======================================
| [   42.525393][  T267] 1 lock held by nft/267:
| [ 42.525606][ T267] #0: ffff8880068aeec8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid (./include/linux/jiffies.h:101 net/netfilter/nf_tables_api.c:10954) nf_tables
| [   42.526410][  T267]
| [   42.526410][  T267] stack backtrace:
[   42.527553][  T267] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   42.528225][  T267] Call Trace:
[   42.528457][  T267]  <TASK>
[ 42.528633][ T267] dump_stack_lvl (lib/dump_stack.c:123) 
[ 42.528944][ T267] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) 
[ 42.529247][ T267] nft_set_lookup.part.0 (net/netfilter/nf_tables_api.c:4467) nf_tables
[ 42.529645][ T267] nf_tables_newset (net/netfilter/nf_tables_api.c:5230) nf_tables
[ 42.530048][ T267] ? __pfx_nf_tables_newset (net/netfilter/nf_tables_api.c:5072) nf_tables
[ 42.530459][ T267] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 42.530786][ T267] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 42.531089][ T267] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 42.531361][ T267] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 42.531655][ T267] nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:524) 
[ 42.531975][ T267] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 42.532261][ T267] ? __pfx_nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:373) 
[ 42.532542][ T267] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.532803][ T267] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.533060][ T267] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 42.533357][ T267] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 42.533676][ T267] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 42.533972][ T267] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 42.534254][ T267] ? __nla_validate_parse (./include/net/netlink.h:1267 (discriminator 1) lib/nlattr.c:622 (discriminator 1)) 
[ 42.534539][ T267] nfnetlink_rcv (net/netfilter/nfnetlink.c:647 net/netfilter/nfnetlink.c:665) 
[ 42.534837][ T267] ? __pfx_nfnetlink_rcv (net/netfilter/nfnetlink.c:651) 
[ 42.535131][ T267] ? 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) 
[ 42.535412][ T267] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 42.535695][ T267] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 42.535996][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 42.536338][ T267] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 42.536641][ T267] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 42.536930][ T267] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 42.537212][ T267] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 42.537497][ T267] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 42.537892][ T267] ___sys_sendmsg (net/socket.c:2663) 
[ 42.538210][ T267] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 42.538493][ T267] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 42.538781][ T267] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 42.539087][ T267] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 42.539355][ T267] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 42.539665][ T267] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 42.539939][ T267] ? do_sock_getsockopt (net/socket.c:2388) 
[ 42.540223][ T267] ? do_sock_setsockopt (net/socket.c:2303) 
[ 42.540478][ T267] ? __pfx_do_sock_getsockopt (net/socket.c:2374) 
[ 42.540755][ T267] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 42.540951][ T267] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 42.541229][ T267] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 42.541500][ T267] ? __pfx___sys_getsockopt (net/socket.c:2415) 
[ 42.541787][ T267] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.542087][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.542429][  T267] RIP: 0033:0x7f15737f37b7
[ 42.542709][ T267] 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)
[   42.543602][  T267] RSP: 002b:00007fff3c4e5168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.544019][  T267] RAX: ffffffffffffffda RBX: 00007fff3c4f6360 RCX: 00007f15737f37b7
[   42.544421][  T267] RDX: 0000000000000000 RSI: 00007fff3c4f6220 RDI: 0000000000000005
[   42.544840][  T267] RBP: 00007fff3c4f6310 R08: 00007fff3c4e514c R09: 00007fff3c4e5170
[   42.545240][  T267] R10: 00007f15736ac708 R11: 0000000000000246 R12: 00007fff3c4f6260
[   42.545630][  T267] R13: 0000000000000800 R14: 0000000000000005 R15: 00007fff3c4e5180
| [   43.164233][  T271] 1 lock held by nft/271:
| [ 43.164476][ T271] #0: ffff8880068aeec8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid (./include/linux/jiffies.h:101 net/netfilter/nf_tables_api.c:10954) nf_tables
