1TITLE: INFO: trying to register non-static key in tcp_fastopen_reset_cipher 2 3syzkaller login: [ 16.305150] INFO: trying to register non-static key. 4[ 16.305671] the code is fine but needs lockdep annotation. 5[ 16.306408] turning off the locking correctness validator. 6[ 16.306956] CPU: 0 PID: 2990 Comm: syzkaller460037 Not tainted 4.14.0-rc7-next-20171103+ #10 7[ 16.307782] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 8[ 16.308571] Call Trace: 9[ 16.308831] dump_stack+0x194/0x257 10[ 16.309192] ? arch_local_irq_restore+0x53/0x53 11[ 16.309657] register_lock_class+0x55e/0x2c70 12[ 16.310347] ? __lock_acquire+0x739/0x4770 13[ 16.315564] ? find_held_lock+0x39/0x1d0 14[ 16.315964] __lock_acquire+0x203/0x4770 15[ 16.316366] ? find_held_lock+0x39/0x1d0 16[ 16.328281] ? rcu_pm_notify+0xc0/0xc0 17[ 16.328665] lock_acquire+0x1d5/0x580 18[ 16.330805] ? tcp_fastopen_reset_cipher+0x194/0x580 19[ 16.331306] _raw_spin_lock_bh+0x31/0x40 20[ 16.331707] ? tcp_fastopen_reset_cipher+0x194/0x580 21[ 16.332206] tcp_fastopen_reset_cipher+0x194/0x580 22[ 16.332690] ? tcp_fastopen_ctx_destroy+0x220/0x220 23[ 16.342778] entry_SYSCALL_64_fastpath+0x1f/0xbe 24[ 16.343239] RIP: 0033:0x434e69 25[ 16.343553] RSP: 002b:00007ffebc51ad98 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 26[ 16.344298] RAX: ffffffffffffffda RBX: 00000000004002b0 RCX: 0000000000434e69 27[ 16.345003] RDX: 0000000000000021 RSI: 0000000000000006 RDI: 0000000000000003 28[ 16.345704] RBP: 0000000000000086 R08: 0000000000000010 R09: 0000000000000000 29[ 16.346826] R10: 0000000020f2b000 R11: 0000000000000203 R12: 0000000000000000 30[ 16.347531] R13: 00000000004017e0 R14: 0000000000401870 R15: 0000000000000000 31