[ 1311.366821][ T8052] 
[ 1311.366955][ T8052] =============================
[ 1311.367125][ T8052] WARNING: suspicious RCU usage
[ 1311.367629][ T8052] 6.12.0-rc6-virtme #1 Not tainted
[ 1311.367810][ T8052] -----------------------------
[ 1311.367999][ T8052] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1311.368281][ T8052] 
[ 1311.368281][ T8052] other info that might help us debug this:
[ 1311.368281][ T8052] 
[ 1311.368615][ T8052] 
[ 1311.368615][ T8052] rcu_scheduler_active = 2, debug_locks = 1
[ 1311.368865][ T8052] no locks held by smcrouted/8052.
[ 1311.369026][ T8052] 
[ 1311.369026][ T8052] stack backtrace:
[ 1311.369255][ T8052] CPU: 3 UID: 0 PID: 8052 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1311.369574][ T8052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1311.369784][ T8052] Call Trace:
[ 1311.369930][ T8052]  <TASK>
[ 1311.370019][ T8052]  dump_stack_lvl+0xb0/0xd0
[ 1311.370212][ T8052]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1311.370387][ T8052]  ip6mr_get_table+0x142/0x190
[ 1311.370560][ T8052]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1311.370737][ T8052]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1311.370961][ T8052]  ? __lock_release+0x103/0x460
[ 1311.371133][ T8052]  ? __might_fault+0x11b/0x170
[ 1311.371310][ T8052]  ? trace_lock_acquire+0x14d/0x1f0
[ 1311.371498][ T8052]  ? __might_fault+0xc3/0x170
[ 1311.371686][ T8052]  ? lock_acquire+0x32/0xc0
[ 1311.371868][ T8052]  ? __might_fault+0xc3/0x170
[ 1311.372052][ T8052]  ? __might_fault+0x11b/0x170
[ 1311.372225][ T8052]  do_ipv6_setsockopt+0x705/0x34e0
[ 1311.372421][ T8052]  ? __lock_release+0xe0/0x460
[ 1311.372590][ T8052]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1311.372763][ T8052]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1311.372936][ T8052]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1311.373125][ T8052]  ? validate_chain+0x1fe/0xae0
[ 1311.373296][ T8052]  ? is_bpf_text_address+0x67/0x120
[ 1311.373477][ T8052]  ? __pfx_validate_chain+0x10/0x10
[ 1311.373661][ T8052]  ? hlock_class+0x4e/0x130
[ 1311.373852][ T8052]  ? mark_lock+0x38/0x3e0
[ 1311.373984][ T8052]  ? __lock_acquire+0xb3f/0x1580
[ 1311.374171][ T8052]  ? find_held_lock+0x2c/0x110
[ 1311.374359][ T8052]  ? ipv6_setsockopt+0x7f/0xe0
[ 1311.374547][ T8052]  ipv6_setsockopt+0x7f/0xe0
[ 1311.374722][ T8052]  rawv6_setsockopt+0xb7/0x550
[ 1311.374897][ T8052]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1311.375075][ T8052]  ? __lock_acquire+0xb3f/0x1580
[ 1311.375259][ T8052]  ? kfree+0x2d/0x340
[ 1311.375403][ T8052]  do_sock_setsockopt+0x149/0x3a0
[ 1311.375578][ T8052]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1311.375756][ T8052]  ? __lock_release+0x103/0x460
[ 1311.375927][ T8052]  ? fd_install+0x1d1/0x5a0
[ 1311.376104][ T8052]  ? trace_lock_acquire+0x14d/0x1f0
[ 1311.376283][ T8052]  ? fdget+0x52/0x1e0
[ 1311.376425][ T8052]  __sys_setsockopt+0x104/0x1a0
[ 1311.376615][ T8052]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1311.376800][ T8052]  ? __sys_socket+0x168/0x1e0
[ 1311.376984][ T8052]  ? __pfx___sys_socket+0x10/0x10
[ 1311.377149][ T8052]  ? do_user_addr_fault+0x374/0xe30
[ 1311.377313][ T8052]  __x64_sys_setsockopt+0xbd/0x160
[ 1311.377482][ T8052]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1311.377679][ T8052]  do_syscall_64+0xc1/0x1d0
[ 1311.377854][ T8052]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1311.378066][ T8052] RIP: 0033:0x7f1080c6b91e
[ 1311.378257][ T8052] 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
[ 1311.378853][ T8052] RSP: 002b:00007ffd860b9948 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1311.379111][ T8052] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1080c6b91e
[ 1311.379366][ T8052] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1311.379801][ T8052] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1311.380043][ T8052] R10: 00007ffd860b996c R11: 0000000000000246 R12: 0000000000000000
[ 1311.380300][ T8052] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f1080d70000
[ 1311.380569][ T8052]  </TASK>
[ 1311.383957][ T8052] veth0: entered allmulticast mode
[ 1311.385712][ T8052] veth1: entered allmulticast mode
[ 1311.386098][ T8052] veth2: entered allmulticast mode
[ 1311.386480][ T8052] veth3: entered allmulticast mode
[ 1311.386830][ T8052] veth4: entered allmulticast mode
[ 1311.387182][ T8052] veth5: entered allmulticast mode
[ 1336.932052][ T8052] veth0: left allmulticast mode
[ 1336.932469][ T8052] veth1: left allmulticast mode
[ 1336.932711][ T8052] veth2: left allmulticast mode
[ 1336.932948][ T8052] veth3: left allmulticast mode
[ 1336.933188][ T8052] veth4: left allmulticast mode
[ 1336.933437][ T8052] veth5: left allmulticast mode