[ 1314.327241][T14502] 
[ 1314.327378][T14502] =============================
[ 1314.328363][T14502] WARNING: suspicious RCU usage
[ 1314.328538][T14502] 6.12.0-rc6-virtme #1 Not tainted
[ 1314.328705][T14502] -----------------------------
[ 1314.328868][T14502] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1314.329120][T14502] 
[ 1314.329120][T14502] other info that might help us debug this:
[ 1314.329120][T14502] 
[ 1314.329439][T14502] 
[ 1314.329439][T14502] rcu_scheduler_active = 2, debug_locks = 1
[ 1314.329668][T14502] no locks held by smcrouted/14502.
[ 1314.329826][T14502] 
[ 1314.329826][T14502] stack backtrace:
[ 1314.330020][T14502] CPU: 0 UID: 0 PID: 14502 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1314.330295][T14502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1314.330501][T14502] Call Trace:
[ 1314.330626][T14502]  <TASK>
[ 1314.330712][T14502]  dump_stack_lvl+0xb0/0xd0
[ 1314.330877][T14502]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1314.331039][T14502]  ip6mr_get_table+0x142/0x190
[ 1314.331202][T14502]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1314.331360][T14502]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1314.331560][T14502]  ? __lock_release+0x103/0x460
[ 1314.331717][T14502]  ? __might_fault+0x11b/0x170
[ 1314.331890][T14502]  ? trace_lock_acquire+0x14d/0x1f0
[ 1314.332050][T14502]  ? __might_fault+0xc3/0x170
[ 1314.332203][T14502]  ? lock_acquire+0x32/0xc0
[ 1314.332363][T14502]  ? __might_fault+0xc3/0x170
[ 1314.332522][T14502]  ? __might_fault+0x11b/0x170
[ 1314.332713][T14502]  do_ipv6_setsockopt+0x705/0x34e0
[ 1314.332872][T14502]  ? __lock_release+0xe0/0x460
[ 1314.333029][T14502]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1314.333190][T14502]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1314.333353][T14502]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1314.333511][T14502]  ? validate_chain+0x1fe/0xae0
[ 1314.333668][T14502]  ? is_bpf_text_address+0x67/0x120
[ 1314.333830][T14502]  ? __pfx_validate_chain+0x10/0x10
[ 1314.333988][T14502]  ? hlock_class+0x4e/0x130
[ 1314.334145][T14502]  ? mark_lock+0x38/0x3e0
[ 1314.334270][T14502]  ? __lock_acquire+0xb3f/0x1580
[ 1314.334445][T14502]  ? find_held_lock+0x2c/0x110
[ 1314.334610][T14502]  ? ipv6_setsockopt+0x7f/0xe0
[ 1314.334769][T14502]  ipv6_setsockopt+0x7f/0xe0
[ 1314.334930][T14502]  rawv6_setsockopt+0xb7/0x550
[ 1314.335089][T14502]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1314.335245][T14502]  ? __lock_acquire+0xb3f/0x1580
[ 1314.335405][T14502]  ? kfree+0x2d/0x340
[ 1314.335532][T14502]  do_sock_setsockopt+0x149/0x3a0
[ 1314.335695][T14502]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1314.335853][T14502]  ? __lock_release+0x103/0x460
[ 1314.336011][T14502]  ? fd_install+0x1d1/0x5a0
[ 1314.336172][T14502]  ? trace_lock_acquire+0x14d/0x1f0
[ 1314.336329][T14502]  ? fdget+0x52/0x1e0
[ 1314.336452][T14502]  __sys_setsockopt+0x104/0x1a0
[ 1314.336627][T14502]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1314.336787][T14502]  ? __sys_socket+0x168/0x1e0
[ 1314.336947][T14502]  ? __pfx___sys_socket+0x10/0x10
[ 1314.337108][T14502]  ? do_user_addr_fault+0x374/0xe30
[ 1314.337269][T14502]  __x64_sys_setsockopt+0xbd/0x160
[ 1314.337429][T14502]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1314.337624][T14502]  do_syscall_64+0xc1/0x1d0
[ 1314.337786][T14502]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1314.337981][T14502] RIP: 0033:0x7f0f8bb2b91e
[ 1314.338152][T14502] 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
[ 1314.338697][T14502] RSP: 002b:00007ffe0b4eb628 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1314.338941][T14502] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0f8bb2b91e
[ 1314.339175][T14502] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1314.339412][T14502] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1314.339652][T14502] R10: 00007ffe0b4eb64c R11: 0000000000000246 R12: 0000000000000000
[ 1314.339890][T14502] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f0f8bc30000
[ 1314.340142][T14502]  </TASK>
[ 1314.344768][T14502] veth0: entered allmulticast mode
[ 1314.345291][T14502] veth1: entered allmulticast mode
[ 1314.345645][T14502] veth2: entered allmulticast mode
[ 1314.345963][T14502] veth3: entered allmulticast mode
[ 1332.672840][T14502] veth0: left allmulticast mode
[ 1332.673156][T14502] veth1: left allmulticast mode
[ 1332.673404][T14502] veth2: left allmulticast mode
[ 1332.673660][T14502] veth3: left allmulticast mode