[ 1281.220722][ T7518] 
[ 1281.220977][ T7518] =============================
[ 1281.221269][ T7518] WARNING: suspicious RCU usage
[ 1281.222525][ T7518] 6.12.0-virtme #1 Not tainted
[ 1281.222826][ T7518] -----------------------------
[ 1281.223105][ T7518] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1281.223514][ T7518] 
[ 1281.223514][ T7518] other info that might help us debug this:
[ 1281.223514][ T7518] 
[ 1281.224031][ T7518] 
[ 1281.224031][ T7518] rcu_scheduler_active = 2, debug_locks = 1
[ 1281.224426][ T7518] no locks held by smcrouted/7518.
[ 1281.224747][ T7518] 
[ 1281.224747][ T7518] stack backtrace:
[ 1281.225092][ T7518] CPU: 2 UID: 0 PID: 7518 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1281.225478][ T7518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1281.225793][ T7518] Call Trace:
[ 1281.225992][ T7518]  <TASK>
[ 1281.226133][ T7518]  dump_stack_lvl+0xb0/0xd0
[ 1281.226411][ T7518]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1281.226663][ T7518]  ip6mr_get_table+0x142/0x190
[ 1281.226924][ T7518]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1281.227689][ T7518]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1281.228026][ T7518]  ? __lock_release+0x103/0x460
[ 1281.228289][ T7518]  ? __might_fault+0x11b/0x170
[ 1281.228540][ T7518]  ? trace_lock_acquire+0x14d/0x1f0
[ 1281.228830][ T7518]  ? __might_fault+0xc3/0x170
[ 1281.229082][ T7518]  ? lock_acquire+0x32/0xc0
[ 1281.229340][ T7518]  ? __might_fault+0xc3/0x170
[ 1281.229596][ T7518]  ? __might_fault+0x11b/0x170
[ 1281.229854][ T7518]  do_ipv6_setsockopt+0x705/0x34e0
[ 1281.230110][ T7518]  ? validate_chain+0x130/0xae0
[ 1281.230369][ T7518]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1281.230623][ T7518]  ? __pfx_validate_chain+0x10/0x10
[ 1281.230881][ T7518]  ? hlock_class+0x4e/0x130
[ 1281.231128][ T7518]  ? mark_lock+0x38/0x3e0
[ 1281.231333][ T7518]  ? __lock_acquire+0xb9a/0x1680
[ 1281.231600][ T7518]  ? find_held_lock+0x2c/0x110
[ 1281.231836][ T7518]  ? __lock_release+0x103/0x460
[ 1281.232087][ T7518]  ? __create_object+0x5e/0xb0
[ 1281.232332][ T7518]  ? __pfx___lock_release+0x10/0x10
[ 1281.232575][ T7518]  ? __pfx_validate_chain+0x10/0x10
[ 1281.232838][ T7518]  ? hlock_class+0x4e/0x130
[ 1281.233086][ T7518]  ? mark_lock+0x38/0x3e0
[ 1281.233289][ T7518]  ? ipv6_setsockopt+0x7f/0xe0
[ 1281.233550][ T7518]  ipv6_setsockopt+0x7f/0xe0
[ 1281.233810][ T7518]  rawv6_setsockopt+0xb7/0x550
[ 1281.234071][ T7518]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1281.234332][ T7518]  ? find_held_lock+0x2c/0x110
[ 1281.234606][ T7518]  ? kfree+0x2d/0x340
[ 1281.234798][ T7518]  ? __lock_release+0x103/0x460
[ 1281.235062][ T7518]  ? fd_install+0x1d1/0x5a0
[ 1281.235329][ T7518]  do_sock_setsockopt+0x149/0x3a0
[ 1281.235584][ T7518]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1281.235858][ T7518]  __sys_setsockopt+0xec/0x160
[ 1281.236119][ T7518]  __x64_sys_setsockopt+0xbd/0x160
[ 1281.236370][ T7518]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1281.236689][ T7518]  do_syscall_64+0xc1/0x1d0
[ 1281.236949][ T7518]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1281.237267][ T7518] RIP: 0033:0x7fd47015191e
[ 1281.237539][ T7518] 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
[ 1281.238398][ T7518] RSP: 002b:00007ffeae713238 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1281.238766][ T7518] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd47015191e
[ 1281.239165][ T7518] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1281.239540][ T7518] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1281.239911][ T7518] R10: 00007ffeae71325c R11: 0000000000000246 R12: 0000000000000000
[ 1281.240282][ T7518] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fd470256000
[ 1281.240682][ T7518]  </TASK>
[ 1281.255687][ T7518] veth0: entered allmulticast mode
[ 1281.256330][ T7518] veth1: entered allmulticast mode
[ 1281.256691][ T7518] veth2: entered allmulticast mode
[ 1281.257026][ T7518] veth3: entered allmulticast mode
[ 1299.898932][ T7518] veth0: left allmulticast mode
[ 1299.899404][ T7518] veth1: left allmulticast mode
[ 1299.899792][ T7518] veth2: left allmulticast mode
[ 1299.900155][ T7518] veth3: left allmulticast mode