[ 4456.872345][T19984] 
[ 4456.872720][T19984] =============================
[ 4456.872894][T19984] WARNING: suspicious RCU usage
[ 4456.873090][T19984] 6.14.0-rc6-virtme #1 Not tainted
[ 4456.873266][T19984] -----------------------------
[ 4456.873434][T19984] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[ 4456.873716][T19984] 
[ 4456.873716][T19984] other info that might help us debug this:
[ 4456.873716][T19984] 
[ 4456.874068][T19984] 
[ 4456.874068][T19984] rcu_scheduler_active = 2, debug_locks = 1
[ 4456.874311][T19984] 1 lock held by psock_snd/19984:
[ 4456.874484][T19984]  #0: ffffffff8796f640 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f5/0x18d0
[ 4456.874825][T19984] 
[ 4456.874825][T19984] stack backtrace:
[ 4456.875049][T19984] CPU: 2 UID: 0 PID: 19984 Comm: psock_snd Not tainted 6.14.0-rc6-virtme #1
[ 4456.875054][T19984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4456.875060][T19984] Call Trace:
[ 4456.875064][T19984]  <TASK>
[ 4456.875066][T19984]  dump_stack_lvl+0xb0/0xd0
[ 4456.875085][T19984]  lockdep_rcu_suspicious+0x1ea/0x280
[ 4456.875109][T19984]  dev_hard_start_xmit+0x2fc/0x3f0
[ 4456.875120][T19984]  __dev_queue_xmit+0xfaa/0x18d0
[ 4456.875124][T19984]  ? _copy_from_iter+0x1d2/0x12e0
[ 4456.875155][T19984]  ? __pfx___dev_queue_xmit+0x10/0x10
[ 4456.875160][T19984]  ? packet_parse_headers+0x243/0x9d0
[ 4456.875177][T19984]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[ 4456.875189][T19984]  ? __pfx_packet_parse_headers+0x10/0x10
[ 4456.875194][T19984]  ? skb_copy_datagram_from_iter+0xe6/0x6e0
[ 4456.875205][T19984]  ? dev_get_by_index+0xb2/0x190
[ 4456.875216][T19984]  packet_snd+0xd0d/0x19c0
[ 4456.875228][T19984]  ? __lock_release+0x103/0x460
[ 4456.875233][T19984]  ? __might_fault+0x11b/0x170
[ 4456.875247][T19984]  ? __pfx_packet_snd+0x10/0x10
[ 4456.875251][T19984]  ? trace_lock_acquire+0x14c/0x1f0
[ 4456.875259][T19984]  ? lock_acquire+0x32/0xc0
[ 4456.875265][T19984]  ? __might_fault+0x11b/0x170
[ 4456.875276][T19984]  __sys_sendto+0x3c3/0x450
[ 4456.875286][T19984]  ? __pfx___sys_sendto+0x10/0x10
[ 4456.875289][T19984]  ? find_held_lock+0x2c/0x110
[ 4456.875301][T19984]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 4456.875313][T19984]  ? __virt_addr_valid+0x22b/0x430
[ 4456.875329][T19984]  ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[ 4456.875339][T19984]  ? trace_rcu_segcb_stats+0x36/0x1e0
[ 4456.875355][T19984]  ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[ 4456.875358][T19984]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 4456.875366][T19984]  __x64_sys_sendto+0xe0/0x1c0
[ 4456.875371][T19984]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 4456.875375][T19984]  do_syscall_64+0xc1/0x1d0
[ 4456.875389][T19984]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 4456.875402][T19984] RIP: 0033:0x7f5f88c55a4a
[ 4456.875407][T19984] 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
[ 4456.875412][T19984] RSP: 002b:00007ffc1e3d1d48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 4456.875419][T19984] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f88c55a4a
[ 4456.875421][T19984] RDX: 0000000000000080 RSI: 0000000000414138 RDI: 0000000000000007
[ 4456.875423][T19984] RBP: 0000000000000006 R08: 00007ffc1e3d1d80 R09: 0000000000000014
[ 4456.875425][T19984] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
[ 4456.875427][T19984] R13: 0000000000000007 R14: 00007ffc1e3d1d80 R15: 0000000000000080
[ 4456.875444][T19984]  </TASK>
[ 4473.585009][    C0] IPv4: Oversized IP packet from 172.17.0.2