[ 1302.645313][ T9830] 
[ 1302.645546][ T9830] =============================
[ 1302.645797][ T9830] WARNING: suspicious RCU usage
[ 1302.646022][ T9830] 6.12.0-virtme #1 Not tainted
[ 1302.646617][ T9830] -----------------------------
[ 1302.646868][ T9830] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1302.647183][ T9830] 
[ 1302.647183][ T9830] other info that might help us debug this:
[ 1302.647183][ T9830] 
[ 1302.647599][ T9830] 
[ 1302.647599][ T9830] rcu_scheduler_active = 2, debug_locks = 1
[ 1302.647910][ T9830] no locks held by smcrouted/9830.
[ 1302.648185][ T9830] 
[ 1302.648185][ T9830] stack backtrace:
[ 1302.648500][ T9830] CPU: 2 UID: 0 PID: 9830 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1302.648801][ T9830] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1302.649026][ T9830] Call Trace:
[ 1302.649178][ T9830]  <TASK>
[ 1302.649287][ T9830]  dump_stack_lvl+0xb0/0xd0
[ 1302.649474][ T9830]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1302.649664][ T9830]  ip6mr_get_table+0x142/0x190
[ 1302.649860][ T9830]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1302.650046][ T9830]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1302.650277][ T9830]  ? __lock_release+0x103/0x460
[ 1302.650459][ T9830]  ? __might_fault+0x11b/0x170
[ 1302.650643][ T9830]  ? trace_lock_acquire+0x14d/0x1f0
[ 1302.650837][ T9830]  ? __might_fault+0xc3/0x170
[ 1302.651021][ T9830]  ? lock_acquire+0x32/0xc0
[ 1302.651203][ T9830]  ? __might_fault+0xc3/0x170
[ 1302.651393][ T9830]  ? __might_fault+0x11b/0x170
[ 1302.651581][ T9830]  do_ipv6_setsockopt+0x705/0x34e0
[ 1302.651759][ T9830]  ? validate_chain+0x160/0xae0
[ 1302.651968][ T9830]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1302.652178][ T9830]  ? __pfx_validate_chain+0x10/0x10
[ 1302.652380][ T9830]  ? hlock_class+0x4e/0x130
[ 1302.652586][ T9830]  ? mark_lock+0x38/0x3e0
[ 1302.652726][ T9830]  ? __lock_acquire+0xb9a/0x1680
[ 1302.652889][ T9830]  ? find_held_lock+0x2c/0x110
[ 1302.653046][ T9830]  ? __lock_release+0x103/0x460
[ 1302.653219][ T9830]  ? __create_object+0x5e/0xb0
[ 1302.653381][ T9830]  ? __pfx___lock_release+0x10/0x10
[ 1302.653560][ T9830]  ? __pfx_validate_chain+0x10/0x10
[ 1302.653715][ T9830]  ? hlock_class+0x4e/0x130
[ 1302.653869][ T9830]  ? mark_lock+0x38/0x3e0
[ 1302.653999][ T9830]  ? ipv6_setsockopt+0x7f/0xe0
[ 1302.654160][ T9830]  ipv6_setsockopt+0x7f/0xe0
[ 1302.654318][ T9830]  rawv6_setsockopt+0xb7/0x550
[ 1302.654477][ T9830]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1302.654632][ T9830]  ? find_held_lock+0x2c/0x110
[ 1302.654803][ T9830]  ? kfree+0x2d/0x340
[ 1302.654925][ T9830]  ? __lock_release+0x103/0x460
[ 1302.655080][ T9830]  ? fd_install+0x1d1/0x5a0
[ 1302.655243][ T9830]  do_sock_setsockopt+0x149/0x3a0
[ 1302.655414][ T9830]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1302.655599][ T9830]  __sys_setsockopt+0xec/0x160
[ 1302.655813][ T9830]  __x64_sys_setsockopt+0xbd/0x160
[ 1302.656009][ T9830]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1302.656242][ T9830]  do_syscall_64+0xc1/0x1d0
[ 1302.656454][ T9830]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1302.656664][ T9830] RIP: 0033:0x7ffaf10d191e
[ 1302.656860][ T9830] 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
[ 1302.657536][ T9830] RSP: 002b:00007ffdeb746078 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1302.657849][ T9830] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffaf10d191e
[ 1302.658133][ T9830] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1302.658409][ T9830] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1302.658691][ T9830] R10: 00007ffdeb74609c R11: 0000000000000246 R12: 0000000000000000
[ 1302.658979][ T9830] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007ffaf11d6000
[ 1302.659282][ T9830]  </TASK>
[ 1302.664612][ T9830] veth0: entered allmulticast mode
[ 1302.666024][ T9830] veth1: entered allmulticast mode
[ 1302.666642][ T9830] veth2: entered allmulticast mode
[ 1302.667203][ T9830] veth3: entered allmulticast mode
[ 1322.056501][ T9830] veth0: left allmulticast mode
[ 1322.057045][ T9830] veth1: left allmulticast mode
[ 1322.057532][ T9830] veth2: left allmulticast mode
[ 1322.057922][ T9830] veth3: left allmulticast mode