[ 383.957559][ T2971] [ 383.957956][ T2971] ============================= [ 383.958124][ T2971] WARNING: suspicious RCU usage [ 383.958334][ T2971] 6.12.0-rc4-virtme #1 Not tainted [ 383.958505][ T2971] ----------------------------- [ 383.958689][ T2971] net/netfilter/nf_tables_api.c:3420 RCU-list traversed in non-reader section!! [ 383.958987][ T2971] [ 383.958987][ T2971] other info that might help us debug this: [ 383.958987][ T2971] [ 383.959302][ T2971] [ 383.959302][ T2971] rcu_scheduler_active = 2, debug_locks = 1 [ 383.959539][ T2971] 1 lock held by iptables/2971: [ 383.959952][ T2971] #0: ffff8880053f2cc8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid+0x2e/0xf0 [nf_tables] [ 383.960378][ T2971] [ 383.960378][ T2971] stack backtrace: [ 383.960593][ T2971] CPU: 3 UID: 0 PID: 2971 Comm: iptables Not tainted 6.12.0-rc4-virtme #1 [ 383.960841][ T2971] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 383.961199][ T2971] Call Trace: [ 383.961327][ T2971] [ 383.961415][ T2971] dump_stack_lvl+0xb0/0xd0 [ 383.961592][ T2971] lockdep_rcu_suspicious+0x1ea/0x280 [ 383.961763][ T2971] __nft_rule_lookup+0x114/0x150 [nf_tables] [ 383.961989][ T2971] nf_tables_delrule+0x417/0xc90 [nf_tables] [ 383.962217][ T2971] ? __lock_release+0x103/0x460 [ 383.962393][ T2971] ? net_generic+0xb1/0x1f0 [ 383.962565][ T2971] ? __pfx_nf_tables_delrule+0x10/0x10 [nf_tables] [ 383.962790][ T2971] ? trace_lock_acquire+0x14d/0x1f0 [ 383.962962][ T2971] ? __nla_validate_parse+0x1bc/0x3d0 [ 383.963136][ T2971] nfnetlink_rcv_batch+0x83b/0x1560 [ 383.963314][ T2971] ? __pfx_nfnetlink_rcv_batch+0x10/0x10 [ 383.963479][ T2971] ? rcu_read_lock_any_held+0x7e/0xb0 [ 383.963647][ T2971] ? find_stack+0xbc/0x140 [ 383.963815][ T2971] ? rcu_read_lock_any_held+0x43/0xb0 [ 383.963982][ T2971] ? validate_chain+0x1fe/0xae0 [ 383.964161][ T2971] ? __pfx_validate_chain+0x10/0x10 [ 383.964332][ T2971] ? __lock_acquire+0xb3f/0x1580 [ 383.964496][ T2971] ? __pfx_validate_nla+0x10/0x10 [ 383.964665][ T2971] ? find_held_lock+0x2c/0x110 [ 383.964833][ T2971] ? __nla_validate_parse+0x1bc/0x3d0 [ 383.965010][ T2971] nfnetlink_rcv+0x2c9/0x340 [ 383.965172][ T2971] ? __pfx_nfnetlink_rcv+0x10/0x10 [ 383.965339][ T2971] ? netlink_deliver_tap+0xc3/0x340 [ 383.965508][ T2971] netlink_unicast+0x44b/0x710 [ 383.965676][ T2971] ? __pfx_netlink_unicast+0x10/0x10 [ 383.965843][ T2971] ? find_held_lock+0x2c/0x110 [ 383.966012][ T2971] netlink_sendmsg+0x723/0xbe0 [ 383.966180][ T2971] ? __pfx_netlink_sendmsg+0x10/0x10 [ 383.966344][ T2971] ? __might_fault+0xc3/0x170 [ 383.966513][ T2971] ? __import_iovec+0x35d/0x5d0 [ 383.966688][ T2971] ____sys_sendmsg+0x7ac/0xa10 [ 383.966858][ T2971] ? __pfx_____sys_sendmsg+0x10/0x10 [ 383.967020][ T2971] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 383.967229][ T2971] ? sk_setsockopt+0x9e3/0x2cc0 [ 383.967391][ T2971] ? __local_bh_enable_ip+0xa6/0x120 [ 383.967563][ T2971] ___sys_sendmsg+0xee/0x170 [ 383.967735][ T2971] ? __pfx____sys_sendmsg+0x10/0x10 [ 383.967912][ T2971] ? __lock_acquire+0xb3f/0x1580 [ 383.968081][ T2971] ? usage_skip+0x172/0x190 [ 383.968248][ T2971] ? trace_kfree+0x2d/0xd0 [ 383.968430][ T2971] ? kfree+0x2d/0x340 [ 383.968560][ T2971] ? do_sock_setsockopt+0x15b/0x3a0 [ 383.968726][ T2971] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 383.968896][ T2971] ? fdget+0x52/0x1e0 [ 383.969033][ T2971] __sys_sendmsg+0xcd/0x170 [ 383.969201][ T2971] ? __pfx___sys_sendmsg+0x10/0x10 [ 383.969364][ T2971] ? __sys_setsockopt+0x104/0x1a0 [ 383.969534][ T2971] ? __pfx___sys_setsockopt+0x10/0x10 [ 383.969712][ T2971] do_syscall_64+0xc1/0x1d0 [ 383.969879][ T2971] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 383.970083][ T2971] RIP: 0033:0x7f08288ce7b7 [ 383.970252][ T2971] 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 [ 383.970833][ T2971] RSP: 002b:00007ffe97b675e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 383.971082][ T2971] RAX: ffffffffffffffda RBX: 00007ffe97b675f0 RCX: 00007f08288ce7b7 [ 383.971327][ T2971] RDX: 0000000000000000 RSI: 00007ffe97b68680 RDI: 0000000000000005 [ 383.971569][ T2971] RBP: 00007ffe97b68c80 R08: 0000000000000004 R09: 0000000000000000 [ 383.971818][ T2971] R10: 00007ffe97b6866c R11: 0000000000000246 R12: 0000000000004000 [ 383.972062][ T2971] R13: 0000000000000001 R14: 00007ffe97b67600 R15: 00007ffe97b68ca0 [ 383.972318][ T2971]