[ 1311.486037][T13592] 
[ 1311.486251][T13592] =============================
[ 1311.486446][T13592] WARNING: suspicious RCU usage
[ 1311.486618][T13592] 6.12.0-rc6-virtme #1 Not tainted
[ 1311.486792][T13592] -----------------------------
[ 1311.486964][T13592] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1311.487228][T13592] 
[ 1311.487228][T13592] other info that might help us debug this:
[ 1311.487228][T13592] 
[ 1311.487550][T13592] 
[ 1311.487550][T13592] rcu_scheduler_active = 2, debug_locks = 1
[ 1311.487793][T13592] no locks held by smcrouted/13592.
[ 1311.487968][T13592] 
[ 1311.487968][T13592] stack backtrace:
[ 1311.489041][T13592] CPU: 2 UID: 0 PID: 13592 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1311.489320][T13592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1311.489517][T13592] Call Trace:
[ 1311.489644][T13592]  <TASK>
[ 1311.489733][T13592]  dump_stack_lvl+0xb0/0xd0
[ 1311.489908][T13592]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1311.490088][T13592]  ip6mr_get_table+0x142/0x190
[ 1311.490265][T13592]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1311.490427][T13592]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1311.490630][T13592]  ? __lock_release+0x103/0x460
[ 1311.490785][T13592]  ? __might_fault+0x11b/0x170
[ 1311.490949][T13592]  ? trace_lock_acquire+0x14d/0x1f0
[ 1311.491113][T13592]  ? __might_fault+0xc3/0x170
[ 1311.491270][T13592]  ? lock_acquire+0x32/0xc0
[ 1311.491424][T13592]  ? __might_fault+0xc3/0x170
[ 1311.491586][T13592]  ? __might_fault+0x11b/0x170
[ 1311.491753][T13592]  do_ipv6_setsockopt+0x705/0x34e0
[ 1311.491914][T13592]  ? __lock_release+0xe0/0x460
[ 1311.492074][T13592]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1311.492227][T13592]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1311.492388][T13592]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1311.492543][T13592]  ? validate_chain+0x1fe/0xae0
[ 1311.492702][T13592]  ? is_bpf_text_address+0x67/0x120
[ 1311.492867][T13592]  ? __pfx_validate_chain+0x10/0x10
[ 1311.493027][T13592]  ? hlock_class+0x4e/0x130
[ 1311.493185][T13592]  ? mark_lock+0x38/0x3e0
[ 1311.493312][T13592]  ? __lock_acquire+0xb3f/0x1580
[ 1311.493476][T13592]  ? find_held_lock+0x2c/0x110
[ 1311.493644][T13592]  ? ipv6_setsockopt+0x7f/0xe0
[ 1311.493808][T13592]  ipv6_setsockopt+0x7f/0xe0
[ 1311.493980][T13592]  rawv6_setsockopt+0xb7/0x550
[ 1311.494144][T13592]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1311.494298][T13592]  ? __lock_acquire+0xb3f/0x1580
[ 1311.494455][T13592]  ? kfree+0x2d/0x340
[ 1311.494583][T13592]  do_sock_setsockopt+0x149/0x3a0
[ 1311.494742][T13592]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1311.494900][T13592]  ? __lock_release+0x103/0x460
[ 1311.495059][T13592]  ? fd_install+0x1d1/0x5a0
[ 1311.495221][T13592]  ? trace_lock_acquire+0x14d/0x1f0
[ 1311.495388][T13592]  ? fdget+0x52/0x1e0
[ 1311.495512][T13592]  __sys_setsockopt+0x104/0x1a0
[ 1311.495670][T13592]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1311.495825][T13592]  ? __sys_socket+0x168/0x1e0
[ 1311.495983][T13592]  ? __pfx___sys_socket+0x10/0x10
[ 1311.496153][T13592]  ? do_user_addr_fault+0x374/0xe30
[ 1311.496314][T13592]  __x64_sys_setsockopt+0xbd/0x160
[ 1311.496468][T13592]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1311.496665][T13592]  do_syscall_64+0xc1/0x1d0
[ 1311.496830][T13592]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1311.497023][T13592] RIP: 0033:0x7ff6bb48791e
[ 1311.497196][T13592] 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
[ 1311.497738][T13592] RSP: 002b:00007ffca5aeba48 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1311.497980][T13592] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff6bb48791e
[ 1311.498216][T13592] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1311.498449][T13592] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1311.498681][T13592] R10: 00007ffca5aeba6c R11: 0000000000000246 R12: 0000000000000000
[ 1311.498925][T13592] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007ff6bb58c000
[ 1311.499172][T13592]  </TASK>
[ 1311.502980][T13592] veth0: entered allmulticast mode
[ 1311.505017][T13592] veth1: entered allmulticast mode
[ 1311.505386][T13592] veth2: entered allmulticast mode
[ 1311.505716][T13592] veth3: entered allmulticast mode
[ 1330.286487][T13592] veth0: left allmulticast mode
[ 1330.286952][T13592] veth1: left allmulticast mode
[ 1330.287267][T13592] veth2: left allmulticast mode
[ 1330.287540][T13592] veth3: left allmulticast mode