[ 4297.125256][ T4121] 
[ 4297.125650][ T4121] =============================
[ 4297.125871][ T4121] WARNING: suspicious RCU usage
[ 4297.126040][ T4121] 6.12.0-rc6-virtme #1 Not tainted
[ 4297.126223][ T4121] -----------------------------
[ 4297.126392][ T4121] net/core/dev.c:876 RCU-list traversed in non-reader section!!
[ 4297.126647][ T4121] 
[ 4297.126647][ T4121] other info that might help us debug this:
[ 4297.126647][ T4121] 
[ 4297.126978][ T4121] 
[ 4297.126978][ T4121] rcu_scheduler_active = 2, debug_locks = 1
[ 4297.127647][ T4121] 1 lock held by sctp_hello/4121:
[ 4297.127822][ T4121]  #0: ffff88801269ce98 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_bind+0x1f/0xe0 [sctp]
[ 4297.128189][ T4121] 
[ 4297.128189][ T4121] stack backtrace:
[ 4297.128398][ T4121] CPU: 3 UID: 0 PID: 4121 Comm: sctp_hello Not tainted 6.12.0-rc6-virtme #1
[ 4297.129307][ T4121] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4297.129520][ T4121] Call Trace:
[ 4297.129652][ T4121]  <TASK>
[ 4297.129744][ T4121]  dump_stack_lvl+0xb0/0xd0
[ 4297.129928][ T4121]  lockdep_rcu_suspicious+0x1ea/0x280
[ 4297.130104][ T4121]  dev_get_by_index_rcu+0x14f/0x190
[ 4297.130276][ T4121]  sctp_v6_available+0xaf/0x3a0 [sctp]
[ 4297.130488][ T4121]  sctp_do_bind+0x128/0x5f0 [sctp]
[ 4297.130695][ T4121]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 4297.130919][ T4121]  sctp_bind+0x86/0xe0 [sctp]
[ 4297.131124][ T4121]  inet6_bind_sk+0xd0/0x1c0
[ 4297.131297][ T4121]  ? __pfx_inet6_bind_sk+0x10/0x10
[ 4297.131470][ T4121]  ? __might_fault+0x11b/0x170
[ 4297.131647][ T4121]  __sys_bind+0x114/0x1d0
[ 4297.131777][ T4121]  ? __pfx___sys_bind+0x10/0x10
[ 4297.131947][ T4121]  ? __up_read+0x1a7/0x780
[ 4297.132125][ T4121]  ? do_user_addr_fault+0x972/0xe30
[ 4297.132303][ T4121]  ? do_user_addr_fault+0x97c/0xe30
[ 4297.132474][ T4121]  __x64_sys_bind+0x72/0xb0
[ 4297.132642][ T4121]  do_syscall_64+0xc1/0x1d0
[ 4297.132814][ T4121]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 4297.133026][ T4121] RIP: 0033:0x7fc47c8e0b2b
[ 4297.133199][ T4121] 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
[ 4297.133777][ T4121] RSP: 002b:00007ffe3d740288 EFLAGS: 00000206 ORIG_RAX: 0000000000000031
[ 4297.134029][ T4121] RAX: ffffffffffffffda RBX: 00007ffe3d740478 RCX: 00007fc47c8e0b2b
[ 4297.134279][ T4121] RDX: 000000000000001c RSI: 00007ffe3d7402c0 RDI: 0000000000000005
[ 4297.134531][ T4121] RBP: 0000000000000005 R08: 1999999999999999 R09: 0000000000000000
[ 4297.134781][ T4121] R10: 00007fc47c8b1d90 R11: 0000000000000206 R12: 00007ffe3d7419da
[ 4297.135029][ T4121] R13: 0000000000000000 R14: 0000000000403e00 R15: 00007fc47caeb000
[ 4297.135292][ T4121]  </TASK>