[ 1326.959329][ T9074] 
[ 1326.959550][ T9074] =============================
[ 1326.959719][ T9074] WARNING: suspicious RCU usage
[ 1326.959881][ T9074] 6.12.0-virtme #1 Not tainted
[ 1326.960044][ T9074] -----------------------------
[ 1326.960203][ T9074] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1326.960454][ T9074] 
[ 1326.960454][ T9074] other info that might help us debug this:
[ 1326.960454][ T9074] 
[ 1326.960788][ T9074] 
[ 1326.960788][ T9074] rcu_scheduler_active = 2, debug_locks = 1
[ 1326.961042][ T9074] no locks held by smcrouted/9074.
[ 1326.961221][ T9074] 
[ 1326.961221][ T9074] stack backtrace:
[ 1326.961490][ T9074] CPU: 3 UID: 0 PID: 9074 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1326.961754][ T9074] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1326.961969][ T9074] Call Trace:
[ 1326.962111][ T9074]  <TASK>
[ 1326.962208][ T9074]  dump_stack_lvl+0xb0/0xd0
[ 1326.962390][ T9074]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1326.962570][ T9074]  ip6mr_get_table+0x142/0x190
[ 1326.962746][ T9074]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1326.962938][ T9074]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1326.963162][ T9074]  ? __lock_release+0x103/0x460
[ 1326.963330][ T9074]  ? __might_fault+0x11b/0x170
[ 1326.963501][ T9074]  ? trace_lock_acquire+0x14d/0x1f0
[ 1326.963674][ T9074]  ? __might_fault+0xc3/0x170
[ 1326.963843][ T9074]  ? lock_acquire+0x32/0xc0
[ 1326.964013][ T9074]  ? __might_fault+0xc3/0x170
[ 1326.964207][ T9074]  ? __might_fault+0x11b/0x170
[ 1326.964383][ T9074]  do_ipv6_setsockopt+0x705/0x34e0
[ 1326.964559][ T9074]  ? validate_chain+0x160/0xae0
[ 1326.964728][ T9074]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1326.964907][ T9074]  ? __pfx_validate_chain+0x10/0x10
[ 1326.965083][ T9074]  ? hlock_class+0x4e/0x130
[ 1326.965255][ T9074]  ? mark_lock+0x38/0x3e0
[ 1326.965393][ T9074]  ? __lock_acquire+0xb9a/0x1680
[ 1326.965578][ T9074]  ? find_held_lock+0x2c/0x110
[ 1326.965750][ T9074]  ? __lock_release+0x103/0x460
[ 1326.965919][ T9074]  ? __create_object+0x5e/0xb0
[ 1326.966095][ T9074]  ? __pfx___lock_release+0x10/0x10
[ 1326.966263][ T9074]  ? __pfx_validate_chain+0x10/0x10
[ 1326.966431][ T9074]  ? hlock_class+0x4e/0x130
[ 1326.966600][ T9074]  ? mark_lock+0x38/0x3e0
[ 1326.966739][ T9074]  ? ipv6_setsockopt+0x7f/0xe0
[ 1326.966908][ T9074]  ipv6_setsockopt+0x7f/0xe0
[ 1326.967086][ T9074]  rawv6_setsockopt+0xb7/0x550
[ 1326.967259][ T9074]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1326.967430][ T9074]  ? find_held_lock+0x2c/0x110
[ 1326.967602][ T9074]  ? kfree+0x2d/0x340
[ 1326.967731][ T9074]  ? __lock_release+0x103/0x460
[ 1326.967899][ T9074]  ? fd_install+0x1d1/0x5a0
[ 1326.968079][ T9074]  do_sock_setsockopt+0x149/0x3a0
[ 1326.968256][ T9074]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1326.968442][ T9074]  __sys_setsockopt+0xec/0x160
[ 1326.968618][ T9074]  __x64_sys_setsockopt+0xbd/0x160
[ 1326.968790][ T9074]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1326.969011][ T9074]  do_syscall_64+0xc1/0x1d0
[ 1326.969191][ T9074]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1326.969403][ T9074] RIP: 0033:0x7f85ad64291e
[ 1326.969581][ T9074] 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
[ 1326.970176][ T9074] RSP: 002b:00007ffd943cd8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1326.970432][ T9074] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85ad64291e
[ 1326.970685][ T9074] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1326.970939][ T9074] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1326.971203][ T9074] R10: 00007ffd943cd90c R11: 0000000000000246 R12: 0000000000000000
[ 1326.971461][ T9074] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f85ad747000
[ 1326.971726][ T9074]  </TASK>
[ 1326.976377][ T9074] veth0: entered allmulticast mode
[ 1326.976933][ T9074] veth1: entered allmulticast mode
[ 1326.977280][ T9074] veth2: entered allmulticast mode
[ 1326.977635][ T9074] veth3: entered allmulticast mode
[ 1326.977965][ T9074] veth4: entered allmulticast mode
[ 1326.978297][ T9074] veth5: entered allmulticast mode
[ 1352.117167][ T9074] veth0: left allmulticast mode
[ 1352.117548][ T9074] veth1: left allmulticast mode
[ 1352.117788][ T9074] veth2: left allmulticast mode
[ 1352.118025][ T9074] veth3: left allmulticast mode
[ 1352.118257][ T9074] veth4: left allmulticast mode
[ 1352.118510][ T9074] veth5: left allmulticast mode