[ 1326.336567][T10408] 
[ 1326.336705][T10408] =============================
[ 1326.336870][T10408] WARNING: suspicious RCU usage
[ 1326.337033][T10408] 6.12.0-rc6-virtme #1 Not tainted
[ 1326.337222][T10408] -----------------------------
[ 1326.337432][T10408] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1326.337695][T10408] 
[ 1326.337695][T10408] other info that might help us debug this:
[ 1326.337695][T10408] 
[ 1326.337999][T10408] 
[ 1326.337999][T10408] rcu_scheduler_active = 2, debug_locks = 1
[ 1326.338263][T10408] no locks held by smcrouted/10408.
[ 1326.338429][T10408] 
[ 1326.338429][T10408] stack backtrace:
[ 1326.338641][T10408] CPU: 0 UID: 0 PID: 10408 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1326.338933][T10408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1326.339140][T10408] Call Trace:
[ 1326.339275][T10408]  <TASK>
[ 1326.339369][T10408]  dump_stack_lvl+0xb0/0xd0
[ 1326.339576][T10408]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1326.339754][T10408]  ip6mr_get_table+0x142/0x190
[ 1326.339942][T10408]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1326.340127][T10408]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1326.340355][T10408]  ? __lock_release+0x103/0x460
[ 1326.340521][T10408]  ? __might_fault+0x11b/0x170
[ 1326.340692][T10408]  ? trace_lock_acquire+0x14d/0x1f0
[ 1326.340871][T10408]  ? __might_fault+0xc3/0x170
[ 1326.341041][T10408]  ? lock_acquire+0x32/0xc0
[ 1326.341209][T10408]  ? __might_fault+0xc3/0x170
[ 1326.341385][T10408]  ? __might_fault+0x11b/0x170
[ 1326.341564][T10408]  do_ipv6_setsockopt+0x705/0x34e0
[ 1326.341737][T10408]  ? __lock_release+0xe0/0x460
[ 1326.341911][T10408]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1326.342085][T10408]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1326.342261][T10408]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1326.342433][T10408]  ? validate_chain+0x1fe/0xae0
[ 1326.342616][T10408]  ? is_bpf_text_address+0x67/0x120
[ 1326.342814][T10408]  ? __pfx_validate_chain+0x10/0x10
[ 1326.342987][T10408]  ? hlock_class+0x4e/0x130
[ 1326.343158][T10408]  ? mark_lock+0x38/0x3e0
[ 1326.343294][T10408]  ? __lock_acquire+0xb3f/0x1580
[ 1326.343476][T10408]  ? find_held_lock+0x2c/0x110
[ 1326.343663][T10408]  ? ipv6_setsockopt+0x7f/0xe0
[ 1326.343833][T10408]  ipv6_setsockopt+0x7f/0xe0
[ 1326.344007][T10408]  rawv6_setsockopt+0xb7/0x550
[ 1326.344181][T10408]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1326.344366][T10408]  ? __lock_acquire+0xb3f/0x1580
[ 1326.344562][T10408]  ? kfree+0x2d/0x340
[ 1326.344706][T10408]  do_sock_setsockopt+0x149/0x3a0
[ 1326.344882][T10408]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1326.345063][T10408]  ? __lock_release+0x103/0x460
[ 1326.345244][T10408]  ? fd_install+0x1d1/0x5a0
[ 1326.345420][T10408]  ? trace_lock_acquire+0x14d/0x1f0
[ 1326.345596][T10408]  ? fdget+0x52/0x1e0
[ 1326.345731][T10408]  __sys_setsockopt+0x104/0x1a0
[ 1326.345906][T10408]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1326.346078][T10408]  ? __sys_socket+0x168/0x1e0
[ 1326.346262][T10408]  ? __pfx___sys_socket+0x10/0x10
[ 1326.346440][T10408]  __x64_sys_setsockopt+0xbd/0x160
[ 1326.346622][T10408]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1326.346836][T10408]  do_syscall_64+0xc1/0x1d0
[ 1326.347010][T10408]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1326.347229][T10408] RIP: 0033:0x7f5eac0d891e
[ 1326.347416][T10408] 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
[ 1326.348033][T10408] RSP: 002b:00007fff120bc898 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1326.348297][T10408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5eac0d891e
[ 1326.348555][T10408] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1326.348811][T10408] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1326.349074][T10408] R10: 00007fff120bc8bc R11: 0000000000000246 R12: 0000000000000000
[ 1326.349330][T10408] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f5eac1dd000
[ 1326.349606][T10408]  </TASK>
[ 1326.353907][T10408] veth0: entered allmulticast mode
[ 1326.354550][T10408] veth1: entered allmulticast mode
[ 1326.354927][T10408] veth2: entered allmulticast mode
[ 1326.357086][T10408] veth3: entered allmulticast mode
[ 1326.357519][T10408] veth4: entered allmulticast mode
[ 1326.357968][T10408] veth5: entered allmulticast mode
[ 1351.178553][T10408] veth0: left allmulticast mode
[ 1351.178871][T10408] veth1: left allmulticast mode
[ 1351.179142][T10408] veth2: left allmulticast mode
[ 1351.179397][T10408] veth3: left allmulticast mode
[ 1351.179646][T10408] veth4: left allmulticast mode
[ 1351.179897][T10408] veth5: left allmulticast mode