[?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. [ 17.573708] audit: type=1400 audit(1519334500.058:6): avc: denied { map } for pid=4164 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 '10.128.15.213' (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 executing program executing program executing program executing program executing program executing program syzkaller login: [ 23.969349] audit: type=1400 audit(1519334506.454:7): avc: denied { map } for pid=4178 comm="syzkaller103098" path="/root/syzkaller103098036" 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 [ 24.431995] WARNING: CPU: 1 PID: 4420 at ./include/net/sock.h:639 smc_unhash_sk+0x335/0x450 [ 24.440616] Kernel panic - not syncing: panic_on_warn set ... [ 24.440616] [ 24.447959] CPU: 1 PID: 4420 Comm: syzkaller103098 Not tainted 4.16.0-rc2+ #238 [ 24.455376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.464703] Call Trace: [ 24.467268] dump_stack+0x194/0x24d [ 24.470872] ? arch_local_irq_restore+0x53/0x53 [ 24.475523] ? vsnprintf+0x1ed/0x1900 [ 24.479305] panic+0x1e4/0x41c [ 24.482471] ? refcount_error_report+0x214/0x214 [ 24.487213] ? show_regs_print_info+0x18/0x18 [ 24.491690] ? __destroy_inode+0x660/0x660 [ 24.495903] ? __warn+0x1c1/0x200 [ 24.499336] ? smc_unhash_sk+0x335/0x450 [ 24.503371] __warn+0x1dc/0x200 [ 24.506632] ? smc_unhash_sk+0x335/0x450 [ 24.510670] report_bug+0x211/0x2d0 [ 24.514279] fixup_bug.part.11+0x37/0x80 [ 24.518315] do_error_trap+0x2d7/0x3e0 [ 24.522181] ? math_error+0x400/0x400 [ 24.525958] ? reacquire_held_locks+0x1f9/0x3e0 [ 24.530606] ? lock_acquire+0x1d5/0x580 [ 24.534554] ? lock_acquire+0x1d5/0x580 [ 24.538509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.543332] do_invalid_op+0x1b/0x20 [ 24.547026] invalid_op+0x58/0x80 [ 24.550453] RIP: 0010:smc_unhash_sk+0x335/0x450 [ 24.555093] RSP: 0018:ffff8801c392f198 EFLAGS: 00010293 [ 24.560432] RAX: ffff8801b3990180 RBX: 1ffff10038725e37 RCX: ffffffff85a3f805 [ 24.567677] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 1ffff10038725e3b [ 24.574920] RBP: ffff8801c392f280 R08: dffffc0000000000 R09: 0000000000000004 [ 24.582166] R10: ffff8801c392f050 R11: 0000000000000004 R12: ffff8801c392f258 [ 24.589408] R13: ffffffff8766a2e0 R14: ffff8801baa54000 R15: 1ffff10038725e3b [ 24.596667] ? smc_unhash_sk+0x335/0x450 [ 24.600712] ? smc_unhash_sk+0x335/0x450 [ 24.604760] ? smc_hash_sk+0x2f0/0x2f0 [ 24.608625] ? release_sock+0x1d4/0x2a0 [ 24.612574] ? __local_bh_enable_ip+0x121/0x230 [ 24.617216] ? __release_sock+0x360/0x360 [ 24.621339] ? smc_release+0x23c/0x580 [ 24.625200] ? trace_hardirqs_on+0xd/0x10 [ 24.629324] ? __local_bh_enable_ip+0x121/0x230 [ 24.633971] smc_release+0x321/0x580 [ 24.637669] sock_release+0x8d/0x1e0 [ 24.641360] ? sock_alloc_file+0x560/0x560 [ 24.645570] sock_close+0x16/0x20 [ 24.649000] __fput+0x327/0x7e0 [ 24.652266] ? fput+0x140/0x140 [ 