======================================
| [  173.818193][ T1174] 1 lock held by nft/1174:
| [ 173.818350][ T1174] #0: ffff88800b6894c8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid (./include/linux/jiffies.h:101 net/netfilter/nf_tables_api.c:10957) nf_tables
| [  173.818758][ T1174]
| [  173.818758][ T1174] stack backtrace:
[  173.819189][ T1174] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  173.819621][ T1174] Call Trace:
[  173.819749][ T1174]  <TASK>
[ 173.819836][ T1174] dump_stack_lvl (lib/dump_stack.c:123) 
[ 173.820004][ T1174] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) 
[ 173.820166][ T1174] nft_set_lookup.part.0 (net/netfilter/nf_tables_api.c:4470) nf_tables
[ 173.820390][ T1174] nf_tables_newset (net/netfilter/nf_tables_api.c:5233) nf_tables
[ 173.820615][ T1174] ? __pfx_nf_tables_newset (net/netfilter/nf_tables_api.c:5075) nf_tables
[ 173.820840][ T1174] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 173.821007][ T1174] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 173.821164][ T1174] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 173.821325][ T1174] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 173.821488][ T1174] nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:524) 
[ 173.821665][ T1174] ? __pfx_nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:373) 
[ 173.821824][ T1174] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380) 
[ 173.821982][ T1174] ? find_stack (lib/stackdepot.c:552 (discriminator 1)) 
[ 173.822144][ T1174] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 173.822301][ T1174] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 173.822472][ T1174] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 173.822648][ T1174] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 173.822806][ T1174] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 173.822973][ T1174] ? __nla_validate_parse (./include/net/netlink.h:1267 (discriminator 1) lib/nlattr.c:622 (discriminator 1)) 
[ 173.823137][ T1174] nfnetlink_rcv (net/netfilter/nfnetlink.c:647 net/netfilter/nfnetlink.c:665) 
[ 173.823293][ T1174] ? __pfx_nfnetlink_rcv (net/netfilter/nfnetlink.c:651) 
[ 173.823452][ T1174] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 173.823613][ T1174] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 173.823777][ T1174] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 173.823942][ T1174] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 173.824103][ T1174] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 173.824265][ T1174] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 173.824430][ T1174] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 173.824590][ T1174] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 173.824747][ T1174] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 173.824953][ T1174] ___sys_sendmsg (net/socket.c:2663) 
[ 173.825111][ T1174] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 173.825275][ T1174] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 173.825435][ T1174] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 173.825596][ T1174] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 173.825752][ T1174] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 173.825910][ T1174] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 173.826070][ T1174] ? do_sock_getsockopt (net/socket.c:2388) 
[ 173.826227][ T1174] ? do_sock_setsockopt (net/socket.c:2303) 
[ 173.826382][ T1174] ? __pfx_do_sock_getsockopt (net/socket.c:2374) 
[ 173.826547][ T1174] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 173.826675][ T1174] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 173.826834][ T1174] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 173.826993][ T1174] ? __pfx___sys_getsockopt (net/socket.c:2415) 
[ 173.827166][ T1174] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 173.827328][ T1174] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  173.827524][ T1174] RIP: 0033:0x7fe81a9db7b7
[ 173.827690][ T1174] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  173.828228][ T1174] RSP: 002b:00007fff7eb30c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  173.828464][ T1174] RAX: ffffffffffffffda RBX: 00007fff7eb41e10 RCX: 00007fe81a9db7b7
[  173.828698][ T1174] RDX: 0000000000000000 RSI: 00007fff7eb41cd0 RDI: 0000000000000005
[  173.828933][ T1174] RBP: 00007fff7eb41dc0 R08: 00007fff7eb30bfc R09: 00007fff7eb30c20
[  173.829171][ T1174] R10: 00007fe81a894708 R11: 0000000000000246 R12: 00007fff7eb41d10
[  173.829404][ T1174] R13: 0000000000004000 R14: 0000000000000005 R15: 00007fff7eb30c30
| [  174.463756][ T1174] 1 lock held by nft/1174:
| [ 174.463920][ T1174] #0: ffff88800b6894c8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid (./include/linux/jiffies.h:101 net/netfilter/nf_tables_api.c:10957) nf_tables
| [  174.464341][ T1174]
| [  174.464341][ T1174] stack backtrace:
