[ 1241.188349][T13417] 
[ 1241.188483][T13417] =============================
[ 1241.188645][T13417] WARNING: suspicious RCU usage
[ 1241.188821][T13417] 6.12.0-rc6-virtme #1 Not tainted
[ 1241.188982][T13417] -----------------------------
[ 1241.189136][T13417] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1241.189367][T13417] 
[ 1241.189367][T13417] other info that might help us debug this:
[ 1241.189367][T13417] 
[ 1241.189665][T13417] 
[ 1241.189665][T13417] rcu_scheduler_active = 2, debug_locks = 1
[ 1241.189908][T13417] no locks held by smcrouted/13417.
[ 1241.190074][T13417] 
[ 1241.190074][T13417] stack backtrace:
[ 1241.190273][T13417] CPU: 0 UID: 0 PID: 13417 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1241.190551][T13417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1241.190747][T13417] Call Trace:
[ 1241.190871][T13417]  <TASK>
[ 1241.190959][T13417]  dump_stack_lvl+0xb0/0xd0
[ 1241.191134][T13417]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1241.191316][T13417]  ip6mr_get_table+0x142/0x190
[ 1241.191479][T13417]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1241.191641][T13417]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1241.191850][T13417]  ? __lock_release+0x103/0x460
[ 1241.192029][T13417]  ? __might_fault+0x11b/0x170
[ 1241.192188][T13417]  ? trace_lock_acquire+0x14d/0x1f0
[ 1241.192357][T13417]  ? __might_fault+0xc3/0x170
[ 1241.192518][T13417]  ? lock_acquire+0x32/0xc0
[ 1241.192679][T13417]  ? __might_fault+0xc3/0x170
[ 1241.192840][T13417]  ? __might_fault+0x11b/0x170
[ 1241.193003][T13417]  do_ipv6_setsockopt+0x705/0x34e0
[ 1241.193173][T13417]  ? __lock_release+0xe0/0x460
[ 1241.193332][T13417]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1241.193490][T13417]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1241.193649][T13417]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1241.193804][T13417]  ? validate_chain+0x1fe/0xae0
[ 1241.193961][T13417]  ? is_bpf_text_address+0x67/0x120
[ 1241.194132][T13417]  ? __pfx_validate_chain+0x10/0x10
[ 1241.194301][T13417]  ? hlock_class+0x4e/0x130
[ 1241.194479][T13417]  ? mark_lock+0x38/0x3e0
[ 1241.194611][T13417]  ? __lock_acquire+0xb3f/0x1580
[ 1241.194780][T13417]  ? find_held_lock+0x2c/0x110
[ 1241.194951][T13417]  ? ipv6_setsockopt+0x7f/0xe0
[ 1241.195132][T13417]  ipv6_setsockopt+0x7f/0xe0
[ 1241.195300][T13417]  rawv6_setsockopt+0xb7/0x550
[ 1241.195463][T13417]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1241.195629][T13417]  ? __lock_acquire+0xb3f/0x1580
[ 1241.195791][T13417]  ? kfree+0x2d/0x340
[ 1241.195927][T13417]  do_sock_setsockopt+0x149/0x3a0
[ 1241.196086][T13417]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1241.196244][T13417]  ? __lock_release+0x103/0x460
[ 1241.196401][T13417]  ? fd_install+0x1d1/0x5a0
[ 1241.196560][T13417]  ? trace_lock_acquire+0x14d/0x1f0
[ 1241.196720][T13417]  ? fdget+0x52/0x1e0
[ 1241.196863][T13417]  __sys_setsockopt+0x104/0x1a0
[ 1241.197030][T13417]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1241.197186][T13417]  ? __sys_socket+0x168/0x1e0
[ 1241.197345][T13417]  ? __pfx___sys_socket+0x10/0x10
[ 1241.197508][T13417]  ? do_user_addr_fault+0x374/0xe30
[ 1241.197672][T13417]  __x64_sys_setsockopt+0xbd/0x160
[ 1241.197832][T13417]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1241.198039][T13417]  do_syscall_64+0xc1/0x1d0
[ 1241.198206][T13417]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1241.198433][T13417] RIP: 0033:0x7fd539d1b91e
[ 1241.198609][T13417] 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
[ 1241.199191][T13417] RSP: 002b:00007ffc23773ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1241.199434][T13417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd539d1b91e
[ 1241.199753][T13417] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1241.200009][T13417] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1241.200245][T13417] R10: 00007ffc23773ecc R11: 0000000000000246 R12: 0000000000000000
[ 1241.200490][T13417] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fd539e20000
[ 1241.200770][T13417]  </TASK>
[ 1241.203346][T13417] veth0: entered allmulticast mode
[ 1241.203925][T13417] veth1: entered allmulticast mode
[ 1241.204282][T13417] veth2: entered allmulticast mode
[ 1241.204605][T13417] veth3: entered allmulticast mode
[ 1241.204963][T13417] veth4: entered allmulticast mode
[ 1241.205308][T13417] veth5: entered allmulticast mode
[ 1268.686293][T13417] veth0: left allmulticast mode
[ 1268.686931][T13417] veth1: left allmulticast mode
[ 1268.687401][T13417] veth2: left allmulticast mode
[ 1268.687890][T13417] veth3: left allmulticast mode
[ 1268.688371][T13417] veth4: left allmulticast mode
[ 1268.688823][T13417] veth5: left allmulticast mode