[ 1309.761705][ T7828] 
[ 1309.761932][ T7828] =============================
[ 1309.762160][ T7828] WARNING: suspicious RCU usage
[ 1309.762459][ T7828] 6.12.0-rc7-virtme #1 Not tainted
[ 1309.762678][ T7828] -----------------------------
[ 1309.762999][ T7828] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1309.763417][ T7828] 
[ 1309.763417][ T7828] other info that might help us debug this:
[ 1309.763417][ T7828] 
[ 1309.763766][ T7828] 
[ 1309.763766][ T7828] rcu_scheduler_active = 2, debug_locks = 1
[ 1309.764019][ T7828] no locks held by smcrouted/7828.
[ 1309.764190][ T7828] 
[ 1309.764190][ T7828] stack backtrace:
[ 1309.764528][ T7828] CPU: 2 UID: 0 PID: 7828 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1309.764903][ T7828] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1309.765178][ T7828] Call Trace:
[ 1309.765368][ T7828]  <TASK>
[ 1309.765454][ T7828]  dump_stack_lvl+0xb0/0xd0
[ 1309.765627][ T7828]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1309.765798][ T7828]  ip6mr_get_table+0x142/0x190
[ 1309.765971][ T7828]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1309.766135][ T7828]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1309.766352][ T7828]  ? __lock_release+0x103/0x460
[ 1309.766521][ T7828]  ? __might_fault+0x11b/0x170
[ 1309.766685][ T7828]  ? trace_lock_acquire+0x14d/0x1f0
[ 1309.766848][ T7828]  ? __might_fault+0xc3/0x170
[ 1309.767001][ T7828]  ? lock_acquire+0x32/0xc0
[ 1309.767160][ T7828]  ? __might_fault+0xc3/0x170
[ 1309.767336][ T7828]  ? __might_fault+0x11b/0x170
[ 1309.767504][ T7828]  do_ipv6_setsockopt+0x705/0x34e0
[ 1309.767667][ T7828]  ? __lock_release+0x10/0x460
[ 1309.767824][ T7828]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1309.767979][ T7828]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1309.768140][ T7828]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1309.768303][ T7828]  ? validate_chain+0x1fe/0xae0
[ 1309.768457][ T7828]  ? is_bpf_text_address+0x67/0x120
[ 1309.768621][ T7828]  ? __pfx_validate_chain+0x10/0x10
[ 1309.768781][ T7828]  ? hlock_class+0x4e/0x130
[ 1309.768941][ T7828]  ? mark_lock+0x38/0x3e0
[ 1309.769063][ T7828]  ? __lock_acquire+0xb3f/0x1580
[ 1309.769230][ T7828]  ? find_held_lock+0x2c/0x110
[ 1309.769502][ T7828]  ? ipv6_setsockopt+0x7f/0xe0
[ 1309.769742][ T7828]  ipv6_setsockopt+0x7f/0xe0
[ 1309.769905][ T7828]  rawv6_setsockopt+0xb7/0x550
[ 1309.770066][ T7828]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1309.770222][ T7828]  ? __lock_acquire+0xb3f/0x1580
[ 1309.770404][ T7828]  ? kfree+0x2d/0x340
[ 1309.770529][ T7828]  do_sock_setsockopt+0x149/0x3a0
[ 1309.770698][ T7828]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1309.770891][ T7828]  ? __lock_release+0x103/0x460
[ 1309.771056][ T7828]  ? fd_install+0x1d1/0x5a0
[ 1309.771215][ T7828]  ? trace_lock_acquire+0x14d/0x1f0
[ 1309.771384][ T7828]  ? fdget+0x52/0x1e0
[ 1309.771506][ T7828]  __sys_setsockopt+0x104/0x1a0
[ 1309.771667][ T7828]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1309.771870][ T7828]  ? __sys_socket+0x168/0x1e0
[ 1309.772031][ T7828]  ? __pfx___sys_socket+0x10/0x10
[ 1309.772258][ T7828]  ? do_user_addr_fault+0x374/0xe30
[ 1309.772429][ T7828]  __x64_sys_setsockopt+0xbd/0x160
[ 1309.772623][ T7828]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1309.772817][ T7828]  do_syscall_64+0xc1/0x1d0
[ 1309.773019][ T7828]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1309.773215][ T7828] RIP: 0033:0x7f183f60b91e
[ 1309.773404][ T7828] 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
[ 1309.774006][ T7828] RSP: 002b:00007ffc9fb00838 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1309.774253][ T7828] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f183f60b91e
[ 1309.774586][ T7828] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1309.774825][ T7828] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1309.775054][ T7828] R10: 00007ffc9fb0085c R11: 0000000000000246 R12: 0000000000000000
[ 1309.775296][ T7828] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f183f710000
[ 1309.775543][ T7828]  </TASK>
[ 1309.780259][ T7828] veth0: entered allmulticast mode
[ 1309.781386][ T7828] veth1: entered allmulticast mode
[ 1309.781807][ T7828] veth2: entered allmulticast mode
[ 1309.782216][ T7828] veth3: entered allmulticast mode
[ 1309.783979][ T7828] veth4: entered allmulticast mode
[ 1309.784413][ T7828] veth5: entered allmulticast mode
[ 1335.128251][ T7828] veth0: left allmulticast mode
[ 1335.128819][ T7828] veth1: left allmulticast mode
[ 1335.129109][ T7828] veth2: left allmulticast mode
[ 1335.129426][ T7828] veth3: left allmulticast mode
[ 1335.129715][ T7828] veth4: left allmulticast mode
[ 1335.129991][ T7828] veth5: left allmulticast mode