[ 1287.580576][ T7832] 
[ 1287.580702][ T7832] =============================
[ 1287.580868][ T7832] WARNING: suspicious RCU usage
[ 1287.581022][ T7832] 6.12.0-rc7-virtme #1 Not tainted
[ 1287.581181][ T7832] -----------------------------
[ 1287.581337][ T7832] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1287.582454][ T7832] 
[ 1287.582454][ T7832] other info that might help us debug this:
[ 1287.582454][ T7832] 
[ 1287.582756][ T7832] 
[ 1287.582756][ T7832] rcu_scheduler_active = 2, debug_locks = 1
[ 1287.583010][ T7832] no locks held by smcrouted/7832.
[ 1287.583171][ T7832] 
[ 1287.583171][ T7832] stack backtrace:
[ 1287.583466][ T7832] CPU: 3 UID: 0 PID: 7832 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1287.583752][ T7832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1287.583959][ T7832] Call Trace:
[ 1287.584088][ T7832]  <TASK>
[ 1287.584174][ T7832]  dump_stack_lvl+0xb0/0xd0
[ 1287.584342][ T7832]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1287.584518][ T7832]  ip6mr_get_table+0x142/0x190
[ 1287.584693][ T7832]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1287.584862][ T7832]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1287.585075][ T7832]  ? __lock_release+0x103/0x460
[ 1287.585234][ T7832]  ? __might_fault+0x11b/0x170
[ 1287.585402][ T7832]  ? trace_lock_acquire+0x14d/0x1f0
[ 1287.585565][ T7832]  ? __might_fault+0xc3/0x170
[ 1287.585720][ T7832]  ? lock_acquire+0x32/0xc0
[ 1287.585875][ T7832]  ? __might_fault+0xc3/0x170
[ 1287.586045][ T7832]  ? __might_fault+0x11b/0x170
[ 1287.586202][ T7832]  do_ipv6_setsockopt+0x705/0x34e0
[ 1287.586375][ T7832]  ? __lock_release+0x10/0x460
[ 1287.586539][ T7832]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1287.586703][ T7832]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1287.586868][ T7832]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1287.587048][ T7832]  ? validate_chain+0x1fe/0xae0
[ 1287.587212][ T7832]  ? is_bpf_text_address+0x67/0x120
[ 1287.587389][ T7832]  ? __pfx_validate_chain+0x10/0x10
[ 1287.587551][ T7832]  ? hlock_class+0x4e/0x130
[ 1287.587908][ T7832]  ? mark_lock+0x38/0x3e0
[ 1287.588031][ T7832]  ? __lock_acquire+0xb3f/0x1580
[ 1287.588198][ T7832]  ? find_held_lock+0x2c/0x110
[ 1287.588370][ T7832]  ? ipv6_setsockopt+0x7f/0xe0
[ 1287.588545][ T7832]  ipv6_setsockopt+0x7f/0xe0
[ 1287.588713][ T7832]  rawv6_setsockopt+0xb7/0x550
[ 1287.588877][ T7832]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1287.589042][ T7832]  ? __lock_acquire+0xb3f/0x1580
[ 1287.589207][ T7832]  ? kfree+0x2d/0x340
[ 1287.589337][ T7832]  do_sock_setsockopt+0x149/0x3a0
[ 1287.589505][ T7832]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1287.589674][ T7832]  ? __lock_release+0x103/0x460
[ 1287.589837][ T7832]  ? fd_install+0x1d1/0x5a0
[ 1287.589996][ T7832]  ? trace_lock_acquire+0x14d/0x1f0
[ 1287.590155][ T7832]  ? fdget+0x52/0x1e0
[ 1287.590279][ T7832]  __sys_setsockopt+0x104/0x1a0
[ 1287.590440][ T7832]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1287.590600][ T7832]  ? __sys_socket+0x168/0x1e0
[ 1287.590761][ T7832]  ? __pfx___sys_socket+0x10/0x10
[ 1287.590916][ T7832]  ? do_user_addr_fault+0x374/0xe30
[ 1287.591081][ T7832]  __x64_sys_setsockopt+0xbd/0x160
[ 1287.591242][ T7832]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1287.591438][ T7832]  do_syscall_64+0xc1/0x1d0
[ 1287.591606][ T7832]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1287.591815][ T7832] RIP: 0033:0x7ffa0ebe691e
[ 1287.591988][ T7832] 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
[ 1287.592560][ T7832] RSP: 002b:00007ffe087d57a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1287.592804][ T7832] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffa0ebe691e
[ 1287.593044][ T7832] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1287.593273][ T7832] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1287.593508][ T7832] R10: 00007ffe087d57cc R11: 0000000000000246 R12: 0000000000000000
[ 1287.593743][ T7832] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007ffa0eceb000
[ 1287.593988][ T7832]  </TASK>
[ 1287.596347][ T7832] veth0: entered allmulticast mode
[ 1287.597962][ T7832] veth1: entered allmulticast mode
[ 1287.598286][ T7832] veth2: entered allmulticast mode
[ 1287.598608][ T7832] veth3: entered allmulticast mode
[ 1306.339700][ T7832] veth0: left allmulticast mode
[ 1306.340142][ T7832] veth1: left allmulticast mode
[ 1306.340515][ T7832] veth2: left allmulticast mode
[ 1306.340765][ T7832] veth3: left allmulticast mode