======================================
| [ 185.814366][ T1172] 1 lock held by nft/1172:
| [ 185.814525][ T1172] #0: ffff88800abbb2c8 (&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
| [ 185.815040][ T1172]
| [ 185.815040][ T1172] stack backtrace:
[ 185.815482][ T1172] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 185.815837][ T1172] Call Trace:
[ 185.815963][ T1172] <TASK>
[ 185.816050][ T1172] dump_stack_lvl (lib/dump_stack.c:123)
[ 185.816221][ T1172] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822)
[ 185.816386][ T1172] nft_set_lookup.part.0 (net/netfilter/nf_tables_api.c:4467) nf_tables
[ 185.816608][ T1172] nf_tables_newset (net/netfilter/nf_tables_api.c:5230) nf_tables
[ 185.816841][ T1172] ? __pfx_nf_tables_newset (net/netfilter/nf_tables_api.c:5072) nf_tables
[ 185.817068][ T1172] ? find_held_lock (kernel/locking/lockdep.c:5315)
[ 185.817234][ T1172] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790)
[ 185.817393][ T1172] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 185.817555][ T1172] ? __nla_validate_parse (lib/nlattr.c:638)
[ 185.817723][ T1172] nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:524)
[ 185.817900][ T1172] ? __pfx_nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:373)
[ 185.818065][ T1172] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380)
[ 185.818223][ T1172] ? find_stack (lib/stackdepot.c:552 (discriminator 1))
[ 185.818386][ T1172] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 185.818562][ T1172] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872)
[ 185.818734][ T1172] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 185.818913][ T1172] ? find_held_lock (kernel/locking/lockdep.c:5315)
[ 185.819075][ T1172] ? __lock_release (kernel/locking/lockdep.c:5501)
[ 185.819230][ T1172] ? __nla_validate_parse (./include/net/netlink.h:1267 (discriminator 1) lib/nlattr.c:622 (discriminator 1))
[ 185.819396][ T1172] nfnetlink_rcv (net/netfilter/nfnetlink.c:647 net/netfilter/nfnetlink.c:665)
[ 185.819554][ T1172] ? __pfx_nfnetlink_rcv (net/netfilter/nfnetlink.c:651)
[ 185.819716][ T1172] ? 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)
[ 185.819881][ T1172] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[ 185.820042][ T1172] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342)
[ 185.820207][ T1172] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[ 185.820367][ T1172] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820)
[ 185.820529][ T1172] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449)
[ 185.820697][ T1172] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607)
[ 185.820865][ T1172] ? __pfx_____sys_sendmsg (net/socket.c:2553)
[ 185.821022][ T1172] ? __pfx_copy_msghdr_from_user (net/socket.c:2533)
[ 185.821233][ T1172] ___sys_sendmsg (net/socket.c:2663)
[ 185.821389][ T1172] ? __lock_release (kernel/locking/lockdep.c:5501)
[ 185.821551][ T1172] ? __pfx____sys_sendmsg (net/socket.c:2650)
[ 185.821712][ T1172] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698)
[ 185.821875][ T1172] ? lock_acquire (kernel/locking/lockdep.c:5798)
[ 185.822038][ T1172] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698)
[ 185.822198][ T1172] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698)
[ 185.822361][ T1172] ? do_sock_getsockopt (net/socket.c:2388)
[ 185.822521][ T1172] ? do_sock_setsockopt (net/socket.c:2303)
[ 185.822680][ T1172] ? __pfx_do_sock_getsockopt (net/socket.c:2374)
[ 185.822844][ T1172] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128)
[ 185.822971][ T1172] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692)
[ 185.823131][ T1172] ? __pfx___sys_sendmsg (net/socket.c:2678)
[ 185.823298][ T1172] ? __pfx___sys_getsockopt (net/socket.c:2415)
[ 185.823472][ T1172] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 185.823632][ T1172] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 185.823827][ T1172] RIP: 0033:0x7f1a159147b7
[ 185.823997][ T1172] 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)
[ 185.824548][ T1172] RSP: 002b:00007ffd0f1abdc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 185.824790][ T1172] RAX: ffffffffffffffda RBX: 00007ffd0f1bcfc0 RCX: 00007f1a159147b7
[ 185.825029][ T1172] RDX: 0000000000000000 RSI: 00007ffd0f1bce80 RDI: 0000000000000005
[ 185.825358][ T1172] RBP: 00007ffd0f1bcf70 R08: 00007ffd0f1abdac R09: 00007ffd0f1abdd0
[ 185.825595][ T1172] R10: 00007f1a157cd708 R11: 0000000000000246 R12: 00007ffd0f1bcec0
[ 185.825837][ T1172] R13: 0000000000004000 R14: 0000000000000005 R15: 00007ffd0f1abde0
| [ 186.462568][ T1172] 1 lock held by nft/1172:
| [ 186.462788][ T1172] #0: ffff88800abbb2c8 (&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
| [ 186.463235][ T1172]
| [ 186.463235][ T1172] stack backtrace:
[ 186.463698][ T1172] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 186.464076][ T1172] Call Trace:
