[ 1261.674313][ T4455] 
[ 1261.674460][ T4455] =============================
[ 1261.674623][ T4455] WARNING: suspicious RCU usage
[ 1261.674796][ T4455] 6.12.0-virtme #1 Not tainted
[ 1261.674969][ T4455] -----------------------------
[ 1261.675130][ T4455] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1261.675436][ T4455] 
[ 1261.675436][ T4455] other info that might help us debug this:
[ 1261.675436][ T4455] 
[ 1261.675746][ T4455] 
[ 1261.675746][ T4455] rcu_scheduler_active = 2, debug_locks = 1
[ 1261.675979][ T4455] no locks held by smcrouted/4455.
[ 1261.676135][ T4455] 
[ 1261.676135][ T4455] stack backtrace:
[ 1261.676337][ T4455] CPU: 0 UID: 0 PID: 4455 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1261.676572][ T4455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1261.676780][ T4455] Call Trace:
[ 1261.676908][ T4455]  <TASK>
[ 1261.676999][ T4455]  dump_stack_lvl+0xb0/0xd0
[ 1261.677171][ T4455]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1261.677341][ T4455]  ip6mr_get_table+0x142/0x190
[ 1261.677499][ T4455]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1261.677664][ T4455]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1261.677882][ T4455]  ? __lock_release+0x103/0x460
[ 1261.678077][ T4455]  ? __might_fault+0x11b/0x170
[ 1261.678263][ T4455]  ? trace_lock_acquire+0x14d/0x1f0
[ 1261.678443][ T4455]  ? __might_fault+0xc3/0x170
[ 1261.678620][ T4455]  ? lock_acquire+0x32/0xc0
[ 1261.678802][ T4455]  ? __might_fault+0xc3/0x170
[ 1261.678978][ T4455]  ? __might_fault+0x11b/0x170
[ 1261.679171][ T4455]  do_ipv6_setsockopt+0x705/0x34e0
[ 1261.679354][ T4455]  ? validate_chain+0x160/0xae0
[ 1261.679523][ T4455]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1261.679704][ T4455]  ? __pfx_validate_chain+0x10/0x10
[ 1261.679886][ T4455]  ? hlock_class+0x4e/0x130
[ 1261.680057][ T4455]  ? mark_lock+0x38/0x3e0
[ 1261.680199][ T4455]  ? __lock_acquire+0xb9a/0x1680
[ 1261.680388][ T4455]  ? find_held_lock+0x2c/0x110
[ 1261.680562][ T4455]  ? __lock_release+0x103/0x460
[ 1261.680740][ T4455]  ? __create_object+0x5e/0xb0
[ 1261.680920][ T4455]  ? __pfx___lock_release+0x10/0x10
[ 1261.681095][ T4455]  ? __pfx_validate_chain+0x10/0x10
[ 1261.681282][ T4455]  ? hlock_class+0x4e/0x130
[ 1261.681469][ T4455]  ? mark_lock+0x38/0x3e0
[ 1261.681607][ T4455]  ? ipv6_setsockopt+0x7f/0xe0
[ 1261.681792][ T4455]  ipv6_setsockopt+0x7f/0xe0
[ 1261.681968][ T4455]  rawv6_setsockopt+0xb7/0x550
[ 1261.682153][ T4455]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1261.682317][ T4455]  ? find_held_lock+0x2c/0x110
[ 1261.682481][ T4455]  ? kfree+0x2d/0x340
[ 1261.682603][ T4455]  ? __lock_release+0x103/0x460
[ 1261.682763][ T4455]  ? fd_install+0x1d1/0x5a0
[ 1261.682934][ T4455]  do_sock_setsockopt+0x149/0x3a0
[ 1261.683104][ T4455]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1261.683285][ T4455]  __sys_setsockopt+0xec/0x160
[ 1261.683455][ T4455]  __x64_sys_setsockopt+0xbd/0x160
[ 1261.683622][ T4455]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1261.683828][ T4455]  do_syscall_64+0xc1/0x1d0
[ 1261.684007][ T4455]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1261.684222][ T4455] RIP: 0033:0x7fb4b14b991e
[ 1261.684406][ T4455] 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
[ 1261.684982][ T4455] RSP: 002b:00007ffd853c6e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1261.685229][ T4455] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb4b14b991e
[ 1261.685471][ T4455] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1261.685727][ T4455] RBP: 0000000000000008 R08: 0000000000000004 R09: 000000002726f010
[ 1261.685984][ T4455] R10: 00007ffd853c6e8c R11: 0000000000000246 R12: 0000000000000000
[ 1261.686243][ T4455] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fb4b15be000
[ 1261.686500][ T4455]  </TASK>
[ 1261.697900][ T4455] veth0: entered allmulticast mode
[ 1261.698517][ T4455] veth1: entered allmulticast mode
[ 1261.698842][ T4455] veth2: entered allmulticast mode
[ 1261.699161][ T4455] veth3: entered allmulticast mode
[ 1261.699516][ T4455] veth4: entered allmulticast mode
[ 1261.699852][ T4455] veth5: entered allmulticast mode
[ 1272.813290][ T4541] GACT probability NOT on
[ 1289.680540][ T4455] veth0: left allmulticast mode
[ 1289.681030][ T4455] veth1: left allmulticast mode
[ 1289.681491][ T4455] veth2: left allmulticast mode
[ 1289.681936][ T4455] veth3: left allmulticast mode
[ 1289.682430][ T4455] veth4: left allmulticast mode
[ 1289.682933][ T4455] veth5: left allmulticast mode