[   11.033424][  T251] ip (251) used greatest stack depth: 23744 bytes left
[   20.161151][  T326] veth2: entered promiscuous mode
[   21.173612][  T329] 
[   21.173839][  T329] =============================
[   21.174025][  T329] WARNING: suspicious RCU usage
[   21.174183][  T329] 6.14.0-rc6-virtme #1 Not tainted
[   21.174337][  T329] -----------------------------
[   21.174487][  T329] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   21.174744][  T329] 
[   21.174744][  T329] other info that might help us debug this:
[   21.174744][  T329] 
[   21.175054][  T329] 
[   21.175054][  T329] rcu_scheduler_active = 2, debug_locks = 1
[   21.175283][  T329] 1 lock held by mausezahn/329:
[   21.175436][  T329]  #0: ffffffff9615b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   21.175741][  T329] 
[   21.175741][  T329] stack backtrace:
[   21.175961][  T329] CPU: 0 UID: 0 PID: 329 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   21.175968][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.175970][  T329] Call Trace:
[   21.175972][  T329]  <TASK>
[   21.175974][  T329]  dump_stack_lvl+0xb0/0xd0
[   21.175982][  T329]  lockdep_rcu_suspicious+0x1ea/0x280
[   21.175992][  T329]  dev_hard_start_xmit+0x2fc/0x3f0
[   21.176003][  T329]  __dev_queue_xmit+0xfaf/0x18d0
[   21.176017][  T329]  ? __pfx___dev_queue_xmit+0x10/0x10
[   21.176021][  T329]  ? packet_parse_headers+0x231/0x9c0
[   21.176030][  T329]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   21.176036][  T329]  ? __pfx_packet_parse_headers+0x10/0x10
[   21.176040][  T329]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   21.176046][  T329]  ? dev_get_by_index+0xb2/0x190
[   21.176057][  T329]  packet_snd+0xd0c/0x19d0
[   21.176068][  T329]  ? __lock_release+0x103/0x460
[   21.176072][  T329]  ? __might_fault+0x11b/0x170
[   21.176079][  T329]  ? __pfx_packet_snd+0x10/0x10
[   21.176081][  T329]  ? trace_lock_acquire+0x14c/0x1f0
[   21.176083][  T329]  ? __might_fault+0x11b/0x170
[   21.176090][  T329]  ? lock_acquire+0x32/0xc0
[   21.176096][  T329]  ? __might_fault+0x11b/0x170
[   21.176107][  T329]  __sys_sendto+0x3c3/0x450
[   21.176113][  T329]  ? __pfx___sys_sendto+0x10/0x10
[   21.176127][  T329]  ? sock_ioctl+0x3b6/0x590
[   21.176132][  T329]  ? _copy_to_user+0x5c/0x80
[   21.176140][  T329]  ? __pfx_put_timespec64+0x10/0x10
[   21.176148][  T329]  ? posix_cpu_clock_get+0xe1/0x240
[   21.176157][  T329]  ? __x64_sys_clock_gettime+0x17a/0x200
[   21.176162][  T329]  ? __pfx___x64_sys_clock_gettime+0x10/0x10
[   21.176169][  T329]  __x64_sys_sendto+0xe0/0x1c0
[   21.176172][  T329]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   21.176178][  T329]  do_syscall_64+0xc1/0x1d0
[   21.176185][  T329]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   21.176190][  T329] RIP: 0033:0x7f53ad491a4a
[   21.176195][  T329] 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
[   21.176198][  T329] RSP: 002b:00007ffe0feedf48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.176201][  T329] RAX: ffffffffffffffda RBX: 0000000017fc09d0 RCX: 00007f53ad491a4a
[   21.176204][  T329] RDX: 0000000000000012 RSI: 0000000017fc0bd2 RDI: 0000000000000005
[   21.176205][  T329] RBP: 0000000017fc0bd2 R08: 00007ffe0feedf50 R09: 0000000000000014
[   21.176207][  T329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   21.176209][  T329] R13: 0000000000000012 R14: 00007ffe0feedf50 R15: 0000000000000000
[   21.176225][  T329]  </TASK>
[   38.919867][  T353] 8021q: 802.1Q VLAN Support v1.8

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr
[  339.953362][  T326] veth2: left promiscuous mode

WAIT TIMEOUT stderr