[ 1336.362056][ T7830] 
[ 1336.362625][ T7830] =============================
[ 1336.362790][ T7830] WARNING: suspicious RCU usage
[ 1336.362950][ T7830] 6.12.0-rc6-virtme #1 Not tainted
[ 1336.363109][ T7830] -----------------------------
[ 1336.363278][ T7830] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1336.363522][ T7830] 
[ 1336.363522][ T7830] other info that might help us debug this:
[ 1336.363522][ T7830] 
[ 1336.363834][ T7830] 
[ 1336.363834][ T7830] rcu_scheduler_active = 2, debug_locks = 1
[ 1336.364083][ T7830] no locks held by smcrouted/7830.
[ 1336.364263][ T7830] 
[ 1336.364263][ T7830] stack backtrace:
[ 1336.364462][ T7830] CPU: 0 UID: 0 PID: 7830 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1336.364746][ T7830] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1336.364952][ T7830] Call Trace:
[ 1336.365083][ T7830]  <TASK>
[ 1336.365174][ T7830]  dump_stack_lvl+0xb0/0xd0
[ 1336.365351][ T7830]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1336.365519][ T7830]  ip6mr_get_table+0x142/0x190
[ 1336.365736][ T7830]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1336.365902][ T7830]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1336.366108][ T7830]  ? __lock_release+0x103/0x460
[ 1336.366266][ T7830]  ? __might_fault+0x11b/0x170
[ 1336.366432][ T7830]  ? trace_lock_acquire+0x14d/0x1f0
[ 1336.366598][ T7830]  ? __might_fault+0xc3/0x170
[ 1336.366757][ T7830]  ? lock_acquire+0x32/0xc0
[ 1336.366911][ T7830]  ? __might_fault+0xc3/0x170
[ 1336.367072][ T7830]  ? __might_fault+0x11b/0x170
[ 1336.367236][ T7830]  do_ipv6_setsockopt+0x705/0x34e0
[ 1336.367399][ T7830]  ? __lock_release+0xe0/0x460
[ 1336.367559][ T7830]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1336.367721][ T7830]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1336.367888][ T7830]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1336.368060][ T7830]  ? validate_chain+0x1fe/0xae0
[ 1336.368240][ T7830]  ? is_bpf_text_address+0x67/0x120
[ 1336.368423][ T7830]  ? __pfx_validate_chain+0x10/0x10
[ 1336.368596][ T7830]  ? hlock_class+0x4e/0x130
[ 1336.368768][ T7830]  ? mark_lock+0x38/0x3e0
[ 1336.368907][ T7830]  ? __lock_acquire+0xb3f/0x1580
[ 1336.369094][ T7830]  ? find_held_lock+0x2c/0x110
[ 1336.369276][ T7830]  ? ipv6_setsockopt+0x7f/0xe0
[ 1336.369452][ T7830]  ipv6_setsockopt+0x7f/0xe0
[ 1336.369630][ T7830]  rawv6_setsockopt+0xb7/0x550
[ 1336.369809][ T7830]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1336.369980][ T7830]  ? __lock_acquire+0xb3f/0x1580
[ 1336.370155][ T7830]  ? kfree+0x2d/0x340
[ 1336.370294][ T7830]  do_sock_setsockopt+0x149/0x3a0
[ 1336.370475][ T7830]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1336.370654][ T7830]  ? __lock_release+0x103/0x460
[ 1336.370829][ T7830]  ? fd_install+0x1d1/0x5a0
[ 1336.371005][ T7830]  ? trace_lock_acquire+0x14d/0x1f0
[ 1336.371183][ T7830]  ? fdget+0x52/0x1e0
[ 1336.371311][ T7830]  __sys_setsockopt+0x104/0x1a0
[ 1336.371472][ T7830]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1336.371630][ T7830]  ? __sys_socket+0x168/0x1e0
[ 1336.371793][ T7830]  ? __pfx___sys_socket+0x10/0x10
[ 1336.371959][ T7830]  ? do_user_addr_fault+0x374/0xe30
[ 1336.372128][ T7830]  __x64_sys_setsockopt+0xbd/0x160
[ 1336.372282][ T7830]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1336.372477][ T7830]  do_syscall_64+0xc1/0x1d0
[ 1336.372644][ T7830]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1336.372836][ T7830] RIP: 0033:0x7f250c47c91e
[ 1336.373002][ T7830] 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
[ 1336.373554][ T7830] RSP: 002b:00007ffe7b8c69d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1336.373793][ T7830] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f250c47c91e
[ 1336.374043][ T7830] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1336.374280][ T7830] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1336.374519][ T7830] R10: 00007ffe7b8c69fc R11: 0000000000000246 R12: 0000000000000000
[ 1336.374752][ T7830] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f250c581000
[ 1336.374998][ T7830]  </TASK>
[ 1336.377399][ T7830] veth0: entered allmulticast mode
[ 1336.377935][ T7830] veth1: entered allmulticast mode
[ 1336.379780][ T7830] veth2: entered allmulticast mode
[ 1336.380109][ T7830] veth3: entered allmulticast mode
[ 1354.670208][ T7830] veth0: left allmulticast mode
[ 1354.670559][ T7830] veth1: left allmulticast mode
[ 1354.670914][ T7830] veth2: left allmulticast mode
[ 1354.671177][ T7830] veth3: left allmulticast mode