[   29.518033][  T286] 
[   29.518145][  T286] =============================
[   29.518349][  T286] WARNING: suspicious RCU usage
[   29.518501][  T286] 6.12.0-rc4-virtme #1 Not tainted
[   29.518663][  T286] -----------------------------
[   29.518816][  T286] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[   29.519048][  T286] 
[   29.519048][  T286] other info that might help us debug this:
[   29.519048][  T286] 
[   29.519459][  T286] 
[   29.519459][  T286] rcu_scheduler_active = 2, debug_locks = 1
[   29.519677][  T286] no locks held by smcrouted/286.
[   29.519843][  T286] 
[   29.519843][  T286] stack backtrace:
[   29.520022][  T286] CPU: 2 UID: 0 PID: 286 Comm: smcrouted Not tainted 6.12.0-rc4-virtme #1
[   29.520237][  T286] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   29.520558][  T286] Call Trace:
[   29.520672][  T286]  <TASK>
[   29.520760][  T286]  dump_stack_lvl+0xb0/0xd0
[   29.520913][  T286]  lockdep_rcu_suspicious+0x1ea/0x280
[   29.521065][  T286]  ip6mr_get_table+0x142/0x190
[   29.521219][  T286]  ip6_mroute_setsockopt+0x185/0x12d0
[   29.521372][  T286]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[   29.521558][  T286]  ? find_held_lock+0x2c/0x110
[   29.521708][  T286]  ? __lock_release+0x103/0x460
[   29.521855][  T286]  ? __might_fault+0x11b/0x170
[   29.522004][  T286]  ? __pfx___lock_release+0x10/0x10
[   29.522147][  T286]  ? trace_lock_acquire+0x14d/0x1f0
[   29.522304][  T286]  ? __might_fault+0xc3/0x170
[   29.522451][  T286]  ? lock_acquire+0x32/0xc0
[   29.522601][  T286]  ? __might_fault+0xc3/0x170
[   29.522964][  T286]  ? __might_fault+0x11b/0x170
[   29.523114][  T286]  do_ipv6_setsockopt+0x705/0x34e0
[   29.523262][  T286]  ? __lock_release+0xf0/0x460
[   29.523410][  T286]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[   29.523554][  T286]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   29.523706][  T286]  ? rcu_read_lock_any_held+0x43/0xb0
[   29.523863][  T286]  ? validate_chain+0x1fe/0xae0
[   29.524007][  T286]  ? is_bpf_text_address+0x67/0x120
[   29.524169][  T286]  ? __pfx_validate_chain+0x10/0x10
[   29.524321][  T286]  ? hlock_class+0x4e/0x130
[   29.524467][  T286]  ? mark_lock+0x38/0x3e0
[   29.524582][  T286]  ? __lock_acquire+0xb3f/0x1580
[   29.524737][  T286]  ? find_held_lock+0x2c/0x110
[   29.524889][  T286]  ? ipv6_setsockopt+0x7f/0xe0
[   29.525036][  T286]  ipv6_setsockopt+0x7f/0xe0
[   29.525185][  T286]  rawv6_setsockopt+0xb7/0x550
[   29.525331][  T286]  ? __pfx_rawv6_setsockopt+0x10/0x10
[   29.525479][  T286]  ? __lock_acquire+0xb3f/0x1580
[   29.525627][  T286]  ? kfree+0x2d/0x340
[   29.525749][  T286]  do_sock_setsockopt+0x149/0x3a0
[   29.525895][  T286]  ? __pfx_do_sock_setsockopt+0x10/0x10
[   29.526042][  T286]  ? __lock_release+0x103/0x460
[   29.526184][  T286]  ? fd_install+0x1d1/0x5a0
[   29.526339][  T286]  ? trace_lock_acquire+0x14d/0x1f0
[   29.526488][  T286]  ? fdget+0x52/0x1e0
[   29.526607][  T286]  __sys_setsockopt+0x104/0x1a0
[   29.526764][  T286]  ? __pfx___sys_setsockopt+0x10/0x10
[   29.526919][  T286]  ? __sys_socket+0x168/0x1e0
[   29.527067][  T286]  ? __pfx___sys_socket+0x10/0x10
[   29.527223][  T286]  __x64_sys_setsockopt+0xbd/0x160
[   29.527367][  T286]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   29.527563][  T286]  do_syscall_64+0xc1/0x1d0
[   29.527713][  T286]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   29.527898][  T286] RIP: 0033:0x7f87478e091e
[   29.528052][  T286] 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
[   29.528561][  T286] RSP: 002b:00007fff18837e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   29.528785][  T286] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f87478e091e
[   29.529006][  T286] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[   29.529226][  T286] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[   29.529440][  T286] R10: 00007fff18837e7c R11: 0000000000000246 R12: 0000000000000000
[   29.529667][  T286] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f87479e5000
[   29.529897][  T286]  </TASK>
[   29.535203][  T286] veth0: entered allmulticast mode
[   29.535743][  T286] veth1: entered allmulticast mode
[   29.536049][  T286] veth2: entered allmulticast mode
[   29.536357][  T286] veth3: entered allmulticast mode
[   45.873124][  T373] GACT probability NOT on
[   59.014056][  T286] veth0: left allmulticast mode
[   59.014369][  T286] veth1: left allmulticast mode
[   59.014605][  T286] veth2: left allmulticast mode
[   59.014818][  T286] veth3: left allmulticast mode