[ 1305.238283][ T7379] 
[ 1305.238508][ T7379] =============================
[ 1305.238774][ T7379] WARNING: suspicious RCU usage
[ 1305.239030][ T7379] 6.12.0-virtme #1 Not tainted
[ 1305.239310][ T7379] -----------------------------
[ 1305.239577][ T7379] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1305.239952][ T7379] 
[ 1305.239952][ T7379] other info that might help us debug this:
[ 1305.239952][ T7379] 
[ 1305.240477][ T7379] 
[ 1305.240477][ T7379] rcu_scheduler_active = 2, debug_locks = 1
[ 1305.240849][ T7379] no locks held by smcrouted/7379.
[ 1305.241085][ T7379] 
[ 1305.241085][ T7379] stack backtrace:
[ 1305.241282][ T7379] CPU: 0 UID: 0 PID: 7379 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1305.241610][ T7379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1305.241883][ T7379] Call Trace:
[ 1305.242081][ T7379]  <TASK>
[ 1305.242183][ T7379]  dump_stack_lvl+0xb0/0xd0
[ 1305.242441][ T7379]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1305.242711][ T7379]  ip6mr_get_table+0x142/0x190
[ 1305.242982][ T7379]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1305.243242][ T7379]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1305.243635][ T7379]  ? __lock_release+0x103/0x460
[ 1305.243850][ T7379]  ? __might_fault+0x11b/0x170
[ 1305.244103][ T7379]  ? trace_lock_acquire+0x14d/0x1f0
[ 1305.244356][ T7379]  ? __might_fault+0xc3/0x170
[ 1305.244604][ T7379]  ? lock_acquire+0x32/0xc0
[ 1305.244849][ T7379]  ? __might_fault+0xc3/0x170
[ 1305.245105][ T7379]  ? __might_fault+0x11b/0x170
[ 1305.245374][ T7379]  do_ipv6_setsockopt+0x705/0x34e0
[ 1305.245634][ T7379]  ? validate_chain+0x160/0xae0
[ 1305.245890][ T7379]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1305.246155][ T7379]  ? __pfx_validate_chain+0x10/0x10
[ 1305.246413][ T7379]  ? hlock_class+0x4e/0x130
[ 1305.246667][ T7379]  ? mark_lock+0x38/0x3e0
[ 1305.246878][ T7379]  ? __lock_acquire+0xb9a/0x1680
[ 1305.247136][ T7379]  ? find_held_lock+0x2c/0x110
[ 1305.247380][ T7379]  ? __lock_release+0x103/0x460
[ 1305.247654][ T7379]  ? __create_object+0x5e/0xb0
[ 1305.247909][ T7379]  ? __pfx___lock_release+0x10/0x10
[ 1305.248162][ T7379]  ? __pfx_validate_chain+0x10/0x10
[ 1305.248405][ T7379]  ? hlock_class+0x4e/0x130
[ 1305.248652][ T7379]  ? mark_lock+0x38/0x3e0
[ 1305.248848][ T7379]  ? ipv6_setsockopt+0x7f/0xe0
[ 1305.249095][ T7379]  ipv6_setsockopt+0x7f/0xe0
[ 1305.249346][ T7379]  rawv6_setsockopt+0xb7/0x550
[ 1305.249593][ T7379]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1305.249834][ T7379]  ? find_held_lock+0x2c/0x110
[ 1305.250084][ T7379]  ? kfree+0x2d/0x340
[ 1305.250266][ T7379]  ? __lock_release+0x103/0x460
[ 1305.250507][ T7379]  ? fd_install+0x1d1/0x5a0
[ 1305.250768][ T7379]  do_sock_setsockopt+0x149/0x3a0
[ 1305.251017][ T7379]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1305.251288][ T7379]  __sys_setsockopt+0xec/0x160
[ 1305.251544][ T7379]  __x64_sys_setsockopt+0xbd/0x160
[ 1305.251790][ T7379]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1305.252107][ T7379]  do_syscall_64+0xc1/0x1d0
[ 1305.252357][ T7379]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1305.252655][ T7379] RIP: 0033:0x7f607f7e391e
[ 1305.252919][ T7379] 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
[ 1305.253776][ T7379] RSP: 002b:00007ffe499934a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1305.254188][ T7379] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f607f7e391e
[ 1305.254548][ T7379] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1305.254924][ T7379] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1305.255283][ T7379] R10: 00007ffe499934cc R11: 0000000000000246 R12: 0000000000000000
[ 1305.255639][ T7379] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f607f8e8000
[ 1305.256033][ T7379]  </TASK>
[ 1305.259907][ T7379] veth0: entered allmulticast mode
[ 1305.260784][ T7379] veth1: entered allmulticast mode
[ 1305.261302][ T7379] veth2: entered allmulticast mode
[ 1305.261831][ T7379] veth3: entered allmulticast mode
[ 1324.790158][ T7379] veth0: left allmulticast mode
[ 1324.790678][ T7379] veth1: left allmulticast mode
[ 1324.790939][ T7379] veth2: left allmulticast mode
[ 1324.791286][ T7379] veth3: left allmulticast mode