[ 1240.365187][ T8025] 
[ 1240.365892][ T8025] =============================
[ 1240.366082][ T8025] WARNING: suspicious RCU usage
[ 1240.366257][ T8025] 6.12.0-virtme #1 Not tainted
[ 1240.366435][ T8025] -----------------------------
[ 1240.366629][ T8025] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1240.366940][ T8025] 
[ 1240.366940][ T8025] other info that might help us debug this:
[ 1240.366940][ T8025] 
[ 1240.367261][ T8025] 
[ 1240.367261][ T8025] rcu_scheduler_active = 2, debug_locks = 1
[ 1240.367500][ T8025] no locks held by smcrouted/8025.
[ 1240.367777][ T8025] 
[ 1240.367777][ T8025] stack backtrace:
[ 1240.368074][ T8025] CPU: 2 UID: 0 PID: 8025 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1240.368336][ T8025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1240.368541][ T8025] Call Trace:
[ 1240.368663][ T8025]  <TASK>
[ 1240.368747][ T8025]  dump_stack_lvl+0xb0/0xd0
[ 1240.368919][ T8025]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1240.369082][ T8025]  ip6mr_get_table+0x142/0x190
[ 1240.369248][ T8025]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1240.369411][ T8025]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1240.369621][ T8025]  ? __lock_release+0x103/0x460
[ 1240.369775][ T8025]  ? __might_fault+0x11b/0x170
[ 1240.369943][ T8025]  ? trace_lock_acquire+0x14d/0x1f0
[ 1240.370102][ T8025]  ? __might_fault+0xc3/0x170
[ 1240.370265][ T8025]  ? lock_acquire+0x32/0xc0
[ 1240.370439][ T8025]  ? __might_fault+0xc3/0x170
[ 1240.370607][ T8025]  ? __might_fault+0x11b/0x170
[ 1240.370794][ T8025]  do_ipv6_setsockopt+0x705/0x34e0
[ 1240.370963][ T8025]  ? validate_chain+0x160/0xae0
[ 1240.371134][ T8025]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1240.371309][ T8025]  ? __pfx_validate_chain+0x10/0x10
[ 1240.371469][ T8025]  ? hlock_class+0x4e/0x130
[ 1240.371636][ T8025]  ? mark_lock+0x38/0x3e0
[ 1240.371765][ T8025]  ? __lock_acquire+0xb9a/0x1680
[ 1240.371929][ T8025]  ? find_held_lock+0x2c/0x110
[ 1240.372085][ T8025]  ? __lock_release+0x103/0x460
[ 1240.372249][ T8025]  ? __create_object+0x5e/0xb0
[ 1240.372410][ T8025]  ? __pfx___lock_release+0x10/0x10
[ 1240.372564][ T8025]  ? __pfx_validate_chain+0x10/0x10
[ 1240.372726][ T8025]  ? hlock_class+0x4e/0x130
[ 1240.372885][ T8025]  ? mark_lock+0x38/0x3e0
[ 1240.373020][ T8025]  ? ipv6_setsockopt+0x7f/0xe0
[ 1240.373189][ T8025]  ipv6_setsockopt+0x7f/0xe0
[ 1240.373356][ T8025]  rawv6_setsockopt+0xb7/0x550
[ 1240.373516][ T8025]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1240.373675][ T8025]  ? find_held_lock+0x2c/0x110
[ 1240.373844][ T8025]  ? kfree+0x2d/0x340
[ 1240.373964][ T8025]  ? __lock_release+0x103/0x460
[ 1240.374138][ T8025]  ? fd_install+0x1d1/0x5a0
[ 1240.374308][ T8025]  do_sock_setsockopt+0x149/0x3a0
[ 1240.374474][ T8025]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1240.374656][ T8025]  __sys_setsockopt+0xec/0x160
[ 1240.374813][ T8025]  __x64_sys_setsockopt+0xbd/0x160
[ 1240.374976][ T8025]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1240.375177][ T8025]  do_syscall_64+0xc1/0x1d0
[ 1240.375384][ T8025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1240.375603][ T8025] RIP: 0033:0x7f579870191e
[ 1240.375782][ T8025] 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
[ 1240.376394][ T8025] RSP: 002b:00007ffe37901348 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1240.376663][ T8025] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f579870191e
[ 1240.376924][ T8025] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1240.377187][ T8025] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1240.377445][ T8025] R10: 00007ffe3790136c R11: 0000000000000246 R12: 0000000000000000
[ 1240.377703][ T8025] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f5798806000
[ 1240.377968][ T8025]  </TASK>
[ 1240.381957][ T8025] veth0: entered allmulticast mode
[ 1240.382751][ T8025] veth1: entered allmulticast mode
[ 1240.383234][ T8025] veth2: entered allmulticast mode
[ 1240.383711][ T8025] veth3: entered allmulticast mode
[ 1240.384195][ T8025] veth4: entered allmulticast mode
[ 1240.384655][ T8025] veth5: entered allmulticast mode
[ 1266.943951][ T8025] veth0: left allmulticast mode
[ 1266.944495][ T8025] veth1: left allmulticast mode
[ 1266.944934][ T8025] veth2: left allmulticast mode
[ 1266.945330][ T8025] veth3: left allmulticast mode
[ 1266.945797][ T8025] veth4: left allmulticast mode
[ 1266.946208][ T8025] veth5: left allmulticast mode