[ 1330.306910][T17687] 
[ 1330.307123][T17687] =============================
[ 1330.307317][T17687] WARNING: suspicious RCU usage
[ 1330.307577][T17687] 6.12.0-virtme #1 Not tainted
[ 1330.307796][T17687] -----------------------------
[ 1330.307953][T17687] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1330.308267][T17687] 
[ 1330.308267][T17687] other info that might help us debug this:
[ 1330.308267][T17687] 
[ 1330.308597][T17687] 
[ 1330.308597][T17687] rcu_scheduler_active = 2, debug_locks = 1
[ 1330.308827][T17687] no locks held by smcrouted/17687.
[ 1330.308985][T17687] 
[ 1330.308985][T17687] stack backtrace:
[ 1330.309178][T17687] CPU: 0 UID: 0 PID: 17687 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1330.309431][T17687] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1330.309633][T17687] Call Trace:
[ 1330.309760][T17687]  <TASK>
[ 1330.309850][T17687]  dump_stack_lvl+0xb0/0xd0
[ 1330.310021][T17687]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1330.310182][T17687]  ip6mr_get_table+0x142/0x190
[ 1330.310364][T17687]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1330.310523][T17687]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1330.310719][T17687]  ? __lock_release+0x103/0x460
[ 1330.310874][T17687]  ? __might_fault+0x11b/0x170
[ 1330.311034][T17687]  ? trace_lock_acquire+0x14d/0x1f0
[ 1330.311254][T17687]  ? __might_fault+0xc3/0x170
[ 1330.311416][T17687]  ? lock_acquire+0x32/0xc0
[ 1330.311624][T17687]  ? __might_fault+0xc3/0x170
[ 1330.311794][T17687]  ? __might_fault+0x11b/0x170
[ 1330.311957][T17687]  do_ipv6_setsockopt+0x705/0x34e0
[ 1330.312118][T17687]  ? validate_chain+0x160/0xae0
[ 1330.312316][T17687]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1330.312505][T17687]  ? __pfx_validate_chain+0x10/0x10
[ 1330.312658][T17687]  ? hlock_class+0x4e/0x130
[ 1330.312854][T17687]  ? mark_lock+0x38/0x3e0
[ 1330.312998][T17687]  ? __lock_acquire+0xb9a/0x1680
[ 1330.313213][T17687]  ? find_held_lock+0x2c/0x110
[ 1330.313389][T17687]  ? __lock_release+0x103/0x460
[ 1330.313596][T17687]  ? __create_object+0x5e/0xb0
[ 1330.313752][T17687]  ? __pfx___lock_release+0x10/0x10
[ 1330.313909][T17687]  ? __pfx_validate_chain+0x10/0x10
[ 1330.314062][T17687]  ? hlock_class+0x4e/0x130
[ 1330.314213][T17687]  ? mark_lock+0x38/0x3e0
[ 1330.314347][T17687]  ? ipv6_setsockopt+0x7f/0xe0
[ 1330.314631][T17687]  ipv6_setsockopt+0x7f/0xe0
[ 1330.314822][T17687]  rawv6_setsockopt+0xb7/0x550
[ 1330.314983][T17687]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1330.315138][T17687]  ? find_held_lock+0x2c/0x110
[ 1330.315298][T17687]  ? kfree+0x2d/0x340
[ 1330.315415][T17687]  ? __lock_release+0x103/0x460
[ 1330.315568][T17687]  ? fd_install+0x1d1/0x5a0
[ 1330.315767][T17687]  do_sock_setsockopt+0x149/0x3a0
[ 1330.316027][T17687]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1330.316316][T17687]  __sys_setsockopt+0xec/0x160
[ 1330.316535][T17687]  __x64_sys_setsockopt+0xbd/0x160
[ 1330.316700][T17687]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1330.316894][T17687]  do_syscall_64+0xc1/0x1d0
[ 1330.317053][T17687]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1330.317251][T17687] RIP: 0033:0x7f35e532091e
[ 1330.317420][T17687] 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
[ 1330.317972][T17687] RSP: 002b:00007ffdc7c70478 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1330.318212][T17687] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f35e532091e
[ 1330.318443][T17687] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1330.318675][T17687] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1330.318926][T17687] R10: 00007ffdc7c7049c R11: 0000000000000246 R12: 0000000000000000
[ 1330.319159][T17687] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f35e5425000
[ 1330.319516][T17687]  </TASK>
[ 1330.323082][T17687] veth0: entered allmulticast mode
[ 1330.323681][T17687] veth1: entered allmulticast mode
[ 1330.324028][T17687] veth2: entered allmulticast mode
[ 1330.324354][T17687] veth3: entered allmulticast mode
[ 1330.324712][T17687] veth4: entered allmulticast mode
[ 1330.325111][T17687] veth5: entered allmulticast mode
[ 1356.492619][T17687] veth0: left allmulticast mode
[ 1356.493006][T17687] veth1: left allmulticast mode
[ 1356.493240][T17687] veth2: left allmulticast mode
[ 1356.493486][T17687] veth3: left allmulticast mode
[ 1356.493743][T17687] veth4: left allmulticast mode
[ 1356.493960][T17687] veth5: left allmulticast mode