[ 1269.759951][ T8089] 
[ 1269.760132][ T8089] =============================
[ 1269.760322][ T8089] WARNING: suspicious RCU usage
[ 1269.760491][ T8089] 6.12.0-rc6-virtme #1 Not tainted
[ 1269.760664][ T8089] -----------------------------
[ 1269.760835][ T8089] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1269.761116][ T8089] 
[ 1269.761116][ T8089] other info that might help us debug this:
[ 1269.761116][ T8089] 
[ 1269.761470][ T8089] 
[ 1269.761470][ T8089] rcu_scheduler_active = 2, debug_locks = 1
[ 1269.761732][ T8089] no locks held by smcrouted/8089.
[ 1269.761912][ T8089] 
[ 1269.761912][ T8089] stack backtrace:
[ 1269.762149][ T8089] CPU: 2 UID: 0 PID: 8089 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1269.762474][ T8089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1269.762676][ T8089] Call Trace:
[ 1269.762798][ T8089]  <TASK>
[ 1269.762888][ T8089]  dump_stack_lvl+0xb0/0xd0
[ 1269.763088][ T8089]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1269.763263][ T8089]  ip6mr_get_table+0x142/0x190
[ 1269.763436][ T8089]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1269.763599][ T8089]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1269.763836][ T8089]  ? __lock_release+0x103/0x460
[ 1269.763994][ T8089]  ? __might_fault+0x11b/0x170
[ 1269.764156][ T8089]  ? trace_lock_acquire+0x14d/0x1f0
[ 1269.764354][ T8089]  ? __might_fault+0xc3/0x170
[ 1269.764513][ T8089]  ? lock_acquire+0x32/0xc0
[ 1269.764671][ T8089]  ? __might_fault+0xc3/0x170
[ 1269.764828][ T8089]  ? __might_fault+0x11b/0x170
[ 1269.765019][ T8089]  do_ipv6_setsockopt+0x705/0x34e0
[ 1269.765182][ T8089]  ? __lock_release+0xe0/0x460
[ 1269.765341][ T8089]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1269.765497][ T8089]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1269.765698][ T8089]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1269.765864][ T8089]  ? validate_chain+0x1fe/0xae0
[ 1269.766038][ T8089]  ? is_bpf_text_address+0x67/0x120
[ 1269.766203][ T8089]  ? __pfx_validate_chain+0x10/0x10
[ 1269.766360][ T8089]  ? hlock_class+0x4e/0x130
[ 1269.766541][ T8089]  ? mark_lock+0x38/0x3e0
[ 1269.766670][ T8089]  ? __lock_acquire+0xb3f/0x1580
[ 1269.766841][ T8089]  ? find_held_lock+0x2c/0x110
[ 1269.767026][ T8089]  ? ipv6_setsockopt+0x7f/0xe0
[ 1269.767187][ T8089]  ipv6_setsockopt+0x7f/0xe0
[ 1269.767380][ T8089]  rawv6_setsockopt+0xb7/0x550
[ 1269.767539][ T8089]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1269.767691][ T8089]  ? __lock_acquire+0xb3f/0x1580
[ 1269.767881][ T8089]  ? kfree+0x2d/0x340
[ 1269.768009][ T8089]  do_sock_setsockopt+0x149/0x3a0
[ 1269.768171][ T8089]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1269.768329][ T8089]  ? __lock_release+0x103/0x460
[ 1269.768489][ T8089]  ? fd_install+0x1d1/0x5a0
[ 1269.768678][ T8089]  ? trace_lock_acquire+0x14d/0x1f0
[ 1269.768838][ T8089]  ? fdget+0x52/0x1e0
[ 1269.768961][ T8089]  __sys_setsockopt+0x104/0x1a0
[ 1269.769147][ T8089]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1269.769305][ T8089]  ? __sys_socket+0x168/0x1e0
[ 1269.769463][ T8089]  ? __pfx___sys_socket+0x10/0x10
[ 1269.769626][ T8089]  ? do_user_addr_fault+0x374/0xe30
[ 1269.769788][ T8089]  __x64_sys_setsockopt+0xbd/0x160
[ 1269.769978][ T8089]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1269.770183][ T8089]  do_syscall_64+0xc1/0x1d0
[ 1269.770343][ T8089]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1269.770535][ T8089] RIP: 0033:0x7f9d0d61c91e
[ 1269.770700][ T8089] 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
[ 1269.771290][ T8089] RSP: 002b:00007ffe36ed4eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1269.771536][ T8089] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9d0d61c91e
[ 1269.771783][ T8089] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1269.772020][ T8089] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1269.772258][ T8089] R10: 00007ffe36ed4edc R11: 0000000000000246 R12: 0000000000000000
[ 1269.772497][ T8089] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f9d0d721000
[ 1269.772750][ T8089]  </TASK>
[ 1269.775814][ T8089] veth0: entered allmulticast mode
[ 1269.784998][ T8089] veth1: entered allmulticast mode
[ 1269.785661][ T8089] veth2: entered allmulticast mode
[ 1269.785997][ T8089] veth3: entered allmulticast mode
[ 1269.786352][ T8089] veth4: entered allmulticast mode
[ 1269.786704][ T8089] veth5: entered allmulticast mode
[ 1296.501590][ T8089] veth0: left allmulticast mode
[ 1296.501929][ T8089] veth1: left allmulticast mode
[ 1296.502303][ T8089] veth2: left allmulticast mode
[ 1296.502635][ T8089] veth3: left allmulticast mode
[ 1296.502894][ T8089] veth4: left allmulticast mode
[ 1296.503241][ T8089] veth5: left allmulticast mode