[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 17.957622] audit: type=1400 audit(1519331789.801:6): avc: denied { map } for pid=4131 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.62' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 24.298470] audit: type=1400 audit(1519331796.142:7): avc: denied { map } for pid=4145 comm="syzkaller670323" path="/root/syzkaller670323937" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.053896] WARNING: CPU: 1 PID: 5554 at ./include/net/sock.h:638 smc_unhash_sk+0x335/0x450 [ 28.062528] Kernel panic - not syncing: panic_on_warn set ... [ 28.062528] [ 28.069872] CPU: 1 PID: 5554 Comm: syzkaller670323 Not tainted 4.16.0-rc2+ #234 [ 28.077288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.086619] Call Trace: [ 28.089191] dump_stack+0x194/0x24d [ 28.092799] ? arch_local_irq_restore+0x53/0x53 [ 28.097447] ? vsnprintf+0x1ed/0x1900 [ 28.101231] panic+0x1e4/0x41c [ 28.104398] ? refcount_error_report+0x214/0x214 [ 28.109128] ? show_regs_print_info+0x18/0x18 [ 28.113604] ? __destroy_inode+0x660/0x660 [ 28.117817] ? __warn+0x1c1/0x200 [ 28.121249] ? smc_unhash_sk+0x335/0x450 [ 28.125286] __warn+0x1dc/0x200 [ 28.128539] ? smc_unhash_sk+0x335/0x450 [ 28.132575] report_bug+0x211/0x2d0 [ 28.136183] fixup_bug.part.11+0x37/0x80 [ 28.140221] do_error_trap+0x2d7/0x3e0 [ 28.144085] ? math_error+0x400/0x400 [ 28.147862] ? reacquire_held_locks+0x1f9/0x3e0 [ 28.152509] ? lock_acquire+0x1d5/0x580 [ 28.156458] ? lock_acquire+0x1d5/0x580 [ 28.160412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.165234] do_invalid_op+0x1b/0x20 [ 28.168921] invalid_op+0x58/0x80 [ 28.172348] RIP: 0010:smc_unhash_sk+0x335/0x450 [ 28.176987] RSP: 0018:ffff8801bcc87148 EFLAGS: 00010293 [ 28.182328] RAX: ffff8801baa62580 RBX: 1ffff10037990e2d RCX: ffffffff85a3f1f5 [ 28.189570] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 1ffff10037990e31 [ 28.196813] RBP: ffff8801bcc87230 R08: dffffc0000000000 R09: 0000000000000004 [ 28.204057] R10: ffff8801bcc87000 R11: 0000000000000004 R12: ffff8801bcc87208 [ 28.211298] R13: ffffffff87669b40 R14: ffff8801c1b2f000 R15: 1ffff10037990e31 [ 28.218552] ? smc_unhash_sk+0x335/0x450 [ 28.222592] ? smc_unhash_sk+0x335/0x450 [ 28.226630] ? smc_hash_sk+0x2f0/0x2f0 [ 28.230496] ? release_sock+0x1d4/0x2a0 [ 28.234447] ? __local_bh_enable_ip+0x121/0x230 [ 28.239092] ? __release_sock+0x360/0x360 [ 28.243214] ? smc_release+0x23c/0x580 [ 28.247077] ? trace_hardirqs_on+0xd/0x10 [ 28.251201] ? __local_bh_enable_ip+0x121/0x230 [ 28.255846] smc_release+0x321/0x580 [ 28.259542] sock_release+0x8d/0x1e0 [ 28.263232] ? sock_alloc_file+0x560/0x560 [ 28.267440] sock_close+0x16/0x20 [ 28.270870] __fput+0x327/0x7e0 [ 28.274132] ? fput+0x140/0x140 [ 28.277388] ? _raw_spin_unlock_irq+0x27/0x70 [ 28.281866] ____fput+0x15/0x20 [ 28.285121] task_work_run+0x199/0x270 [ 28.288985] ? task_work_cancel+0x210/0x210 [ 28.293282] ? _raw_spin_unlock+0x22/0x30 [ 28.297405] ? switch_task_namespaces+0x87/0xc0 [ 28.302056] do_exit+0x9bb/0x1ad0 [ 28.305489] ? mm_update_next_owner+0x930/0x930 [ 28.310140] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 28.315300] ? __lock_acquire+0x664/0x3e00 [ 28.319512] ? check_noncircular+0x20/0x20 [ 28.323722] ? __lock_is_held+0xb6/0x140 [ 28.327773] ? __lock_is_held+0xb6/0x140 [ 28.331821] ? check_noncircular+0x20/0x20 [ 28.336037] ? select_task_rq_fair+0x2910/0x2910 [ 28.340767] ? check_noncircular+0x20/0x20 [ 28.344979] ? __enqueue_entity+0x109/0x1e0 [ 28.349272] ? get_net_ns+0x20/0x20 [ 28.352882] ? memset+0x31/0x40 [ 28.356141] ? find_held_lock+0x35/0x1d0 [ 28.360189] ? get_signal+0x7a9/0x16d0 [ 28.364051] ? lock_downgrade+0x980/0x980 [ 28.368185] do_group_exit+0x149/0x400 [ 28.372046] ? do_raw_spin_trylock+0x190/0x190 [ 28.376601] ? SyS_exit+0x30/0x30 [ 28.380028] ? _raw_spin_unlock_irq+0x27/0x70 [ 28.384498] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.389492] get_signal+0x73a/0x16d0 [ 28.393192] ? ptrace_notify+0x130/0x130 [ 28.397232] ? __schedule+0x90d/0x2070 [ 28.401103] ? __sched_text_start+0x8/0x8 [ 28.405236] do_signal+0x90/0x1e90 [ 28.408759] ? __sched_text_start+0x8/0x8 [ 28.412882] ? setup_sigcontext+0x7d0/0x7d0 [ 28.417187] ? schedule+0xf5/0x430 [ 28.420701] ? lock_downgrade+0x980/0x980 [ 28.424822] ? __schedule+0x2070/0x2070 [ 28.428790] ? exit_to_usermode_loop+0x8c/0x2f0 [ 28.433439] exit_to_usermode_loop+0x258/0x2f0 [ 28.437999] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 28.443518] ? do_fast_syscall_32+0x156/0xf9f [ 28.447993] do_fast_syscall_32+0xbe6/0xf9f [ 28.452302] ? do_int80_syscall_32+0x9c0/0x9c0 [ 28.456861] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 28.462376] ? syscall_return_slowpath+0x2ac/0x550 [ 28.467288] ? retint_user+0x18/0x18 [ 28.470982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.475804] entry_SYSENTER_compat+0x70/0x7f [ 28.480188] RIP: 0023:0xf7f79c79 [ 28.483524] RSP: 002b:00000000f7f541fc EFLAGS: 00000246 ORIG_RAX: 00000000000000a8 [ 28.491204] RAX: 0000000000000001 RBX: 0000000020000080 RCX: 0000000000000001 [ 28.498446] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.505688] RBP: 00000000003d0f00 R08: 0000000000000000 R09: 0000000000000000 [ 28.512932] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.520174] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 28.528071] Dumping ftrace buffer: [ 28.531698] (ftrace buffer empty) [ 28.535382] Kernel Offset: disabled [ 28.538983] Rebooting in 86400 seconds..