[ 1318.219992][ T8283] 
[ 1318.220159][ T8283] =============================
[ 1318.220362][ T8283] WARNING: suspicious RCU usage
[ 1318.220545][ T8283] 6.12.0-virtme #1 Not tainted
[ 1318.220721][ T8283] -----------------------------
[ 1318.220900][ T8283] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1318.221174][ T8283] 
[ 1318.221174][ T8283] other info that might help us debug this:
[ 1318.221174][ T8283] 
[ 1318.221529][ T8283] 
[ 1318.221529][ T8283] rcu_scheduler_active = 2, debug_locks = 1
[ 1318.221791][ T8283] no locks held by smcrouted/8283.
[ 1318.221972][ T8283] 
[ 1318.221972][ T8283] stack backtrace:
[ 1318.222183][ T8283] CPU: 0 UID: 0 PID: 8283 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1318.222443][ T8283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1318.222651][ T8283] Call Trace:
[ 1318.222786][ T8283]  <TASK>
[ 1318.222878][ T8283]  dump_stack_lvl+0xb0/0xd0
[ 1318.223066][ T8283]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1318.223244][ T8283]  ip6mr_get_table+0x142/0x190
[ 1318.223417][ T8283]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1318.223590][ T8283]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1318.223812][ T8283]  ? __lock_release+0x103/0x460
[ 1318.223980][ T8283]  ? __might_fault+0x11b/0x170
[ 1318.224155][ T8283]  ? trace_lock_acquire+0x14d/0x1f0
[ 1318.224326][ T8283]  ? __might_fault+0xc3/0x170
[ 1318.224495][ T8283]  ? lock_acquire+0x32/0xc0
[ 1318.224662][ T8283]  ? __might_fault+0xc3/0x170
[ 1318.224839][ T8283]  ? __might_fault+0x11b/0x170
[ 1318.225016][ T8283]  do_ipv6_setsockopt+0x705/0x34e0
[ 1318.225193][ T8283]  ? validate_chain+0x160/0xae0
[ 1318.225369][ T8283]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1318.225555][ T8283]  ? __pfx_validate_chain+0x10/0x10
[ 1318.225726][ T8283]  ? hlock_class+0x4e/0x130
[ 1318.225896][ T8283]  ? mark_lock+0x38/0x3e0
[ 1318.226031][ T8283]  ? __lock_acquire+0xb9a/0x1680
[ 1318.226212][ T8283]  ? find_held_lock+0x2c/0x110
[ 1318.226392][ T8283]  ? __lock_release+0x103/0x460
[ 1318.226560][ T8283]  ? __create_object+0x5e/0xb0
[ 1318.226738][ T8283]  ? __pfx___lock_release+0x10/0x10
[ 1318.226913][ T8283]  ? __pfx_validate_chain+0x10/0x10
[ 1318.227094][ T8283]  ? hlock_class+0x4e/0x130
[ 1318.227271][ T8283]  ? mark_lock+0x38/0x3e0
[ 1318.227416][ T8283]  ? ipv6_setsockopt+0x7f/0xe0
[ 1318.227602][ T8283]  ipv6_setsockopt+0x7f/0xe0
[ 1318.227785][ T8283]  rawv6_setsockopt+0xb7/0x550
[ 1318.227975][ T8283]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1318.228152][ T8283]  ? find_held_lock+0x2c/0x110
[ 1318.228335][ T8283]  ? kfree+0x2d/0x340
[ 1318.228471][ T8283]  ? __lock_release+0x103/0x460
[ 1318.228645][ T8283]  ? fd_install+0x1d1/0x5a0
[ 1318.228827][ T8283]  do_sock_setsockopt+0x149/0x3a0
[ 1318.229004][ T8283]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1318.229194][ T8283]  __sys_setsockopt+0xec/0x160
[ 1318.229379][ T8283]  __x64_sys_setsockopt+0xbd/0x160
[ 1318.229551][ T8283]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1318.229775][ T8283]  do_syscall_64+0xc1/0x1d0
[ 1318.229959][ T8283]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1318.230177][ T8283] RIP: 0033:0x7f877d7d391e
[ 1318.230358][ T8283] 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
[ 1318.230968][ T8283] RSP: 002b:00007ffd50ffd4d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1318.231240][ T8283] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f877d7d391e
[ 1318.231510][ T8283] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1318.231781][ T8283] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1318.232042][ T8283] R10: 00007ffd50ffd4fc R11: 0000000000000246 R12: 0000000000000000
[ 1318.232312][ T8283] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f877d8d8000
[ 1318.232589][ T8283]  </TASK>
[ 1318.237212][ T8283] veth0: entered allmulticast mode
[ 1318.237754][ T8283] veth1: entered allmulticast mode
[ 1318.238097][ T8283] veth2: entered allmulticast mode
[ 1318.238449][ T8283] veth3: entered allmulticast mode
[ 1318.238790][ T8283] veth4: entered allmulticast mode
[ 1318.239120][ T8283] veth5: entered allmulticast mode
[ 1344.402109][ T8283] veth0: left allmulticast mode
[ 1344.402571][ T8283] veth1: left allmulticast mode
[ 1344.402804][ T8283] veth2: left allmulticast mode
[ 1344.403034][ T8283] veth3: left allmulticast mode
[ 1344.403284][ T8283] veth4: left allmulticast mode
[ 1344.403515][ T8283] veth5: left allmulticast mode