======================================
| [  198.441318][ T1173] 1 lock held by nft/1173:
| [ 198.441483][ T1173] #0: ffff88800a8edcc8 (&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
| [  198.441926][ T1173]
| [  198.441926][ T1173] stack backtrace:
[  198.442703][ T1173] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  198.443057][ T1173] Call Trace:
[  198.443191][ T1173]  <TASK>
[ 198.443282][ T1173] dump_stack_lvl (lib/dump_stack.c:123) 
[ 198.443458][ T1173] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) 
[ 198.443624][ T1173] nft_set_lookup.part.0 (net/netfilter/nf_tables_api.c:4470) nf_tables
[ 198.443876][ T1173] nf_tables_newset (net/netfilter/nf_tables_api.c:5233) nf_tables
[ 198.444108][ T1173] ? __pfx_nf_tables_newset (net/netfilter/nf_tables_api.c:5075) nf_tables
[ 198.444349][ T1173] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 198.444518][ T1173] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 198.444684][ T1173] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 198.444850][ T1173] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 198.445024][ T1173] nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:524) 
[ 198.445202][ T1173] ? __pfx_nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:373) 
[ 198.445380][ T1173] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380) 
[ 198.445542][ T1173] ? find_stack (lib/stackdepot.c:552 (discriminator 1)) 
[ 198.445710][ T1173] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 198.445880][ T1173] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 198.446062][ T1173] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 198.446259][ T1173] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 198.446436][ T1173] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 198.446609][ T1173] ? __nla_validate_parse (./include/net/netlink.h:1267 (discriminator 1) lib/nlattr.c:622 (discriminator 1)) 
[ 198.446797][ T1173] nfnetlink_rcv (net/netfilter/nfnetlink.c:647 net/netfilter/nfnetlink.c:665) 
[ 198.446974][ T1173] ? __pfx_nfnetlink_rcv (net/netfilter/nfnetlink.c:651) 
[ 198.447149][ T1173] ? 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) 
[ 198.447333][ T1173] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 198.447511][ T1173] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 198.447697][ T1173] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 198.447874][ T1173] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 198.448060][ T1173] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 198.448245][ T1173] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 198.448429][ T1173] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 198.448603][ T1173] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 198.448835][ T1173] ___sys_sendmsg (net/socket.c:2663) 
[ 198.449014][ T1173] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 198.449198][ T1173] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 198.449382][ T1173] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 198.449566][ T1173] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 198.449756][ T1173] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 198.449938][ T1173] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 198.450135][ T1173] ? do_sock_getsockopt (net/socket.c:2388) 
[ 198.450313][ T1173] ? do_sock_setsockopt (net/socket.c:2303) 
[ 198.450490][ T1173] ? __pfx_do_sock_getsockopt (net/socket.c:2374) 
[ 198.450673][ T1173] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 198.450818][ T1173] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 198.451000][ T1173] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 198.451187][ T1173] ? __pfx___sys_getsockopt (net/socket.c:2415) 
[ 198.451385][ T1173] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 198.451569][ T1173] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  198.451792][ T1173] RIP: 0033:0x7fba50dbe7b7
[ 198.451980][ T1173] 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)
[  198.452612][ T1173] RSP: 002b:00007ffd9a904798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  198.452892][ T1173] RAX: ffffffffffffffda RBX: 00007ffd9a915990 RCX: 00007fba50dbe7b7
[  198.453161][ T1173] RDX: 0000000000000000 RSI: 00007ffd9a915850 RDI: 0000000000000005
[  198.453425][ T1173] RBP: 00007ffd9a915940 R08: 00007ffd9a90477c R09: 00007ffd9a9047a0
[  198.453688][ T1173] R10: 00007fba50c77708 R11: 0000000000000246 R12: 00007ffd9a915890
[  198.453961][ T1173] R13: 0000000000004000 R14: 0000000000000005 R15: 00007ffd9a9047b0
| [  199.167678][ T1173] 1 lock held by nft/1173:
| [ 199.167879][ T1173] #0: ffff88800a8edcc8 (&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
| [  199.168360][ T1173]
| [  199.168360][ T1173] stack backtrace:
[  199.168871][ T1173] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  199.169323][ T1173] Call Trace:
