[ 1218.903807][T14579] 
[ 1218.903948][T14579] =============================
[ 1218.904143][T14579] WARNING: suspicious RCU usage
[ 1218.904300][T14579] 6.12.0-virtme #1 Not tainted
[ 1218.904460][T14579] -----------------------------
[ 1218.904620][T14579] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1218.904861][T14579] 
[ 1218.904861][T14579] other info that might help us debug this:
[ 1218.904861][T14579] 
[ 1218.905191][T14579] 
[ 1218.905191][T14579] rcu_scheduler_active = 2, debug_locks = 1
[ 1218.905434][T14579] no locks held by smcrouted/14579.
[ 1218.905610][T14579] 
[ 1218.905610][T14579] stack backtrace:
[ 1218.905832][T14579] CPU: 3 UID: 0 PID: 14579 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1218.906070][T14579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1218.906271][T14579] Call Trace:
[ 1218.906393][T14579]  <TASK>
[ 1218.906478][T14579]  dump_stack_lvl+0xb0/0xd0
[ 1218.906645][T14579]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1218.906807][T14579]  ip6mr_get_table+0x142/0x190
[ 1218.906969][T14579]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1218.907128][T14579]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1218.907332][T14579]  ? __lock_release+0x103/0x460
[ 1218.907488][T14579]  ? __might_fault+0x11b/0x170
[ 1218.907649][T14579]  ? trace_lock_acquire+0x14d/0x1f0
[ 1218.907808][T14579]  ? __might_fault+0xc3/0x170
[ 1218.907964][T14579]  ? lock_acquire+0x32/0xc0
[ 1218.908120][T14579]  ? __might_fault+0xc3/0x170
[ 1218.908284][T14579]  ? __might_fault+0x11b/0x170
[ 1218.908452][T14579]  do_ipv6_setsockopt+0x705/0x34e0
[ 1218.908612][T14579]  ? validate_chain+0x130/0xae0
[ 1218.908770][T14579]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1218.908932][T14579]  ? __pfx_validate_chain+0x10/0x10
[ 1218.909088][T14579]  ? hlock_class+0x4e/0x130
[ 1218.909253][T14579]  ? mark_lock+0x38/0x3e0
[ 1218.909377][T14579]  ? __lock_acquire+0xb9a/0x1680
[ 1218.909542][T14579]  ? find_held_lock+0x2c/0x110
[ 1218.909705][T14579]  ? __lock_release+0x103/0x460
[ 1218.909858][T14579]  ? __create_object+0x5e/0xb0
[ 1218.910016][T14579]  ? __pfx___lock_release+0x10/0x10
[ 1218.910172][T14579]  ? __pfx_validate_chain+0x10/0x10
[ 1218.910327][T14579]  ? hlock_class+0x4e/0x130
[ 1218.910479][T14579]  ? mark_lock+0x38/0x3e0
[ 1218.910603][T14579]  ? ipv6_setsockopt+0x7f/0xe0
[ 1218.910762][T14579]  ipv6_setsockopt+0x7f/0xe0
[ 1218.910919][T14579]  rawv6_setsockopt+0xb7/0x550
[ 1218.911081][T14579]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1218.911236][T14579]  ? find_held_lock+0x2c/0x110
[ 1218.911397][T14579]  ? kfree+0x2d/0x340
[ 1218.911517][T14579]  ? __lock_release+0x103/0x460
[ 1218.911672][T14579]  ? fd_install+0x1d1/0x5a0
[ 1218.911832][T14579]  do_sock_setsockopt+0x149/0x3a0
[ 1218.911990][T14579]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1218.912159][T14579]  __sys_setsockopt+0xec/0x160
[ 1218.912327][T14579]  __x64_sys_setsockopt+0xbd/0x160
[ 1218.912483][T14579]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1218.912681][T14579]  do_syscall_64+0xc1/0x1d0
[ 1218.912843][T14579]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1218.913035][T14579] RIP: 0033:0x7fcf98c4e91e
[ 1218.913201][T14579] 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
[ 1218.913753][T14579] RSP: 002b:00007ffd0a3ae648 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1218.913992][T14579] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcf98c4e91e
[ 1218.914227][T14579] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1218.914471][T14579] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1218.914710][T14579] R10: 00007ffd0a3ae66c R11: 0000000000000246 R12: 0000000000000000
[ 1218.914943][T14579] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fcf98d53000
[ 1218.915191][T14579]  </TASK>
[ 1218.919711][T14579] veth0: entered allmulticast mode
[ 1218.920228][T14579] veth1: entered allmulticast mode
[ 1218.920553][T14579] veth2: entered allmulticast mode
[ 1218.922475][T14579] veth3: entered allmulticast mode
[ 1218.922943][T14579] veth4: entered allmulticast mode
[ 1218.923345][T14579] veth5: entered allmulticast mode
[ 1244.418198][T14579] veth0: left allmulticast mode
[ 1244.418545][T14579] veth1: left allmulticast mode
[ 1244.418910][T14579] veth2: left allmulticast mode
[ 1244.419274][T14579] veth3: left allmulticast mode
[ 1244.419654][T14579] veth4: left allmulticast mode
[ 1244.420055][T14579] veth5: left allmulticast mode