======================================
| [  248.282490][ T1539] 1 lock held by nft/1539:
| [ 248.282656][ T1539] #0: ffff888029b7cac8 (&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
| [  248.283065][ T1539]
| [  248.283065][ T1539] stack backtrace:
[  248.283518][ T1539] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  248.283866][ T1539] Call Trace:
[  248.283993][ T1539]  <TASK>
[ 248.284086][ T1539] dump_stack_lvl (lib/dump_stack.c:123) 
[ 248.284258][ T1539] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) 
[ 248.284430][ T1539] nft_set_lookup.part.0 (net/netfilter/nf_tables_api.c:4470) nf_tables
[ 248.284653][ T1539] nf_tables_newset (net/netfilter/nf_tables_api.c:5233) nf_tables
[ 248.284886][ T1539] ? __pfx_nf_tables_newset (net/netfilter/nf_tables_api.c:5075) nf_tables
[ 248.285119][ T1539] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 248.285286][ T1539] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 248.285456][ T1539] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 248.285623][ T1539] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 248.285794][ T1539] nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:524) 
[ 248.285964][ T1539] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 248.286122][ T1539] ? __pfx_nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:373) 
[ 248.286288][ T1539] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 248.286454][ T1539] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 248.286610][ T1539] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 248.286787][ T1539] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 248.286964][ T1539] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 248.287131][ T1539] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 248.287304][ T1539] ? __nla_validate_parse (./include/net/netlink.h:1267 (discriminator 1) lib/nlattr.c:622 (discriminator 1)) 
[ 248.287470][ T1539] nfnetlink_rcv (net/netfilter/nfnetlink.c:647 net/netfilter/nfnetlink.c:665) 
[ 248.287631][ T1539] ? __pfx_nfnetlink_rcv (net/netfilter/nfnetlink.c:651) 
[ 248.287794][ T1539] ? 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) 
[ 248.287957][ T1539] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 248.288118][ T1539] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 248.288285][ T1539] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 248.288455][ T1539] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 248.288624][ T1539] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 248.288791][ T1539] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 248.288954][ T1539] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 248.289111][ T1539] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 248.289325][ T1539] ___sys_sendmsg (net/socket.c:2663) 
[ 248.289496][ T1539] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 248.289657][ T1539] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 248.289826][ T1539] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 248.289991][ T1539] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 248.290148][ T1539] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 248.290311][ T1539] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 248.290475][ T1539] ? do_sock_getsockopt (net/socket.c:2388) 
[ 248.290636][ T1539] ? do_sock_setsockopt (net/socket.c:2303) 
[ 248.290793][ T1539] ? __pfx_do_sock_getsockopt (net/socket.c:2374) 
[ 248.290956][ T1539] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 248.291090][ T1539] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 248.291251][ T1539] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 248.291412][ T1539] ? __pfx___sys_getsockopt (net/socket.c:2415) 
[ 248.291586][ T1539] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 248.291747][ T1539] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  248.291944][ T1539] RIP: 0033:0x7f75790957b7
[ 248.292111][ T1539] 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)
[  248.292666][ T1539] RSP: 002b:00007ffedcbebe98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  248.292906][ T1539] RAX: ffffffffffffffda RBX: 00007ffedcbfd090 RCX: 00007f75790957b7
[  248.293142][ T1539] RDX: 0000000000000000 RSI: 00007ffedcbfcf50 RDI: 0000000000000005
[  248.293383][ T1539] RBP: 00007ffedcbfd040 R08: 00007ffedcbebe7c R09: 00007ffedcbebea0
[  248.293625][ T1539] R10: 00007f7578f4e708 R11: 0000000000000246 R12: 00007ffedcbfcf90
[  248.293859][ T1539] R13: 0000000000000800 R14: 0000000000000005 R15: 00007ffedcbebeb0
| [  248.768855][ T1541] 1 lock held by nft/1541:
| [ 248.769014][ T1541] #0: ffff888029b7cac8 (&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
