[ 1252.204351][T13384] 
[ 1252.204483][T13384] =============================
[ 1252.205481][T13384] WARNING: suspicious RCU usage
[ 1252.205759][T13384] 6.12.0-virtme #1 Not tainted
[ 1252.205968][T13384] -----------------------------
[ 1252.206122][T13384] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1252.206356][T13384] 
[ 1252.206356][T13384] other info that might help us debug this:
[ 1252.206356][T13384] 
[ 1252.206682][T13384] 
[ 1252.206682][T13384] rcu_scheduler_active = 2, debug_locks = 1
[ 1252.206908][T13384] no locks held by smcrouted/13384.
[ 1252.207069][T13384] 
[ 1252.207069][T13384] stack backtrace:
[ 1252.207270][T13384] CPU: 0 UID: 0 PID: 13384 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1252.207508][T13384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1252.207709][T13384] Call Trace:
[ 1252.207834][T13384]  <TASK>
[ 1252.207925][T13384]  dump_stack_lvl+0xb0/0xd0
[ 1252.208095][T13384]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1252.208261][T13384]  ip6mr_get_table+0x142/0x190
[ 1252.208427][T13384]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1252.208592][T13384]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1252.208790][T13384]  ? __lock_release+0x103/0x460
[ 1252.208945][T13384]  ? __might_fault+0x11b/0x170
[ 1252.209104][T13384]  ? trace_lock_acquire+0x14d/0x1f0
[ 1252.209264][T13384]  ? __might_fault+0xc3/0x170
[ 1252.209423][T13384]  ? lock_acquire+0x32/0xc0
[ 1252.209578][T13384]  ? __might_fault+0xc3/0x170
[ 1252.209737][T13384]  ? __might_fault+0x11b/0x170
[ 1252.209904][T13384]  do_ipv6_setsockopt+0x705/0x34e0
[ 1252.210067][T13384]  ? validate_chain+0x160/0xae0
[ 1252.210228][T13384]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1252.210394][T13384]  ? __pfx_validate_chain+0x10/0x10
[ 1252.210551][T13384]  ? hlock_class+0x4e/0x130
[ 1252.210706][T13384]  ? mark_lock+0x38/0x3e0
[ 1252.210830][T13384]  ? __lock_acquire+0xb9a/0x1680
[ 1252.210996][T13384]  ? find_held_lock+0x2c/0x110
[ 1252.211156][T13384]  ? __lock_release+0x103/0x460
[ 1252.211311][T13384]  ? __create_object+0x5e/0xb0
[ 1252.211470][T13384]  ? __pfx___lock_release+0x10/0x10
[ 1252.211630][T13384]  ? __pfx_validate_chain+0x10/0x10
[ 1252.211786][T13384]  ? hlock_class+0x4e/0x130
[ 1252.211946][T13384]  ? mark_lock+0x38/0x3e0
[ 1252.212073][T13384]  ? ipv6_setsockopt+0x7f/0xe0
[ 1252.212231][T13384]  ipv6_setsockopt+0x7f/0xe0
[ 1252.212391][T13384]  rawv6_setsockopt+0xb7/0x550
[ 1252.212551][T13384]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1252.212706][T13384]  ? find_held_lock+0x2c/0x110
[ 1252.212864][T13384]  ? kfree+0x2d/0x340
[ 1252.212983][T13384]  ? __lock_release+0x103/0x460
[ 1252.213145][T13384]  ? fd_install+0x1d1/0x5a0
[ 1252.213309][T13384]  do_sock_setsockopt+0x149/0x3a0
[ 1252.213475][T13384]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1252.213656][T13384]  __sys_setsockopt+0xec/0x160
[ 1252.213819][T13384]  __x64_sys_setsockopt+0xbd/0x160
[ 1252.213974][T13384]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1252.214171][T13384]  do_syscall_64+0xc1/0x1d0
[ 1252.214332][T13384]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1252.214529][T13384] RIP: 0033:0x7f7fac7b791e
[ 1252.214698][T13384] 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
[ 1252.215241][T13384] RSP: 002b:00007ffc4e52fa48 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1252.215480][T13384] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7fac7b791e
[ 1252.215713][T13384] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1252.215945][T13384] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1252.216183][T13384] R10: 00007ffc4e52fa6c R11: 0000000000000246 R12: 0000000000000000
[ 1252.216418][T13384] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f7fac8bc000
[ 1252.216678][T13384]  </TASK>
[ 1252.219750][T13384] veth0: entered allmulticast mode
[ 1252.220241][T13384] veth1: entered allmulticast mode
[ 1252.220587][T13384] veth2: entered allmulticast mode
[ 1252.220906][T13384] veth3: entered allmulticast mode
[ 1252.221218][T13384] veth4: entered allmulticast mode
[ 1252.221544][T13384] veth5: entered allmulticast mode
[ 1279.559356][T13384] veth0: left allmulticast mode
[ 1279.559750][T13384] veth1: left allmulticast mode
[ 1279.560028][T13384] veth2: left allmulticast mode
[ 1279.560281][T13384] veth3: left allmulticast mode
[ 1279.560579][T13384] veth4: left allmulticast mode
[ 1279.560916][T13384] veth5: left allmulticast mode