[ 1306.165055][ T8751] 
[ 1306.165212][ T8751] =============================
[ 1306.165493][ T8751] WARNING: suspicious RCU usage
[ 1306.165683][ T8751] 6.12.0-rc7-virtme #1 Not tainted
[ 1306.165871][ T8751] -----------------------------
[ 1306.166055][ T8751] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1306.166371][ T8751] 
[ 1306.166371][ T8751] other info that might help us debug this:
[ 1306.166371][ T8751] 
[ 1306.166758][ T8751] 
[ 1306.166758][ T8751] rcu_scheduler_active = 2, debug_locks = 1
[ 1306.167041][ T8751] no locks held by smcrouted/8751.
[ 1306.167213][ T8751] 
[ 1306.167213][ T8751] stack backtrace:
[ 1306.167443][ T8751] CPU: 3 UID: 0 PID: 8751 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1306.167762][ T8751] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1306.167982][ T8751] Call Trace:
[ 1306.168130][ T8751]  <TASK>
[ 1306.168238][ T8751]  dump_stack_lvl+0xb0/0xd0
[ 1306.168436][ T8751]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1306.168630][ T8751]  ip6mr_get_table+0x142/0x190
[ 1306.168813][ T8751]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1306.168991][ T8751]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1306.169210][ T8751]  ? __lock_release+0x103/0x460
[ 1306.169384][ T8751]  ? __might_fault+0x11b/0x170
[ 1306.169567][ T8751]  ? trace_lock_acquire+0x14d/0x1f0
[ 1306.169767][ T8751]  ? __might_fault+0xc3/0x170
[ 1306.169944][ T8751]  ? lock_acquire+0x32/0xc0
[ 1306.170126][ T8751]  ? __might_fault+0xc3/0x170
[ 1306.170329][ T8751]  ? __might_fault+0x11b/0x170
[ 1306.170526][ T8751]  do_ipv6_setsockopt+0x705/0x34e0
[ 1306.170718][ T8751]  ? __lock_release+0x10/0x460
[ 1306.170906][ T8751]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1306.171088][ T8751]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1306.171260][ T8751]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1306.171433][ T8751]  ? validate_chain+0x1fe/0xae0
[ 1306.171612][ T8751]  ? is_bpf_text_address+0x67/0x120
[ 1306.171810][ T8751]  ? __pfx_validate_chain+0x10/0x10
[ 1306.171985][ T8751]  ? hlock_class+0x4e/0x130
[ 1306.172157][ T8751]  ? mark_lock+0x38/0x3e0
[ 1306.172306][ T8751]  ? __lock_acquire+0xb3f/0x1580
[ 1306.172483][ T8751]  ? queued_spin_lock_slowpath+0xee/0x970
[ 1306.172656][ T8751]  ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1306.172875][ T8751]  ? find_held_lock+0x2c/0x110
[ 1306.173065][ T8751]  ? ipv6_setsockopt+0x7f/0xe0
[ 1306.173250][ T8751]  ipv6_setsockopt+0x7f/0xe0
[ 1306.173422][ T8751]  rawv6_setsockopt+0xb7/0x550
[ 1306.173602][ T8751]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1306.173781][ T8751]  ? __lock_acquire+0xb3f/0x1580
[ 1306.173967][ T8751]  ? kfree+0x2d/0x340
[ 1306.174103][ T8751]  do_sock_setsockopt+0x149/0x3a0
[ 1306.174293][ T8751]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1306.174466][ T8751]  ? __lock_release+0x103/0x460
[ 1306.174644][ T8751]  ? fd_install+0x1d1/0x5a0
[ 1306.174829][ T8751]  ? trace_lock_acquire+0x14d/0x1f0
[ 1306.175001][ T8751]  ? fdget+0x52/0x1e0
[ 1306.175138][ T8751]  __sys_setsockopt+0x104/0x1a0
[ 1306.175312][ T8751]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1306.175492][ T8751]  ? __sys_socket+0x168/0x1e0
[ 1306.175665][ T8751]  ? __pfx___sys_socket+0x10/0x10
[ 1306.175861][ T8751]  ? do_user_addr_fault+0x374/0xe30
[ 1306.176053][ T8751]  __x64_sys_setsockopt+0xbd/0x160
[ 1306.176221][ T8751]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1306.176433][ T8751]  do_syscall_64+0xc1/0x1d0
[ 1306.176604][ T8751]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1306.176831][ T8751] RIP: 0033:0x7f3b9dabd91e
[ 1306.177016][ T8751] 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
[ 1306.177615][ T8751] RSP: 002b:00007ffdbef0f498 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1306.177879][ T8751] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3b9dabd91e
[ 1306.178130][ T8751] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1306.178385][ T8751] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1306.178651][ T8751] R10: 00007ffdbef0f4bc R11: 0000000000000246 R12: 0000000000000000
[ 1306.178909][ T8751] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f3b9dbc2000
[ 1306.179179][ T8751]  </TASK>
[ 1306.183704][ T8751] veth0: entered allmulticast mode
[ 1306.184270][ T8751] veth1: entered allmulticast mode
[ 1306.186535][ T8751] veth2: entered allmulticast mode
[ 1306.186983][ T8751] veth3: entered allmulticast mode
[ 1306.187350][ T8751] veth4: entered allmulticast mode
[ 1306.187713][ T8751] veth5: entered allmulticast mode
[ 1331.374500][ T8751] veth0: left allmulticast mode
[ 1331.374868][ T8751] veth1: left allmulticast mode
[ 1331.375102][ T8751] veth2: left allmulticast mode
[ 1331.375344][ T8751] veth3: left allmulticast mode
[ 1331.375568][ T8751] veth4: left allmulticast mode
[ 1331.375793][ T8751] veth5: left allmulticast mode