| [  248.769436][ T1541]
| [  248.769436][ T1541] stack backtrace:
[  248.769882][ T1541] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  248.770228][ T1541] Call Trace:
[  248.770354][ T1541]  <TASK>
[ 248.770439][ T1541] dump_stack_lvl (lib/dump_stack.c:123) 
[ 248.770606][ T1541] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) 
[ 248.770793][ T1541] nft_set_flush.constprop.0 (net/netfilter/nf_tables_api.c:7498 net/netfilter/nf_tables_api.c:7522) nf_tables
[ 248.771030][ T1541] ? __pfx_nft_set_flush.constprop.0 (net/netfilter/nf_tables_api.c:7512) nf_tables
[ 248.771291][ T1541] ? __pfx_nft_setelem_flush (net/netfilter/nf_tables_api.c:7448) nf_tables
[ 248.771536][ T1541] ? nla_strcmp (./include/net/netlink.h:1256 lib/nlattr.c:875) 
[ 248.771669][ T1541] nf_tables_delsetelem (net/netfilter/nf_tables_api.c:7563) nf_tables
[ 248.771918][ T1541] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 248.772077][ T1541] ? __pfx_nf_tables_delsetelem (net/netfilter/nf_tables_api.c:7530) nf_tables
[ 248.772313][ T1541] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 248.772475][ T1541] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 248.772661][ T1541] nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:524) 
[ 248.772854][ T1541] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 248.773014][ T1541] ? __pfx_nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:373) 
[ 248.773194][ T1541] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 248.773360][ T1541] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 248.773537][ T1541] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 248.773712][ T1541] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 248.773898][ T1541] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 248.774088][ T1541] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 248.774248][ T1541] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 248.774403][ T1541] ? __nla_validate_parse (./include/net/netlink.h:1267 (discriminator 1) lib/nlattr.c:622 (discriminator 1)) 
[ 248.774566][ T1541] nfnetlink_rcv (net/netfilter/nfnetlink.c:647 net/netfilter/nfnetlink.c:665) 
[ 248.774722][ T1541] ? __pfx_nfnetlink_rcv (net/netfilter/nfnetlink.c:651) 
[ 248.774882][ T1541] ? 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) 
[ 248.775041][ T1541] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 248.775206][ T1541] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 248.775376][ T1541] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 248.775537][ T1541] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 248.775695][ T1541] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 248.775862][ T1541] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 248.776022][ T1541] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 248.776205][ T1541] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 248.776423][ T1541] ___sys_sendmsg (net/socket.c:2663) 
[ 248.776621][ T1541] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 248.776782][ T1541] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 248.776961][ T1541] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 248.777120][ T1541] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 248.777301][ T1541] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 248.777459][ T1541] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 248.777642][ T1541] ? do_sock_getsockopt (net/socket.c:2388) 
[ 248.777800][ T1541] ? do_sock_setsockopt (net/socket.c:2303) 
[ 248.777970][ T1541] ? __pfx_do_sock_getsockopt (net/socket.c:2374) 
[ 248.778156][ T1541] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 248.778285][ T1541] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 248.778464][ T1541] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 248.778625][ T1541] ? __pfx___sys_getsockopt (net/socket.c:2415) 
[ 248.778809][ T1541] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 248.778988][ T1541] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  248.779184][ T1541] RIP: 0033:0x7f0a340ac7b7
[ 248.779350][ T1541] 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)
[  248.779953][ T1541] RSP: 002b:00007ffd40cd4ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  248.780191][ T1541] RAX: ffffffffffffffda RBX: 00007ffd40ce60a0 RCX: 00007f0a340ac7b7
[  248.780480][ T1541] RDX: 0000000000000000 RSI: 00007ffd40ce5f60 RDI: 0000000000000005
[  248.780739][ T1541] RBP: 00007ffd40ce6050 R08: 00007ffd40cd4e8c R09: 00007ffd40cd4eb0
[  248.781016][ T1541] R10: 00007f0a33f65708 R11: 0000000000000246 R12: 00007ffd40ce5fa0


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