[ 1256.220204][T13282] 
[ 1256.220373][T13282] =============================
[ 1256.220553][T13282] WARNING: suspicious RCU usage
[ 1256.220722][T13282] 6.12.0-virtme #1 Not tainted
[ 1256.220897][T13282] -----------------------------
[ 1256.221070][T13282] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1256.221589][T13282] 
[ 1256.221589][T13282] other info that might help us debug this:
[ 1256.221589][T13282] 
[ 1256.221907][T13282] 
[ 1256.221907][T13282] rcu_scheduler_active = 2, debug_locks = 1
[ 1256.222158][T13282] no locks held by smcrouted/13282.
[ 1256.222346][T13282] 
[ 1256.222346][T13282] stack backtrace:
[ 1256.222556][T13282] CPU: 2 UID: 0 PID: 13282 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1256.222790][T13282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1256.222986][T13282] Call Trace:
[ 1256.223107][T13282]  <TASK>
[ 1256.223192][T13282]  dump_stack_lvl+0xb0/0xd0
[ 1256.223358][T13282]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1256.223519][T13282]  ip6mr_get_table+0x142/0x190
[ 1256.223696][T13282]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1256.223860][T13282]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1256.224064][T13282]  ? __lock_release+0x103/0x460
[ 1256.224220][T13282]  ? __might_fault+0x11b/0x170
[ 1256.224383][T13282]  ? trace_lock_acquire+0x14d/0x1f0
[ 1256.224543][T13282]  ? __might_fault+0xc3/0x170
[ 1256.224696][T13282]  ? lock_acquire+0x32/0xc0
[ 1256.224852][T13282]  ? __might_fault+0xc3/0x170
[ 1256.225012][T13282]  ? __might_fault+0x11b/0x170
[ 1256.225176][T13282]  do_ipv6_setsockopt+0x705/0x34e0
[ 1256.225343][T13282]  ? usage_skip+0x110/0x190
[ 1256.225505][T13282]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1256.225666][T13282]  ? __lock_acquire+0xb9a/0x1680
[ 1256.225843][T13282]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1256.226003][T13282]  ? validate_chain+0x1fe/0xae0
[ 1256.226166][T13282]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1256.226326][T13282]  ? validate_chain+0x1fe/0xae0
[ 1256.226483][T13282]  ? __pfx_validate_chain+0x10/0x10
[ 1256.226639][T13282]  ? hlock_class+0x4e/0x130
[ 1256.226799][T13282]  ? mark_lock+0x38/0x3e0
[ 1256.226926][T13282]  ? __lock_acquire+0xb9a/0x1680
[ 1256.227086][T13282]  ? __lock_acquire+0xb42/0x1680
[ 1256.227255][T13282]  ? ipv6_setsockopt+0x7f/0xe0
[ 1256.227415][T13282]  ? find_held_lock+0x2c/0x110
[ 1256.227575][T13282]  ipv6_setsockopt+0x7f/0xe0
[ 1256.227736][T13282]  rawv6_setsockopt+0xb7/0x550
[ 1256.227893][T13282]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1256.228056][T13282]  ? trace_lock_acquire+0x14d/0x1f0
[ 1256.228219][T13282]  do_sock_setsockopt+0x149/0x3a0
[ 1256.228378][T13282]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1256.228545][T13282]  ? clockevents_program_event+0x1ea/0x300
[ 1256.228746][T13282]  __sys_setsockopt+0xec/0x160
[ 1256.228911][T13282]  __x64_sys_setsockopt+0xbd/0x160
[ 1256.229066][T13282]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1256.229272][T13282]  do_syscall_64+0xc1/0x1d0
[ 1256.229435][T13282]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1256.229639][T13282] RIP: 0033:0x7fcb8774091e
[ 1256.229815][T13282] 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
[ 1256.230358][T13282] RSP: 002b:00007ffd88eeb818 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1256.230604][T13282] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcb8774091e
[ 1256.230845][T13282] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1256.231083][T13282] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1256.231316][T13282] R10: 00007ffd88eeb83c R11: 0000000000000246 R12: 0000000000000000
[ 1256.231549][T13282] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fcb87845000
[ 1256.231804][T13282]  </TASK>
[ 1256.235337][T13282] veth0: entered allmulticast mode
[ 1256.235925][T13282] veth1: entered allmulticast mode
[ 1256.236300][T13282] veth2: entered allmulticast mode
[ 1256.236646][T13282] veth3: entered allmulticast mode
[ 1256.236970][T13282] veth4: entered allmulticast mode
[ 1256.238823][T13282] veth5: entered allmulticast mode
[ 1284.324468][T13282] veth0: left allmulticast mode
[ 1284.324786][T13282] veth1: left allmulticast mode
[ 1284.325019][T13282] veth2: left allmulticast mode
[ 1284.325273][T13282] veth3: left allmulticast mode
[ 1284.325505][T13282] veth4: left allmulticast mode
[ 1284.325742][T13282] veth5: left allmulticast mode