[ 1315.014276][ T7676] 
[ 1315.015240][ T7676] =============================
[ 1315.015520][ T7676] WARNING: suspicious RCU usage
[ 1315.015702][ T7676] 6.12.0-rc6-virtme #1 Not tainted
[ 1315.015900][ T7676] -----------------------------
[ 1315.016060][ T7676] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1315.016406][ T7676] 
[ 1315.016406][ T7676] other info that might help us debug this:
[ 1315.016406][ T7676] 
[ 1315.016723][ T7676] 
[ 1315.016723][ T7676] rcu_scheduler_active = 2, debug_locks = 1
[ 1315.016994][ T7676] no locks held by smcrouted/7676.
[ 1315.017155][ T7676] 
[ 1315.017155][ T7676] stack backtrace:
[ 1315.017352][ T7676] CPU: 3 UID: 0 PID: 7676 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1315.017716][ T7676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1315.018010][ T7676] Call Trace:
[ 1315.018150][ T7676]  <TASK>
[ 1315.018236][ T7676]  dump_stack_lvl+0xb0/0xd0
[ 1315.018409][ T7676]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1315.018574][ T7676]  ip6mr_get_table+0x142/0x190
[ 1315.018737][ T7676]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1315.018945][ T7676]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1315.019227][ T7676]  ? __lock_release+0x103/0x460
[ 1315.019421][ T7676]  ? __might_fault+0x11b/0x170
[ 1315.019644][ T7676]  ? trace_lock_acquire+0x14d/0x1f0
[ 1315.019864][ T7676]  ? __might_fault+0xc3/0x170
[ 1315.020068][ T7676]  ? lock_acquire+0x32/0xc0
[ 1315.020271][ T7676]  ? __might_fault+0xc3/0x170
[ 1315.020438][ T7676]  ? __might_fault+0x11b/0x170
[ 1315.020606][ T7676]  do_ipv6_setsockopt+0x705/0x34e0
[ 1315.020833][ T7676]  ? __lock_release+0xe0/0x460
[ 1315.021014][ T7676]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1315.021176][ T7676]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1315.021337][ T7676]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1315.021494][ T7676]  ? validate_chain+0x1fe/0xae0
[ 1315.021657][ T7676]  ? is_bpf_text_address+0x67/0x120
[ 1315.021826][ T7676]  ? __pfx_validate_chain+0x10/0x10
[ 1315.022058][ T7676]  ? hlock_class+0x4e/0x130
[ 1315.022258][ T7676]  ? mark_lock+0x38/0x3e0
[ 1315.022419][ T7676]  ? __lock_acquire+0xb3f/0x1580
[ 1315.022603][ T7676]  ? find_held_lock+0x2c/0x110
[ 1315.022850][ T7676]  ? ipv6_setsockopt+0x7f/0xe0
[ 1315.023072][ T7676]  ipv6_setsockopt+0x7f/0xe0
[ 1315.023267][ T7676]  rawv6_setsockopt+0xb7/0x550
[ 1315.023490][ T7676]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1315.023710][ T7676]  ? __lock_acquire+0xb3f/0x1580
[ 1315.023939][ T7676]  ? kfree+0x2d/0x340
[ 1315.024145][ T7676]  do_sock_setsockopt+0x149/0x3a0
[ 1315.024332][ T7676]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1315.024556][ T7676]  ? __lock_release+0x103/0x460
[ 1315.024739][ T7676]  ? fd_install+0x1d1/0x5a0
[ 1315.024918][ T7676]  ? trace_lock_acquire+0x14d/0x1f0
[ 1315.025081][ T7676]  ? fdget+0x52/0x1e0
[ 1315.025204][ T7676]  __sys_setsockopt+0x104/0x1a0
[ 1315.025404][ T7676]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1315.025616][ T7676]  ? __sys_socket+0x168/0x1e0
[ 1315.025837][ T7676]  ? __pfx___sys_socket+0x10/0x10
[ 1315.026040][ T7676]  ? do_user_addr_fault+0x374/0xe30
[ 1315.026259][ T7676]  __x64_sys_setsockopt+0xbd/0x160
[ 1315.026514][ T7676]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1315.026826][ T7676]  do_syscall_64+0xc1/0x1d0
[ 1315.027089][ T7676]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1315.027355][ T7676] RIP: 0033:0x7fd75f96591e
[ 1315.027535][ T7676] 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
[ 1315.028201][ T7676] RSP: 002b:00007ffe963a7068 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1315.028468][ T7676] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd75f96591e
[ 1315.028714][ T7676] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1315.029004][ T7676] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1315.029274][ T7676] R10: 00007ffe963a708c R11: 0000000000000246 R12: 0000000000000000
[ 1315.029600][ T7676] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fd75fa6a000
[ 1315.029907][ T7676]  </TASK>
[ 1315.032612][ T7676] veth0: entered allmulticast mode
[ 1315.033284][ T7676] veth1: entered allmulticast mode
[ 1315.036824][ T7676] veth2: entered allmulticast mode
[ 1315.037216][ T7676] veth3: entered allmulticast mode
[ 1334.517712][ T7676] veth0: left allmulticast mode
[ 1334.518126][ T7676] veth1: left allmulticast mode
[ 1334.518394][ T7676] veth2: left allmulticast mode
[ 1334.518653][ T7676] veth3: left allmulticast mode