[ 701.609047][ T7332] [ 701.609440][ T7332] ============================= [ 701.609614][ T7332] WARNING: suspicious RCU usage [ 701.609777][ T7332] 6.14.0-rc6-virtme #1 Not tainted [ 701.609988][ T7332] ----------------------------- [ 701.610149][ T7332] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 701.610430][ T7332] [ 701.610430][ T7332] other info that might help us debug this: [ 701.610430][ T7332] [ 701.611182][ T7332] [ 701.611182][ T7332] rcu_scheduler_active = 2, debug_locks = 1 [ 701.611439][ T7332] 2 locks held by psock_tpacket/7332: [ 701.611606][ T7332] #0: ffff888010f04858 (&po->pg_vec_lock){+.+.}-{4:4}, at: tpacket_snd+0x134/0x1ea0 [ 701.611918][ T7332] #1: ffffffff8956f640 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f5/0x18d0 [ 701.612216][ T7332] [ 701.612216][ T7332] stack backtrace: [ 701.612435][ T7332] CPU: 3 UID: 0 PID: 7332 Comm: psock_tpacket Not tainted 6.14.0-rc6-virtme #1 [ 701.612439][ T7332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 701.612442][ T7332] Call Trace: [ 701.612444][ T7332] [ 701.612447][ T7332] dump_stack_lvl+0xb0/0xd0 [ 701.612458][ T7332] lockdep_rcu_suspicious+0x1ea/0x280 [ 701.612476][ T7332] dev_hard_start_xmit+0x2fc/0x3f0 [ 701.612488][ T7332] __dev_queue_xmit+0xfaa/0x18d0 [ 701.612499][ T7332] ? __pfx_packet_parse_headers+0x10/0x10 [ 701.612504][ T7332] ? sock_alloc_send_pskb+0x678/0x7f0 [ 701.612512][ T7332] ? skb_store_bits+0x5a3/0x7e0 [ 701.612519][ T7332] ? __pfx___dev_queue_xmit+0x10/0x10 [ 701.612530][ T7332] ? tpacket_fill_skb+0x98b/0x13c0 [ 701.612552][ T7332] tpacket_snd+0xe77/0x1ea0 [ 701.612576][ T7332] ? __pfx_tpacket_snd+0x10/0x10 [ 701.612580][ T7332] ? __lock_acquire+0xb9a/0x1680 [ 701.612599][ T7332] __sys_sendto+0x3c3/0x450 [ 701.612606][ T7332] ? __pfx___sys_sendto+0x10/0x10 [ 701.612609][ T7332] ? __pfx___lock_release+0x10/0x10 [ 701.612623][ T7332] ? __pfx_timespec64_add_safe+0x10/0x10 [ 701.612632][ T7332] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 701.612637][ T7332] ? kvm_clock_get_cycles+0x18/0x30 [ 701.612642][ T7332] ? ktime_get_ts64+0xd6/0x2d0 [ 701.612657][ T7332] ? __x64_sys_poll+0x161/0x430 [ 701.612665][ T7332] ? __pfx___x64_sys_poll+0x10/0x10 [ 701.612675][ T7332] __x64_sys_sendto+0xe0/0x1c0 [ 701.612679][ T7332] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 701.612684][ T7332] do_syscall_64+0xc1/0x1d0 [ 701.612691][ T7332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 701.612699][ T7332] RIP: 0033:0x7f2317e5ea4a [ 701.612705][ T7332] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 [ 701.612708][ T7332] RSP: 002b:00007ffe744e3fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 701.612716][ T7332] RAX: ffffffffffffffda RBX: 0000000000000800 RCX: 00007f2317e5ea4a [ 701.612718][ T7332] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 701.612720][ T7332] RBP: 0000008e0000008e R08: 0000000000000000 R09: 0000000000000000 [ 701.612721][ T7332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 701.612723][ T7332] R13: 0000000000000064 R14: 0000000000000000 R15: 00007ffe744e4450 [ 701.612741][ T7332]