[ 1291.439989][T10544] 
[ 1291.440136][T10544] =============================
[ 1291.440397][T10544] WARNING: suspicious RCU usage
[ 1291.440581][T10544] 6.12.0-virtme #1 Not tainted
[ 1291.440745][T10544] -----------------------------
[ 1291.440905][T10544] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1291.441140][T10544] 
[ 1291.441140][T10544] other info that might help us debug this:
[ 1291.441140][T10544] 
[ 1291.441443][T10544] 
[ 1291.441443][T10544] rcu_scheduler_active = 2, debug_locks = 1
[ 1291.442001][T10544] no locks held by smcrouted/10544.
[ 1291.442169][T10544] 
[ 1291.442169][T10544] stack backtrace:
[ 1291.442417][T10544] CPU: 3 UID: 0 PID: 10544 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1291.442670][T10544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1291.442873][T10544] Call Trace:
[ 1291.443004][T10544]  <TASK>
[ 1291.443095][T10544]  dump_stack_lvl+0xb0/0xd0
[ 1291.443282][T10544]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1291.443449][T10544]  ip6mr_get_table+0x142/0x190
[ 1291.443651][T10544]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1291.443841][T10544]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1291.444073][T10544]  ? __lock_release+0x103/0x460
[ 1291.444246][T10544]  ? __might_fault+0x11b/0x170
[ 1291.444425][T10544]  ? trace_lock_acquire+0x14d/0x1f0
[ 1291.444603][T10544]  ? __might_fault+0xc3/0x170
[ 1291.444776][T10544]  ? lock_acquire+0x32/0xc0
[ 1291.444937][T10544]  ? __might_fault+0xc3/0x170
[ 1291.445098][T10544]  ? __might_fault+0x11b/0x170
[ 1291.445261][T10544]  do_ipv6_setsockopt+0x705/0x34e0
[ 1291.445425][T10544]  ? validate_chain+0x160/0xae0
[ 1291.445596][T10544]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1291.445760][T10544]  ? __pfx_validate_chain+0x10/0x10
[ 1291.445928][T10544]  ? hlock_class+0x4e/0x130
[ 1291.446088][T10544]  ? mark_lock+0x38/0x3e0
[ 1291.446219][T10544]  ? __lock_acquire+0xb9a/0x1680
[ 1291.446395][T10544]  ? find_held_lock+0x2c/0x110
[ 1291.446559][T10544]  ? __lock_release+0x103/0x460
[ 1291.446718][T10544]  ? __create_object+0x5e/0xb0
[ 1291.446877][T10544]  ? __pfx___lock_release+0x10/0x10
[ 1291.447043][T10544]  ? __pfx_validate_chain+0x10/0x10
[ 1291.447222][T10544]  ? hlock_class+0x4e/0x130
[ 1291.447384][T10544]  ? mark_lock+0x38/0x3e0
[ 1291.447521][T10544]  ? ipv6_setsockopt+0x7f/0xe0
[ 1291.447691][T10544]  ipv6_setsockopt+0x7f/0xe0
[ 1291.447855][T10544]  rawv6_setsockopt+0xb7/0x550
[ 1291.448017][T10544]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1291.448181][T10544]  ? find_held_lock+0x2c/0x110
[ 1291.448348][T10544]  ? kfree+0x2d/0x340
[ 1291.448467][T10544]  ? __lock_release+0x103/0x460
[ 1291.448634][T10544]  ? fd_install+0x1d1/0x5a0
[ 1291.448799][T10544]  do_sock_setsockopt+0x149/0x3a0
[ 1291.448979][T10544]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1291.449163][T10544]  __sys_setsockopt+0xec/0x160
[ 1291.449336][T10544]  __x64_sys_setsockopt+0xbd/0x160
[ 1291.449497][T10544]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1291.449690][T10544]  do_syscall_64+0xc1/0x1d0
[ 1291.449859][T10544]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1291.450072][T10544] RIP: 0033:0x7fa52c24891e
[ 1291.450256][T10544] 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
[ 1291.450832][T10544] RSP: 002b:00007ffc53f11228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1291.451093][T10544] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa52c24891e
[ 1291.451336][T10544] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1291.451616][T10544] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1291.451861][T10544] R10: 00007ffc53f1124c R11: 0000000000000246 R12: 0000000000000000
[ 1291.452112][T10544] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fa52c34d000
[ 1291.452375][T10544]  </TASK>
[ 1291.455113][T10544] veth0: entered allmulticast mode
[ 1291.456679][T10544] veth1: entered allmulticast mode
[ 1291.457044][T10544] veth2: entered allmulticast mode
[ 1291.457395][T10544] veth3: entered allmulticast mode
[ 1310.493244][T10544] veth0: left allmulticast mode
[ 1310.493667][T10544] veth1: left allmulticast mode
[ 1310.493924][T10544] veth2: left allmulticast mode
[ 1310.494172][T10544] veth3: left allmulticast mode