[ 1315.762573][ T9656] 
[ 1315.762831][ T9656] =============================
[ 1315.763122][ T9656] WARNING: suspicious RCU usage
[ 1315.764466][ T9656] 6.12.0-rc7-virtme #1 Not tainted
[ 1315.764782][ T9656] -----------------------------
[ 1315.765071][ T9656] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1315.765518][ T9656] 
[ 1315.765518][ T9656] other info that might help us debug this:
[ 1315.765518][ T9656] 
[ 1315.766055][ T9656] 
[ 1315.766055][ T9656] rcu_scheduler_active = 2, debug_locks = 1
[ 1315.766439][ T9656] no locks held by smcrouted/9656.
[ 1315.766626][ T9656] 
[ 1315.766626][ T9656] stack backtrace:
[ 1315.766866][ T9656] CPU: 2 UID: 0 PID: 9656 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1315.767169][ T9656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1315.767387][ T9656] Call Trace:
[ 1315.767515][ T9656]  <TASK>
[ 1315.767608][ T9656]  dump_stack_lvl+0xb0/0xd0
[ 1315.767803][ T9656]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1315.767986][ T9656]  ip6mr_get_table+0x142/0x190
[ 1315.768169][ T9656]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1315.768346][ T9656]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1315.768562][ T9656]  ? __lock_release+0x103/0x460
[ 1315.768744][ T9656]  ? __might_fault+0x11b/0x170
[ 1315.769013][ T9656]  ? trace_lock_acquire+0x14d/0x1f0
[ 1315.769297][ T9656]  ? __might_fault+0xc3/0x170
[ 1315.769558][ T9656]  ? lock_acquire+0x32/0xc0
[ 1315.769827][ T9656]  ? __might_fault+0xc3/0x170
[ 1315.770087][ T9656]  ? __might_fault+0x11b/0x170
[ 1315.770360][ T9656]  do_ipv6_setsockopt+0x705/0x34e0
[ 1315.770631][ T9656]  ? __lock_release+0x10/0x460
[ 1315.770900][ T9656]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1315.771169][ T9656]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1315.771426][ T9656]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1315.771599][ T9656]  ? validate_chain+0x1fe/0xae0
[ 1315.771784][ T9656]  ? is_bpf_text_address+0x67/0x120
[ 1315.771966][ T9656]  ? __pfx_validate_chain+0x10/0x10
[ 1315.772135][ T9656]  ? hlock_class+0x4e/0x130
[ 1315.772307][ T9656]  ? mark_lock+0x38/0x3e0
[ 1315.772447][ T9656]  ? __lock_acquire+0xb3f/0x1580
[ 1315.772632][ T9656]  ? queued_spin_lock_slowpath+0xee/0x970
[ 1315.772862][ T9656]  ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1315.773132][ T9656]  ? find_held_lock+0x2c/0x110
[ 1315.773313][ T9656]  ? ipv6_setsockopt+0x7f/0xe0
[ 1315.773487][ T9656]  ipv6_setsockopt+0x7f/0xe0
[ 1315.773657][ T9656]  rawv6_setsockopt+0xb7/0x550
[ 1315.773835][ T9656]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1315.774000][ T9656]  ? __lock_acquire+0xb3f/0x1580
[ 1315.774173][ T9656]  ? kfree+0x2d/0x340
[ 1315.774322][ T9656]  do_sock_setsockopt+0x149/0x3a0
[ 1315.774491][ T9656]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1315.774656][ T9656]  ? __lock_release+0x103/0x460
[ 1315.774831][ T9656]  ? fd_install+0x1d1/0x5a0
[ 1315.775010][ T9656]  ? trace_lock_acquire+0x14d/0x1f0
[ 1315.775180][ T9656]  ? fdget+0x52/0x1e0
[ 1315.775313][ T9656]  __sys_setsockopt+0x104/0x1a0
[ 1315.775489][ T9656]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1315.775658][ T9656]  ? __sys_socket+0x168/0x1e0
[ 1315.775838][ T9656]  ? __pfx___sys_socket+0x10/0x10
[ 1315.776005][ T9656]  ? do_user_addr_fault+0x374/0xe30
[ 1315.776180][ T9656]  __x64_sys_setsockopt+0xbd/0x160
[ 1315.776349][ T9656]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1315.776561][ T9656]  do_syscall_64+0xc1/0x1d0
[ 1315.776748][ T9656]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1315.777068][ T9656] RIP: 0033:0x7fb81caf191e
[ 1315.777263][ T9656] 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
[ 1315.777864][ T9656] RSP: 002b:00007ffd11efc258 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1315.778129][ T9656] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb81caf191e
[ 1315.778387][ T9656] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1315.778637][ T9656] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1315.778901][ T9656] R10: 00007ffd11efc27c R11: 0000000000000246 R12: 0000000000000000
[ 1315.779158][ T9656] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fb81cbf6000
[ 1315.779432][ T9656]  </TASK>
[ 1315.789701][ T9656] veth0: entered allmulticast mode
[ 1315.790378][ T9656] veth1: entered allmulticast mode
[ 1315.790756][ T9656] veth2: entered allmulticast mode
[ 1315.791120][ T9656] veth3: entered allmulticast mode
[ 1334.995695][ T9656] veth0: left allmulticast mode
[ 1334.996040][ T9656] veth1: left allmulticast mode
[ 1334.996311][ T9656] veth2: left allmulticast mode
[ 1334.996602][ T9656] veth3: left allmulticast mode