[ 1327.201523][ T8369] 
[ 1327.201687][ T8369] =============================
[ 1327.201885][ T8369] WARNING: suspicious RCU usage
[ 1327.202084][ T8369] 6.12.0-virtme #1 Not tainted
[ 1327.202283][ T8369] -----------------------------
[ 1327.202488][ T8369] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1327.202781][ T8369] 
[ 1327.202781][ T8369] other info that might help us debug this:
[ 1327.202781][ T8369] 
[ 1327.203162][ T8369] 
[ 1327.203162][ T8369] rcu_scheduler_active = 2, debug_locks = 1
[ 1327.203445][ T8369] no locks held by smcrouted/8369.
[ 1327.204522][ T8369] 
[ 1327.204522][ T8369] stack backtrace:
[ 1327.204770][ T8369] CPU: 3 UID: 0 PID: 8369 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1327.205051][ T8369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1327.205293][ T8369] Call Trace:
[ 1327.205441][ T8369]  <TASK>
[ 1327.205566][ T8369]  dump_stack_lvl+0xb0/0xd0
[ 1327.205770][ T8369]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1327.205978][ T8369]  ip6mr_get_table+0x142/0x190
[ 1327.206177][ T8369]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1327.206379][ T8369]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1327.206623][ T8369]  ? __lock_release+0x103/0x460
[ 1327.206820][ T8369]  ? __might_fault+0x11b/0x170
[ 1327.207023][ T8369]  ? trace_lock_acquire+0x14d/0x1f0
[ 1327.207222][ T8369]  ? __might_fault+0xc3/0x170
[ 1327.207419][ T8369]  ? lock_acquire+0x32/0xc0
[ 1327.207609][ T8369]  ? __might_fault+0xc3/0x170
[ 1327.207798][ T8369]  ? __might_fault+0x11b/0x170
[ 1327.207996][ T8369]  do_ipv6_setsockopt+0x705/0x34e0
[ 1327.208188][ T8369]  ? validate_chain+0x160/0xae0
[ 1327.208381][ T8369]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1327.208577][ T8369]  ? __pfx_validate_chain+0x10/0x10
[ 1327.208766][ T8369]  ? hlock_class+0x4e/0x130
[ 1327.208954][ T8369]  ? mark_lock+0x38/0x3e0
[ 1327.209113][ T8369]  ? __lock_acquire+0xb9a/0x1680
[ 1327.209311][ T8369]  ? find_held_lock+0x2c/0x110
[ 1327.209502][ T8369]  ? __lock_release+0x103/0x460
[ 1327.209688][ T8369]  ? __create_object+0x5e/0xb0
[ 1327.209878][ T8369]  ? __pfx___lock_release+0x10/0x10
[ 1327.210066][ T8369]  ? __pfx_validate_chain+0x10/0x10
[ 1327.210254][ T8369]  ? hlock_class+0x4e/0x130
[ 1327.210445][ T8369]  ? mark_lock+0x38/0x3e0
[ 1327.210597][ T8369]  ? ipv6_setsockopt+0x7f/0xe0
[ 1327.210792][ T8369]  ipv6_setsockopt+0x7f/0xe0
[ 1327.210994][ T8369]  rawv6_setsockopt+0xb7/0x550
[ 1327.211184][ T8369]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1327.211374][ T8369]  ? find_held_lock+0x2c/0x110
[ 1327.211577][ T8369]  ? kfree+0x2d/0x340
[ 1327.211730][ T8369]  ? __lock_release+0x103/0x460
[ 1327.211925][ T8369]  ? fd_install+0x1d1/0x5a0
[ 1327.212120][ T8369]  do_sock_setsockopt+0x149/0x3a0
[ 1327.212313][ T8369]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1327.212535][ T8369]  __sys_setsockopt+0xec/0x160
[ 1327.212739][ T8369]  __x64_sys_setsockopt+0xbd/0x160
[ 1327.212936][ T8369]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1327.213170][ T8369]  do_syscall_64+0xc1/0x1d0
[ 1327.213362][ T8369]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1327.213604][ T8369] RIP: 0033:0x7f726887191e
[ 1327.213810][ T8369] 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
[ 1327.214481][ T8369] RSP: 002b:00007ffc57ffadc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1327.214769][ T8369] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f726887191e
[ 1327.215058][ T8369] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1327.215352][ T8369] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1327.215657][ T8369] R10: 00007ffc57ffadec R11: 0000000000000246 R12: 0000000000000000
[ 1327.215944][ T8369] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f7268976000
[ 1327.216246][ T8369]  </TASK>
[ 1327.220451][ T8369] veth0: entered allmulticast mode
[ 1327.221802][ T8369] veth1: entered allmulticast mode
[ 1327.222594][ T8369] veth2: entered allmulticast mode
[ 1327.223347][ T8369] veth3: entered allmulticast mode
[ 1327.224012][ T8369] veth4: entered allmulticast mode
[ 1327.224704][ T8369] veth5: entered allmulticast mode
[ 1353.804944][ T8369] veth0: left allmulticast mode
[ 1353.805279][ T8369] veth1: left allmulticast mode
[ 1353.805554][ T8369] veth2: left allmulticast mode
[ 1353.805796][ T8369] veth3: left allmulticast mode
[ 1353.806033][ T8369] veth4: left allmulticast mode
[ 1353.806275][ T8369] veth5: left allmulticast mode