[ 1270.549904][T17343] 
[ 1270.550054][T17343] =============================
[ 1270.550243][T17343] WARNING: suspicious RCU usage
[ 1270.550415][T17343] 6.12.0-virtme #1 Not tainted
[ 1270.550632][T17343] -----------------------------
[ 1270.550806][T17343] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1270.551080][T17343] 
[ 1270.551080][T17343] other info that might help us debug this:
[ 1270.551080][T17343] 
[ 1270.551417][T17343] 
[ 1270.551417][T17343] rcu_scheduler_active = 2, debug_locks = 1
[ 1270.551689][T17343] no locks held by smcrouted/17343.
[ 1270.551919][T17343] 
[ 1270.551919][T17343] stack backtrace:
[ 1270.552186][T17343] CPU: 0 UID: 0 PID: 17343 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1270.552478][T17343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1270.552680][T17343] Call Trace:
[ 1270.552827][T17343]  <TASK>
[ 1270.552960][T17343]  dump_stack_lvl+0xb0/0xd0
[ 1270.553140][T17343]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1270.553359][T17343]  ip6mr_get_table+0x142/0x190
[ 1270.553587][T17343]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1270.553813][T17343]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1270.554102][T17343]  ? __lock_release+0x103/0x460
[ 1270.554314][T17343]  ? __might_fault+0x11b/0x170
[ 1270.554546][T17343]  ? trace_lock_acquire+0x14d/0x1f0
[ 1270.554732][T17343]  ? __might_fault+0xc3/0x170
[ 1270.554926][T17343]  ? lock_acquire+0x32/0xc0
[ 1270.555095][T17343]  ? __might_fault+0xc3/0x170
[ 1270.555329][T17343]  ? __might_fault+0x11b/0x170
[ 1270.555556][T17343]  do_ipv6_setsockopt+0x705/0x34e0
[ 1270.555735][T17343]  ? validate_chain+0x160/0xae0
[ 1270.555941][T17343]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1270.556142][T17343]  ? __pfx_validate_chain+0x10/0x10
[ 1270.556309][T17343]  ? hlock_class+0x4e/0x130
[ 1270.556469][T17343]  ? mark_lock+0x38/0x3e0
[ 1270.556626][T17343]  ? __lock_acquire+0xb9a/0x1680
[ 1270.556879][T17343]  ? find_held_lock+0x2c/0x110
[ 1270.557075][T17343]  ? __lock_release+0x103/0x460
[ 1270.557240][T17343]  ? __create_object+0x5e/0xb0
[ 1270.557458][T17343]  ? __pfx___lock_release+0x10/0x10
[ 1270.557639][T17343]  ? __pfx_validate_chain+0x10/0x10
[ 1270.557800][T17343]  ? hlock_class+0x4e/0x130
[ 1270.558027][T17343]  ? mark_lock+0x38/0x3e0
[ 1270.558158][T17343]  ? ipv6_setsockopt+0x7f/0xe0
[ 1270.558321][T17343]  ipv6_setsockopt+0x7f/0xe0
[ 1270.558545][T17343]  rawv6_setsockopt+0xb7/0x550
[ 1270.558720][T17343]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1270.558925][T17343]  ? find_held_lock+0x2c/0x110
[ 1270.559147][T17343]  ? kfree+0x2d/0x340
[ 1270.559289][T17343]  ? __lock_release+0x103/0x460
[ 1270.559507][T17343]  ? fd_install+0x1d1/0x5a0
[ 1270.559694][T17343]  do_sock_setsockopt+0x149/0x3a0
[ 1270.559893][T17343]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1270.560141][T17343]  __sys_setsockopt+0xec/0x160
[ 1270.560323][T17343]  __x64_sys_setsockopt+0xbd/0x160
[ 1270.560504][T17343]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1270.560779][T17343]  do_syscall_64+0xc1/0x1d0
[ 1270.560982][T17343]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1270.561260][T17343] RIP: 0033:0x7fbdd13ca91e
[ 1270.561448][T17343] 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
[ 1270.562187][T17343] RSP: 002b:00007fffbb9d0218 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1270.562463][T17343] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbdd13ca91e
[ 1270.562775][T17343] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1270.563124][T17343] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1270.563390][T17343] R10: 00007fffbb9d023c R11: 0000000000000246 R12: 0000000000000000
[ 1270.563705][T17343] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fbdd14cf000
[ 1270.564079][T17343]  </TASK>
[ 1270.568825][T17343] veth0: entered allmulticast mode
[ 1270.569613][T17343] veth1: entered allmulticast mode
[ 1270.569975][T17343] veth2: entered allmulticast mode
[ 1270.570318][T17343] veth3: entered allmulticast mode
[ 1270.570637][T17343] veth4: entered allmulticast mode
[ 1270.571005][T17343] veth5: entered allmulticast mode
[ 1281.899747][T17430] GACT probability NOT on
[ 1298.103885][T17343] veth0: left allmulticast mode
[ 1298.104309][T17343] veth1: left allmulticast mode
[ 1298.104565][T17343] veth2: left allmulticast mode
[ 1298.104910][T17343] veth3: left allmulticast mode
[ 1298.105325][T17343] veth4: left allmulticast mode
[ 1298.105722][T17343] veth5: left allmulticast mode