  929.992684][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  929.992686][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  929.992690][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  929.992693][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  929.992697][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  929.992700][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  929.992704][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  929.992707][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  929.992709][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  929.992711][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  929.992715][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  929.992723][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  929.992724][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  929.992726][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  929.992728][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  929.992730][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  929.992733][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  929.992736][T15688] RIP: 0033:0x7f816c0bc08e
[  929.992740][T15688] 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
[  929.992741][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  929.992745][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  929.992746][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  929.992748][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  929.992748][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000903062
[  929.992749][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000182

| [  929.992755][T15688]  </TASK>
| [  931.734870][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  931.735149][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  931.735282][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  931.735284][T15688] Call Trace:
[  931.735286][T15688]  <TASK>
[  931.735287][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  931.735293][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  931.735297][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  931.735300][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  931.735303][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  931.735308][T15688]  release_sock (net/core/sock.c:3815)
[  931.735310][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  931.735313][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  931.735317][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  931.735319][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  931.735323][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  931.735326][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  931.735330][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  931.735333][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  931.735335][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  931.735338][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  931.735341][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  931.735349][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  931.735351][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  931.735352][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  931.735354][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  931.735356][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  931.735360][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  931.735363][T15688] RIP: 0033:0x7f816c0bc08e
[  931.735367][T15688] 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
[  931.735369][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  931.735373][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  931.735374][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  931.735375][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  931.735376][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000a33794
[  931.735377][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000192

| [  931.735383][T15688]  </TASK>
| [  931.846005][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  931.846275][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  931.846415][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  931.846417][T15688] Call Trace:
[  931.846419][T15688]  <TASK>
[  931.846421][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  931.846427][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  931.846431][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  931.846433][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  931.846436][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  931.846442][T15688]  release_sock (net/core/sock.c:3815)
[  931.846443][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  931.846446][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  931.846450][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  931.846452][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  931.846456][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  931.846459][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  931.846463][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  931.846466][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  931.846468][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  931.846471][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  931.846475][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  931.846482][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  931.846484][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  931.846486][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  931.846488][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  931.846490][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  931.846493][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  931.846496][T15688] RIP: 0033:0x7f816c0bc08e
[  931.846499][T15688] 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
[  931.846501][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  931.846504][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  931.846505][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  931.846506][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  931.846507][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000a4810b
[  931.846508][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000185

| [  931.846514][T15688]  </TASK>
| [  932.017696][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  932.018011][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  932.018191][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  932.018193][T15688] Call Trace:
[  932.018195][T15688]  <TASK>
[  932.018197][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  932.018204][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  932.018208][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  932.018211][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  932.018214][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  932.018219][T15688]  release_sock (net/core/sock.c:3815)
[  932.018221][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  932.018224][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  932.018228][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  932.018230][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  932.018234][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  932.018237][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  932.018241][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  932.018244][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  932.018246][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  932.018248][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  932.018252][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  932.018260][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  932.018262][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  932.018263][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  932.018265][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  932.018267][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  932.018271][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  932.018273][T15688] RIP: 0033:0x7f816c0bc08e
[  932.018277][T15688] 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
[  932.018279][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  932.018283][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  932.018284][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  932.018285][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  932.018286][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000a6870f
[  932.018287][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000183

| [  932.018293][T15688]  </TASK>
| [  932.912441][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  932.912764][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  932.912940][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  932.912942][T15688] Call Trace:
[  932.912944][T15688]  <TASK>
[  932.912946][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  932.912953][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  932.912957][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  932.912960][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  932.912963][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  932.912969][T15688]  release_sock (net/core/sock.c:3815)
[  932.912970][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  932.912973][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  932.912976][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  932.912979][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  932.912983][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  932.912986][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  932.912990][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  932.912993][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  932.912995][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  932.912998][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  932.913001][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  932.913009][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  932.913011][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  932.913012][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  932.913014][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  932.913016][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  932.913020][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  932.913022][T15688] RIP: 0033:0x7f816c0bc08e
[  932.913027][T15688] 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
[  932.913028][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  932.913032][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  932.913033][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  932.913034][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  932.913035][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000b0b5af
[  932.913036][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 000000000000017f

