INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-next-kasan-gce-7,10.128.0.32' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 16.200502] INFO: trying to register non-static key. [ 16.201248] the code is fine but needs lockdep annotation. [ 16.202006] turning off the locking correctness validator. [ 16.202755] CPU: 0 PID: 2991 Comm: syzkaller231117 Not tainted 4.14.0-rc7-next-20171103+ #38 [ 16.203902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 16.205119] Call Trace: [ 16.205477] dump_stack+0x194/0x257 [ 16.205976] ? arch_local_irq_restore+0x53/0x53 [ 16.206599] register_lock_class+0x55e/0x2c70 [ 16.207208] ? __lock_acquire+0x739/0x4770 [ 16.207775] ? lock_pin_lock+0x370/0x370 [ 16.208318] ? __lock_acquire+0x739/0x4770 [ 16.208883] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 16.209573] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 16.210266] ? check_noncircular+0x20/0x20 [ 16.210842] ? __lock_acquire+0x739/0x4770 [ 16.211406] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 16.212097] ? check_noncircular+0x20/0x20 [ 16.212661] ? find_held_lock+0x39/0x1d0 [ 16.213206] ? check_noncircular+0x20/0x20 [ 16.213769] ? lock_downgrade+0x990/0x990 [ 16.214322] ? find_held_lock+0x39/0x1d0 [ 16.214877] __lock_acquire+0x203/0x4770 [ 16.215432] ? find_held_lock+0x39/0x1d0 [ 16.215976] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 16.216663] ? depot_save_stack+0x1c2/0x490 [ 16.217244] ? do_raw_spin_trylock+0x190/0x190 [ 16.217863] ? is_bpf_text_address+0xa4/0x120 [ 16.218459] ? kernel_text_address+0x102/0x140 [ 16.219069] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 16.219742] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 16.220406] ? trace_hardirqs_on+0xd/0x10 [ 16.223334] ? depot_save_stack+0x3b5/0x490 [ 16.227621] ? save_stack+0xa3/0xd0 [ 16.231213] ? save_stack+0x43/0xd0 [ 16.234801] ? kasan_kmalloc+0xad/0xe0 [ 16.238651] ? __kmalloc+0x162/0x760 [ 16.242335] ? __crypto_alloc_tfm+0xd0/0x4e0 [ 16.246709] ? crypto_alloc_base+0x55/0x1d0 [ 16.250993] ? tcp_fastopen_reset_cipher+0xe5/0x580 [ 16.255976] ? do_tcp_setsockopt.isra.37+0x24d/0x21b0 [ 16.261127] ? tcp_setsockopt+0xb0/0xd0 [ 16.265063] ? sock_common_setsockopt+0x95/0xd0 [ 16.269696] ? SyS_setsockopt+0x189/0x360 [ 16.273807] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 16.278701] ? lock_downgrade+0x990/0x990 [ 16.282812] ? rcu_note_context_switch+0x710/0x710 [ 16.287705] ? sock_common_setsockopt+0x95/0xd0 [ 16.292341] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 16.298189] ? rcu_pm_notify+0xc0/0xc0 [ 16.302041] lock_acquire+0x1d5/0x580 [ 16.305804] ? tcp_fastopen_reset_cipher+0x194/0x580 [ 16.310870] ? __kmalloc+0x471/0x760 [ 16.314546] ? lock_release+0xd70/0xd70 [ 16.318484] ? kernel_fpu_end+0xe/0x20 [ 16.322337] ? aes_set_key_common+0x6a/0xe0 [ 16.326622] ? aes_set_key+0x29/0x30 [ 16.330300] ? tcp_fastopen_reset_cipher+0x194/0x580 [ 16.335368] _raw_spin_lock_bh+0x31/0x40 [ 16.339390] ? tcp_fastopen_reset_cipher+0x194/0x580 [ 16.344454] tcp_fastopen_reset_cipher+0x194/0x580 [ 16.349347] ? tcp_fastopen_ctx_destroy+0x220/0x220 [ 16.354329] ? __might_sleep+0x95/0x190 [ 16.358269] ? kasan_check_write+0x14/0x20 [ 16.362466] ? _copy_from_user+0x99/0x110 [ 16.366580] do_tcp_setsockopt.isra.37+0x24d/0x21b0 [ 16.371559] ? tcp_get_md5sig_pool+0x60/0x60 [ 16.375935] ? handle_mm_fault+0x410/0x8d0 [ 16.380134] ? down_read_trylock+0xdb/0x170 [ 16.384419] ? __do_page_fault+0x32d/0xc90 [ 16.388617] ? __handle_mm_fault+0x39c0/0x39c0 [ 16.393162] ? vmacache_find+0x5f/0x280 [ 16.397098] ? vmacache_update+0xfe/0x130 [ 16.401211] ? sock_has_perm+0x29c/0x400 [ 16.405236] ? __fget_light+0x29d/0x390 [ 16.409176] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 16.414500] ? __do_page_fault+0x3d6/0xc90 [ 16.418702] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 16.423942] tcp_setsockopt+0xb0/0xd0 [ 16.427710] sock_common_setsockopt+0x95/0xd0 [ 16.432172] SyS_setsockopt+0x189/0x360 [ 16.436117] ? SyS_recv+0x40/0x40 [ 16.439533] ? entry_SYSCALL_64_fastpath+0x5/0xbe [ 16.444338] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 16.449317] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 16.454037] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 16.458754] RIP: 0033:0x43fcb9 [ 16.461907] RSP: 002b:00007ffd94b9bfb8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 16.469576] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcb9 [ 16.476809] RDX: 0000000000000021 RSI: 0000000000000006 RDI: 0000000000000003 [ 16.484043] RBP: 0000000000000086 R08: 0000000000000010 R09: 0000000000000000 [ 16.491274] R10: 0000000020f2b000 R11: 0000000000000203 R12: 0000000000401620 [ 16.498507] R13: 00000000004016b0