[ 1316.677918][T10509] 
[ 1316.678130][T10509] =============================
[ 1316.678342][T10509] WARNING: suspicious RCU usage
[ 1316.678550][T10509] 6.12.0-virtme #1 Not tainted
[ 1316.679878][T10509] -----------------------------
[ 1316.680126][T10509] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1316.680418][T10509] 
[ 1316.680418][T10509] other info that might help us debug this:
[ 1316.680418][T10509] 
[ 1316.680893][T10509] 
[ 1316.680893][T10509] rcu_scheduler_active = 2, debug_locks = 1
[ 1316.681180][T10509] no locks held by smcrouted/10509.
[ 1316.681373][T10509] 
[ 1316.681373][T10509] stack backtrace:
[ 1316.681708][T10509] CPU: 1 UID: 0 PID: 10509 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1316.682013][T10509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1316.682262][T10509] Call Trace:
[ 1316.682415][T10509]  <TASK>
[ 1316.682523][T10509]  dump_stack_lvl+0xb0/0xd0
[ 1316.682746][T10509]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1316.682962][T10509]  ip6mr_get_table+0x142/0x190
[ 1316.683171][T10509]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1316.683368][T10509]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1316.683621][T10509]  ? __lock_release+0x103/0x460
[ 1316.683819][T10509]  ? __might_fault+0x11b/0x170
[ 1316.684017][T10509]  ? trace_lock_acquire+0x14d/0x1f0
[ 1316.684199][T10509]  ? __might_fault+0xc3/0x170
[ 1316.684394][T10509]  ? lock_acquire+0x32/0xc0
[ 1316.684594][T10509]  ? __might_fault+0xc3/0x170
[ 1316.684771][T10509]  ? __might_fault+0x11b/0x170
[ 1316.684964][T10509]  do_ipv6_setsockopt+0x705/0x34e0
[ 1316.685147][T10509]  ? validate_chain+0x160/0xae0
[ 1316.685340][T10509]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1316.685529][T10509]  ? __pfx_validate_chain+0x10/0x10
[ 1316.685713][T10509]  ? hlock_class+0x4e/0x130
[ 1316.685904][T10509]  ? mark_lock+0x38/0x3e0
[ 1316.686060][T10509]  ? __lock_acquire+0xb9a/0x1680
[ 1316.686251][T10509]  ? queued_spin_lock_slowpath+0xee/0x970
[ 1316.686442][T10509]  ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1316.686671][T10509]  ? find_held_lock+0x2c/0x110
[ 1316.686870][T10509]  ? __lock_release+0x103/0x460
[ 1316.687065][T10509]  ? __create_object+0x5e/0xb0
[ 1316.687246][T10509]  ? __pfx___lock_release+0x10/0x10
[ 1316.687439][T10509]  ? __pfx_validate_chain+0x10/0x10
[ 1316.687620][T10509]  ? hlock_class+0x4e/0x130
[ 1316.687816][T10509]  ? mark_lock+0x38/0x3e0
[ 1316.687968][T10509]  ? ipv6_setsockopt+0x7f/0xe0
[ 1316.688153][T10509]  ipv6_setsockopt+0x7f/0xe0
[ 1316.688358][T10509]  rawv6_setsockopt+0xb7/0x550
[ 1316.688550][T10509]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1316.688737][T10509]  ? find_held_lock+0x2c/0x110
[ 1316.688915][T10509]  ? kfree+0x2d/0x340
[ 1316.689062][T10509]  ? __lock_release+0x103/0x460
[ 1316.689268][T10509]  ? fd_install+0x1d1/0x5a0
[ 1316.689474][T10509]  do_sock_setsockopt+0x149/0x3a0
[ 1316.689661][T10509]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1316.689865][T10509]  __sys_setsockopt+0xec/0x160
[ 1316.690058][T10509]  __x64_sys_setsockopt+0xbd/0x160
[ 1316.690251][T10509]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1316.690499][T10509]  do_syscall_64+0xc1/0x1d0
[ 1316.690699][T10509]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1316.690935][T10509] RIP: 0033:0x7f39e710a91e
[ 1316.691137][T10509] 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
[ 1316.691807][T10509] RSP: 002b:00007fff37f6cb48 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1316.692093][T10509] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f39e710a91e
[ 1316.692362][T10509] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1316.692647][T10509] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1316.692926][T10509] R10: 00007fff37f6cb6c R11: 0000000000000246 R12: 0000000000000000
[ 1316.693209][T10509] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f39e720f000
[ 1316.693511][T10509]  </TASK>
[ 1316.698180][T10509] veth0: entered allmulticast mode
[ 1316.700348][T10509] veth1: entered allmulticast mode
[ 1316.700799][T10509] veth2: entered allmulticast mode
[ 1316.701202][T10509] veth3: entered allmulticast mode
[ 1316.701619][T10509] veth4: entered allmulticast mode
[ 1316.701995][T10509] veth5: entered allmulticast mode
[ 1343.176456][T10509] veth0: left allmulticast mode
[ 1343.176942][T10509] veth1: left allmulticast mode
[ 1343.177253][T10509] veth2: left allmulticast mode
[ 1343.177559][T10509] veth3: left allmulticast mode
[ 1343.177877][T10509] veth4: left allmulticast mode
[ 1343.178186][T10509] veth5: left allmulticast mode