| [   43.165173][  T271]
| [   43.165173][  T271] stack backtrace:
[   43.165967][  T271] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   43.166609][  T271] Call Trace:
[   43.166832][  T271]  <TASK>
[ 43.166983][ T271] dump_stack_lvl (lib/dump_stack.c:123) 
[ 43.167280][ T271] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) 
[ 43.167568][ T271] nft_set_flush.constprop.0 (net/netfilter/nf_tables_api.c:7495 net/netfilter/nf_tables_api.c:7519) nf_tables
[ 43.167969][ T271] ? __pfx_nft_set_flush.constprop.0 (net/netfilter/nf_tables_api.c:7509) nf_tables
[ 43.168457][ T271] ? __pfx_nft_setelem_flush (net/netfilter/nf_tables_api.c:7445) nf_tables
[ 43.168843][ T271] ? nla_strcmp (./include/net/netlink.h:1256 lib/nlattr.c:875) 
[ 43.169071][ T271] nf_tables_delsetelem (net/netfilter/nf_tables_api.c:7560) nf_tables
[ 43.169461][ T271] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 43.169744][ T271] ? __pfx_nf_tables_delsetelem (net/netfilter/nf_tables_api.c:7527) nf_tables
[ 43.170124][ T271] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 43.170410][ T271] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 43.170722][ T271] nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:524) 
[ 43.171027][ T271] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 43.171316][ T271] ? __pfx_nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:373) 
[ 43.171605][ T271] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.171892][ T271] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.172173][ T271] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 43.172478][ T271] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 43.172775][ T271] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 43.173122][ T271] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 43.173430][ T271] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 43.173727][ T271] ? __nla_validate_parse (./include/net/netlink.h:1267 (discriminator 1) lib/nlattr.c:622 (discriminator 1)) 
[ 43.174016][ T271] nfnetlink_rcv (net/netfilter/nfnetlink.c:647 net/netfilter/nfnetlink.c:665) 
[ 43.174299][ T271] ? __pfx_nfnetlink_rcv (net/netfilter/nfnetlink.c:651) 
[ 43.174629][ T271] ? 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) 
[ 43.174940][ T271] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 43.175226][ T271] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 43.175538][ T271] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 43.175828][ T271] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 43.176164][ T271] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 43.176476][ T271] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 43.176761][ T271] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 43.177022][ T271] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 43.177394][ T271] ___sys_sendmsg (net/socket.c:2663) 
[ 43.177738][ T271] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 43.178032][ T271] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 43.178309][ T271] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 43.178609][ T271] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 43.178884][ T271] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 43.179175][ T271] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 43.179453][ T271] ? do_sock_getsockopt (net/socket.c:2388) 
[ 43.179754][ T271] ? do_sock_setsockopt (net/socket.c:2303) 
[ 43.180057][ T271] ? __pfx_do_sock_getsockopt (net/socket.c:2374) 
[ 43.180385][ T271] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 43.180656][ T271] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 43.180978][ T271] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 43.181354][ T271] ? __pfx___sys_getsockopt (net/socket.c:2415) 
[ 43.181680][ T271] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.182036][ T271] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.182407][  T271] RIP: 0033:0x7f08a18727b7
[ 43.182737][ T271] 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)
[   43.183760][  T271] RSP: 002b:00007ffc1503d048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.184237][  T271] RAX: ffffffffffffffda RBX: 00007ffc1504e240 RCX: 00007f08a18727b7
[   43.184726][  T271] RDX: 0000000000000000 RSI: 00007ffc1504e100 RDI: 0000000000000005
[   43.185166][  T271] RBP: 00007ffc1504e1f0 R08: 00007ffc1503d02c R09: 00007ffc1503d050
[   43.185606][  T271] R10: 00007f08a172b708 R11: 0000000000000246 R12: 00007ffc1504e140


Finger prints:
lockdep_rcu_suspicious:nf_tables_delsetelem:nfnetlink_rcv_batch:nfnetlink_rcv:netlink_unicast
lockdep_rcu_suspicious:nf_tables_newset:nfnetlink_rcv_batch:nfnetlink_rcv:netlink_unicast