[ 1282.357616][T10181] 
[ 1282.357771][T10181] =============================
[ 1282.357955][T10181] WARNING: suspicious RCU usage
[ 1282.358130][T10181] 6.12.0-rc7-virtme #1 Not tainted
[ 1282.358308][T10181] -----------------------------
[ 1282.358492][T10181] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1282.358752][T10181] 
[ 1282.358752][T10181] other info that might help us debug this:
[ 1282.358752][T10181] 
[ 1282.359106][T10181] 
[ 1282.359106][T10181] rcu_scheduler_active = 2, debug_locks = 1
[ 1282.359387][T10181] no locks held by smcrouted/10181.
[ 1282.359570][T10181] 
[ 1282.359570][T10181] stack backtrace:
[ 1282.359781][T10181] CPU: 0 UID: 0 PID: 10181 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1282.360083][T10181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1282.360338][T10181] Call Trace:
[ 1282.360513][T10181]  <TASK>
[ 1282.360612][T10181]  dump_stack_lvl+0xb0/0xd0
[ 1282.360838][T10181]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1282.361034][T10181]  ip6mr_get_table+0x142/0x190
[ 1282.361253][T10181]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1282.361479][T10181]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1282.361717][T10181]  ? __lock_release+0x103/0x460
[ 1282.361919][T10181]  ? __might_fault+0x11b/0x170
[ 1282.362132][T10181]  ? trace_lock_acquire+0x14d/0x1f0
[ 1282.362323][T10181]  ? __might_fault+0xc3/0x170
[ 1282.362540][T10181]  ? lock_acquire+0x32/0xc0
[ 1282.362763][T10181]  ? __might_fault+0xc3/0x170
[ 1282.362955][T10181]  ? __might_fault+0x11b/0x170
[ 1282.363154][T10181]  do_ipv6_setsockopt+0x705/0x34e0
[ 1282.363367][T10181]  ? __lock_release+0x40/0x460
[ 1282.363601][T10181]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1282.363794][T10181]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1282.364009][T10181]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1282.364239][T10181]  ? validate_chain+0x1fe/0xae0
[ 1282.364423][T10181]  ? is_bpf_text_address+0x67/0x120
[ 1282.364654][T10181]  ? __pfx_validate_chain+0x10/0x10
[ 1282.364865][T10181]  ? hlock_class+0x4e/0x130
[ 1282.365041][T10181]  ? mark_lock+0x38/0x3e0
[ 1282.365176][T10181]  ? __lock_acquire+0xb3f/0x1580
[ 1282.365359][T10181]  ? find_held_lock+0x2c/0x110
[ 1282.365551][T10181]  ? ipv6_setsockopt+0x7f/0xe0
[ 1282.365728][T10181]  ipv6_setsockopt+0x7f/0xe0
[ 1282.365901][T10181]  rawv6_setsockopt+0xb7/0x550
[ 1282.366078][T10181]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1282.366252][T10181]  ? __lock_acquire+0xb3f/0x1580
[ 1282.366435][T10181]  ? kfree+0x2d/0x340
[ 1282.366580][T10181]  do_sock_setsockopt+0x149/0x3a0
[ 1282.366759][T10181]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1282.366932][T10181]  ? __lock_release+0x103/0x460
[ 1282.367102][T10181]  ? fd_install+0x1d1/0x5a0
[ 1282.367277][T10181]  ? trace_lock_acquire+0x14d/0x1f0
[ 1282.367473][T10181]  ? fdget+0x52/0x1e0
[ 1282.367625][T10181]  __sys_setsockopt+0x104/0x1a0
[ 1282.367804][T10181]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1282.367975][T10181]  ? __sys_socket+0x168/0x1e0
[ 1282.368145][T10181]  ? __pfx___sys_socket+0x10/0x10
[ 1282.368315][T10181]  ? do_user_addr_fault+0x374/0xe30
[ 1282.368506][T10181]  __x64_sys_setsockopt+0xbd/0x160
[ 1282.368678][T10181]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1282.368902][T10181]  do_syscall_64+0xc1/0x1d0
[ 1282.369094][T10181]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1282.369312][T10181] RIP: 0033:0x7fc165c0d91e
[ 1282.369509][T10181] 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
[ 1282.370115][T10181] RSP: 002b:00007ffd1add49b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1282.370389][T10181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc165c0d91e
[ 1282.370638][T10181] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1282.370896][T10181] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1282.371151][T10181] R10: 00007ffd1add49dc R11: 0000000000000246 R12: 0000000000000000
[ 1282.371418][T10181] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fc165d12000
[ 1282.371713][T10181]  </TASK>
[ 1282.375816][T10181] veth0: entered allmulticast mode
[ 1282.376492][T10181] veth1: entered allmulticast mode
[ 1282.376928][T10181] veth2: entered allmulticast mode
[ 1282.377315][T10181] veth3: entered allmulticast mode
[ 1301.153534][T10181] veth0: left allmulticast mode
[ 1301.153859][T10181] veth1: left allmulticast mode
[ 1301.154108][T10181] veth2: left allmulticast mode
[ 1301.154349][T10181] veth3: left allmulticast mode