[ 6192.707646][T30111] sctp: Hash tables configured (bind 32/56)
[ 6235.133665][T30292] 
[ 6235.133998][T30292] =============================
[ 6235.134178][T30292] WARNING: suspicious RCU usage
[ 6235.135659][T30292] 6.12.0-rc6-virtme #1 Not tainted
[ 6235.135867][T30292] -----------------------------
[ 6235.136040][T30292] net/core/dev.c:876 RCU-list traversed in non-reader section!!
[ 6235.136399][T30292] 
[ 6235.136399][T30292] other info that might help us debug this:
[ 6235.136399][T30292] 
[ 6235.136750][T30292] 
[ 6235.136750][T30292] rcu_scheduler_active = 2, debug_locks = 1
[ 6235.137020][T30292] 1 lock held by sctp_hello/30292:
[ 6235.137196][T30292]  #0: ffff888007f6a898 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_bind+0x1f/0xe0 [sctp]
[ 6235.137685][T30292] 
[ 6235.137685][T30292] stack backtrace:
[ 6235.137906][T30292] CPU: 1 UID: 0 PID: 30292 Comm: sctp_hello Not tainted 6.12.0-rc6-virtme #1
[ 6235.138299][T30292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6235.138722][T30292] Call Trace:
[ 6235.138860][T30292]  <TASK>
[ 6235.138960][T30292]  dump_stack_lvl+0xb0/0xd0
[ 6235.139145][T30292]  lockdep_rcu_suspicious+0x1ea/0x280
[ 6235.139332][T30292]  dev_get_by_index_rcu+0x14f/0x190
[ 6235.139511][T30292]  sctp_v6_available+0xaf/0x3a0 [sctp]
[ 6235.139722][T30292]  sctp_do_bind+0x128/0x5f0 [sctp]
[ 6235.139934][T30292]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 6235.140166][T30292]  sctp_bind+0x86/0xe0 [sctp]
[ 6235.140380][T30292]  inet6_bind_sk+0xd0/0x1c0
[ 6235.140559][T30292]  ? __pfx_inet6_bind_sk+0x10/0x10
[ 6235.140743][T30292]  ? __might_fault+0x11b/0x170
[ 6235.140931][T30292]  __sys_bind+0x114/0x1d0
[ 6235.141066][T30292]  ? __pfx___sys_bind+0x10/0x10
[ 6235.141239][T30292]  ? __up_read+0x1a7/0x780
[ 6235.141430][T30292]  ? do_user_addr_fault+0x972/0xe30
[ 6235.141610][T30292]  ? do_user_addr_fault+0x97c/0xe30
[ 6235.141797][T30292]  __x64_sys_bind+0x72/0xb0
[ 6235.141980][T30292]  do_syscall_64+0xc1/0x1d0
[ 6235.142163][T30292]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 6235.142385][T30292] RIP: 0033:0x7f7b0c9c3b2b
[ 6235.142570][T30292] Code: 73 01 c3 48 8b 0d d5 92 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 31 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a5 92 1b 00 f7 d8 64 89 01 48
[ 6235.143172][T30292] RSP: 002b:00007ffc30059678 EFLAGS: 00000206 ORIG_RAX: 0000000000000031
[ 6235.143453][T30292] RAX: ffffffffffffffda RBX: 00007ffc30059868 RCX: 00007f7b0c9c3b2b
[ 6235.143717][T30292] RDX: 000000000000001c RSI: 00007ffc300596b0 RDI: 0000000000000005
[ 6235.143984][T30292] RBP: 0000000000000005 R08: 1999999999999999 R09: 0000000000000000
[ 6235.144244][T30292] R10: 00007f7b0c994d90 R11: 0000000000000206 R12: 00007ffc3005a9da
[ 6235.144515][T30292] R13: 0000000000000000 R14: 0000000000403e00 R15: 00007f7b0cbce000
[ 6235.144797][T30292]  </TASK>