[ 1251.163277][T13273] 
[ 1251.163426][T13273] =============================
[ 1251.163603][T13273] WARNING: suspicious RCU usage
[ 1251.163778][T13273] 6.12.0-virtme #1 Not tainted
[ 1251.163989][T13273] -----------------------------
[ 1251.164170][T13273] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1251.164719][T13273] 
[ 1251.164719][T13273] other info that might help us debug this:
[ 1251.164719][T13273] 
[ 1251.165172][T13273] 
[ 1251.165172][T13273] rcu_scheduler_active = 2, debug_locks = 1
[ 1251.165443][T13273] no locks held by smcrouted/13273.
[ 1251.165619][T13273] 
[ 1251.165619][T13273] stack backtrace:
[ 1251.165851][T13273] CPU: 0 UID: 0 PID: 13273 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1251.166134][T13273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1251.166355][T13273] Call Trace:
[ 1251.166491][T13273]  <TASK>
[ 1251.166589][T13273]  dump_stack_lvl+0xb0/0xd0
[ 1251.166783][T13273]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1251.166975][T13273]  ip6mr_get_table+0x142/0x190
[ 1251.167152][T13273]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1251.167330][T13273]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1251.167554][T13273]  ? __lock_release+0x103/0x460
[ 1251.167723][T13273]  ? __might_fault+0x11b/0x170
[ 1251.167930][T13273]  ? trace_lock_acquire+0x14d/0x1f0
[ 1251.168117][T13273]  ? __might_fault+0xc3/0x170
[ 1251.168290][T13273]  ? lock_acquire+0x32/0xc0
[ 1251.168464][T13273]  ? __might_fault+0xc3/0x170
[ 1251.168647][T13273]  ? __might_fault+0x11b/0x170
[ 1251.168829][T13273]  do_ipv6_setsockopt+0x705/0x34e0
[ 1251.169063][T13273]  ? validate_chain+0x160/0xae0
[ 1251.169250][T13273]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1251.169430][T13273]  ? __pfx_validate_chain+0x10/0x10
[ 1251.169608][T13273]  ? hlock_class+0x4e/0x130
[ 1251.169785][T13273]  ? mark_lock+0x38/0x3e0
[ 1251.169937][T13273]  ? __lock_acquire+0xb9a/0x1680
[ 1251.170120][T13273]  ? find_held_lock+0x2c/0x110
[ 1251.170297][T13273]  ? __lock_release+0x103/0x460
[ 1251.170466][T13273]  ? __create_object+0x5e/0xb0
[ 1251.170636][T13273]  ? __pfx___lock_release+0x10/0x10
[ 1251.170806][T13273]  ? __pfx_validate_chain+0x10/0x10
[ 1251.170996][T13273]  ? hlock_class+0x4e/0x130
[ 1251.171168][T13273]  ? mark_lock+0x38/0x3e0
[ 1251.171305][T13273]  ? ipv6_setsockopt+0x7f/0xe0
[ 1251.171478][T13273]  ipv6_setsockopt+0x7f/0xe0
[ 1251.171653][T13273]  rawv6_setsockopt+0xb7/0x550
[ 1251.171825][T13273]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1251.172053][T13273]  ? find_held_lock+0x2c/0x110
[ 1251.172228][T13273]  ? kfree+0x2d/0x340
[ 1251.172379][T13273]  ? __lock_release+0x103/0x460
[ 1251.172623][T13273]  ? fd_install+0x1d1/0x5a0
[ 1251.172883][T13273]  do_sock_setsockopt+0x149/0x3a0
[ 1251.173136][T13273]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1251.173424][T13273]  __sys_setsockopt+0xec/0x160
[ 1251.173691][T13273]  __x64_sys_setsockopt+0xbd/0x160
[ 1251.173959][T13273]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1251.174311][T13273]  do_syscall_64+0xc1/0x1d0
[ 1251.174620][T13273]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1251.174934][T13273] RIP: 0033:0x7fc1fc0a091e
[ 1251.175209][T13273] 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
[ 1251.176092][T13273] RSP: 002b:00007ffd90d18658 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1251.176376][T13273] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc1fc0a091e
[ 1251.176634][T13273] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1251.176892][T13273] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1251.177152][T13273] R10: 00007ffd90d1867c R11: 0000000000000246 R12: 0000000000000000
[ 1251.177424][T13273] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fc1fc1a5000
[ 1251.177700][T13273]  </TASK>
[ 1251.181899][T13273] veth0: entered allmulticast mode
[ 1251.183800][T13273] veth1: entered allmulticast mode
[ 1251.184452][T13273] veth2: entered allmulticast mode
[ 1251.185057][T13273] veth3: entered allmulticast mode
[ 1251.185697][T13273] veth4: entered allmulticast mode
[ 1251.186177][T13273] veth5: entered allmulticast mode
[ 1279.121541][T13273] veth0: left allmulticast mode
[ 1279.121903][T13273] veth1: left allmulticast mode
[ 1279.122159][T13273] veth2: left allmulticast mode
[ 1279.122446][T13273] veth3: left allmulticast mode
[ 1279.122720][T13273] veth4: left allmulticast mode
[ 1279.122990][T13273] veth5: left allmulticast mode