[ 6215.478517][T22129] sctp: Hash tables configured (bind 32/56)
[ 6258.752604][T22314] 
[ 6258.754393][T22314] =============================
[ 6258.754714][T22314] WARNING: suspicious RCU usage
[ 6258.754936][T22314] 6.12.0-rc4-virtme #1 Not tainted
[ 6258.755140][T22314] -----------------------------
[ 6258.755342][T22314] net/core/dev.c:876 RCU-list traversed in non-reader section!!
[ 6258.755590][T22314] 
[ 6258.755590][T22314] other info that might help us debug this:
[ 6258.755590][T22314] 
[ 6258.755927][T22314] 
[ 6258.755927][T22314] rcu_scheduler_active = 2, debug_locks = 1
[ 6258.756182][T22314] 1 lock held by sctp_hello/22314:
[ 6258.756385][T22314]  #0: ffff888009dbbb98 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_bind+0x1f/0xe0 [sctp]
[ 6258.756795][T22314] 
[ 6258.756795][T22314] stack backtrace:
[ 6258.757013][T22314] CPU: 3 UID: 0 PID: 22314 Comm: sctp_hello Not tainted 6.12.0-rc4-virtme #1
[ 6258.757312][T22314] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6258.757693][T22314] Call Trace:
[ 6258.757827][T22314]  <TASK>
[ 6258.757920][T22314]  dump_stack_lvl+0xb0/0xd0
[ 6258.758109][T22314]  lockdep_rcu_suspicious+0x1ea/0x280
[ 6258.758285][T22314]  dev_get_by_index_rcu+0x14f/0x190
[ 6258.758462][T22314]  sctp_v6_available+0xaf/0x3a0 [sctp]
[ 6258.758670][T22314]  sctp_do_bind+0x128/0x5f0 [sctp]
[ 6258.758876][T22314]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 6258.759095][T22314]  sctp_bind+0x86/0xe0 [sctp]
[ 6258.759300][T22314]  inet6_bind_sk+0xd0/0x1c0
[ 6258.759478][T22314]  ? __pfx_inet6_bind_sk+0x10/0x10
[ 6258.759650][T22314]  ? __might_fault+0xc3/0x170
[ 6258.759839][T22314]  __sys_bind+0x114/0x1d0
[ 6258.759983][T22314]  ? __pfx___sys_bind+0x10/0x10
[ 6258.760161][T22314]  ? __up_read+0x1a7/0x780
[ 6258.760344][T22314]  ? do_user_addr_fault+0x972/0xe30
[ 6258.760527][T22314]  ? do_user_addr_fault+0x97c/0xe30
[ 6258.760707][T22314]  __x64_sys_bind+0x72/0xb0
[ 6258.760883][T22314]  do_syscall_64+0xc1/0x1d0
[ 6258.761062][T22314]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 6258.761291][T22314] RIP: 0033:0x7f0c276f5b2b
[ 6258.761479][T22314] 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
[ 6258.762087][T22314] RSP: 002b:00007fff2985f598 EFLAGS: 00000202 ORIG_RAX: 0000000000000031
[ 6258.762358][T22314] RAX: ffffffffffffffda RBX: 00007fff2985f788 RCX: 00007f0c276f5b2b
[ 6258.762616][T22314] RDX: 000000000000001c RSI: 00007fff2985f5d0 RDI: 0000000000000005
[ 6258.762883][T22314] RBP: 0000000000000005 R08: 1999999999999999 R09: 0000000000000000
[ 6258.763148][T22314] R10: 00007f0c276c6d90 R11: 0000000000000202 R12: 00007fff298619ee
[ 6258.763410][T22314] R13: 0000000000000000 R14: 0000000000403e00 R15: 00007f0c27900000
[ 6258.763691][T22314]  </TASK>