[ 1259.282824][ T4452] 
[ 1259.282955][ T4452] =============================
[ 1259.283113][ T4452] WARNING: suspicious RCU usage
[ 1259.283269][ T4452] 6.12.0-virtme #1 Not tainted
[ 1259.283426][ T4452] -----------------------------
[ 1259.283594][ T4452] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1259.283820][ T4452] 
[ 1259.283820][ T4452] other info that might help us debug this:
[ 1259.283820][ T4452] 
[ 1259.284118][ T4452] 
[ 1259.284118][ T4452] rcu_scheduler_active = 2, debug_locks = 1
[ 1259.284349][ T4452] no locks held by smcrouted/4452.
[ 1259.284516][ T4452] 
[ 1259.284516][ T4452] stack backtrace:
[ 1259.284710][ T4452] CPU: 3 UID: 0 PID: 4452 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1259.284948][ T4452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1259.285144][ T4452] Call Trace:
[ 1259.285289][ T4452]  <TASK>
[ 1259.285375][ T4452]  dump_stack_lvl+0xb0/0xd0
[ 1259.285544][ T4452]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1259.285712][ T4452]  ip6mr_get_table+0x142/0x190
[ 1259.285874][ T4452]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1259.286033][ T4452]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1259.286232][ T4452]  ? __lock_release+0x103/0x460
[ 1259.286387][ T4452]  ? __might_fault+0x11b/0x170
[ 1259.286544][ T4452]  ? trace_lock_acquire+0x14d/0x1f0
[ 1259.286702][ T4452]  ? __might_fault+0xc3/0x170
[ 1259.286856][ T4452]  ? lock_acquire+0x32/0xc0
[ 1259.287011][ T4452]  ? __might_fault+0xc3/0x170
[ 1259.287173][ T4452]  ? __might_fault+0x11b/0x170
[ 1259.287339][ T4452]  do_ipv6_setsockopt+0x705/0x34e0
[ 1259.287508][ T4452]  ? validate_chain+0x160/0xae0
[ 1259.287669][ T4452]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1259.287831][ T4452]  ? __pfx_validate_chain+0x10/0x10
[ 1259.287993][ T4452]  ? hlock_class+0x4e/0x130
[ 1259.288150][ T4452]  ? mark_lock+0x38/0x3e0
[ 1259.288279][ T4452]  ? __lock_acquire+0xb9a/0x1680
[ 1259.288448][ T4452]  ? find_held_lock+0x2c/0x110
[ 1259.288608][ T4452]  ? __lock_release+0x103/0x460
[ 1259.288763][ T4452]  ? __create_object+0x5e/0xb0
[ 1259.288923][ T4452]  ? __pfx___lock_release+0x10/0x10
[ 1259.289078][ T4452]  ? __pfx_validate_chain+0x10/0x10
[ 1259.289235][ T4452]  ? hlock_class+0x4e/0x130
[ 1259.289390][ T4452]  ? mark_lock+0x38/0x3e0
[ 1259.289519][ T4452]  ? ipv6_setsockopt+0x7f/0xe0
[ 1259.289678][ T4452]  ipv6_setsockopt+0x7f/0xe0
[ 1259.289837][ T4452]  rawv6_setsockopt+0xb7/0x550
[ 1259.290001][ T4452]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1259.290163][ T4452]  ? find_held_lock+0x2c/0x110
[ 1259.290337][ T4452]  ? kfree+0x2d/0x340
[ 1259.290457][ T4452]  ? __lock_release+0x103/0x460
[ 1259.290612][ T4452]  ? fd_install+0x1d1/0x5a0
[ 1259.290772][ T4452]  do_sock_setsockopt+0x149/0x3a0
[ 1259.290934][ T4452]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1259.291106][ T4452]  __sys_setsockopt+0xec/0x160
[ 1259.291268][ T4452]  __x64_sys_setsockopt+0xbd/0x160
[ 1259.291427][ T4452]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1259.291620][ T4452]  do_syscall_64+0xc1/0x1d0
[ 1259.291779][ T4452]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1259.291969][ T4452] RIP: 0033:0x7f9289e2d91e
[ 1259.292147][ T4452] 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
[ 1259.292696][ T4452] RSP: 002b:00007ffeefa6b308 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1259.292946][ T4452] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9289e2d91e
[ 1259.293178][ T4452] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1259.293428][ T4452] RBP: 0000000000000008 R08: 0000000000000004 R09: 00000000213bb010
[ 1259.293669][ T4452] R10: 00007ffeefa6b32c R11: 0000000000000246 R12: 0000000000000000
[ 1259.293903][ T4452] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f9289f32000
[ 1259.294161][ T4452]  </TASK>
[ 1259.296767][ T4452] veth0: entered allmulticast mode
[ 1259.297279][ T4452] veth1: entered allmulticast mode
[ 1259.297627][ T4452] veth2: entered allmulticast mode
[ 1259.297943][ T4452] veth3: entered allmulticast mode
[ 1259.298262][ T4452] veth4: entered allmulticast mode
[ 1259.298602][ T4452] veth5: entered allmulticast mode
[ 1270.349308][ T4538] GACT probability NOT on
[ 1287.343307][ T4452] veth0: left allmulticast mode
[ 1287.343698][ T4452] veth1: left allmulticast mode
[ 1287.343948][ T4452] veth2: left allmulticast mode
[ 1287.344200][ T4452] veth3: left allmulticast mode
[ 1287.344452][ T4452] veth4: left allmulticast mode
[ 1287.344702][ T4452] veth5: left allmulticast mode