| [  932.913042][T15688]  </TASK>
| [  933.051560][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  933.051867][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  933.052040][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  933.052042][T15688] Call Trace:
[  933.052044][T15688]  <TASK>
[  933.052046][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  933.052054][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  933.052057][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  933.052060][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  933.052063][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  933.052069][T15688]  release_sock (net/core/sock.c:3815)
[  933.052070][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  933.052072][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  933.052076][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  933.052079][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  933.052083][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  933.052086][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  933.052090][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  933.052093][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  933.052095][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  933.052097][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  933.052101][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  933.052108][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  933.052110][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  933.052111][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  933.052114][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  933.052116][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  933.052119][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  933.052123][T15688] RIP: 0033:0x7f816c0bc08e
[  933.052127][T15688] 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
[  933.052128][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  933.052132][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  933.052133][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  933.052134][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  933.052135][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000b25bfa
[  933.052136][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 000000000000173e

| [  933.052142][T15688]  </TASK>
| [  933.922945][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  933.923265][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  933.923966][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  933.923968][T15688] Call Trace:
[  933.923970][T15688]  <TASK>
[  933.923971][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  933.923979][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  933.923983][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  933.923986][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  933.923989][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  933.923994][T15688]  release_sock (net/core/sock.c:3815)
[  933.923996][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  933.923998][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  933.924002][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  933.924005][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  933.924009][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  933.924011][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  933.924016][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  933.924019][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  933.924021][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  933.924023][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  933.924027][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  933.924034][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  933.924036][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  933.924037][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  933.924039][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  933.924041][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  933.924045][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  933.924048][T15688] RIP: 0033:0x7f816c0bc08e
[  933.924051][T15688] 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
[  933.924053][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  933.924057][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  933.924058][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  933.924059][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  933.924060][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000bc2b80
[  933.924061][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000193

| [  933.924067][T15688]  </TASK>
| [  934.632842][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  934.633168][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  934.633347][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  934.633349][T15688] Call Trace:
[  934.633352][T15688]  <TASK>
[  934.633354][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  934.633361][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  934.633365][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  934.633367][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  934.633370][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  934.633376][T15688]  release_sock (net/core/sock.c:3815)
[  934.633378][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  934.633380][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  934.633384][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  934.633387][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  934.633391][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  934.633398][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  934.633402][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  934.633405][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  934.633407][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  934.633409][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  934.633413][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  934.633421][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  934.633429][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  934.633430][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  934.633432][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  934.633434][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  934.633438][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  934.633441][T15688] RIP: 0033:0x7f816c0bc08e
[  934.633445][T15688] 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
[  934.633446][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  934.633450][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  934.633451][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  934.633452][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  934.633453][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000c44313
[  934.633454][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 000000000000019e

| [  934.633460][T15688]  </TASK>
| [  935.454001][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  935.454319][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  935.454520][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  935.454522][T15688] Call Trace:
[  935.454524][T15688]  <TASK>
[  935.454526][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  935.454533][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  935.454537][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  935.454540][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  935.454543][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  935.454549][T15688]  release_sock (net/core/sock.c:3815)
[  935.454550][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  935.454553][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  935.454557][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  935.454559][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  935.454563][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  935.454566][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  935.454570][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  935.454573][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  935.454575][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  935.454578][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  935.454581][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  935.454589][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  935.454591][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  935.454592][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  935.454594][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  935.454596][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  935.454600][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  935.454603][T15688] RIP: 0033:0x7f816c0bc08e
[  935.454607][T15688] 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
[  935.454609][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  935.454613][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  935.454614][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  935.454615][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  935.454616][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000cd7772
[  935.454617][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 000000000000018a

| [  935.454622][T15688]  </TASK>
| [  937.835724][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  937.836005][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  937.836136][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  937.836138][T15688] Call Trace:
[  937.836140][T15688]  <TASK>
[  937.836141][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  937.836148][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  937.836152][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  937.836154][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  937.836157][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  937.836163][T15688]  release_sock (net/core/sock.c:3815)
[  937.836165][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  937.836167][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  937.836171][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  937.836174][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  937.836178][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  937.836181][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  937.836185][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  937.836188][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  937.836190][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  937.836193][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  937.836197][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  937.836204][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  937.836206][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  937.836208][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  937.836210][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  937.836212][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  937.836215][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  937.836218][T15688] RIP: 0033:0x7f816c0bc08e
[  937.836222][T15688] 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
[  937.836224][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  937.836228][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  937.836229][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  937.836230][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  937.836231][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000e7f980
[  937.836232][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000192

