[ 1320.567476][T11049] 
[ 1320.567612][T11049] =============================
[ 1320.567775][T11049] WARNING: suspicious RCU usage
[ 1320.567933][T11049] 6.12.0-virtme #1 Not tainted
[ 1320.568093][T11049] -----------------------------
[ 1320.568771][T11049] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1320.569003][T11049] 
[ 1320.569003][T11049] other info that might help us debug this:
[ 1320.569003][T11049] 
[ 1320.569313][T11049] 
[ 1320.569313][T11049] rcu_scheduler_active = 2, debug_locks = 1
[ 1320.569540][T11049] no locks held by smcrouted/11049.
[ 1320.569697][T11049] 
[ 1320.569697][T11049] stack backtrace:
[ 1320.569892][T11049] CPU: 3 UID: 0 PID: 11049 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1320.570124][T11049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1320.570315][T11049] Call Trace:
[ 1320.570439][T11049]  <TASK>
[ 1320.570528][T11049]  dump_stack_lvl+0xb0/0xd0
[ 1320.570694][T11049]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1320.570864][T11049]  ip6mr_get_table+0x142/0x190
[ 1320.571023][T11049]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1320.571179][T11049]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1320.571377][T11049]  ? __lock_release+0x103/0x460
[ 1320.571531][T11049]  ? __might_fault+0x11b/0x170
[ 1320.571692][T11049]  ? trace_lock_acquire+0x14d/0x1f0
[ 1320.571848][T11049]  ? __might_fault+0xc3/0x170
[ 1320.572003][T11049]  ? lock_acquire+0x32/0xc0
[ 1320.572160][T11049]  ? __might_fault+0xc3/0x170
[ 1320.572315][T11049]  ? __might_fault+0x11b/0x170
[ 1320.572475][T11049]  do_ipv6_setsockopt+0x705/0x34e0
[ 1320.572632][T11049]  ? validate_chain+0x130/0xae0
[ 1320.572791][T11049]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1320.572953][T11049]  ? __pfx_validate_chain+0x10/0x10
[ 1320.573107][T11049]  ? hlock_class+0x4e/0x130
[ 1320.573259][T11049]  ? mark_lock+0x38/0x3e0
[ 1320.573386][T11049]  ? __lock_acquire+0xb9a/0x1680
[ 1320.573549][T11049]  ? find_held_lock+0x2c/0x110
[ 1320.573706][T11049]  ? __lock_release+0x103/0x460
[ 1320.573860][T11049]  ? __create_object+0x5e/0xb0
[ 1320.574022][T11049]  ? __pfx___lock_release+0x10/0x10
[ 1320.574180][T11049]  ? __pfx_validate_chain+0x10/0x10
[ 1320.574334][T11049]  ? hlock_class+0x4e/0x130
[ 1320.574487][T11049]  ? mark_lock+0x38/0x3e0
[ 1320.574609][T11049]  ? ipv6_setsockopt+0x7f/0xe0
[ 1320.574763][T11049]  ipv6_setsockopt+0x7f/0xe0
[ 1320.574920][T11049]  rawv6_setsockopt+0xb7/0x550
[ 1320.575077][T11049]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1320.575234][T11049]  ? find_held_lock+0x2c/0x110
[ 1320.575389][T11049]  ? kfree+0x2d/0x340
[ 1320.575506][T11049]  ? __lock_release+0x103/0x460
[ 1320.575659][T11049]  ? fd_install+0x1d1/0x5a0
[ 1320.575821][T11049]  do_sock_setsockopt+0x149/0x3a0
[ 1320.575979][T11049]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1320.576147][T11049]  __sys_setsockopt+0xec/0x160
[ 1320.576308][T11049]  __x64_sys_setsockopt+0xbd/0x160
[ 1320.576461][T11049]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1320.576657][T11049]  do_syscall_64+0xc1/0x1d0
[ 1320.576823][T11049]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1320.577013][T11049] RIP: 0033:0x7f667c60d91e
[ 1320.577178][T11049] 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
[ 1320.577712][T11049] RSP: 002b:00007ffc97d203e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1320.577953][T11049] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f667c60d91e
[ 1320.578180][T11049] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1320.578411][T11049] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1320.578640][T11049] R10: 00007ffc97d2040c R11: 0000000000000246 R12: 0000000000000000
[ 1320.578869][T11049] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f667c712000
[ 1320.579119][T11049]  </TASK>
[ 1320.582483][T11049] veth0: entered allmulticast mode
[ 1320.582991][T11049] veth1: entered allmulticast mode
[ 1320.583330][T11049] veth2: entered allmulticast mode
[ 1320.583642][T11049] veth3: entered allmulticast mode
[ 1338.061247][T11049] veth0: left allmulticast mode
[ 1338.061558][T11049] veth1: left allmulticast mode
[ 1338.061796][T11049] veth2: left allmulticast mode
[ 1338.062025][T11049] veth3: left allmulticast mode