[ 1300.206310][ T4706] 
[ 1300.206630][ T4706] =============================
[ 1300.206810][ T4706] WARNING: suspicious RCU usage
[ 1300.206982][ T4706] 6.12.0-virtme #1 Not tainted
[ 1300.207149][ T4706] -----------------------------
[ 1300.207344][ T4706] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1300.207764][ T4706] 
[ 1300.207764][ T4706] other info that might help us debug this:
[ 1300.207764][ T4706] 
[ 1300.208280][ T4706] 
[ 1300.208280][ T4706] rcu_scheduler_active = 2, debug_locks = 1
[ 1300.208703][ T4706] no locks held by smcrouted/4706.
[ 1300.208966][ T4706] 
[ 1300.208966][ T4706] stack backtrace:
[ 1300.209267][ T4706] CPU: 3 UID: 0 PID: 4706 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1300.209649][ T4706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1300.209949][ T4706] Call Trace:
[ 1300.210161][ T4706]  <TASK>
[ 1300.210306][ T4706]  dump_stack_lvl+0xb0/0xd0
[ 1300.210562][ T4706]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1300.210840][ T4706]  ip6mr_get_table+0x142/0x190
[ 1300.211116][ T4706]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1300.211391][ T4706]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1300.211740][ T4706]  ? __lock_release+0x103/0x460
[ 1300.212022][ T4706]  ? __might_fault+0x11b/0x170
[ 1300.212298][ T4706]  ? trace_lock_acquire+0x14d/0x1f0
[ 1300.212574][ T4706]  ? __might_fault+0xc3/0x170
[ 1300.212836][ T4706]  ? lock_acquire+0x32/0xc0
[ 1300.213097][ T4706]  ? __might_fault+0xc3/0x170
[ 1300.213358][ T4706]  ? __might_fault+0x11b/0x170
[ 1300.213631][ T4706]  do_ipv6_setsockopt+0x705/0x34e0
[ 1300.213898][ T4706]  ? validate_chain+0x160/0xae0
[ 1300.214159][ T4706]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1300.214436][ T4706]  ? __pfx_validate_chain+0x10/0x10
[ 1300.214696][ T4706]  ? hlock_class+0x4e/0x130
[ 1300.214947][ T4706]  ? mark_lock+0x38/0x3e0
[ 1300.215161][ T4706]  ? __lock_acquire+0xb9a/0x1680
[ 1300.215448][ T4706]  ? find_held_lock+0x2c/0x110
[ 1300.215715][ T4706]  ? __lock_release+0x103/0x460
[ 1300.215969][ T4706]  ? __create_object+0x5e/0xb0
[ 1300.216234][ T4706]  ? __pfx___lock_release+0x10/0x10
[ 1300.216514][ T4706]  ? __pfx_validate_chain+0x10/0x10
[ 1300.216775][ T4706]  ? hlock_class+0x4e/0x130
[ 1300.217038][ T4706]  ? mark_lock+0x38/0x3e0
[ 1300.217244][ T4706]  ? ipv6_setsockopt+0x7f/0xe0
[ 1300.217507][ T4706]  ipv6_setsockopt+0x7f/0xe0
[ 1300.217773][ T4706]  rawv6_setsockopt+0xb7/0x550
[ 1300.218039][ T4706]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1300.218296][ T4706]  ? find_held_lock+0x2c/0x110
[ 1300.218567][ T4706]  ? kfree+0x2d/0x340
[ 1300.218701][ T4706]  ? __lock_release+0x103/0x460
[ 1300.218858][ T4706]  ? fd_install+0x1d1/0x5a0
[ 1300.219020][ T4706]  do_sock_setsockopt+0x149/0x3a0
[ 1300.219182][ T4706]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1300.219355][ T4706]  __sys_setsockopt+0xec/0x160
[ 1300.219518][ T4706]  __x64_sys_setsockopt+0xbd/0x160
[ 1300.219675][ T4706]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1300.219870][ T4706]  do_syscall_64+0xc1/0x1d0
[ 1300.220040][ T4706]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1300.220235][ T4706] RIP: 0033:0x7f4c51f6d91e
[ 1300.220404][ T4706] 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
[ 1300.220946][ T4706] RSP: 002b:00007fffd63eca98 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1300.221186][ T4706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4c51f6d91e
[ 1300.221429][ T4706] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1300.221665][ T4706] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1300.221902][ T4706] R10: 00007fffd63ecabc R11: 0000000000000246 R12: 0000000000000000
[ 1300.222134][ T4706] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f4c52072000
[ 1300.222391][ T4706]  </TASK>
[ 1300.228716][ T4706] veth0: entered allmulticast mode
[ 1300.229329][ T4706] veth1: entered allmulticast mode
[ 1300.231027][ T4706] veth2: entered allmulticast mode
[ 1300.232014][ T4706] veth3: entered allmulticast mode
[ 1312.020215][ T4793] GACT probability NOT on
[ 1319.808957][ T4706] veth0: left allmulticast mode
[ 1319.809445][ T4706] veth1: left allmulticast mode
[ 1319.809837][ T4706] veth2: left allmulticast mode
[ 1319.810220][ T4706] veth3: left allmulticast mode