[ 1317.791096][T15362] 
[ 1317.791529][T15362] =============================
[ 1317.791697][T15362] WARNING: suspicious RCU usage
[ 1317.791855][T15362] 6.12.0-rc6-virtme #1 Not tainted
[ 1317.792013][T15362] -----------------------------
[ 1317.792185][T15362] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1317.792420][T15362] 
[ 1317.792420][T15362] other info that might help us debug this:
[ 1317.792420][T15362] 
[ 1317.792723][T15362] 
[ 1317.792723][T15362] rcu_scheduler_active = 2, debug_locks = 1
[ 1317.792962][T15362] no locks held by smcrouted/15362.
[ 1317.793123][T15362] 
[ 1317.793123][T15362] stack backtrace:
[ 1317.793328][T15362] CPU: 3 UID: 0 PID: 15362 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1317.793605][T15362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1317.793813][T15362] Call Trace:
[ 1317.793941][T15362]  <TASK>
[ 1317.794030][T15362]  dump_stack_lvl+0xb0/0xd0
[ 1317.794240][T15362]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1317.794412][T15362]  ip6mr_get_table+0x142/0x190
[ 1317.794583][T15362]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1317.794745][T15362]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1317.794947][T15362]  ? __lock_release+0x103/0x460
[ 1317.795105][T15362]  ? __might_fault+0x11b/0x170
[ 1317.795269][T15362]  ? trace_lock_acquire+0x14d/0x1f0
[ 1317.795437][T15362]  ? __might_fault+0xc3/0x170
[ 1317.795599][T15362]  ? lock_acquire+0x32/0xc0
[ 1317.795764][T15362]  ? __might_fault+0xc3/0x170
[ 1317.795925][T15362]  ? __might_fault+0x11b/0x170
[ 1317.796089][T15362]  do_ipv6_setsockopt+0x705/0x34e0
[ 1317.796251][T15362]  ? __lock_release+0xe0/0x460
[ 1317.796408][T15362]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1317.796566][T15362]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1317.796730][T15362]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1317.796888][T15362]  ? validate_chain+0x1fe/0xae0
[ 1317.797051][T15362]  ? is_bpf_text_address+0x67/0x120
[ 1317.797219][T15362]  ? __pfx_validate_chain+0x10/0x10
[ 1317.797391][T15362]  ? hlock_class+0x4e/0x130
[ 1317.797548][T15362]  ? mark_lock+0x38/0x3e0
[ 1317.797672][T15362]  ? __lock_acquire+0xb3f/0x1580
[ 1317.797838][T15362]  ? find_held_lock+0x2c/0x110
[ 1317.798008][T15362]  ? ipv6_setsockopt+0x7f/0xe0
[ 1317.798185][T15362]  ipv6_setsockopt+0x7f/0xe0
[ 1317.798364][T15362]  rawv6_setsockopt+0xb7/0x550
[ 1317.798527][T15362]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1317.798689][T15362]  ? __lock_acquire+0xb3f/0x1580
[ 1317.798848][T15362]  ? kfree+0x2d/0x340
[ 1317.798975][T15362]  do_sock_setsockopt+0x149/0x3a0
[ 1317.799133][T15362]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1317.799293][T15362]  ? __lock_release+0x103/0x460
[ 1317.799454][T15362]  ? fd_install+0x1d1/0x5a0
[ 1317.799617][T15362]  ? trace_lock_acquire+0x14d/0x1f0
[ 1317.799783][T15362]  ? fdget+0x52/0x1e0
[ 1317.799909][T15362]  __sys_setsockopt+0x104/0x1a0
[ 1317.800073][T15362]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1317.800229][T15362]  ? __sys_socket+0x168/0x1e0
[ 1317.800388][T15362]  ? __pfx___sys_socket+0x10/0x10
[ 1317.800547][T15362]  ? do_user_addr_fault+0x374/0xe30
[ 1317.800712][T15362]  __x64_sys_setsockopt+0xbd/0x160
[ 1317.800868][T15362]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1317.801069][T15362]  do_syscall_64+0xc1/0x1d0
[ 1317.801233][T15362]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1317.801429][T15362] RIP: 0033:0x7f2cc0e9e91e
[ 1317.801595][T15362] 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
[ 1317.802155][T15362] RSP: 002b:00007ffcab3a1898 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1317.802421][T15362] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cc0e9e91e
[ 1317.802658][T15362] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1317.802895][T15362] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1317.803131][T15362] R10: 00007ffcab3a18bc R11: 0000000000000246 R12: 0000000000000000
[ 1317.803372][T15362] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f2cc0fa3000
[ 1317.803619][T15362]  </TASK>
[ 1317.808580][T15362] veth0: entered allmulticast mode
[ 1317.809101][T15362] veth1: entered allmulticast mode
[ 1317.811119][T15362] veth2: entered allmulticast mode
[ 1317.812393][T15362] veth3: entered allmulticast mode
[ 1317.821535][T15362] veth4: entered allmulticast mode
[ 1317.821941][T15362] veth5: entered allmulticast mode
[ 1343.377973][T15362] veth0: left allmulticast mode
[ 1343.378293][T15362] veth1: left allmulticast mode
[ 1343.378537][T15362] veth2: left allmulticast mode
[ 1343.378776][T15362] veth3: left allmulticast mode
[ 1343.379016][T15362] veth4: left allmulticast mode
[ 1343.379273][T15362] veth5: left allmulticast mode