[  174.464783][ T1174] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  174.465143][ T1174] Call Trace:
[  174.465267][ T1174]  <TASK>
[ 174.465356][ T1174] dump_stack_lvl (lib/dump_stack.c:123) 
[ 174.465528][ T1174] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) 
[ 174.465695][ T1174] nf_tables_bind_set (net/netfilter/nf_tables_api.c:5498 net/netfilter/nf_tables_api.c:5539) nf_tables
[ 174.465918][ T1174] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 174.466084][ T1174] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 174.466212][ T1174] ? __pfx_nf_tables_bind_set (net/netfilter/nf_tables_api.c:5513) nf_tables
[ 174.466439][ T1174] ? __pfx_nf_tables_bind_check_setelem (net/netfilter/nf_tables_api.c:5481) nf_tables
[ 174.466699][ T1174] ? nft_validate_register_store (net/netfilter/nf_tables_api.c:11170) nf_tables
[ 174.466927][ T1174] nft_lookup_init (net/netfilter/nft_lookup.c:155) nf_tables
[ 174.467153][ T1174] ? nft_parse_register_store (net/netfilter/nf_tables_api.c:11186) nf_tables
[ 174.467376][ T1174] nf_tables_newrule (net/netfilter/nf_tables_api.c:3328 net/netfilter/nf_tables_api.c:4155) nf_tables
[ 174.467610][ T1174] ? __pfx_nf_tables_newrule (net/netfilter/nf_tables_api.c:4010) nf_tables
[ 174.467836][ T1174] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 174.467999][ T1174] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 174.468165][ T1174] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 174.468336][ T1174] nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:524) 
[ 174.468512][ T1174] ? __pfx_nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:373) 
[ 174.468675][ T1174] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380) 
[ 174.468836][ T1174] ? find_stack (lib/stackdepot.c:552 (discriminator 1)) 
[ 174.469005][ T1174] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 174.469165][ T1174] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 174.469340][ T1174] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 174.469522][ T1174] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 174.469688][ T1174] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 174.469851][ T1174] ? __nla_validate_parse (./include/net/netlink.h:1267 (discriminator 1) lib/nlattr.c:622 (discriminator 1)) 
[ 174.470017][ T1174] nfnetlink_rcv (net/netfilter/nfnetlink.c:647 net/netfilter/nfnetlink.c:665) 
[ 174.470179][ T1174] ? __pfx_nfnetlink_rcv (net/netfilter/nfnetlink.c:651) 
[ 174.470347][ T1174] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 174.470515][ T1174] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 174.470681][ T1174] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 174.470850][ T1174] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 174.471016][ T1174] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 174.471180][ T1174] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 174.471349][ T1174] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 174.471513][ T1174] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 174.471677][ T1174] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 174.471891][ T1174] ___sys_sendmsg (net/socket.c:2663) 
[ 174.472054][ T1174] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 174.472217][ T1174] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 174.472382][ T1174] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 174.472544][ T1174] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 174.472707][ T1174] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 174.472877][ T1174] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 174.473045][ T1174] ? do_sock_getsockopt (net/socket.c:2388) 
[ 174.473211][ T1174] ? do_sock_setsockopt (net/socket.c:2303) 
[ 174.473375][ T1174] ? __pfx_do_sock_getsockopt (net/socket.c:2374) 
[ 174.473543][ T1174] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 174.473672][ T1174] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 174.473836][ T1174] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 174.474002][ T1174] ? __pfx___sys_getsockopt (net/socket.c:2415) 
[ 174.474180][ T1174] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 174.474348][ T1174] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  174.474550][ T1174] RIP: 0033:0x7fe81a9db7b7
[ 174.474720][ T1174] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  174.475268][ T1174] RSP: 002b:00007fff7eb30c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  174.475513][ T1174] RAX: ffffffffffffffda RBX: 00007fff7eb41e10 RCX: 00007fe81a9db7b7
[  174.475757][ T1174] RDX: 0000000000000000 RSI: 00007fff7eb41cd0 RDI: 0000000000000005
[  174.475996][ T1174] RBP: 00007fff7eb41dc0 R08: 00007fff7eb30bfc R09: 00007fff7eb30c20
[  174.476237][ T1174] R10: 00007fe81a894708 R11: 0000000000000246 R12: 00007fff7eb41d10


Finger prints:
lockdep_rcu_suspicious:nf_tables_bind_set:nft_lookup_init:nf_tables_newrule:nfnetlink_rcv_batch
lockdep_rcu_suspicious:nf_tables_newset:nfnetlink_rcv_batch:nfnetlink_rcv:netlink_unicast