[ 1258.473334][ T4416] 
[ 1258.473478][ T4416] =============================
[ 1258.473646][ T4416] WARNING: suspicious RCU usage
[ 1258.473814][ T4416] 6.12.0-rc7-virtme #1 Not tainted
[ 1258.473984][ T4416] -----------------------------
[ 1258.474140][ T4416] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1258.474367][ T4416] 
[ 1258.474367][ T4416] other info that might help us debug this:
[ 1258.474367][ T4416] 
[ 1258.474689][ T4416] 
[ 1258.474689][ T4416] rcu_scheduler_active = 2, debug_locks = 1
[ 1258.474935][ T4416] no locks held by smcrouted/4416.
[ 1258.475097][ T4416] 
[ 1258.475097][ T4416] stack backtrace:
[ 1258.475288][ T4416] CPU: 3 UID: 0 PID: 4416 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1258.475567][ T4416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1258.475767][ T4416] Call Trace:
[ 1258.475892][ T4416]  <TASK>
[ 1258.475977][ T4416]  dump_stack_lvl+0xb0/0xd0
[ 1258.476144][ T4416]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1258.476312][ T4416]  ip6mr_get_table+0x142/0x190
[ 1258.476479][ T4416]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1258.476642][ T4416]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1258.476851][ T4416]  ? __lock_release+0x103/0x460
[ 1258.477009][ T4416]  ? __might_fault+0x11b/0x170
[ 1258.477170][ T4416]  ? trace_lock_acquire+0x14d/0x1f0
[ 1258.477332][ T4416]  ? __might_fault+0xc3/0x170
[ 1258.477484][ T4416]  ? lock_acquire+0x32/0xc0
[ 1258.477645][ T4416]  ? __might_fault+0xc3/0x170
[ 1258.477807][ T4416]  ? __might_fault+0x11b/0x170
[ 1258.477971][ T4416]  do_ipv6_setsockopt+0x705/0x34e0
[ 1258.478128][ T4416]  ? __lock_release+0x10/0x460
[ 1258.478285][ T4416]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1258.478447][ T4416]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1258.478606][ T4416]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1258.478771][ T4416]  ? validate_chain+0x1fe/0xae0
[ 1258.478928][ T4416]  ? is_bpf_text_address+0x67/0x120
[ 1258.479092][ T4416]  ? __pfx_validate_chain+0x10/0x10
[ 1258.479252][ T4416]  ? hlock_class+0x4e/0x130
[ 1258.479423][ T4416]  ? mark_lock+0x38/0x3e0
[ 1258.479552][ T4416]  ? __lock_acquire+0xb3f/0x1580
[ 1258.479723][ T4416]  ? find_held_lock+0x2c/0x110
[ 1258.479890][ T4416]  ? ipv6_setsockopt+0x7f/0xe0
[ 1258.480057][ T4416]  ipv6_setsockopt+0x7f/0xe0
[ 1258.480215][ T4416]  rawv6_setsockopt+0xb7/0x550
[ 1258.480374][ T4416]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1258.480528][ T4416]  ? __lock_acquire+0xb3f/0x1580
[ 1258.480686][ T4416]  ? kfree+0x2d/0x340
[ 1258.480818][ T4416]  do_sock_setsockopt+0x149/0x3a0
[ 1258.480974][ T4416]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1258.481136][ T4416]  ? __lock_release+0x103/0x460
[ 1258.481295][ T4416]  ? fd_install+0x1d1/0x5a0
[ 1258.481461][ T4416]  ? trace_lock_acquire+0x14d/0x1f0
[ 1258.481619][ T4416]  ? fdget+0x52/0x1e0
[ 1258.481746][ T4416]  __sys_setsockopt+0x104/0x1a0
[ 1258.481901][ T4416]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1258.482057][ T4416]  ? __sys_socket+0x168/0x1e0
[ 1258.482215][ T4416]  ? __pfx___sys_socket+0x10/0x10
[ 1258.482374][ T4416]  ? do_user_addr_fault+0x374/0xe30
[ 1258.482533][ T4416]  __x64_sys_setsockopt+0xbd/0x160
[ 1258.482688][ T4416]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1258.482907][ T4416]  do_syscall_64+0xc1/0x1d0
[ 1258.483066][ T4416]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1258.483255][ T4416] RIP: 0033:0x7fd36f5e491e
[ 1258.483419][ T4416] 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
[ 1258.483965][ T4416] RSP: 002b:00007ffce822e818 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1258.484200][ T4416] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd36f5e491e
[ 1258.484433][ T4416] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1258.484664][ T4416] RBP: 0000000000000008 R08: 0000000000000004 R09: 00000000234ea010
[ 1258.484905][ T4416] R10: 00007ffce822e83c R11: 0000000000000246 R12: 0000000000000000
[ 1258.485136][ T4416] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fd36f6e9000
[ 1258.485389][ T4416]  </TASK>
[ 1258.489562][ T4416] veth0: entered allmulticast mode
[ 1258.490085][ T4416] veth1: entered allmulticast mode
[ 1258.490424][ T4416] veth2: entered allmulticast mode
[ 1258.490735][ T4416] veth3: entered allmulticast mode
[ 1258.491050][ T4416] veth4: entered allmulticast mode
[ 1258.491358][ T4416] veth5: entered allmulticast mode
[ 1269.156419][ T4502] GACT probability NOT on
[ 1284.797943][ T4416] veth0: left allmulticast mode
[ 1284.798514][ T4416] veth1: left allmulticast mode
[ 1284.798932][ T4416] veth2: left allmulticast mode
[ 1284.799325][ T4416] veth3: left allmulticast mode
[ 1284.799768][ T4416] veth4: left allmulticast mode
[ 1284.800178][ T4416] veth5: left allmulticast mode