[ 3941.164758][ T3493] sctp: Hash tables configured (bind 32/56) [ 3969.824693][ T3678] [ 3969.825068][ T3678] ============================= [ 3969.825278][ T3678] WARNING: suspicious RCU usage [ 3969.825476][ T3678] 6.12.0-rc6-virtme #1 Not tainted [ 3969.825677][ T3678] ----------------------------- [ 3969.825873][ T3678] net/core/dev.c:876 RCU-list traversed in non-reader section!! [ 3969.826170][ T3678] [ 3969.826170][ T3678] other info that might help us debug this: [ 3969.826170][ T3678] [ 3969.826894][ T3678] [ 3969.826894][ T3678] rcu_scheduler_active = 2, debug_locks = 1 [ 3969.827223][ T3678] 1 lock held by sctp_hello/3678: [ 3969.827424][ T3678] #0: ffff88800fa6a898 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_bind+0x1f/0xe0 [sctp] [ 3969.827819][ T3678] [ 3969.827819][ T3678] stack backtrace: [ 3969.828075][ T3678] CPU: 2 UID: 0 PID: 3678 Comm: sctp_hello Not tainted 6.12.0-rc6-virtme #1 [ 3969.828397][ T3678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3969.828630][ T3678] Call Trace: [ 3969.828771][ T3678] [ 3969.828869][ T3678] dump_stack_lvl+0xb0/0xd0 [ 3969.829061][ T3678] lockdep_rcu_suspicious+0x1ea/0x280 [ 3969.829251][ T3678] dev_get_by_index_rcu+0x14f/0x190 [ 3969.829433][ T3678] sctp_v6_available+0xaf/0x3a0 [sctp] [ 3969.829650][ T3678] sctp_do_bind+0x128/0x5f0 [sctp] [ 3969.829868][ T3678] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 3969.830108][ T3678] sctp_bind+0x86/0xe0 [sctp] [ 3969.830326][ T3678] inet6_bind_sk+0xd0/0x1c0 [ 3969.830510][ T3678] ? __pfx_inet6_bind_sk+0x10/0x10 [ 3969.830696][ T3678] ? __might_fault+0x11b/0x170 [ 3969.830889][ T3678] __sys_bind+0x114/0x1d0 [ 3969.831030][ T3678] ? __pfx___sys_bind+0x10/0x10 [ 3969.831212][ T3678] ? __up_read+0x1a7/0x780 [ 3969.831403][ T3678] ? do_user_addr_fault+0x972/0xe30 [ 3969.831591][ T3678] ? do_user_addr_fault+0x97c/0xe30 [ 3969.831782][ T3678] __x64_sys_bind+0x72/0xb0 [ 3969.831963][ T3678] do_syscall_64+0xc1/0x1d0 [ 3969.832145][ T3678] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3969.832369][ T3678] RIP: 0033:0x7fd857673b2b [ 3969.832554][ T3678] 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 [ 3969.833171][ T3678] RSP: 002b:00007ffc732979a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000031 [ 3969.833440][ T3678] RAX: ffffffffffffffda RBX: 00007ffc73297b98 RCX: 00007fd857673b2b [ 3969.833707][ T3678] RDX: 000000000000001c RSI: 00007ffc732979e0 RDI: 0000000000000005 [ 3969.833974][ T3678] RBP: 0000000000000005 R08: 1999999999999999 R09: 0000000000000000 [ 3969.834237][ T3678] R10: 00007fd857644d90 R11: 0000000000000202 R12: 00007ffc732989da [ 3969.834507][ T3678] R13: 0000000000000000 R14: 0000000000403e00 R15: 00007fd85787e000 [ 3969.834790][ T3678]