[ 1236.213464][T13510] 
[ 1236.213655][T13510] =============================
[ 1236.213855][T13510] WARNING: suspicious RCU usage
[ 1236.214029][T13510] 6.12.0-virtme #1 Not tainted
[ 1236.214202][T13510] -----------------------------
[ 1236.215237][T13510] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1236.215598][T13510] 
[ 1236.215598][T13510] other info that might help us debug this:
[ 1236.215598][T13510] 
[ 1236.215922][T13510] 
[ 1236.215922][T13510] rcu_scheduler_active = 2, debug_locks = 1
[ 1236.216165][T13510] no locks held by smcrouted/13510.
[ 1236.216439][T13510] 
[ 1236.216439][T13510] stack backtrace:
[ 1236.216663][T13510] CPU: 3 UID: 0 PID: 13510 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1236.216917][T13510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1236.217135][T13510] Call Trace:
[ 1236.217269][T13510]  <TASK>
[ 1236.217361][T13510]  dump_stack_lvl+0xb0/0xd0
[ 1236.217549][T13510]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1236.217727][T13510]  ip6mr_get_table+0x142/0x190
[ 1236.217896][T13510]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1236.218055][T13510]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1236.218255][T13510]  ? __lock_release+0x103/0x460
[ 1236.218406][T13510]  ? __might_fault+0x11b/0x170
[ 1236.218581][T13510]  ? trace_lock_acquire+0x14d/0x1f0
[ 1236.218739][T13510]  ? __might_fault+0xc3/0x170
[ 1236.218895][T13510]  ? lock_acquire+0x32/0xc0
[ 1236.219052][T13510]  ? __might_fault+0xc3/0x170
[ 1236.219208][T13510]  ? __might_fault+0x11b/0x170
[ 1236.219373][T13510]  do_ipv6_setsockopt+0x705/0x34e0
[ 1236.219546][T13510]  ? validate_chain+0x160/0xae0
[ 1236.219706][T13510]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1236.219868][T13510]  ? __pfx_validate_chain+0x10/0x10
[ 1236.220022][T13510]  ? hlock_class+0x4e/0x130
[ 1236.220176][T13510]  ? mark_lock+0x38/0x3e0
[ 1236.220299][T13510]  ? __lock_acquire+0xb9a/0x1680
[ 1236.220465][T13510]  ? find_held_lock+0x2c/0x110
[ 1236.220640][T13510]  ? __lock_release+0x103/0x460
[ 1236.220809][T13510]  ? __create_object+0x5e/0xb0
[ 1236.220977][T13510]  ? __pfx___lock_release+0x10/0x10
[ 1236.221143][T13510]  ? __pfx_validate_chain+0x10/0x10
[ 1236.221311][T13510]  ? hlock_class+0x4e/0x130
[ 1236.221478][T13510]  ? mark_lock+0x38/0x3e0
[ 1236.221679][T13510]  ? ipv6_setsockopt+0x7f/0xe0
[ 1236.221847][T13510]  ipv6_setsockopt+0x7f/0xe0
[ 1236.222018][T13510]  rawv6_setsockopt+0xb7/0x550
[ 1236.222193][T13510]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1236.222359][T13510]  ? find_held_lock+0x2c/0x110
[ 1236.222535][T13510]  ? kfree+0x2d/0x340
[ 1236.222664][T13510]  ? __lock_release+0x103/0x460
[ 1236.222831][T13510]  ? fd_install+0x1d1/0x5a0
[ 1236.223007][T13510]  do_sock_setsockopt+0x149/0x3a0
[ 1236.223175][T13510]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1236.223359][T13510]  __sys_setsockopt+0xec/0x160
[ 1236.223533][T13510]  __x64_sys_setsockopt+0xbd/0x160
[ 1236.223704][T13510]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1236.223913][T13510]  do_syscall_64+0xc1/0x1d0
[ 1236.224087][T13510]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1236.224301][T13510] RIP: 0033:0x7fc92010a91e
[ 1236.224479][T13510] 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
[ 1236.225069][T13510] RSP: 002b:00007ffe5f9a14d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1236.225326][T13510] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc92010a91e
[ 1236.225579][T13510] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1236.225812][T13510] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1236.226044][T13510] R10: 00007ffe5f9a14fc R11: 0000000000000246 R12: 0000000000000000
[ 1236.226292][T13510] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fc92020f000
[ 1236.226544][T13510]  </TASK>
[ 1236.229536][T13510] veth0: entered allmulticast mode
[ 1236.230158][T13510] veth1: entered allmulticast mode
[ 1236.230680][T13510] veth2: entered allmulticast mode
[ 1236.231070][T13510] veth3: entered allmulticast mode
[ 1236.231427][T13510] veth4: entered allmulticast mode
[ 1236.231753][T13510] veth5: entered allmulticast mode
[ 1262.462117][T13510] veth0: left allmulticast mode
[ 1262.462501][T13510] veth1: left allmulticast mode
[ 1262.462765][T13510] veth2: left allmulticast mode
[ 1262.463038][T13510] veth3: left allmulticast mode
[ 1262.463305][T13510] veth4: left allmulticast mode
[ 1262.463554][T13510] veth5: left allmulticast mode