[ 1303.465366][ T9041] 
[ 1303.465556][ T9041] =============================
[ 1303.465752][ T9041] WARNING: suspicious RCU usage
[ 1303.465929][ T9041] 6.12.0-rc7-virtme #1 Not tainted
[ 1303.466125][ T9041] -----------------------------
[ 1303.466329][ T9041] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1303.466594][ T9041] 
[ 1303.466594][ T9041] other info that might help us debug this:
[ 1303.466594][ T9041] 
[ 1303.466940][ T9041] 
[ 1303.466940][ T9041] rcu_scheduler_active = 2, debug_locks = 1
[ 1303.467192][ T9041] no locks held by smcrouted/9041.
[ 1303.467384][ T9041] 
[ 1303.467384][ T9041] stack backtrace:
[ 1303.467617][ T9041] CPU: 3 UID: 0 PID: 9041 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1303.467924][ T9041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1303.468141][ T9041] Call Trace:
[ 1303.468281][ T9041]  <TASK>
[ 1303.468378][ T9041]  dump_stack_lvl+0xb0/0xd0
[ 1303.468568][ T9041]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1303.468765][ T9041]  ip6mr_get_table+0x142/0x190
[ 1303.468948][ T9041]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1303.469128][ T9041]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1303.469361][ T9041]  ? __lock_release+0x103/0x460
[ 1303.469537][ T9041]  ? __might_fault+0x11b/0x170
[ 1303.469726][ T9041]  ? trace_lock_acquire+0x14d/0x1f0
[ 1303.469924][ T9041]  ? __might_fault+0xc3/0x170
[ 1303.470108][ T9041]  ? lock_acquire+0x32/0xc0
[ 1303.470296][ T9041]  ? __might_fault+0xc3/0x170
[ 1303.470472][ T9041]  ? __might_fault+0x11b/0x170
[ 1303.470654][ T9041]  do_ipv6_setsockopt+0x705/0x34e0
[ 1303.470832][ T9041]  ? __lock_release+0x10/0x460
[ 1303.471019][ T9041]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1303.471196][ T9041]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1303.471372][ T9041]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1303.471550][ T9041]  ? validate_chain+0x1fe/0xae0
[ 1303.471733][ T9041]  ? is_bpf_text_address+0x67/0x120
[ 1303.471932][ T9041]  ? __pfx_validate_chain+0x10/0x10
[ 1303.472120][ T9041]  ? hlock_class+0x4e/0x130
[ 1303.472306][ T9041]  ? mark_lock+0x38/0x3e0
[ 1303.472461][ T9041]  ? __lock_acquire+0xb3f/0x1580
[ 1303.472654][ T9041]  ? find_held_lock+0x2c/0x110
[ 1303.472854][ T9041]  ? ipv6_setsockopt+0x7f/0xe0
[ 1303.473050][ T9041]  ipv6_setsockopt+0x7f/0xe0
[ 1303.473230][ T9041]  rawv6_setsockopt+0xb7/0x550
[ 1303.473421][ T9041]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1303.473610][ T9041]  ? __lock_acquire+0xb3f/0x1580
[ 1303.473788][ T9041]  ? kfree+0x2d/0x340
[ 1303.473935][ T9041]  do_sock_setsockopt+0x149/0x3a0
[ 1303.474120][ T9041]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1303.474300][ T9041]  ? __lock_release+0x103/0x460
[ 1303.474486][ T9041]  ? fd_install+0x1d1/0x5a0
[ 1303.474690][ T9041]  ? trace_lock_acquire+0x14d/0x1f0
[ 1303.474872][ T9041]  ? fdget+0x52/0x1e0
[ 1303.475017][ T9041]  __sys_setsockopt+0x104/0x1a0
[ 1303.475205][ T9041]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1303.475407][ T9041]  ? __sys_socket+0x168/0x1e0
[ 1303.475604][ T9041]  ? __pfx___sys_socket+0x10/0x10
[ 1303.475791][ T9041]  ? do_user_addr_fault+0x374/0xe30
[ 1303.475978][ T9041]  __x64_sys_setsockopt+0xbd/0x160
[ 1303.476161][ T9041]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1303.476393][ T9041]  do_syscall_64+0xc1/0x1d0
[ 1303.476578][ T9041]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1303.476814][ T9041] RIP: 0033:0x7f020272191e
[ 1303.477004][ T9041] 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
[ 1303.477636][ T9041] RSP: 002b:00007fff5a3158a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1303.477901][ T9041] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f020272191e
[ 1303.478171][ T9041] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1303.478426][ T9041] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1303.478689][ T9041] R10: 00007fff5a3158cc R11: 0000000000000246 R12: 0000000000000000
[ 1303.478963][ T9041] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f0202826000
[ 1303.479238][ T9041]  </TASK>
[ 1303.482687][ T9041] veth0: entered allmulticast mode
[ 1303.483319][ T9041] veth1: entered allmulticast mode
[ 1303.483651][ T9041] veth2: entered allmulticast mode
[ 1303.484011][ T9041] veth3: entered allmulticast mode
[ 1322.621533][ T9041] veth0: left allmulticast mode
[ 1322.628533][ T9041] veth1: left allmulticast mode
[ 1322.628884][ T9041] veth2: left allmulticast mode
[ 1322.629157][ T9041] veth3: left allmulticast mode