[  388.889613][ T3722] 
[  388.889756][ T3722] =============================
[  388.889921][ T3722] WARNING: suspicious RCU usage
[  388.890083][ T3722] 6.12.0-virtme #1 Not tainted
[  388.890247][ T3722] -----------------------------
[  388.890597][ T3722] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[  388.890834][ T3722] 
[  388.890834][ T3722] other info that might help us debug this:
[  388.890834][ T3722] 
[  388.891131][ T3722] 
[  388.891131][ T3722] rcu_scheduler_active = 2, debug_locks = 1
[  388.891369][ T3722] no locks held by smcrouted/3722.
[  388.891525][ T3722] 
[  388.891525][ T3722] stack backtrace:
[  388.891732][ T3722] CPU: 0 UID: 0 PID: 3722 Comm: smcrouted Not tainted 6.12.0-virtme #1
[  388.891972][ T3722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  388.892171][ T3722] Call Trace:
[  388.892302][ T3722]  <TASK>
[  388.892390][ T3722]  dump_stack_lvl+0xb0/0xd0
[  388.892560][ T3722]  lockdep_rcu_suspicious+0x1ea/0x280
[  388.892730][ T3722]  ip6mr_get_table+0x142/0x190
[  388.892890][ T3722]  ip6_mroute_setsockopt+0x185/0x12d0
[  388.893051][ T3722]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[  388.893256][ T3722]  ? __lock_release+0x103/0x460
[  388.893419][ T3722]  ? __might_fault+0x11b/0x170
[  388.893585][ T3722]  ? trace_lock_acquire+0x14d/0x1f0
[  388.893746][ T3722]  ? __might_fault+0xc3/0x170
[  388.893903][ T3722]  ? lock_acquire+0x32/0xc0
[  388.894060][ T3722]  ? __might_fault+0xc3/0x170
[  388.894218][ T3722]  ? __might_fault+0x11b/0x170
[  388.894386][ T3722]  do_ipv6_setsockopt+0x705/0x34e0
[  388.894556][ T3722]  ? validate_chain+0x160/0xae0
[  388.894721][ T3722]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[  388.894882][ T3722]  ? __pfx_validate_chain+0x10/0x10
[  388.895041][ T3722]  ? hlock_class+0x4e/0x130
[  388.895195][ T3722]  ? mark_lock+0x38/0x3e0
[  388.895318][ T3722]  ? __lock_acquire+0xb9a/0x1680
[  388.895485][ T3722]  ? find_held_lock+0x2c/0x110
[  388.895648][ T3722]  ? __lock_release+0x103/0x460
[  388.895804][ T3722]  ? __create_object+0x5e/0xb0
[  388.895961][ T3722]  ? __pfx___lock_release+0x10/0x10
[  388.896115][ T3722]  ? __pfx_validate_chain+0x10/0x10
[  388.896271][ T3722]  ? hlock_class+0x4e/0x130
[  388.896437][ T3722]  ? mark_lock+0x38/0x3e0
[  388.896560][ T3722]  ? ipv6_setsockopt+0x7f/0xe0
[  388.896715][ T3722]  ipv6_setsockopt+0x7f/0xe0
[  388.896880][ T3722]  rawv6_setsockopt+0xb7/0x550
[  388.897055][ T3722]  ? __pfx_rawv6_setsockopt+0x10/0x10
[  388.897224][ T3722]  ? find_held_lock+0x2c/0x110
[  388.897397][ T3722]  ? kfree+0x2d/0x340
[  388.897518][ T3722]  ? __lock_release+0x103/0x460
[  388.897678][ T3722]  ? fd_install+0x1d1/0x5a0
[  388.897853][ T3722]  do_sock_setsockopt+0x149/0x3a0
[  388.898022][ T3722]  ? __pfx_do_sock_setsockopt+0x10/0x10
[  388.898202][ T3722]  __sys_setsockopt+0xec/0x160
[  388.898379][ T3722]  __x64_sys_setsockopt+0xbd/0x160
[  388.898543][ T3722]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  388.898738][ T3722]  do_syscall_64+0xc1/0x1d0
[  388.898904][ T3722]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  388.899113][ T3722] RIP: 0033:0x7f48afdc091e
[  388.899280][ T3722] 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
[  388.899848][ T3722] RSP: 002b:00007ffe557e2798 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[  388.900084][ T3722] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f48afdc091e
[  388.900341][ T3722] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[  388.900576][ T3722] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[  388.900819][ T3722] R10: 00007ffe557e27bc R11: 0000000000000246 R12: 0000000000000000
[  388.901064][ T3722] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f48afec5000
[  388.901316][ T3722]  </TASK>
[  388.904645][ T3722] veth0: entered allmulticast mode
[  388.905182][ T3722] veth1: entered allmulticast mode
[  388.905538][ T3722] veth2: entered allmulticast mode
[  388.905846][ T3722] veth3: entered allmulticast mode
[  407.212259][ T3722] veth0: left allmulticast mode
[  407.212638][ T3722] veth1: left allmulticast mode
[  407.212890][ T3722] veth2: left allmulticast mode
[  407.213136][ T3722] veth3: left allmulticast mode