[   10.058983][  T250] ip (250) used greatest stack depth: 22816 bytes left
[   14.930763][  T338] 8021q: 802.1Q VLAN Support v1.8
[   15.272231][  T343] gre: GRE over IPv4 demultiplexor driver
[   15.319290][  T343] ip6_gre: GRE over IPv6 tunneling driver
[   24.303080][  T418] GACT probability NOT on
[   24.690300][  T421] 
[   24.690536][  T421] =============================
[   24.690694][  T421] WARNING: suspicious RCU usage
[   24.690844][  T421] 6.14.0-rc6-virtme #1 Not tainted
[   24.690996][  T421] -----------------------------
[   24.691354][  T421] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   24.691621][  T421] 
[   24.691621][  T421] other info that might help us debug this:
[   24.691621][  T421] 
[   24.691948][  T421] 
[   24.691948][  T421] rcu_scheduler_active = 2, debug_locks = 1
[   24.692200][  T421] 1 lock held by mausezahn/421:
[   24.692361][  T421]  #0: ffffffff8b15b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   24.692654][  T421] 
[   24.692654][  T421] stack backtrace:
[   24.692840][  T421] CPU: 0 UID: 0 PID: 421 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   24.692844][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.692848][  T421] Call Trace:
[   24.692850][  T421]  <TASK>
[   24.692852][  T421]  dump_stack_lvl+0xb0/0xd0
[   24.692859][  T421]  lockdep_rcu_suspicious+0x1ea/0x280
[   24.692872][  T421]  dev_hard_start_xmit+0x2fc/0x3f0
[   24.692883][  T421]  __dev_queue_xmit+0xfaf/0x18d0
[   24.692897][  T421]  ? __pfx___dev_queue_xmit+0x10/0x10
[   24.692901][  T421]  ? packet_parse_headers+0x231/0x9c0
[   24.692910][  T421]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   24.692915][  T421]  ? __pfx_packet_parse_headers+0x10/0x10
[   24.692920][  T421]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   24.692926][  T421]  ? dev_get_by_index+0xb2/0x190
[   24.692937][  T421]  packet_snd+0xd0c/0x19d0
[   24.692948][  T421]  ? __lock_release+0x103/0x460
[   24.692954][  T421]  ? __might_fault+0x11b/0x170
[   24.692963][  T421]  ? __pfx_packet_snd+0x10/0x10
[   24.692966][  T421]  ? trace_lock_acquire+0x14c/0x1f0
[   24.692968][  T421]  ? __might_fault+0x11b/0x170
[   24.692975][  T421]  ? lock_acquire+0x32/0xc0
[   24.692981][  T421]  ? __might_fault+0x11b/0x170
[   24.692993][  T421]  __sys_sendto+0x3c3/0x450
[   24.692998][  T421]  ? __pfx___sys_sendto+0x10/0x10
[   24.693018][  T421]  ? sock_ioctl+0x3b6/0x590
[   24.693033][  T421]  ? __pfx___up_read+0x10/0x10
[   24.693043][  T421]  ? do_user_addr_fault+0x374/0xe30
[   24.693055][  T421]  ? do_user_addr_fault+0x374/0xe30
[   24.693062][  T421]  __x64_sys_sendto+0xe0/0x1c0
[   24.693065][  T421]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   24.693071][  T421]  do_syscall_64+0xc1/0x1d0
[   24.693078][  T421]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   24.693085][  T421] RIP: 0033:0x7f53b39c3a4a
[   24.693090][  T421] 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
[   24.693094][  T421] RSP: 002b:00007ffe9c772228 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   24.693102][  T421] RAX: ffffffffffffffda RBX: 000000001396e9d0 RCX: 00007f53b39c3a4a
[   24.693104][  T421] RDX: 0000000000000062 RSI: 000000001396e5c2 RDI: 0000000000000005
[   24.693106][  T421] RBP: 000000001396e5c2 R08: 00007ffe9c772230 R09: 0000000000000014
[   24.693108][  T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   24.693109][  T421] R13: 0000000000000062 R14: 00007ffe9c772230 R15: 0000000000000000
[   24.693125][  T421]  </TASK>