| [  937.836238][T15688]  </TASK>
| [  938.530897][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  938.531175][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  938.531305][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  938.531307][T15688] Call Trace:
[  938.531309][T15688]  <TASK>
[  938.531311][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  938.531317][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  938.531321][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  938.531323][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  938.531326][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  938.531332][T15688]  release_sock (net/core/sock.c:3815)
[  938.531333][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  938.531336][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  938.531340][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  938.531343][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  938.531347][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  938.531349][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  938.531354][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  938.531357][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  938.531359][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  938.531361][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  938.531365][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  938.531373][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  938.531375][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  938.531376][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  938.531378][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  938.531380][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  938.531384][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  938.531386][T15688] RIP: 0033:0x7f816c0bc08e
[  938.531390][T15688] 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
[  938.531391][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  938.531397][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  938.531398][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  938.531399][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  938.531400][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000efb979
[  938.531401][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 000000000000045a

| [  938.531407][T15688]  </TASK>
| [  939.712959][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  939.713239][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  939.713370][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  939.713372][T15688] Call Trace:
[  939.713374][T15688]  <TASK>
[  939.713375][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  939.713382][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  939.713386][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  939.713388][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  939.713391][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  939.713399][T15688]  release_sock (net/core/sock.c:3815)
[  939.713401][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  939.713403][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  939.713407][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  939.713410][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  939.713414][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  939.713417][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  939.713421][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  939.713424][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  939.713426][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  939.713429][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  939.713432][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  939.713440][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  939.713445][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  939.713447][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  939.713449][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  939.713451][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  939.713454][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  939.713457][T15688] RIP: 0033:0x7f816c0bc08e
[  939.713461][T15688] 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
[  939.713463][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  939.713467][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  939.713468][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  939.713469][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  939.713470][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000fd3e56
[  939.713471][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000196

| [  939.713477][T15688]  </TASK>
| [  939.889708][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  939.889991][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  939.890121][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  939.890124][T15688] Call Trace:
[  939.890126][T15688]  <TASK>
[  939.890127][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  939.890134][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  939.890138][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  939.890140][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  939.890143][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  939.890149][T15688]  release_sock (net/core/sock.c:3815)
[  939.890150][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  939.890153][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  939.890157][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  939.890160][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  939.890164][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  939.890166][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  939.890171][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  939.890173][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  939.890175][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  939.890178][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  939.890182][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  939.890189][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  939.890191][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  939.890192][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  939.890195][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  939.890196][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  939.890200][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  939.890203][T15688] RIP: 0033:0x7f816c0bc08e
[  939.890207][T15688] 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
[  939.890208][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  939.890212][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  939.890213][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  939.890215][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  939.890215][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000ff3c33
[  939.890216][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000185

| [  939.890222][T15688]  </TASK>
| [  939.971019][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  939.971294][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  939.971436][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  939.971438][T15688] Call Trace:
[  939.971439][T15688]  <TASK>
[  939.971441][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  939.971450][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  939.971454][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  939.971456][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  939.971459][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  939.971465][T15688]  release_sock (net/core/sock.c:3815)
[  939.971466][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  939.971469][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  939.971473][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  939.971475][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  939.971479][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  939.971482][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  939.971486][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  939.971489][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  939.971491][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  939.971494][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  939.971498][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  939.971505][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  939.971507][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  939.971508][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  939.971510][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  939.971512][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  939.971516][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  939.971519][T15688] RIP: 0033:0x7f816c0bc08e
[  939.971522][T15688] 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
[  939.971524][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  939.971527][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  939.971529][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  939.971530][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  939.971530][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000100366c
[  939.971531][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000189

| [  939.971537][T15688]  </TASK>
| [  940.023161][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  940.023430][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  940.023565][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  940.023567][T15688] Call Trace:
[  940.023569][T15688]  <TASK>
[  940.023570][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  940.023576][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  940.023579][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  940.023582][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  940.023584][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  940.023590][T15688]  release_sock (net/core/sock.c:3815)
[  940.023591][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  940.023594][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  940.023597][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  940.023600][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  940.023604][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  940.023606][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  940.023610][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  940.023613][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  940.023615][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  940.023617][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  940.023621][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  940.023628][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  940.023630][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  940.023631][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  940.023633][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  940.023635][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  940.023639][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  940.023642][T15688] RIP: 0033:0x7f816c0bc08e
[  940.023645][T15688] 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
[  940.023647][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  940.023650][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  940.023651][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  940.023653][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  940.023653][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000100cbde
[  940.023654][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 000000000000018c

