[ 1339.627168][T17437] 
[ 1339.627331][T17437] =============================
[ 1339.627498][T17437] WARNING: suspicious RCU usage
[ 1339.627663][T17437] 6.12.0-virtme #1 Not tainted
[ 1339.627829][T17437] -----------------------------
[ 1339.627995][T17437] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1339.628223][T17437] 
[ 1339.628223][T17437] other info that might help us debug this:
[ 1339.628223][T17437] 
[ 1339.628547][T17437] 
[ 1339.628547][T17437] rcu_scheduler_active = 2, debug_locks = 1
[ 1339.628798][T17437] no locks held by smcrouted/17437.
[ 1339.628958][T17437] 
[ 1339.628958][T17437] stack backtrace:
[ 1339.629172][T17437] CPU: 3 UID: 0 PID: 17437 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1339.629413][T17437] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1339.629614][T17437] Call Trace:
[ 1339.629737][T17437]  <TASK>
[ 1339.629826][T17437]  dump_stack_lvl+0xb0/0xd0
[ 1339.630000][T17437]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1339.630167][T17437]  ip6mr_get_table+0x142/0x190
[ 1339.630326][T17437]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1339.630487][T17437]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1339.630686][T17437]  ? __lock_release+0x103/0x460
[ 1339.630856][T17437]  ? __might_fault+0x11b/0x170
[ 1339.631020][T17437]  ? trace_lock_acquire+0x14d/0x1f0
[ 1339.631180][T17437]  ? __might_fault+0xc3/0x170
[ 1339.631336][T17437]  ? lock_acquire+0x32/0xc0
[ 1339.631489][T17437]  ? __might_fault+0xc3/0x170
[ 1339.631645][T17437]  ? __might_fault+0x11b/0x170
[ 1339.631810][T17437]  do_ipv6_setsockopt+0x705/0x34e0
[ 1339.631971][T17437]  ? validate_chain+0x160/0xae0
[ 1339.632128][T17437]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1339.632293][T17437]  ? __pfx_validate_chain+0x10/0x10
[ 1339.632449][T17437]  ? hlock_class+0x4e/0x130
[ 1339.632604][T17437]  ? mark_lock+0x38/0x3e0
[ 1339.632728][T17437]  ? __lock_acquire+0xb9a/0x1680
[ 1339.632893][T17437]  ? find_held_lock+0x2c/0x110
[ 1339.633063][T17437]  ? __lock_release+0x103/0x460
[ 1339.633218][T17437]  ? __create_object+0x5e/0xb0
[ 1339.633380][T17437]  ? __pfx___lock_release+0x10/0x10
[ 1339.633540][T17437]  ? __pfx_validate_chain+0x10/0x10
[ 1339.633696][T17437]  ? hlock_class+0x4e/0x130
[ 1339.633852][T17437]  ? mark_lock+0x38/0x3e0
[ 1339.633976][T17437]  ? ipv6_setsockopt+0x7f/0xe0
[ 1339.634134][T17437]  ipv6_setsockopt+0x7f/0xe0
[ 1339.634295][T17437]  rawv6_setsockopt+0xb7/0x550
[ 1339.634454][T17437]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1339.634608][T17437]  ? find_held_lock+0x2c/0x110
[ 1339.634767][T17437]  ? kfree+0x2d/0x340
[ 1339.634890][T17437]  ? __lock_release+0x103/0x460
[ 1339.635044][T17437]  ? fd_install+0x1d1/0x5a0
[ 1339.635206][T17437]  do_sock_setsockopt+0x149/0x3a0
[ 1339.635365][T17437]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1339.635537][T17437]  __sys_setsockopt+0xec/0x160
[ 1339.635699][T17437]  __x64_sys_setsockopt+0xbd/0x160
[ 1339.635855][T17437]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1339.636049][T17437]  do_syscall_64+0xc1/0x1d0
[ 1339.636218][T17437]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1339.636411][T17437] RIP: 0033:0x7fd68fdbc91e
[ 1339.636576][T17437] 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
[ 1339.637118][T17437] RSP: 002b:00007ffd3ebee438 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1339.637357][T17437] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd68fdbc91e
[ 1339.637597][T17437] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1339.637831][T17437] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1339.638065][T17437] R10: 00007ffd3ebee45c R11: 0000000000000246 R12: 0000000000000000
[ 1339.638298][T17437] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fd68fec1000
[ 1339.638549][T17437]  </TASK>
[ 1339.642183][T17437] veth0: entered allmulticast mode
[ 1339.644276][T17437] veth1: entered allmulticast mode
[ 1339.645812][T17437] veth2: entered allmulticast mode
[ 1339.646177][T17437] veth3: entered allmulticast mode
[ 1339.646997][T17437] veth4: entered allmulticast mode
[ 1339.647370][T17437] veth5: entered allmulticast mode
[ 1365.425988][T17437] veth0: left allmulticast mode
[ 1365.426397][T17437] veth1: left allmulticast mode
[ 1365.426639][T17437] veth2: left allmulticast mode
[ 1365.426869][T17437] veth3: left allmulticast mode
[ 1365.427095][T17437] veth4: left allmulticast mode
[ 1365.427332][T17437] veth5: left allmulticast mode