[ 1337.001617][T15468] 
[ 1337.001747][T15468] =============================
[ 1337.001911][T15468] WARNING: suspicious RCU usage
[ 1337.002074][T15468] 6.12.0-virtme #1 Not tainted
[ 1337.002234][T15468] -----------------------------
[ 1337.002472][T15468] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1337.002700][T15468] 
[ 1337.002700][T15468] other info that might help us debug this:
[ 1337.002700][T15468] 
[ 1337.002998][T15468] 
[ 1337.002998][T15468] rcu_scheduler_active = 2, debug_locks = 1
[ 1337.003226][T15468] no locks held by smcrouted/15468.
[ 1337.003397][T15468] 
[ 1337.003397][T15468] stack backtrace:
[ 1337.003620][T15468] CPU: 0 UID: 0 PID: 15468 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1337.003875][T15468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1337.004068][T15468] Call Trace:
[ 1337.004201][T15468]  <TASK>
[ 1337.004286][T15468]  dump_stack_lvl+0xb0/0xd0
[ 1337.004460][T15468]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1337.004621][T15468]  ip6mr_get_table+0x142/0x190
[ 1337.004783][T15468]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1337.004941][T15468]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1337.005143][T15468]  ? __lock_release+0x103/0x460
[ 1337.005297][T15468]  ? __might_fault+0x11b/0x170
[ 1337.005458][T15468]  ? trace_lock_acquire+0x14d/0x1f0
[ 1337.005621][T15468]  ? __might_fault+0xc3/0x170
[ 1337.005775][T15468]  ? lock_acquire+0x32/0xc0
[ 1337.005930][T15468]  ? __might_fault+0xc3/0x170
[ 1337.006089][T15468]  ? __might_fault+0x11b/0x170
[ 1337.006253][T15468]  do_ipv6_setsockopt+0x705/0x34e0
[ 1337.006417][T15468]  ? validate_chain+0x160/0xae0
[ 1337.006574][T15468]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1337.006735][T15468]  ? __pfx_validate_chain+0x10/0x10
[ 1337.006890][T15468]  ? hlock_class+0x4e/0x130
[ 1337.007046][T15468]  ? mark_lock+0x38/0x3e0
[ 1337.007169][T15468]  ? __lock_acquire+0xb9a/0x1680
[ 1337.007335][T15468]  ? find_held_lock+0x2c/0x110
[ 1337.007495][T15468]  ? __lock_release+0x103/0x460
[ 1337.007649][T15468]  ? __create_object+0x5e/0xb0
[ 1337.007806][T15468]  ? __pfx___lock_release+0x10/0x10
[ 1337.007962][T15468]  ? __pfx_validate_chain+0x10/0x10
[ 1337.008115][T15468]  ? hlock_class+0x4e/0x130
[ 1337.008268][T15468]  ? mark_lock+0x38/0x3e0
[ 1337.008391][T15468]  ? ipv6_setsockopt+0x7f/0xe0
[ 1337.008546][T15468]  ipv6_setsockopt+0x7f/0xe0
[ 1337.008707][T15468]  rawv6_setsockopt+0xb7/0x550
[ 1337.008863][T15468]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1337.009017][T15468]  ? find_held_lock+0x2c/0x110
[ 1337.009173][T15468]  ? kfree+0x2d/0x340
[ 1337.009291][T15468]  ? __lock_release+0x103/0x460
[ 1337.009443][T15468]  ? fd_install+0x1d1/0x5a0
[ 1337.009609][T15468]  do_sock_setsockopt+0x149/0x3a0
[ 1337.009769][T15468]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1337.009943][T15468]  __sys_setsockopt+0xec/0x160
[ 1337.010105][T15468]  __x64_sys_setsockopt+0xbd/0x160
[ 1337.010266][T15468]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1337.010466][T15468]  do_syscall_64+0xc1/0x1d0
[ 1337.010626][T15468]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1337.010824][T15468] RIP: 0033:0x7fa43bb6791e
[ 1337.010985][T15468] 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
[ 1337.011528][T15468] RSP: 002b:00007ffeed3191a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1337.011766][T15468] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa43bb6791e
[ 1337.011997][T15468] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1337.012231][T15468] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1337.012478][T15468] R10: 00007ffeed3191cc R11: 0000000000000246 R12: 0000000000000000
[ 1337.012716][T15468] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fa43bc6c000
[ 1337.012960][T15468]  </TASK>
[ 1337.017510][T15468] veth0: entered allmulticast mode
[ 1337.018049][T15468] veth1: entered allmulticast mode
[ 1337.018397][T15468] veth2: entered allmulticast mode
[ 1337.018706][T15468] veth3: entered allmulticast mode
[ 1354.674442][T15468] veth0: left allmulticast mode
[ 1354.674784][T15468] veth1: left allmulticast mode
[ 1354.675038][T15468] veth2: left allmulticast mode
[ 1354.675284][T15468] veth3: left allmulticast mode