| [  940.023660][T15688]  </TASK>
| [  940.178192][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  940.178464][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  940.178592][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  940.178594][T15688] Call Trace:
[  940.178596][T15688]  <TASK>
[  940.178597][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  940.178603][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  940.178607][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  940.178610][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  940.178613][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  940.178618][T15688]  release_sock (net/core/sock.c:3815)
[  940.178620][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  940.178623][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  940.178626][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  940.178629][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  940.178633][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  940.178636][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  940.178640][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  940.178643][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  940.178645][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  940.178647][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  940.178651][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  940.178659][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  940.178661][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  940.178662][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  940.178664][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  940.178666][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  940.178670][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  940.178672][T15688] RIP: 0033:0x7f816c0bc08e
[  940.178676][T15688] 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
[  940.178677][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  940.178681][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  940.178682][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  940.178683][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  940.178684][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001026137
[  940.178685][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000200

| [  940.178691][T15688]  </TASK>
| [  940.688298][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  940.688598][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  940.688728][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  940.688730][T15688] Call Trace:
[  940.688731][T15688]  <TASK>
[  940.688733][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  940.688740][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  940.688744][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  940.688746][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  940.688749][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  940.688755][T15688]  release_sock (net/core/sock.c:3815)
[  940.688756][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  940.688759][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  940.688763][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  940.688766][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  940.688770][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  940.688772][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  940.688777][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  940.688779][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  940.688781][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  940.688784][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  940.688788][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  940.688795][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  940.688797][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  940.688798][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  940.688800][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  940.688802][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  940.688806][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  940.688809][T15688] RIP: 0033:0x7f816c0bc08e
[  940.688813][T15688] 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
[  940.688814][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  940.688818][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  940.688819][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  940.688820][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  940.688821][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000107ffd8
[  940.688822][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 000000000000018a

| [  940.688828][T15688]  </TASK>
| [  941.327446][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  941.327776][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  941.327954][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  941.327956][T15688] Call Trace:
[  941.327959][T15688]  <TASK>
[  941.327961][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  941.327968][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  941.327972][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  941.327974][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  941.327978][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  941.327983][T15688]  release_sock (net/core/sock.c:3815)
[  941.327985][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  941.327987][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  941.327991][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  941.327994][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  941.327998][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  941.328001][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  941.328005][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  941.328008][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  941.328010][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  941.328012][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  941.328016][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  941.328024][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  941.328025][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  941.328027][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  941.328029][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  941.328031][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  941.328034][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  941.328037][T15688] RIP: 0033:0x7f816c0bc08e
[  941.328041][T15688] 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
[  941.328043][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  941.328047][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  941.328048][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  941.328049][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  941.328050][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000010f3928
[  941.328051][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000189

| [  941.328057][T15688]  </TASK>
| [  942.809521][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  942.809845][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  942.810021][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  942.810023][T15688] Call Trace:
[  942.810026][T15688]  <TASK>
[  942.810028][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  942.810035][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  942.810039][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  942.810041][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  942.810045][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  942.810050][T15688]  release_sock (net/core/sock.c:3815)
[  942.810052][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  942.810054][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  942.810058][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  942.810061][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  942.810065][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  942.810068][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  942.810072][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  942.810075][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  942.810077][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  942.810079][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  942.810083][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  942.810091][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  942.810093][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  942.810094][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  942.810096][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  942.810098][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  942.810101][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  942.810104][T15688] RIP: 0033:0x7f816c0bc08e
[  942.810108][T15688] 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
[  942.810110][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  942.810114][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  942.810115][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  942.810116][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  942.810117][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000011ff242
[  942.810118][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000185

| [  942.810124][T15688]  </TASK>
| [  943.250927][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  943.251192][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  943.251329][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  943.251331][T15688] Call Trace:
[  943.251332][T15688]  <TASK>
[  943.251334][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  943.251341][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  943.251345][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  943.251347][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  943.251350][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  943.251356][T15688]  release_sock (net/core/sock.c:3815)
[  943.251357][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  943.251360][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  943.251364][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  943.251366][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  943.251371][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  943.251373][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  943.251378][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  943.251380][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  943.251383][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  943.251385][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  943.251389][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  943.251398][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  943.251400][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  943.251402][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  943.251404][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  943.251406][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  943.251410][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  943.251412][T15688] RIP: 0033:0x7f816c0bc08e
[  943.251416][T15688] 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
[  943.251418][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  943.251421][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  943.251423][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  943.251424][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  943.251424][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000124c865
[  943.251425][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 000000000000018c

