[ 6257.942090][T28407] sctp: Hash tables configured (bind 32/56)
[ 6299.564088][T28592] 
[ 6299.564401][T28592] =============================
[ 6299.565198][T28592] WARNING: suspicious RCU usage
[ 6299.565367][T28592] 6.12.0-rc5-virtme #1 Not tainted
[ 6299.565555][T28592] -----------------------------
[ 6299.565714][T28592] net/core/dev.c:876 RCU-list traversed in non-reader section!!
[ 6299.565945][T28592] 
[ 6299.565945][T28592] other info that might help us debug this:
[ 6299.565945][T28592] 
[ 6299.566251][T28592] 
[ 6299.566251][T28592] rcu_scheduler_active = 2, debug_locks = 1
[ 6299.566488][T28592] 1 lock held by sctp_hello/28592:
[ 6299.566668][T28592]  #0: ffff88800ec33b98 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_bind+0x1f/0xe0 [sctp]
[ 6299.567018][T28592] 
[ 6299.567018][T28592] stack backtrace:
[ 6299.567220][T28592] CPU: 1 UID: 0 PID: 28592 Comm: sctp_hello Not tainted 6.12.0-rc5-virtme #1
[ 6299.567530][T28592] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6299.568414][T28592] Call Trace:
[ 6299.568542][T28592]  <TASK>
[ 6299.568634][T28592]  dump_stack_lvl+0xb0/0xd0
[ 6299.568804][T28592]  lockdep_rcu_suspicious+0x1ea/0x280
[ 6299.568966][T28592]  dev_get_by_index_rcu+0x14f/0x190
[ 6299.569131][T28592]  sctp_v6_available+0xaf/0x3a0 [sctp]
[ 6299.569335][T28592]  sctp_do_bind+0x128/0x5f0 [sctp]
[ 6299.569534][T28592]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 6299.569736][T28592]  sctp_bind+0x86/0xe0 [sctp]
[ 6299.569934][T28592]  inet6_bind_sk+0xd0/0x1c0
[ 6299.570097][T28592]  ? __pfx_inet6_bind_sk+0x10/0x10
[ 6299.570258][T28592]  ? __might_fault+0x11b/0x170
[ 6299.570431][T28592]  __sys_bind+0x114/0x1d0
[ 6299.570558][T28592]  ? __pfx___sys_bind+0x10/0x10
[ 6299.570724][T28592]  ? __up_read+0x1a7/0x780
[ 6299.570900][T28592]  ? do_user_addr_fault+0x972/0xe30
[ 6299.571063][T28592]  ? do_user_addr_fault+0x97c/0xe30
[ 6299.571231][T28592]  __x64_sys_bind+0x72/0xb0
[ 6299.571396][T28592]  do_syscall_64+0xc1/0x1d0
[ 6299.571559][T28592]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 6299.571757][T28592] RIP: 0033:0x7f45b1fc8b2b
[ 6299.571923][T28592] 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
[ 6299.572477][T28592] RSP: 002b:00007ffc052b16d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000031
[ 6299.572730][T28592] RAX: ffffffffffffffda RBX: 00007ffc052b18c8 RCX: 00007f45b1fc8b2b
[ 6299.572968][T28592] RDX: 000000000000001c RSI: 00007ffc052b1710 RDI: 0000000000000005
[ 6299.573217][T28592] RBP: 0000000000000005 R08: 1999999999999999 R09: 0000000000000000
[ 6299.573452][T28592] R10: 00007f45b1f99d90 R11: 0000000000000206 R12: 00007ffc052b39da
[ 6299.573686][T28592] R13: 0000000000000000 R14: 0000000000403e00 R15: 00007f45b21d3000
[ 6299.573940][T28592]  </TASK>