[ 1321.215951][ T7930] 
[ 1321.216095][ T7930] =============================
[ 1321.216274][ T7930] WARNING: suspicious RCU usage
[ 1321.216474][ T7930] 6.12.0-virtme #1 Not tainted
[ 1321.216649][ T7930] -----------------------------
[ 1321.216819][ T7930] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1321.217068][ T7930] 
[ 1321.217068][ T7930] other info that might help us debug this:
[ 1321.217068][ T7930] 
[ 1321.217436][ T7930] 
[ 1321.217436][ T7930] rcu_scheduler_active = 2, debug_locks = 1
[ 1321.217687][ T7930] no locks held by smcrouted/7930.
[ 1321.217865][ T7930] 
[ 1321.217865][ T7930] stack backtrace:
[ 1321.218086][ T7930] CPU: 0 UID: 0 PID: 7930 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1321.218344][ T7930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1321.218570][ T7930] Call Trace:
[ 1321.218703][ T7930]  <TASK>
[ 1321.218796][ T7930]  dump_stack_lvl+0xb0/0xd0
[ 1321.218976][ T7930]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1321.219154][ T7930]  ip6mr_get_table+0x142/0x190
[ 1321.219328][ T7930]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1321.219520][ T7930]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1321.219745][ T7930]  ? __lock_release+0x103/0x460
[ 1321.219928][ T7930]  ? __might_fault+0x11b/0x170
[ 1321.220103][ T7930]  ? trace_lock_acquire+0x14d/0x1f0
[ 1321.220275][ T7930]  ? __might_fault+0xc3/0x170
[ 1321.220460][ T7930]  ? lock_acquire+0x32/0xc0
[ 1321.220633][ T7930]  ? __might_fault+0xc3/0x170
[ 1321.220811][ T7930]  ? __might_fault+0x11b/0x170
[ 1321.221063][ T7930]  do_ipv6_setsockopt+0x705/0x34e0
[ 1321.221329][ T7930]  ? validate_chain+0x160/0xae0
[ 1321.221599][ T7930]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1321.221856][ T7930]  ? __pfx_validate_chain+0x10/0x10
[ 1321.222114][ T7930]  ? hlock_class+0x4e/0x130
[ 1321.222389][ T7930]  ? mark_lock+0x38/0x3e0
[ 1321.222603][ T7930]  ? __lock_acquire+0xb9a/0x1680
[ 1321.222892][ T7930]  ? find_held_lock+0x2c/0x110
[ 1321.223167][ T7930]  ? __lock_release+0x103/0x460
[ 1321.223432][ T7930]  ? __create_object+0x5e/0xb0
[ 1321.223708][ T7930]  ? __pfx___lock_release+0x10/0x10
[ 1321.223984][ T7930]  ? __pfx_validate_chain+0x10/0x10
[ 1321.224250][ T7930]  ? hlock_class+0x4e/0x130
[ 1321.224515][ T7930]  ? mark_lock+0x38/0x3e0
[ 1321.224733][ T7930]  ? ipv6_setsockopt+0x7f/0xe0
[ 1321.225006][ T7930]  ipv6_setsockopt+0x7f/0xe0
[ 1321.225281][ T7930]  rawv6_setsockopt+0xb7/0x550
[ 1321.225555][ T7930]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1321.225822][ T7930]  ? find_held_lock+0x2c/0x110
[ 1321.226096][ T7930]  ? kfree+0x2d/0x340
[ 1321.226308][ T7930]  ? __lock_release+0x103/0x460
[ 1321.226574][ T7930]  ? fd_install+0x1d1/0x5a0
[ 1321.226854][ T7930]  do_sock_setsockopt+0x149/0x3a0
[ 1321.227128][ T7930]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1321.227435][ T7930]  __sys_setsockopt+0xec/0x160
[ 1321.227721][ T7930]  __x64_sys_setsockopt+0xbd/0x160
[ 1321.227987][ T7930]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1321.228314][ T7930]  do_syscall_64+0xc1/0x1d0
[ 1321.228583][ T7930]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1321.228899][ T7930] RIP: 0033:0x7f00b441291e
[ 1321.229168][ T7930] Code: 0f 1f 40 00 48 8b 15 e1 94 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a9
[ 1321.230061][ T7930] RSP: 002b:00007fffdec39198 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1321.230459][ T7930] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f00b441291e
[ 1321.230850][ T7930] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1321.231233][ T7930] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1321.231615][ T7930] R10: 00007fffdec391bc R11: 0000000000000246 R12: 0000000000000000
[ 1321.232003][ T7930] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f00b4517000
[ 1321.232428][ T7930]  </TASK>
[ 1321.240482][ T7930] veth0: entered allmulticast mode
[ 1321.241137][ T7930] veth1: entered allmulticast mode
[ 1321.241579][ T7930] veth2: entered allmulticast mode
[ 1321.241967][ T7930] veth3: entered allmulticast mode
[ 1321.242326][ T7930] veth4: entered allmulticast mode
[ 1321.242705][ T7930] veth5: entered allmulticast mode
[ 1348.172341][ T7930] veth0: left allmulticast mode
[ 1348.172783][ T7930] veth1: left allmulticast mode
[ 1348.173076][ T7930] veth2: left allmulticast mode
[ 1348.173397][ T7930] veth3: left allmulticast mode
[ 1348.173691][ T7930] veth4: left allmulticast mode
[ 1348.173983][ T7930] veth5: left allmulticast mode