| [  943.251431][T15688]  </TASK>
| [  943.828218][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  943.828505][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  943.828642][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  943.828643][T15688] Call Trace:
[  943.828645][T15688]  <TASK>
[  943.828646][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  943.828653][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  943.828657][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  943.828660][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  943.828663][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  943.828668][T15688]  release_sock (net/core/sock.c:3815)
[  943.828670][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  943.828673][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  943.828676][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  943.828679][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  943.828683][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  943.828686][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  943.828690][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  943.828693][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  943.828695][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  943.828698][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  943.828701][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  943.828709][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  943.828711][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  943.828712][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  943.828714][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  943.828716][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  943.828720][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  943.828723][T15688] RIP: 0033:0x7f816c0bc08e
[  943.828727][T15688] 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
[  943.828728][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  943.828732][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  943.828733][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  943.828734][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  943.828735][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000012aeefb
[  943.828736][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000184
| [  943.828742][T15688]  </TASK>
| [  945.098238][T15688] check_preemption_disabled: 2 callbacks suppressed
| [  945.098247][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  945.099183][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  945.099314][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  945.099316][T15688] Call Trace:
[  945.099318][T15688]  <TASK>
[  945.099319][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  945.099326][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  945.099330][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  945.099332][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  945.099335][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  945.099341][T15688]  release_sock (net/core/sock.c:3815)
[  945.099343][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  945.099345][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  945.099349][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  945.099352][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  945.099356][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  945.099358][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  945.099363][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  945.099366][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  945.099368][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  945.099370][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  945.099374][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  945.099382][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  945.099383][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  945.099385][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  945.099387][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  945.099389][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  945.099395][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  945.099397][T15688] RIP: 0033:0x7f816c0bc08e
[  945.099401][T15688] 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
[  945.099403][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  945.099406][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  945.099408][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  945.099409][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  945.099409][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000138a371
[  945.099410][T15688] R13: 0000000000000001 R14: 000000000000f3ca R15: 0000000000000188

| [  945.099416][T15688]  </TASK>
| [  945.865547][T15688] BUG: using __this_cpu_write() in preemptible [00000000] code: fin_ack_lat/15688
| [  945.865826][T15688] caller is tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  945.865958][T15688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  945.865960][T15688] Call Trace:
[  945.865962][T15688]  <TASK>
[  945.865964][T15688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  945.865971][T15688]  check_preemption_disabled (lib/smp_processor_id.c:47)
[  945.865974][T15688]  tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1881)
[  945.865977][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  945.865980][T15688]  __release_sock (./include/net/sock.h:1190 net/core/sock.c:3216)
[  945.865986][T15688]  release_sock (net/core/sock.c:3815)
[  945.865987][T15688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  945.865990][T15688]  inet_wait_for_connect (net/ipv4/af_inet.c:616)
[  945.865994][T15688]  ? inet_unregister_protosw (./include/linux/list.h:119)
[  945.865996][T15688]  ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2))
[  945.866000][T15688]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  945.866003][T15688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  945.866007][T15688]  __inet_stream_connect (net/ipv4/af_inet.c:710 (discriminator 1))
[  945.866010][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  945.866012][T15688]  inet_stream_connect (net/ipv4/af_inet.c:755)
[  945.866015][T15688]  __sys_connect (net/socket.c:2148 (discriminator 3) net/socket.c:2167 (discriminator 3))
[  945.866018][T15688]  ? __sys_connect_file (net/socket.c:2148 (discriminator 3))
[  945.866026][T15688]  __x64_sys_connect (net/socket.c:2173 net/socket.c:2170 net/socket.c:2170)
[  945.866028][T15688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  945.866029][T15688]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  945.866031][T15688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  945.866033][T15688]  ? irq_exit_rcu (kernel/softirq.c:754)
[  945.866037][T15688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  945.866040][T15688] RIP: 0033:0x7f816c0bc08e
[  945.866044][T15688] 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
[  945.866045][T15688] RSP: 002b:00007fff67d93610 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[  945.866049][T15688] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816c0bc08e
[  945.866050][T15688] RDX: 0000000000000010 RSI: 00007fff67d936b0 RDI: 0000000000000006
[  945.866052][T15688] RBP: 00007fff67d93620 R08: 0000000000000000 R09: 0000000000000000
[  945.866052][T15688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000140e1cf


Finger prints:
check_preemption_disabled:tcp_v4_do_rcv:__release_sock:release_sock:inet_wait_for_connect