24.655522] ? _raw_spin_unlock_irq+0x27/0x70 [ 24.659999] ____fput+0x15/0x20 [ 24.663260] task_work_run+0x199/0x270 [ 24.667126] ? task_work_cancel+0x210/0x210 [ 24.671424] ? _raw_spin_unlock+0x22/0x30 [ 24.675550] ? switch_task_namespaces+0x87/0xc0 [ 24.680201] do_exit+0x9bb/0x1ad0 [ 24.683637] ? mm_update_next_owner+0x930/0x930 [ 24.688285] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 24.693446] ? __lock_acquire+0x664/0x3e00 [ 24.697659] ? check_noncircular+0x20/0x20 [ 24.701867] ? __lock_is_held+0xb6/0x140 [ 24.705917] ? __lock_is_held+0xb6/0x140 [ 24.709978] ? check_noncircular+0x20/0x20 [ 24.714189] ? select_task_rq_fair+0x2910/0x2910 [ 24.718918] ? check_noncircular+0x20/0x20 [ 24.723127] ? __enqueue_entity+0x109/0x1e0 [ 24.727421] ? sock_ioctl+0x610/0x610 [ 24.731206] ? memset+0x31/0x40 [ 24.734470] ? find_held_lock+0x35/0x1d0 [ 24.738516] ? get_signal+0x7a9/0x16d0 [ 24.742380] ? lock_downgrade+0x980/0x980 [ 24.746512] do_group_exit+0x149/0x400 [ 24.751260] ? do_raw_spin_trylock+0x190/0x190 [ 24.755820] ? SyS_exit+0x30/0x30 [ 24.759249] ? _raw_spin_unlock_irq+0x27/0x70 [ 24.763721] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.768720] get_signal+0x73a/0x16d0 [ 24.772417] ? ptrace_notify+0x130/0x130 [ 24.776458] ? __schedule+0x90d/0x2070 [ 24.780333] ? __sched_text_start+0x8/0x8 [ 24.784459] ? __schedule+0x90d/0x2070 [ 24.788329] do_signal+0x90/0x1e90 [ 24.791844] ? __sched_text_start+0x8/0x8 [ 24.795965] ? find_held_lock+0x35/0x1d0 [ 24.800022] ? setup_sigcontext+0x7d0/0x7d0 [ 24.804320] ? __do_page_fault+0x5f7/0xc90 [ 24.808529] ? lock_downgrade+0x980/0x980 [ 24.812656] ? schedule+0xf5/0x430 [ 24.816172] ? __schedule+0x2070/0x2070 [ 24.820138] ? exit_to_usermode_loop+0x8c/0x2f0 [ 24.824789] exit_to_usermode_loop+0x258/0x2f0 [ 24.829349] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 24.834861] ? do_syscall_64+0xb6/0x940 [ 24.838818] do_syscall_64+0x6e5/0x940 [ 24.842680] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 24.848194] ? syscall_return_slowpath+0x550/0x550 [ 24.853098] ? syscall_return_slowpath+0x2ac/0x550 [ 24.858014] ? retint_user+0x18/0x18 [ 24.861711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.866536] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 24.871701] RIP: 0033:0x4468f9 [ 24.874864] RSP: 002b:00007f2c023c6db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 24.882547] RAX: 0000000000000001 RBX: 00000000006e29dc RCX: 00000000004468f9 [ 24.889790] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000020000080 [ 24.897034] RBP: 00000000006e29d8 R08: 00007f2c023c7700 R09: 0000000000000000 [ 24.904275] R10: 00007f2c023c7700 R11: 0000000000000246 R12: 0000000000000000 [ 24.911520] R13: 00007ffc20257f4f R14: 00007f2c023c79c0 R15: 0000000000000001 [ 24.919365] Dumping ftrace buffer: [ 24.922985] (ftrace buffer empty) [ 24.926671] Kernel Offset: disabled [ 24.930272] Rebooting in 86400 seconds..