[ 1254.319159][T13270] 
[ 1254.319359][T13270] =============================
[ 1254.319543][T13270] WARNING: suspicious RCU usage
[ 1254.319805][T13270] 6.12.0-virtme #1 Not tainted
[ 1254.319976][T13270] -----------------------------
[ 1254.320149][T13270] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1254.321080][T13270] 
[ 1254.321080][T13270] other info that might help us debug this:
[ 1254.321080][T13270] 
[ 1254.321430][T13270] 
[ 1254.321430][T13270] rcu_scheduler_active = 2, debug_locks = 1
[ 1254.321679][T13270] no locks held by smcrouted/13270.
[ 1254.321860][T13270] 
[ 1254.321860][T13270] stack backtrace:
[ 1254.322071][T13270] CPU: 2 UID: 0 PID: 13270 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1254.322312][T13270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1254.322515][T13270] Call Trace:
[ 1254.322642][T13270]  <TASK>
[ 1254.322736][T13270]  dump_stack_lvl+0xb0/0xd0
[ 1254.322922][T13270]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1254.323086][T13270]  ip6mr_get_table+0x142/0x190
[ 1254.323253][T13270]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1254.323425][T13270]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1254.323634][T13270]  ? __lock_release+0x103/0x460
[ 1254.323792][T13270]  ? __might_fault+0x11b/0x170
[ 1254.323954][T13270]  ? trace_lock_acquire+0x14d/0x1f0
[ 1254.324116][T13270]  ? __might_fault+0xc3/0x170
[ 1254.324271][T13270]  ? lock_acquire+0x32/0xc0
[ 1254.324430][T13270]  ? __might_fault+0xc3/0x170
[ 1254.324595][T13270]  ? __might_fault+0x11b/0x170
[ 1254.324777][T13270]  do_ipv6_setsockopt+0x705/0x34e0
[ 1254.324938][T13270]  ? validate_chain+0x160/0xae0
[ 1254.325127][T13270]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1254.325370][T13270]  ? __pfx_validate_chain+0x10/0x10
[ 1254.325615][T13270]  ? hlock_class+0x4e/0x130
[ 1254.325864][T13270]  ? mark_lock+0x38/0x3e0
[ 1254.326073][T13270]  ? __lock_acquire+0xb9a/0x1680
[ 1254.326335][T13270]  ? find_held_lock+0x2c/0x110
[ 1254.326593][T13270]  ? __lock_release+0x103/0x460
[ 1254.326842][T13270]  ? __create_object+0x5e/0xb0
[ 1254.327102][T13270]  ? __pfx___lock_release+0x10/0x10
[ 1254.327353][T13270]  ? __pfx_validate_chain+0x10/0x10
[ 1254.327606][T13270]  ? hlock_class+0x4e/0x130
[ 1254.327855][T13270]  ? mark_lock+0x38/0x3e0
[ 1254.328078][T13270]  ? ipv6_setsockopt+0x7f/0xe0
[ 1254.328334][T13270]  ipv6_setsockopt+0x7f/0xe0
[ 1254.328587][T13270]  rawv6_setsockopt+0xb7/0x550
[ 1254.328841][T13270]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1254.329090][T13270]  ? find_held_lock+0x2c/0x110
[ 1254.329352][T13270]  ? kfree+0x2d/0x340
[ 1254.329539][T13270]  ? __lock_release+0x103/0x460
[ 1254.329785][T13270]  ? fd_install+0x1d1/0x5a0
[ 1254.329996][T13270]  do_sock_setsockopt+0x149/0x3a0
[ 1254.330166][T13270]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1254.330350][T13270]  __sys_setsockopt+0xec/0x160
[ 1254.330514][T13270]  __x64_sys_setsockopt+0xbd/0x160
[ 1254.330678][T13270]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1254.330889][T13270]  do_syscall_64+0xc1/0x1d0
[ 1254.331060][T13270]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1254.331257][T13270] RIP: 0033:0x7f1d1a2ea91e
[ 1254.331425][T13270] 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
[ 1254.331985][T13270] RSP: 002b:00007ffca5c9a388 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1254.332228][T13270] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1d1a2ea91e
[ 1254.332458][T13270] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1254.332694][T13270] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1254.332943][T13270] R10: 00007ffca5c9a3ac R11: 0000000000000246 R12: 0000000000000000
[ 1254.333188][T13270] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f1d1a3ef000
[ 1254.333437][T13270]  </TASK>
[ 1254.335955][T13270] veth0: entered allmulticast mode
[ 1254.337628][T13270] veth1: entered allmulticast mode
[ 1254.337995][T13270] veth2: entered allmulticast mode
[ 1254.338355][T13270] veth3: entered allmulticast mode
[ 1254.338699][T13270] veth4: entered allmulticast mode
[ 1254.339032][T13270] veth5: entered allmulticast mode
[ 1281.571123][T13270] veth0: left allmulticast mode
[ 1281.571670][T13270] veth1: left allmulticast mode
[ 1281.572098][T13270] veth2: left allmulticast mode
[ 1281.572545][T13270] veth3: left allmulticast mode
[ 1281.572976][T13270] veth4: left allmulticast mode
[ 1281.573414][T13270] veth5: left allmulticast mode