[ 1254.134369][T17342] 
[ 1254.134687][T17342] =============================
[ 1254.134873][T17342] WARNING: suspicious RCU usage
[ 1254.135079][T17342] 6.12.0-virtme #1 Not tainted
[ 1254.135242][T17342] -----------------------------
[ 1254.135397][T17342] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1254.135671][T17342] 
[ 1254.135671][T17342] other info that might help us debug this:
[ 1254.135671][T17342] 
[ 1254.136025][T17342] 
[ 1254.136025][T17342] rcu_scheduler_active = 2, debug_locks = 1
[ 1254.136340][T17342] no locks held by smcrouted/17342.
[ 1254.136579][T17342] 
[ 1254.136579][T17342] stack backtrace:
[ 1254.136842][T17342] CPU: 0 UID: 0 PID: 17342 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1254.137203][T17342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1254.137521][T17342] Call Trace:
[ 1254.137721][T17342]  <TASK>
[ 1254.137856][T17342]  dump_stack_lvl+0xb0/0xd0
[ 1254.138059][T17342]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1254.138263][T17342]  ip6mr_get_table+0x142/0x190
[ 1254.138450][T17342]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1254.138689][T17342]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1254.138990][T17342]  ? __lock_release+0x103/0x460
[ 1254.139246][T17342]  ? __might_fault+0x11b/0x170
[ 1254.139505][T17342]  ? trace_lock_acquire+0x14d/0x1f0
[ 1254.139766][T17342]  ? __might_fault+0xc3/0x170
[ 1254.140018][T17342]  ? lock_acquire+0x32/0xc0
[ 1254.140184][T17342]  ? __might_fault+0xc3/0x170
[ 1254.140348][T17342]  ? __might_fault+0x11b/0x170
[ 1254.140514][T17342]  do_ipv6_setsockopt+0x705/0x34e0
[ 1254.140678][T17342]  ? validate_chain+0x160/0xae0
[ 1254.140838][T17342]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1254.141001][T17342]  ? __pfx_validate_chain+0x10/0x10
[ 1254.141154][T17342]  ? hlock_class+0x4e/0x130
[ 1254.141310][T17342]  ? mark_lock+0x38/0x3e0
[ 1254.141435][T17342]  ? __lock_acquire+0xb9a/0x1680
[ 1254.141602][T17342]  ? find_held_lock+0x2c/0x110
[ 1254.141762][T17342]  ? __lock_release+0x103/0x460
[ 1254.141920][T17342]  ? __create_object+0x5e/0xb0
[ 1254.142082][T17342]  ? __pfx___lock_release+0x10/0x10
[ 1254.142243][T17342]  ? __pfx_validate_chain+0x10/0x10
[ 1254.142397][T17342]  ? hlock_class+0x4e/0x130
[ 1254.142559][T17342]  ? mark_lock+0x38/0x3e0
[ 1254.142684][T17342]  ? ipv6_setsockopt+0x7f/0xe0
[ 1254.142839][T17342]  ipv6_setsockopt+0x7f/0xe0
[ 1254.143001][T17342]  rawv6_setsockopt+0xb7/0x550
[ 1254.143163][T17342]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1254.143319][T17342]  ? find_held_lock+0x2c/0x110
[ 1254.143476][T17342]  ? kfree+0x2d/0x340
[ 1254.143594][T17342]  ? __lock_release+0x103/0x460
[ 1254.143753][T17342]  ? fd_install+0x1d1/0x5a0
[ 1254.143917][T17342]  do_sock_setsockopt+0x149/0x3a0
[ 1254.144081][T17342]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1254.144257][T17342]  __sys_setsockopt+0xec/0x160
[ 1254.144418][T17342]  __x64_sys_setsockopt+0xbd/0x160
[ 1254.144577][T17342]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1254.144771][T17342]  do_syscall_64+0xc1/0x1d0
[ 1254.144934][T17342]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1254.145130][T17342] RIP: 0033:0x7f4f0452891e
[ 1254.145296][T17342] 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
[ 1254.145838][T17342] RSP: 002b:00007ffcd0282918 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1254.146076][T17342] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4f0452891e
[ 1254.146377][T17342] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1254.146614][T17342] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1254.146845][T17342] R10: 00007ffcd028293c R11: 0000000000000246 R12: 0000000000000000
[ 1254.147082][T17342] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f4f0462d000
[ 1254.147330][T17342]  </TASK>
[ 1254.151466][T17342] veth0: entered allmulticast mode
[ 1254.152171][T17342] veth1: entered allmulticast mode
[ 1254.152505][T17342] veth2: entered allmulticast mode
[ 1254.152847][T17342] veth3: entered allmulticast mode
[ 1254.153162][T17342] veth4: entered allmulticast mode
[ 1254.153473][T17342] veth5: entered allmulticast mode
[ 1265.385844][T17429] GACT probability NOT on
[ 1281.892023][T17342] veth0: left allmulticast mode
[ 1281.892347][T17342] veth1: left allmulticast mode
[ 1281.892600][T17342] veth2: left allmulticast mode
[ 1281.892833][T17342] veth3: left allmulticast mode
[ 1281.893062][T17342] veth4: left allmulticast mode
[ 1281.893315][T17342] veth5: left allmulticast mode