[ 1297.574699][ T9688] 
[ 1297.574850][ T9688] =============================
[ 1297.575018][ T9688] WARNING: suspicious RCU usage
[ 1297.575180][ T9688] 6.12.0-virtme #1 Not tainted
[ 1297.575337][ T9688] -----------------------------
[ 1297.576298][ T9688] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1297.576635][ T9688] 
[ 1297.576635][ T9688] other info that might help us debug this:
[ 1297.576635][ T9688] 
[ 1297.577042][ T9688] 
[ 1297.577042][ T9688] rcu_scheduler_active = 2, debug_locks = 1
[ 1297.577272][ T9688] no locks held by smcrouted/9688.
[ 1297.577523][ T9688] 
[ 1297.577523][ T9688] stack backtrace:
[ 1297.577717][ T9688] CPU: 0 UID: 0 PID: 9688 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1297.577958][ T9688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1297.578156][ T9688] Call Trace:
[ 1297.578280][ T9688]  <TASK>
[ 1297.578368][ T9688]  dump_stack_lvl+0xb0/0xd0
[ 1297.578542][ T9688]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1297.578710][ T9688]  ip6mr_get_table+0x142/0x190
[ 1297.578876][ T9688]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1297.579044][ T9688]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1297.579253][ T9688]  ? __lock_release+0x103/0x460
[ 1297.579414][ T9688]  ? __might_fault+0x11b/0x170
[ 1297.579575][ T9688]  ? trace_lock_acquire+0x14d/0x1f0
[ 1297.579768][ T9688]  ? __might_fault+0xc3/0x170
[ 1297.579926][ T9688]  ? lock_acquire+0x32/0xc0
[ 1297.580081][ T9688]  ? __might_fault+0xc3/0x170
[ 1297.580242][ T9688]  ? __might_fault+0x11b/0x170
[ 1297.580411][ T9688]  do_ipv6_setsockopt+0x705/0x34e0
[ 1297.580572][ T9688]  ? validate_chain+0x130/0xae0
[ 1297.580732][ T9688]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1297.580889][ T9688]  ? __pfx_validate_chain+0x10/0x10
[ 1297.581063][ T9688]  ? hlock_class+0x4e/0x130
[ 1297.581230][ T9688]  ? mark_lock+0x38/0x3e0
[ 1297.581355][ T9688]  ? __lock_acquire+0xb9a/0x1680
[ 1297.581521][ T9688]  ? find_held_lock+0x2c/0x110
[ 1297.581682][ T9688]  ? __lock_release+0x103/0x460
[ 1297.581848][ T9688]  ? __create_object+0x5e/0xb0
[ 1297.582008][ T9688]  ? __pfx___lock_release+0x10/0x10
[ 1297.582168][ T9688]  ? __pfx_validate_chain+0x10/0x10
[ 1297.582330][ T9688]  ? hlock_class+0x4e/0x130
[ 1297.582487][ T9688]  ? mark_lock+0x38/0x3e0
[ 1297.582614][ T9688]  ? ipv6_setsockopt+0x7f/0xe0
[ 1297.582773][ T9688]  ipv6_setsockopt+0x7f/0xe0
[ 1297.582932][ T9688]  rawv6_setsockopt+0xb7/0x550
[ 1297.583101][ T9688]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1297.583265][ T9688]  ? find_held_lock+0x2c/0x110
[ 1297.583457][ T9688]  ? kfree+0x2d/0x340
[ 1297.583577][ T9688]  ? __lock_release+0x103/0x460
[ 1297.583737][ T9688]  ? fd_install+0x1d1/0x5a0
[ 1297.583900][ T9688]  do_sock_setsockopt+0x149/0x3a0
[ 1297.584061][ T9688]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1297.584239][ T9688]  __sys_setsockopt+0xec/0x160
[ 1297.584405][ T9688]  __x64_sys_setsockopt+0xbd/0x160
[ 1297.584569][ T9688]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1297.584767][ T9688]  do_syscall_64+0xc1/0x1d0
[ 1297.584942][ T9688]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1297.585140][ T9688] RIP: 0033:0x7f327673e91e
[ 1297.585311][ T9688] 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
[ 1297.585863][ T9688] RSP: 002b:00007ffd861d58e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1297.586105][ T9688] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f327673e91e
[ 1297.586342][ T9688] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1297.586577][ T9688] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1297.586814][ T9688] R10: 00007ffd861d590c R11: 0000000000000246 R12: 0000000000000000
[ 1297.587055][ T9688] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f3276843000
[ 1297.587311][ T9688]  </TASK>
[ 1297.590429][ T9688] veth0: entered allmulticast mode
[ 1297.591099][ T9688] veth1: entered allmulticast mode
[ 1297.591465][ T9688] veth2: entered allmulticast mode
[ 1297.591783][ T9688] veth3: entered allmulticast mode
[ 1297.592135][ T9688] veth4: entered allmulticast mode
[ 1297.592548][ T9688] veth5: entered allmulticast mode
[ 1323.764774][ T9688] veth0: left allmulticast mode
[ 1323.765131][ T9688] veth1: left allmulticast mode
[ 1323.765398][ T9688] veth2: left allmulticast mode
[ 1323.765644][ T9688] veth3: left allmulticast mode
[ 1323.765893][ T9688] veth4: left allmulticast mode
[ 1323.766138][ T9688] veth5: left allmulticast mode