[ 1320.616109][T15486] 
[ 1320.616282][T15486] =============================
[ 1320.616447][T15486] WARNING: suspicious RCU usage
[ 1320.616645][T15486] 6.12.0-rc7-virtme #1 Not tainted
[ 1320.616833][T15486] -----------------------------
[ 1320.617015][T15486] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1320.617360][T15486] 
[ 1320.617360][T15486] other info that might help us debug this:
[ 1320.617360][T15486] 
[ 1320.617666][T15486] 
[ 1320.617666][T15486] rcu_scheduler_active = 2, debug_locks = 1
[ 1320.617898][T15486] no locks held by smcrouted/15486.
[ 1320.618065][T15486] 
[ 1320.618065][T15486] stack backtrace:
[ 1320.618278][T15486] CPU: 3 UID: 0 PID: 15486 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1320.618564][T15486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1320.618773][T15486] Call Trace:
[ 1320.618901][T15486]  <TASK>
[ 1320.618999][T15486]  dump_stack_lvl+0xb0/0xd0
[ 1320.619180][T15486]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1320.619355][T15486]  ip6mr_get_table+0x142/0x190
[ 1320.619525][T15486]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1320.619688][T15486]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1320.619899][T15486]  ? __lock_release+0x103/0x460
[ 1320.620062][T15486]  ? __might_fault+0x11b/0x170
[ 1320.620228][T15486]  ? trace_lock_acquire+0x14d/0x1f0
[ 1320.620406][T15486]  ? __might_fault+0xc3/0x170
[ 1320.620568][T15486]  ? lock_acquire+0x32/0xc0
[ 1320.620729][T15486]  ? __might_fault+0xc3/0x170
[ 1320.620892][T15486]  ? __might_fault+0x11b/0x170
[ 1320.621059][T15486]  do_ipv6_setsockopt+0x705/0x34e0
[ 1320.621220][T15486]  ? __lock_release+0x10/0x460
[ 1320.621383][T15486]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1320.621539][T15486]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1320.621707][T15486]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1320.621868][T15486]  ? validate_chain+0x1fe/0xae0
[ 1320.622034][T15486]  ? is_bpf_text_address+0x67/0x120
[ 1320.622214][T15486]  ? __pfx_validate_chain+0x10/0x10
[ 1320.622384][T15486]  ? hlock_class+0x4e/0x130
[ 1320.622546][T15486]  ? mark_lock+0x38/0x3e0
[ 1320.622684][T15486]  ? __lock_acquire+0xb3f/0x1580
[ 1320.622858][T15486]  ? find_held_lock+0x2c/0x110
[ 1320.623035][T15486]  ? ipv6_setsockopt+0x7f/0xe0
[ 1320.623193][T15486]  ipv6_setsockopt+0x7f/0xe0
[ 1320.623354][T15486]  rawv6_setsockopt+0xb7/0x550
[ 1320.623519][T15486]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1320.623681][T15486]  ? __lock_acquire+0xb3f/0x1580
[ 1320.623845][T15486]  ? kfree+0x2d/0x340
[ 1320.623974][T15486]  do_sock_setsockopt+0x149/0x3a0
[ 1320.624136][T15486]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1320.624302][T15486]  ? __lock_release+0x103/0x460
[ 1320.624456][T15486]  ? fd_install+0x1d1/0x5a0
[ 1320.624620][T15486]  ? trace_lock_acquire+0x14d/0x1f0
[ 1320.624781][T15486]  ? fdget+0x52/0x1e0
[ 1320.624904][T15486]  __sys_setsockopt+0x104/0x1a0
[ 1320.625066][T15486]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1320.625223][T15486]  ? __sys_socket+0x168/0x1e0
[ 1320.625386][T15486]  ? __pfx___sys_socket+0x10/0x10
[ 1320.625544][T15486]  ? do_user_addr_fault+0x374/0xe30
[ 1320.625718][T15486]  __x64_sys_setsockopt+0xbd/0x160
[ 1320.625875][T15486]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1320.626077][T15486]  do_syscall_64+0xc1/0x1d0
[ 1320.626236][T15486]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1320.626436][T15486] RIP: 0033:0x7f34ba68491e
[ 1320.626605][T15486] 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
[ 1320.627155][T15486] RSP: 002b:00007ffd9dfa25e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1320.627398][T15486] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f34ba68491e
[ 1320.627630][T15486] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1320.627870][T15486] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1320.628110][T15486] R10: 00007ffd9dfa260c R11: 0000000000000246 R12: 0000000000000000
[ 1320.628344][T15486] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f34ba789000
[ 1320.628596][T15486]  </TASK>
[ 1320.633687][T15486] veth0: entered allmulticast mode
[ 1320.634354][T15486] veth1: entered allmulticast mode
[ 1320.634727][T15486] veth2: entered allmulticast mode
[ 1320.635083][T15486] veth3: entered allmulticast mode
[ 1320.636790][T15486] veth4: entered allmulticast mode
[ 1320.637144][T15486] veth5: entered allmulticast mode
[ 1346.831459][T15486] veth0: left allmulticast mode
[ 1346.831878][T15486] veth1: left allmulticast mode
[ 1346.832132][T15486] veth2: left allmulticast mode
[ 1346.832425][T15486] veth3: left allmulticast mode
[ 1346.832693][T15486] veth4: left allmulticast mode
[ 1346.832945][T15486] veth5: left allmulticast mode