[ 1310.584173][T14701] 
[ 1310.584376][T14701] =============================
[ 1310.584562][T14701] WARNING: suspicious RCU usage
[ 1310.584812][T14701] 6.12.0-rc6-virtme #1 Not tainted
[ 1310.584987][T14701] -----------------------------
[ 1310.585362][T14701] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1310.585628][T14701] 
[ 1310.585628][T14701] other info that might help us debug this:
[ 1310.585628][T14701] 
[ 1310.585948][T14701] 
[ 1310.585948][T14701] rcu_scheduler_active = 2, debug_locks = 1
[ 1310.586243][T14701] no locks held by smcrouted/14701.
[ 1310.586425][T14701] 
[ 1310.586425][T14701] stack backtrace:
[ 1310.586676][T14701] CPU: 2 UID: 0 PID: 14701 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1310.586975][T14701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1310.587189][T14701] Call Trace:
[ 1310.587334][T14701]  <TASK>
[ 1310.587432][T14701]  dump_stack_lvl+0xb0/0xd0
[ 1310.587605][T14701]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1310.587799][T14701]  ip6mr_get_table+0x142/0x190
[ 1310.587992][T14701]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1310.588178][T14701]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1310.588434][T14701]  ? __lock_release+0x103/0x460
[ 1310.588606][T14701]  ? __might_fault+0x11b/0x170
[ 1310.588779][T14701]  ? trace_lock_acquire+0x14d/0x1f0
[ 1310.588951][T14701]  ? __might_fault+0xc3/0x170
[ 1310.589108][T14701]  ? lock_acquire+0x32/0xc0
[ 1310.589281][T14701]  ? __might_fault+0xc3/0x170
[ 1310.589452][T14701]  ? __might_fault+0x11b/0x170
[ 1310.589628][T14701]  do_ipv6_setsockopt+0x705/0x34e0
[ 1310.589804][T14701]  ? __lock_release+0xe0/0x460
[ 1310.589976][T14701]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1310.590133][T14701]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1310.590300][T14701]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1310.590457][T14701]  ? validate_chain+0x1fe/0xae0
[ 1310.590618][T14701]  ? is_bpf_text_address+0x67/0x120
[ 1310.590782][T14701]  ? __pfx_validate_chain+0x10/0x10
[ 1310.590951][T14701]  ? hlock_class+0x4e/0x130
[ 1310.591124][T14701]  ? mark_lock+0x38/0x3e0
[ 1310.591255][T14701]  ? __lock_acquire+0xb3f/0x1580
[ 1310.591427][T14701]  ? find_held_lock+0x2c/0x110
[ 1310.591595][T14701]  ? ipv6_setsockopt+0x7f/0xe0
[ 1310.591751][T14701]  ipv6_setsockopt+0x7f/0xe0
[ 1310.591910][T14701]  rawv6_setsockopt+0xb7/0x550
[ 1310.592072][T14701]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1310.592228][T14701]  ? __lock_acquire+0xb3f/0x1580
[ 1310.592391][T14701]  ? kfree+0x2d/0x340
[ 1310.592557][T14701]  do_sock_setsockopt+0x149/0x3a0
[ 1310.592725][T14701]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1310.592907][T14701]  ? __lock_release+0x103/0x460
[ 1310.593074][T14701]  ? fd_install+0x1d1/0x5a0
[ 1310.593242][T14701]  ? trace_lock_acquire+0x14d/0x1f0
[ 1310.593408][T14701]  ? fdget+0x52/0x1e0
[ 1310.593533][T14701]  __sys_setsockopt+0x104/0x1a0
[ 1310.593691][T14701]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1310.593858][T14701]  ? __sys_socket+0x168/0x1e0
[ 1310.594032][T14701]  ? __pfx___sys_socket+0x10/0x10
[ 1310.594193][T14701]  ? do_user_addr_fault+0x374/0xe30
[ 1310.594375][T14701]  __x64_sys_setsockopt+0xbd/0x160
[ 1310.594539][T14701]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1310.594742][T14701]  do_syscall_64+0xc1/0x1d0
[ 1310.594909][T14701]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1310.595435][T14701] RIP: 0033:0x7fe0d6e9e91e
[ 1310.595615][T14701] 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
[ 1310.596218][T14701] RSP: 002b:00007fffc28558f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1310.596464][T14701] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe0d6e9e91e
[ 1310.596714][T14701] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1310.596952][T14701] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1310.597191][T14701] R10: 00007fffc285591c R11: 0000000000000246 R12: 0000000000000000
[ 1310.597439][T14701] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fe0d6fa3000
[ 1310.597691][T14701]  </TASK>
[ 1310.603624][T14701] veth0: entered allmulticast mode
[ 1310.605663][T14701] veth1: entered allmulticast mode
[ 1310.606062][T14701] veth2: entered allmulticast mode
[ 1310.606429][T14701] veth3: entered allmulticast mode
[ 1329.265980][T14701] veth0: left allmulticast mode
[ 1329.266316][T14701] veth1: left allmulticast mode
[ 1329.266554][T14701] veth2: left allmulticast mode
[ 1329.266806][T14701] veth3: left allmulticast mode