[  199.169469][ T1173]  <TASK>
[ 199.169567][ T1173] dump_stack_lvl (lib/dump_stack.c:123) 
[ 199.169756][ T1173] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) 
[ 199.169944][ T1173] nf_tables_bind_set (net/netfilter/nf_tables_api.c:5498 net/netfilter/nf_tables_api.c:5539) nf_tables
[ 199.170241][ T1173] ? 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) 
[ 199.170426][ T1173] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 199.170567][ T1173] ? __pfx_nf_tables_bind_set (net/netfilter/nf_tables_api.c:5513) nf_tables
[ 199.170815][ T1173] ? __pfx_nf_tables_bind_check_setelem (net/netfilter/nf_tables_api.c:5481) nf_tables
[ 199.171114][ T1173] ? nft_validate_register_store (net/netfilter/nf_tables_api.c:11170) nf_tables
[ 199.171382][ T1173] nft_lookup_init (net/netfilter/nft_lookup.c:155) nf_tables
[ 199.171636][ T1173] ? nft_parse_register_store (net/netfilter/nf_tables_api.c:11186) nf_tables
[ 199.171882][ T1173] nf_tables_newrule (net/netfilter/nf_tables_api.c:3328 net/netfilter/nf_tables_api.c:4155) nf_tables
[ 199.172149][ T1173] ? __pfx_nf_tables_newrule (net/netfilter/nf_tables_api.c:4010) nf_tables
[ 199.172400][ T1173] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 199.172589][ T1173] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 199.172782][ T1173] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 199.172971][ T1173] nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:524) 
[ 199.173208][ T1173] ? __pfx_nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:373) 
[ 199.173398][ T1173] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380) 
[ 199.173584][ T1173] ? find_stack (lib/stackdepot.c:552 (discriminator 1)) 
[ 199.173772][ T1173] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 199.173961][ T1173] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 199.174192][ T1173] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 199.174413][ T1173] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 199.174600][ T1173] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 199.174780][ T1173] ? __nla_validate_parse (./include/net/netlink.h:1267 (discriminator 1) lib/nlattr.c:622 (discriminator 1)) 
[ 199.174970][ T1173] nfnetlink_rcv (net/netfilter/nfnetlink.c:647 net/netfilter/nfnetlink.c:665) 
[ 199.175148][ T1173] ? __pfx_nfnetlink_rcv (net/netfilter/nfnetlink.c:651) 
[ 199.175331][ T1173] ? 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) 
[ 199.175523][ T1173] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 199.175709][ T1173] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 199.175915][ T1173] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 199.176095][ T1173] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 199.176304][ T1173] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 199.176489][ T1173] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 199.176692][ T1173] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 199.176875][ T1173] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 199.177147][ T1173] ___sys_sendmsg (net/socket.c:2663) 
[ 199.177347][ T1173] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 199.177528][ T1173] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 199.177728][ T1173] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 199.177907][ T1173] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 199.178099][ T1173] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 199.178295][ T1173] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) 
[ 199.178479][ T1173] ? do_sock_getsockopt (net/socket.c:2388) 
[ 199.178655][ T1173] ? do_sock_setsockopt (net/socket.c:2303) 
[ 199.178841][ T1173] ? __pfx_do_sock_getsockopt (net/socket.c:2374) 
[ 199.179028][ T1173] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 199.179185][ T1173] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 199.179375][ T1173] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 199.179558][ T1173] ? __pfx___sys_getsockopt (net/socket.c:2415) 
[ 199.179751][ T1173] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 199.179937][ T1173] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  199.180185][ T1173] RIP: 0033:0x7fba50dbe7b7
[ 199.180385][ T1173] 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)
[  199.180993][ T1173] RSP: 002b:00007ffd9a904798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  199.181288][ T1173] RAX: ffffffffffffffda RBX: 00007ffd9a915990 RCX: 00007fba50dbe7b7
[  199.181610][ T1173] RDX: 0000000000000000 RSI: 00007ffd9a915850 RDI: 0000000000000005
[  199.181876][ T1173] RBP: 00007ffd9a915940 R08: 00007ffd9a90477c R09: 00007ffd9a9047a0
[  199.182150][ T1173] R10: 00007fba50c77708 R11: 0000000000000246 R12: 00007ffd9a915890


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