[ 1315.120308][ T8469] 
[ 1315.120470][ T8469] =============================
[ 1315.120634][ T8469] WARNING: suspicious RCU usage
[ 1315.120794][ T8469] 6.12.0-rc7-virtme #1 Not tainted
[ 1315.120950][ T8469] -----------------------------
[ 1315.121106][ T8469] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1315.121411][ T8469] 
[ 1315.121411][ T8469] other info that might help us debug this:
[ 1315.121411][ T8469] 
[ 1315.121791][ T8469] 
[ 1315.121791][ T8469] rcu_scheduler_active = 2, debug_locks = 1
[ 1315.122019][ T8469] no locks held by smcrouted/8469.
[ 1315.122187][ T8469] 
[ 1315.122187][ T8469] stack backtrace:
[ 1315.122451][ T8469] CPU: 1 UID: 0 PID: 8469 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1315.122731][ T8469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1315.122927][ T8469] Call Trace:
[ 1315.123055][ T8469]  <TASK>
[ 1315.123152][ T8469]  dump_stack_lvl+0xb0/0xd0
[ 1315.123323][ T8469]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1315.123487][ T8469]  ip6mr_get_table+0x142/0x190
[ 1315.123648][ T8469]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1315.123812][ T8469]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1315.124015][ T8469]  ? __lock_release+0x103/0x460
[ 1315.124188][ T8469]  ? __might_fault+0x11b/0x170
[ 1315.124349][ T8469]  ? trace_lock_acquire+0x14d/0x1f0
[ 1315.124511][ T8469]  ? __might_fault+0xc3/0x170
[ 1315.124664][ T8469]  ? lock_acquire+0x32/0xc0
[ 1315.124821][ T8469]  ? __might_fault+0xc3/0x170
[ 1315.124978][ T8469]  ? __might_fault+0x11b/0x170
[ 1315.125144][ T8469]  do_ipv6_setsockopt+0x705/0x34e0
[ 1315.125303][ T8469]  ? __lock_release+0x10/0x460
[ 1315.125461][ T8469]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1315.125620][ T8469]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1315.125782][ T8469]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1315.125938][ T8469]  ? validate_chain+0x1fe/0xae0
[ 1315.126097][ T8469]  ? is_bpf_text_address+0x67/0x120
[ 1315.126262][ T8469]  ? __pfx_validate_chain+0x10/0x10
[ 1315.126417][ T8469]  ? hlock_class+0x4e/0x130
[ 1315.126670][ T8469]  ? mark_lock+0x38/0x3e0
[ 1315.126804][ T8469]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1315.126962][ T8469]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1315.127118][ T8469]  ? validate_chain+0x1fe/0xae0
[ 1315.127292][ T8469]  ? __pfx_validate_chain+0x10/0x10
[ 1315.127449][ T8469]  ? hlock_class+0x4e/0x130
[ 1315.127613][ T8469]  ? ipv6_setsockopt+0x7f/0xe0
[ 1315.127770][ T8469]  ipv6_setsockopt+0x7f/0xe0
[ 1315.127930][ T8469]  rawv6_setsockopt+0xb7/0x550
[ 1315.128092][ T8469]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1315.128257][ T8469]  ? kfree+0x2d/0x340
[ 1315.128385][ T8469]  do_sock_setsockopt+0x149/0x3a0
[ 1315.128543][ T8469]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1315.128703][ T8469]  ? __pfx___lock_release+0x10/0x10
[ 1315.128860][ T8469]  ? __might_fault+0xc3/0x170
[ 1315.129023][ T8469]  ? __might_fault+0xc3/0x170
[ 1315.129183][ T8469]  ? lock_acquire+0x32/0xc0
[ 1315.129344][ T8469]  ? fdget+0x52/0x1e0
[ 1315.129476][ T8469]  __sys_setsockopt+0x104/0x1a0
[ 1315.129636][ T8469]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1315.129795][ T8469]  ? __pfx___sys_socket+0x10/0x10
[ 1315.129959][ T8469]  ? do_user_addr_fault+0x374/0xe30
[ 1315.130123][ T8469]  __x64_sys_setsockopt+0xbd/0x160
[ 1315.130281][ T8469]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1315.130478][ T8469]  do_syscall_64+0xc1/0x1d0
[ 1315.130647][ T8469]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1315.130851][ T8469] RIP: 0033:0x7f38c4eab91e
[ 1315.131019][ T8469] 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
[ 1315.131565][ T8469] RSP: 002b:00007ffd31a48a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1315.131805][ T8469] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f38c4eab91e
[ 1315.132053][ T8469] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1315.132285][ T8469] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1315.132520][ T8469] R10: 00007ffd31a48a9c R11: 0000000000000246 R12: 0000000000000000
[ 1315.132756][ T8469] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f38c4fb0000
[ 1315.132999][ T8469]  </TASK>
[ 1315.135593][ T8469] veth0: entered allmulticast mode
[ 1315.136142][ T8469] veth1: entered allmulticast mode
[ 1315.136493][ T8469] veth2: entered allmulticast mode
[ 1315.136814][ T8469] veth3: entered allmulticast mode
[ 1315.137153][ T8469] veth4: entered allmulticast mode
[ 1315.137499][ T8469] veth5: entered allmulticast mode
[ 1341.786422][ T8469] veth0: left allmulticast mode
[ 1341.786792][ T8469] veth1: left allmulticast mode
[ 1341.787035][ T8469] veth2: left allmulticast mode
[ 1341.787294][ T8469] veth3: left allmulticast mode
[ 1341.787532][ T8469] veth4: left allmulticast mode
[ 1341.787768][ T8469] veth5: left allmulticast mode