[ 1321.124092][ T8067] 
[ 1321.124292][ T8067] =============================
[ 1321.124526][ T8067] WARNING: suspicious RCU usage
[ 1321.124792][ T8067] 6.12.0-rc7-virtme #1 Not tainted
[ 1321.124996][ T8067] -----------------------------
[ 1321.125207][ T8067] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1321.125527][ T8067] 
[ 1321.125527][ T8067] other info that might help us debug this:
[ 1321.125527][ T8067] 
[ 1321.125929][ T8067] 
[ 1321.125929][ T8067] rcu_scheduler_active = 2, debug_locks = 1
[ 1321.126242][ T8067] no locks held by smcrouted/8067.
[ 1321.126483][ T8067] 
[ 1321.126483][ T8067] stack backtrace:
[ 1321.126737][ T8067] CPU: 2 UID: 0 PID: 8067 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1321.127048][ T8067] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1321.127312][ T8067] Call Trace:
[ 1321.127473][ T8067]  <TASK>
[ 1321.127576][ T8067]  dump_stack_lvl+0xb0/0xd0
[ 1321.127786][ T8067]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1321.127995][ T8067]  ip6mr_get_table+0x142/0x190
[ 1321.128176][ T8067]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1321.128352][ T8067]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1321.128583][ T8067]  ? __lock_release+0x103/0x460
[ 1321.128760][ T8067]  ? __might_fault+0x11b/0x170
[ 1321.128930][ T8067]  ? trace_lock_acquire+0x14d/0x1f0
[ 1321.129124][ T8067]  ? __might_fault+0xc3/0x170
[ 1321.129301][ T8067]  ? lock_acquire+0x32/0xc0
[ 1321.129479][ T8067]  ? __might_fault+0xc3/0x170
[ 1321.129658][ T8067]  ? __might_fault+0x11b/0x170
[ 1321.129867][ T8067]  do_ipv6_setsockopt+0x705/0x34e0
[ 1321.130068][ T8067]  ? __lock_release+0x10/0x460
[ 1321.130245][ T8067]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1321.130409][ T8067]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1321.130594][ T8067]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1321.130753][ T8067]  ? validate_chain+0x1fe/0xae0
[ 1321.130933][ T8067]  ? is_bpf_text_address+0x67/0x120
[ 1321.131146][ T8067]  ? __pfx_validate_chain+0x10/0x10
[ 1321.131336][ T8067]  ? hlock_class+0x4e/0x130
[ 1321.131493][ T8067]  ? mark_lock+0x38/0x3e0
[ 1321.131621][ T8067]  ? __lock_acquire+0xb3f/0x1580
[ 1321.131809][ T8067]  ? find_held_lock+0x2c/0x110
[ 1321.131997][ T8067]  ? ipv6_setsockopt+0x7f/0xe0
[ 1321.132174][ T8067]  ipv6_setsockopt+0x7f/0xe0
[ 1321.132356][ T8067]  rawv6_setsockopt+0xb7/0x550
[ 1321.132535][ T8067]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1321.132717][ T8067]  ? __lock_acquire+0xb3f/0x1580
[ 1321.132900][ T8067]  ? kfree+0x2d/0x340
[ 1321.133059][ T8067]  do_sock_setsockopt+0x149/0x3a0
[ 1321.133276][ T8067]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1321.133464][ T8067]  ? __lock_release+0x103/0x460
[ 1321.133647][ T8067]  ? fd_install+0x1d1/0x5a0
[ 1321.133872][ T8067]  ? trace_lock_acquire+0x14d/0x1f0
[ 1321.134080][ T8067]  ? fdget+0x52/0x1e0
[ 1321.134252][ T8067]  __sys_setsockopt+0x104/0x1a0
[ 1321.134450][ T8067]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1321.134642][ T8067]  ? __sys_socket+0x168/0x1e0
[ 1321.134843][ T8067]  ? __pfx___sys_socket+0x10/0x10
[ 1321.135027][ T8067]  ? do_user_addr_fault+0x374/0xe30
[ 1321.135225][ T8067]  __x64_sys_setsockopt+0xbd/0x160
[ 1321.135400][ T8067]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1321.135627][ T8067]  do_syscall_64+0xc1/0x1d0
[ 1321.135824][ T8067]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1321.136081][ T8067] RIP: 0033:0x7ff29799391e
[ 1321.136286][ T8067] 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
[ 1321.136946][ T8067] RSP: 002b:00007ffc6d8acaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1321.137235][ T8067] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff29799391e
[ 1321.137512][ T8067] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1321.137778][ T8067] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1321.138074][ T8067] R10: 00007ffc6d8acacc R11: 0000000000000246 R12: 0000000000000000
[ 1321.138343][ T8067] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007ff297a98000
[ 1321.138617][ T8067]  </TASK>
[ 1321.143271][ T8067] veth0: entered allmulticast mode
[ 1321.144298][ T8067] veth1: entered allmulticast mode
[ 1321.144884][ T8067] veth2: entered allmulticast mode
[ 1321.145364][ T8067] veth3: entered allmulticast mode
[ 1321.146023][ T8067] veth4: entered allmulticast mode
[ 1321.146890][ T8067] veth5: entered allmulticast mode
[ 1346.835127][ T8067] veth0: left allmulticast mode
[ 1346.835517][ T8067] veth1: left allmulticast mode
[ 1346.835788][ T8067] veth2: left allmulticast mode
[ 1346.836050][ T8067] veth3: left allmulticast mode
[ 1346.836307][ T8067] veth4: left allmulticast mode
[ 1346.836587][ T8067] veth5: left allmulticast mode