[ 3233.395354][T15421] Initializing XFRM netlink socket [ 3476.257611][T16895] [ 3476.257951][T16895] ============================= [ 3476.258116][T16895] WARNING: suspicious RCU usage [ 3476.258299][T16895] 6.12.0-rc4-virtme #1 Not tainted [ 3476.258464][T16895] ----------------------------- [ 3476.258625][T16895] net/netfilter/nf_tables_api.c:3420 RCU-list traversed in non-reader section!! [ 3476.258898][T16895] [ 3476.258898][T16895] other info that might help us debug this: [ 3476.258898][T16895] [ 3476.259215][T16895] [ 3476.259215][T16895] rcu_scheduler_active = 2, debug_locks = 1 [ 3476.259450][T16895] 1 lock held by iptables/16895: [ 3476.259615][T16895] #0: ffff88800617e8c8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid+0x2e/0xf0 [nf_tables] [ 3476.260207][T16895] [ 3476.260207][T16895] stack backtrace: [ 3476.260406][T16895] CPU: 0 UID: 0 PID: 16895 Comm: iptables Not tainted 6.12.0-rc4-virtme #1 [ 3476.260688][T16895] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3476.261069][T16895] Call Trace: [ 3476.261200][T16895] [ 3476.261288][T16895] dump_stack_lvl+0xb0/0xd0 [ 3476.261474][T16895] lockdep_rcu_suspicious+0x1ea/0x280 [ 3476.261643][T16895] __nft_rule_lookup+0x114/0x150 [nf_tables] [ 3476.261872][T16895] nf_tables_newrule+0x46e/0x21d0 [nf_tables] [ 3476.262107][T16895] ? net_generic+0xb1/0x1f0 [ 3476.262271][T16895] ? __pfx_nf_tables_newrule+0x10/0x10 [nf_tables] [ 3476.262495][T16895] ? trace_lock_acquire+0x14d/0x1f0 [ 3476.262661][T16895] ? __nla_validate_parse+0x1bc/0x3d0 [ 3476.262831][T16895] nfnetlink_rcv_batch+0x83b/0x1560 [ 3476.263005][T16895] ? __pfx_nfnetlink_rcv_batch+0x10/0x10 [ 3476.263167][T16895] ? rcu_read_lock_any_held+0x7e/0xb0 [ 3476.263329][T16895] ? find_stack+0xbc/0x140 [ 3476.263495][T16895] ? rcu_read_lock_any_held+0x43/0xb0 [ 3476.263654][T16895] ? validate_chain+0x1fe/0xae0 [ 3476.263829][T16895] ? __pfx_validate_chain+0x10/0x10 [ 3476.263998][T16895] ? __lock_acquire+0xb3f/0x1580 [ 3476.264159][T16895] ? __pfx_validate_nla+0x10/0x10 [ 3476.264327][T16895] ? find_held_lock+0x2c/0x110 [ 3476.264490][T16895] ? __nla_validate_parse+0x1bc/0x3d0 [ 3476.264661][T16895] nfnetlink_rcv+0x2c9/0x340 [ 3476.264821][T16895] ? __pfx_nfnetlink_rcv+0x10/0x10 [ 3476.264983][T16895] ? netlink_deliver_tap+0xc3/0x340 [ 3476.265147][T16895] netlink_unicast+0x44b/0x710 [ 3476.265311][T16895] ? __pfx_netlink_unicast+0x10/0x10 [ 3476.265470][T16895] ? find_held_lock+0x2c/0x110 [ 3476.265635][T16895] netlink_sendmsg+0x723/0xbe0 [ 3476.265800][T16895] ? __pfx_netlink_sendmsg+0x10/0x10 [ 3476.265960][T16895] ? __might_fault+0xc3/0x170 [ 3476.266121][T16895] ? __import_iovec+0x35d/0x5d0 [ 3476.266291][T16895] ____sys_sendmsg+0x7ac/0xa10 [ 3476.266454][T16895] ? __pfx_____sys_sendmsg+0x10/0x10 [ 3476.266612][T16895] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 3476.266815][T16895] ? sk_setsockopt+0x9e3/0x2cc0 [ 3476.266974][T16895] ? __local_bh_enable_ip+0xa6/0x120 [ 3476.267139][T16895] ___sys_sendmsg+0xee/0x170 [ 3476.267304][T16895] ? __pfx____sys_sendmsg+0x10/0x10 [ 3476.267467][T16895] ? __lock_acquire+0xb3f/0x1580 [ 3476.267627][T16895] ? usage_skip+0x172/0x190 [ 3476.267788][T16895] ? trace_kfree+0x2d/0xd0 [ 3476.267946][T16895] ? kfree+0x2d/0x340 [ 3476.268076][T16895] ? do_sock_setsockopt+0x15b/0x3a0 [ 3476.268235][T16895] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 3476.268401][T16895] ? fdget+0x52/0x1e0 [ 3476.268530][T16895] __sys_sendmsg+0xcd/0x170 [ 3476.268692][T16895] ? __pfx___sys_sendmsg+0x10/0x10 [ 3476.268849][T16895] ? __sys_setsockopt+0x104/0x1a0 [ 3476.269010][T16895] ? __pfx___sys_setsockopt+0x10/0x10 [ 3476.269186][T16895] do_syscall_64+0xc1/0x1d0 [ 3476.269348][T16895] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3476.269544][T16895] RIP: 0033:0x7f4363ddc7b7 [ 3476.269710][T16895] 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 [ 3476.270266][T16895] RSP: 002b:00007ffc6c577388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3476.270510][T16895] RAX: ffffffffffffffda RBX: 00007ffc6c577390 RCX: 00007f4363ddc7b7 [ 3476.270746][T16895] RDX: 0000000000000000 RSI: 00007ffc6c578420 RDI: 0000000000000005 [ 3476.270984][T16895] RBP: 00007ffc6c578a20 R08: 0000000000000004 R09: 0000000000000000 [ 3476.271225][T16895] R10: 00007ffc6c57840c R11: 0000000000000246 R12: 0000000000005000 [ 3476.271468][T16895] R13: 0000000000000001 R14: 00007ffc6c5773a0 R15: 00007ffc6c578a40 [ 3476.271723][T16895] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr