[  108.279613][  T802] 
[  108.279753][  T802] =============================
[  108.279985][  T802] WARNING: suspicious RCU usage
[  108.280245][  T802] 6.12.0-rc6-virtme #1 Not tainted
[  108.280501][  T802] -----------------------------
[  108.280750][  T802] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[  108.281118][  T802] 
[  108.281118][  T802] other info that might help us debug this:
[  108.281118][  T802] 
[  108.281610][  T802] 
[  108.281610][  T802] rcu_scheduler_active = 2, debug_locks = 1
[  108.281982][  T802] no locks held by smcrouted/802.
[  108.283122][  T802] 
[  108.283122][  T802] stack backtrace:
[  108.283507][  T802] CPU: 1 UID: 0 PID: 802 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[  108.283881][  T802] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  108.284441][  T802] Call Trace:
[  108.284643][  T802]  <TASK>
[  108.284781][  T802]  dump_stack_lvl+0xb0/0xd0
[  108.285042][  T802]  lockdep_rcu_suspicious+0x1ea/0x280
[  108.285302][  T802]  ip6mr_get_table+0x142/0x190
[  108.285559][  T802]  ip6_mroute_setsockopt+0x185/0x12d0
[  108.285815][  T802]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[  108.286136][  T802]  ? __lock_release+0x103/0x460
[  108.286388][  T802]  ? __might_fault+0x11b/0x170
[  108.286640][  T802]  ? trace_lock_acquire+0x14d/0x1f0
[  108.286948][  T802]  ? __might_fault+0xc3/0x170
[  108.287201][  T802]  ? lock_acquire+0x32/0xc0
[  108.287454][  T802]  ? __might_fault+0xc3/0x170
[  108.287714][  T802]  ? __might_fault+0x11b/0x170
[  108.287976][  T802]  do_ipv6_setsockopt+0x705/0x34e0
[  108.288225][  T802]  ? __lock_release+0xe0/0x460
[  108.288478][  T802]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[  108.288729][  T802]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  108.288993][  T802]  ? rcu_read_lock_any_held+0x43/0xb0
[  108.289245][  T802]  ? validate_chain+0x1fe/0xae0
[  108.289501][  T802]  ? is_bpf_text_address+0x67/0x120
[  108.289761][  T802]  ? __pfx_validate_chain+0x10/0x10
[  108.290012][  T802]  ? hlock_class+0x4e/0x130
[  108.290259][  T802]  ? mark_lock+0x38/0x3e0
[  108.290466][  T802]  ? __lock_acquire+0xb3f/0x1580
[  108.290730][  T802]  ? find_held_lock+0x2c/0x110
[  108.291000][  T802]  ? ipv6_setsockopt+0x7f/0xe0
[  108.291243][  T802]  ipv6_setsockopt+0x7f/0xe0
[  108.291499][  T802]  rawv6_setsockopt+0xb7/0x550
[  108.291748][  T802]  ? __pfx_rawv6_setsockopt+0x10/0x10
[  108.291994][  T802]  ? __lock_acquire+0xb3f/0x1580
[  108.292269][  T802]  ? kfree+0x2d/0x340
[  108.292472][  T802]  do_sock_setsockopt+0x149/0x3a0
[  108.292724][  T802]  ? __pfx_do_sock_setsockopt+0x10/0x10
[  108.292971][  T802]  ? __lock_release+0x103/0x460
[  108.293218][  T802]  ? fd_install+0x1d1/0x5a0
[  108.293476][  T802]  ? trace_lock_acquire+0x14d/0x1f0
[  108.293728][  T802]  ? fdget+0x52/0x1e0
[  108.293932][  T802]  __sys_setsockopt+0x104/0x1a0
[  108.294187][  T802]  ? __pfx___sys_setsockopt+0x10/0x10
[  108.294438][  T802]  ? __sys_socket+0x168/0x1e0
[  108.294687][  T802]  ? __pfx___sys_socket+0x10/0x10
[  108.294950][  T802]  __x64_sys_setsockopt+0xbd/0x160
[  108.295195][  T802]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  108.295510][  T802]  do_syscall_64+0xc1/0x1d0
[  108.295770][  T802]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  108.296078][  T802] RIP: 0033:0x7ff9281dc91e
[  108.296342][  T802] 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
[  108.297216][  T802] RSP: 002b:00007ffd8985ef98 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[  108.297596][  T802] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff9281dc91e
[  108.297974][  T802] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[  108.298353][  T802] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[  108.298723][  T802] R10: 00007ffd8985efbc R11: 0000000000000246 R12: 0000000000000000
[  108.299095][  T802] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007ff9282e1000
[  108.299495][  T802]  </TASK>
[  108.305214][  T802] veth0: entered allmulticast mode
[  108.305894][  T802] veth1: entered allmulticast mode
[  108.306308][  T802] veth2: entered allmulticast mode
[  108.306686][  T802] veth3: entered allmulticast mode
[  137.714474][  T802] veth0: left allmulticast mode
[  137.714793][  T802] veth1: left allmulticast mode
[  137.715050][  T802] veth2: left allmulticast mode
[  137.715314][  T802] veth3: left allmulticast mode