[ 186.464205][ T1172] <TASK>
[ 186.464307][ T1172] dump_stack_lvl (lib/dump_stack.c:123)
[ 186.464492][ T1172] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822)
[ 186.464671][ T1172] nf_tables_bind_set (net/netfilter/nf_tables_api.c:5495 net/netfilter/nf_tables_api.c:5536) nf_tables
[ 186.464928][ T1172] ? 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)
[ 186.465098][ T1172] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3))
[ 186.465242][ T1172] ? __pfx_nf_tables_bind_set (net/netfilter/nf_tables_api.c:5510) nf_tables
[ 186.465467][ T1172] ? __pfx_nf_tables_bind_check_setelem (net/netfilter/nf_tables_api.c:5478) nf_tables
[ 186.465770][ T1172] ? nft_validate_register_store (net/netfilter/nf_tables_api.c:11167) nf_tables
[ 186.466029][ T1172] nft_lookup_init (net/netfilter/nft_lookup.c:155) nf_tables
[ 186.466255][ T1172] ? nft_parse_register_store (net/netfilter/nf_tables_api.c:11183) nf_tables
[ 186.466501][ T1172] nf_tables_newrule (net/netfilter/nf_tables_api.c:3328 net/netfilter/nf_tables_api.c:4152) nf_tables
[ 186.466771][ T1172] ? __pfx_nf_tables_newrule (net/netfilter/nf_tables_api.c:4007) nf_tables
[ 186.466998][ T1172] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790)
[ 186.467174][ T1172] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 186.467352][ T1172] ? __nla_validate_parse (lib/nlattr.c:638)
[ 186.467536][ T1172] nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:524)
[ 186.467736][ T1172] ? __pfx_nfnetlink_rcv_batch (net/netfilter/nfnetlink.c:373)
[ 186.467901][ T1172] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380)
[ 186.468064][ T1172] ? find_stack (lib/stackdepot.c:552 (discriminator 1))
[ 186.468245][ T1172] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 186.468413][ T1172] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872)
[ 186.468633][ T1172] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 186.468837][ T1172] ? find_held_lock (kernel/locking/lockdep.c:5315)
[ 186.469004][ T1172] ? __lock_release (kernel/locking/lockdep.c:5501)
[ 186.469164][ T1172] ? __nla_validate_parse (./include/net/netlink.h:1267 (discriminator 1) lib/nlattr.c:622 (discriminator 1))
[ 186.469330][ T1172] nfnetlink_rcv (net/netfilter/nfnetlink.c:647 net/netfilter/nfnetlink.c:665)
[ 186.469504][ T1172] ? __pfx_nfnetlink_rcv (net/netfilter/nfnetlink.c:651)
[ 186.469692][ T1172] ? 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)
[ 186.469881][ T1172] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[ 186.470047][ T1172] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342)
[ 186.470220][ T1172] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[ 186.470402][ T1172] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820)
[ 186.470577][ T1172] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449)
[ 186.470784][ T1172] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607)
[ 186.470948][ T1172] ? __pfx_____sys_sendmsg (net/socket.c:2553)
[ 186.471108][ T1172] ? __pfx_copy_msghdr_from_user (net/socket.c:2533)
[ 186.471326][ T1172] ___sys_sendmsg (net/socket.c:2663)
[ 186.471509][ T1172] ? __lock_release (kernel/locking/lockdep.c:5501)
[ 186.471688][ T1172] ? __pfx____sys_sendmsg (net/socket.c:2650)
[ 186.471872][ T1172] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698)
[ 186.472039][ T1172] ? lock_acquire (kernel/locking/lockdep.c:5798)
[ 186.472198][ T1172] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698)
[ 186.472372][ T1172] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698)
[ 186.472552][ T1172] ? do_sock_getsockopt (net/socket.c:2388)
[ 186.472725][ T1172] ? do_sock_setsockopt (net/socket.c:2303)
[ 186.472886][ T1172] ? __pfx_do_sock_getsockopt (net/socket.c:2374)
[ 186.473066][ T1172] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128)
[ 186.473213][ T1172] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692)
[ 186.473377][ T1172] ? __pfx___sys_sendmsg (net/socket.c:2678)
[ 186.473541][ T1172] ? __pfx___sys_getsockopt (net/socket.c:2415)
[ 186.473761][ T1172] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 186.473926][ T1172] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 186.474145][ T1172] RIP: 0033:0x7f1a159147b7
[ 186.474323][ T1172] 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)
[ 186.474914][ T1172] RSP: 002b:00007ffd0f1abdc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 186.475171][ T1172] RAX: ffffffffffffffda RBX: 00007ffd0f1bcfc0 RCX: 00007f1a159147b7
[ 186.475435][ T1172] RDX: 0000000000000000 RSI: 00007ffd0f1bce80 RDI: 0000000000000005
[ 186.475693][ T1172] RBP: 00007ffd0f1bcf70 R08: 00007ffd0f1abdac R09: 00007ffd0f1abdd0
[ 186.475952][ T1172] R10: 00007f1a157cd708 R11: 0000000000000246 R12: 00007ffd0f1bcec0
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