[ 1256.858163][T13250] 
[ 1256.858375][T13250] =============================
[ 1256.858658][T13250] WARNING: suspicious RCU usage
[ 1256.858924][T13250] 6.12.0-virtme #1 Not tainted
[ 1256.859199][T13250] -----------------------------
[ 1256.859484][T13250] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1256.859876][T13250] 
[ 1256.859876][T13250] other info that might help us debug this:
[ 1256.859876][T13250] 
[ 1256.860387][T13250] 
[ 1256.860387][T13250] rcu_scheduler_active = 2, debug_locks = 1
[ 1256.860796][T13250] no locks held by smcrouted/13250.
[ 1256.861048][T13250] 
[ 1256.861048][T13250] stack backtrace:
[ 1256.861377][T13250] CPU: 3 UID: 0 PID: 13250 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1256.861795][T13250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1256.862122][T13250] Call Trace:
[ 1256.862329][T13250]  <TASK>
[ 1256.862472][T13250]  dump_stack_lvl+0xb0/0xd0
[ 1256.862670][T13250]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1256.862867][T13250]  ip6mr_get_table+0x142/0x190
[ 1256.863084][T13250]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1256.863250][T13250]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1256.863470][T13250]  ? __lock_release+0x103/0x460
[ 1256.863643][T13250]  ? __might_fault+0x11b/0x170
[ 1256.863815][T13250]  ? trace_lock_acquire+0x14d/0x1f0
[ 1256.864007][T13250]  ? __might_fault+0xc3/0x170
[ 1256.864172][T13250]  ? lock_acquire+0x32/0xc0
[ 1256.864335][T13250]  ? __might_fault+0xc3/0x170
[ 1256.864496][T13250]  ? __might_fault+0x11b/0x170
[ 1256.864671][T13250]  do_ipv6_setsockopt+0x705/0x34e0
[ 1256.864843][T13250]  ? validate_chain+0x160/0xae0
[ 1256.865111][T13250]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1256.865382][T13250]  ? __pfx_validate_chain+0x10/0x10
[ 1256.865541][T13250]  ? hlock_class+0x4e/0x130
[ 1256.865713][T13250]  ? mark_lock+0x38/0x3e0
[ 1256.865847][T13250]  ? __lock_acquire+0xb9a/0x1680
[ 1256.866030][T13250]  ? find_held_lock+0x2c/0x110
[ 1256.866200][T13250]  ? __lock_release+0x103/0x460
[ 1256.866362][T13250]  ? __create_object+0x5e/0xb0
[ 1256.866594][T13250]  ? __pfx___lock_release+0x10/0x10
[ 1256.866861][T13250]  ? __pfx_validate_chain+0x10/0x10
[ 1256.867123][T13250]  ? hlock_class+0x4e/0x130
[ 1256.867375][T13250]  ? mark_lock+0x38/0x3e0
[ 1256.867576][T13250]  ? ipv6_setsockopt+0x7f/0xe0
[ 1256.867821][T13250]  ipv6_setsockopt+0x7f/0xe0
[ 1256.868076][T13250]  rawv6_setsockopt+0xb7/0x550
[ 1256.868336][T13250]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1256.868597][T13250]  ? find_held_lock+0x2c/0x110
[ 1256.868864][T13250]  ? kfree+0x2d/0x340
[ 1256.869059][T13250]  ? __lock_release+0x103/0x460
[ 1256.869317][T13250]  ? fd_install+0x1d1/0x5a0
[ 1256.869583][T13250]  do_sock_setsockopt+0x149/0x3a0
[ 1256.869839][T13250]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1256.870127][T13250]  __sys_setsockopt+0xec/0x160
[ 1256.870393][T13250]  __x64_sys_setsockopt+0xbd/0x160
[ 1256.870649][T13250]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1256.870968][T13250]  do_syscall_64+0xc1/0x1d0
[ 1256.871237][T13250]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1256.871554][T13250] RIP: 0033:0x7f0ce875191e
[ 1256.871827][T13250] 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
[ 1256.872700][T13250] RSP: 002b:00007ffcedf365b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1256.872968][T13250] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ce875191e
[ 1256.873279][T13250] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1256.873530][T13250] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1256.873764][T13250] R10: 00007ffcedf365dc R11: 0000000000000246 R12: 0000000000000000
[ 1256.874079][T13250] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f0ce8856000
[ 1256.874495][T13250]  </TASK>
[ 1256.877817][T13250] veth0: entered allmulticast mode
[ 1256.878361][T13250] veth1: entered allmulticast mode
[ 1256.878715][T13250] veth2: entered allmulticast mode
[ 1256.879170][T13250] veth3: entered allmulticast mode
[ 1256.879731][T13250] veth4: entered allmulticast mode
[ 1256.880285][T13250] veth5: entered allmulticast mode
[ 1285.559492][T13250] veth0: left allmulticast mode
[ 1285.559805][T13250] veth1: left allmulticast mode
[ 1285.560053][T13250] veth2: left allmulticast mode
[ 1285.560296][T13250] veth3: left allmulticast mode
[ 1285.560590][T13250] veth4: left allmulticast mode
[ 1285.560846][T13250] veth5: left allmulticast mode