[ 4322.903019][ T8695] sctp: Hash tables configured (bind 32/56)
[ 4350.902670][ T8876] 
[ 4350.902994][ T8876] =============================
[ 4350.903170][ T8876] WARNING: suspicious RCU usage
[ 4350.903365][ T8876] 6.12.0-rc6-virtme #1 Not tainted
[ 4350.903610][ T8876] -----------------------------
[ 4350.903780][ T8876] net/core/dev.c:876 RCU-list traversed in non-reader section!!
[ 4350.904032][ T8876] 
[ 4350.904032][ T8876] other info that might help us debug this:
[ 4350.904032][ T8876] 
[ 4350.904375][ T8876] 
[ 4350.904375][ T8876] rcu_scheduler_active = 2, debug_locks = 1
[ 4350.904637][ T8876] 1 lock held by sctp_hello/8876:
[ 4350.904818][ T8876]  #0: ffff88800c803b98 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_bind+0x1f/0xe0 [sctp]
[ 4350.905176][ T8876] 
[ 4350.905176][ T8876] stack backtrace:
[ 4350.905835][ T8876] CPU: 3 UID: 0 PID: 8876 Comm: sctp_hello Not tainted 6.12.0-rc6-virtme #1
[ 4350.906135][ T8876] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4350.906346][ T8876] Call Trace:
[ 4350.906479][ T8876]  <TASK>
[ 4350.906571][ T8876]  dump_stack_lvl+0xb0/0xd0
[ 4350.906755][ T8876]  lockdep_rcu_suspicious+0x1ea/0x280
[ 4350.906930][ T8876]  dev_get_by_index_rcu+0x14f/0x190
[ 4350.907100][ T8876]  sctp_v6_available+0xaf/0x3a0 [sctp]
[ 4350.907673][ T8876]  sctp_do_bind+0x128/0x5f0 [sctp]
[ 4350.907881][ T8876]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 4350.908099][ T8876]  sctp_bind+0x86/0xe0 [sctp]
[ 4350.908305][ T8876]  inet6_bind_sk+0xd0/0x1c0
[ 4350.908480][ T8876]  ? __pfx_inet6_bind_sk+0x10/0x10
[ 4350.908709][ T8876]  ? __might_fault+0x11b/0x170
[ 4350.908887][ T8876]  __sys_bind+0x114/0x1d0
[ 4350.909018][ T8876]  ? __pfx___sys_bind+0x10/0x10
[ 4350.909188][ T8876]  ? __up_read+0x1a7/0x780
[ 4350.909367][ T8876]  ? do_user_addr_fault+0x972/0xe30
[ 4350.909542][ T8876]  ? do_user_addr_fault+0x97c/0xe30
[ 4350.909715][ T8876]  __x64_sys_bind+0x72/0xb0
[ 4350.909884][ T8876]  do_syscall_64+0xc1/0x1d0
[ 4350.910060][ T8876]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 4350.910270][ T8876] RIP: 0033:0x7f022475cb2b
[ 4350.910452][ T8876] 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
[ 4350.911025][ T8876] RSP: 002b:00007ffcf6db1168 EFLAGS: 00000202 ORIG_RAX: 0000000000000031
[ 4350.911284][ T8876] RAX: ffffffffffffffda RBX: 00007ffcf6db1358 RCX: 00007f022475cb2b
[ 4350.911536][ T8876] RDX: 000000000000001c RSI: 00007ffcf6db11a0 RDI: 0000000000000005
[ 4350.911793][ T8876] RBP: 0000000000000005 R08: 1999999999999999 R09: 0000000000000000
[ 4350.912037][ T8876] R10: 00007f022472dd90 R11: 0000000000000202 R12: 00007ffcf6db29da
[ 4350.912282][ T8876] R13: 0000000000000000 R14: 0000000000403e00 R15: 00007f0224967000
[ 4350.912545][ T8876]  </TASK>