[ 1321.397999][T14682] 
[ 1321.398181][T14682] =============================
[ 1321.398370][T14682] WARNING: suspicious RCU usage
[ 1321.398599][T14682] 6.12.0-rc7-virtme #1 Not tainted
[ 1321.398790][T14682] -----------------------------
[ 1321.398969][T14682] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1321.399226][T14682] 
[ 1321.399226][T14682] other info that might help us debug this:
[ 1321.399226][T14682] 
[ 1321.399657][T14682] 
[ 1321.399657][T14682] rcu_scheduler_active = 2, debug_locks = 1
[ 1321.399940][T14682] no locks held by smcrouted/14682.
[ 1321.400125][T14682] 
[ 1321.400125][T14682] stack backtrace:
[ 1321.400342][T14682] CPU: 2 UID: 0 PID: 14682 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1321.400640][T14682] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1321.400855][T14682] Call Trace:
[ 1321.400981][T14682]  <TASK>
[ 1321.401078][T14682]  dump_stack_lvl+0xb0/0xd0
[ 1321.401261][T14682]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1321.401438][T14682]  ip6mr_get_table+0x142/0x190
[ 1321.401621][T14682]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1321.401802][T14682]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1321.402022][T14682]  ? __lock_release+0x103/0x460
[ 1321.402195][T14682]  ? __might_fault+0x11b/0x170
[ 1321.402374][T14682]  ? trace_lock_acquire+0x14d/0x1f0
[ 1321.402573][T14682]  ? __might_fault+0xc3/0x170
[ 1321.402745][T14682]  ? lock_acquire+0x32/0xc0
[ 1321.402925][T14682]  ? __might_fault+0xc3/0x170
[ 1321.403101][T14682]  ? __might_fault+0x11b/0x170
[ 1321.403289][T14682]  do_ipv6_setsockopt+0x705/0x34e0
[ 1321.403467][T14682]  ? __lock_release+0x10/0x460
[ 1321.403652][T14682]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1321.403825][T14682]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1321.404002][T14682]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1321.404176][T14682]  ? validate_chain+0x1fe/0xae0
[ 1321.404352][T14682]  ? is_bpf_text_address+0x67/0x120
[ 1321.404541][T14682]  ? __pfx_validate_chain+0x10/0x10
[ 1321.404717][T14682]  ? hlock_class+0x4e/0x130
[ 1321.404891][T14682]  ? mark_lock+0x38/0x3e0
[ 1321.405027][T14682]  ? __lock_acquire+0xb3f/0x1580
[ 1321.405204][T14682]  ? find_held_lock+0x2c/0x110
[ 1321.405384][T14682]  ? ipv6_setsockopt+0x7f/0xe0
[ 1321.405569][T14682]  ipv6_setsockopt+0x7f/0xe0
[ 1321.405727][T14682]  rawv6_setsockopt+0xb7/0x550
[ 1321.405899][T14682]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1321.406069][T14682]  ? __lock_acquire+0xb3f/0x1580
[ 1321.406250][T14682]  ? kfree+0x2d/0x340
[ 1321.406388][T14682]  do_sock_setsockopt+0x149/0x3a0
[ 1321.406571][T14682]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1321.406743][T14682]  ? __lock_release+0x103/0x460
[ 1321.406912][T14682]  ? fd_install+0x1d1/0x5a0
[ 1321.407098][T14682]  ? trace_lock_acquire+0x14d/0x1f0
[ 1321.407280][T14682]  ? fdget+0x52/0x1e0
[ 1321.407417][T14682]  __sys_setsockopt+0x104/0x1a0
[ 1321.407607][T14682]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1321.407784][T14682]  ? __sys_socket+0x168/0x1e0
[ 1321.407959][T14682]  ? __pfx___sys_socket+0x10/0x10
[ 1321.408138][T14682]  ? do_user_addr_fault+0x374/0xe30
[ 1321.408314][T14682]  __x64_sys_setsockopt+0xbd/0x160
[ 1321.408494][T14682]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1321.408734][T14682]  do_syscall_64+0xc1/0x1d0
[ 1321.408918][T14682]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1321.409132][T14682] RIP: 0033:0x7fddc9a8691e
[ 1321.409315][T14682] 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
[ 1321.409934][T14682] RSP: 002b:00007ffe2cd37138 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1321.410201][T14682] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fddc9a8691e
[ 1321.410462][T14682] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1321.410706][T14682] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1321.410955][T14682] R10: 00007ffe2cd3715c R11: 0000000000000246 R12: 0000000000000000
[ 1321.411208][T14682] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fddc9b8b000
[ 1321.411475][T14682]  </TASK>
[ 1321.414919][T14682] veth0: entered allmulticast mode
[ 1321.415491][T14682] veth1: entered allmulticast mode
[ 1321.415892][T14682] veth2: entered allmulticast mode
[ 1321.416242][T14682] veth3: entered allmulticast mode
[ 1321.416629][T14682] veth4: entered allmulticast mode
[ 1321.416981][T14682] veth5: entered allmulticast mode
[ 1346.839956][T14682] veth0: left allmulticast mode
[ 1346.840303][T14682] veth1: left allmulticast mode
[ 1346.840583][T14682] veth2: left allmulticast mode
[ 1346.840836][T14682] veth3: left allmulticast mode
[ 1346.841089][T14682] veth4: left allmulticast mode
[ 1346.841335][T14682] veth5: left allmulticast mode