[ 37.705581][ T896] sctp: Hash tables configured (bind 32/56) [ 58.192065][ T1053] sctp_hello (1053) used greatest stack depth: 23648 bytes left [ 65.952888][ T1077] [ 65.953228][ T1077] ============================= [ 65.953401][ T1077] WARNING: suspicious RCU usage [ 65.953577][ T1077] 6.12.0-rc6-virtme #1 Not tainted [ 65.953765][ T1077] ----------------------------- [ 65.953937][ T1077] net/core/dev.c:876 RCU-list traversed in non-reader section!! [ 65.954190][ T1077] [ 65.954190][ T1077] other info that might help us debug this: [ 65.954190][ T1077] [ 65.954516][ T1077] [ 65.954516][ T1077] rcu_scheduler_active = 2, debug_locks = 1 [ 65.955467][ T1077] 1 lock held by sctp_hello/1077: [ 65.955668][ T1077] #0: ffff888033d1a898 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_bind+0x1f/0xe0 [sctp] [ 65.956032][ T1077] [ 65.956032][ T1077] stack backtrace: [ 65.956245][ T1077] CPU: 3 UID: 0 PID: 1077 Comm: sctp_hello Not tainted 6.12.0-rc6-virtme #1 [ 65.956534][ T1077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.956757][ T1077] Call Trace: [ 65.956897][ T1077] [ 65.956994][ T1077] dump_stack_lvl+0xb0/0xd0 [ 65.957178][ T1077] lockdep_rcu_suspicious+0x1ea/0x280 [ 65.957364][ T1077] dev_get_by_index_rcu+0x14f/0x190 [ 65.957544][ T1077] sctp_v6_available+0xaf/0x3a0 [sctp] [ 65.957756][ T1077] sctp_do_bind+0x128/0x5f0 [sctp] [ 65.957963][ T1077] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 65.958499][ T1077] sctp_bind+0x86/0xe0 [sctp] [ 65.958710][ T1077] inet6_bind_sk+0xd0/0x1c0 [ 65.958877][ T1077] ? __pfx_inet6_bind_sk+0x10/0x10 [ 65.959048][ T1077] ? __might_fault+0x11b/0x170 [ 65.959226][ T1077] __sys_bind+0x114/0x1d0 [ 65.959354][ T1077] ? __pfx___sys_bind+0x10/0x10 [ 65.959521][ T1077] ? __up_read+0x1a7/0x780 [ 65.959699][ T1077] ? do_user_addr_fault+0x972/0xe30 [ 65.959873][ T1077] ? do_user_addr_fault+0x97c/0xe30 [ 65.960045][ T1077] __x64_sys_bind+0x72/0xb0 [ 65.960211][ T1077] do_syscall_64+0xc1/0x1d0 [ 65.960384][ T1077] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.960593][ T1077] RIP: 0033:0x7f5f53b41b2b [ 65.960763][ T1077] 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 [ 65.961337][ T1077] RSP: 002b:00007fff29071358 EFLAGS: 00000202 ORIG_RAX: 0000000000000031 [ 65.961586][ T1077] RAX: ffffffffffffffda RBX: 00007fff29071548 RCX: 00007f5f53b41b2b [ 65.961831][ T1077] RDX: 000000000000001c RSI: 00007fff29071390 RDI: 0000000000000005 [ 65.962076][ T1077] RBP: 0000000000000005 R08: 1999999999999999 R09: 0000000000000000 [ 65.962318][ T1077] R10: 00007f5f53b12d90 R11: 0000000000000202 R12: 00007fff290729da [ 65.962563][ T1077] R13: 0000000000000000 R14: 0000000000403e00 R15: 00007f5f53d4c000 [ 65.962821][ T1077]