[....] Starting enhanced syslogd: rsyslogd[ 11.289257] audit: type=1400 audit(1514587603.862:5): avc: denied { syslog } for pid=2995 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 16.956886] audit: type=1400 audit(1514587609.530:6): avc: denied { map } for pid=3134 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 Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts. [ 23.084334] audit: type=1400 audit(1514587615.658:7): avc: denied { map } for pid=3148 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2017/12/29 22:46:55 parsed 1 programs 2017/12/29 22:46:55 executed programs: 0 [ 23.202861] audit: type=1400 audit(1514587615.776:8): avc: denied { map } for pid=3148 comm="syz-execprog" path="/root/syzkaller-shm027815600" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 23.236504] audit: type=1400 audit(1514587615.810:9): avc: denied { sys_admin } for pid=3153 comm="syz-executor0" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 23.262463] audit: type=1400 audit(1514587615.836:10): avc: denied { sys_chroot } for pid=3156 comm="syz-executor0" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 23.360331] FAULT_INJECTION: forcing a failure. [ 23.360331] name failslab, interval 1, probability 0, space 0, times 1 [ 23.371597] CPU: 1 PID: 3157 Comm: syz-executor0 Not tainted 4.15.0-rc4-mm1+ #49 [ 23.379115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.388452] Call Trace: [ 23.391017] dump_stack+0x194/0x257 [ 23.394618] ? arch_local_irq_restore+0x53/0x53 [ 23.399270] ? is_bpf_text_address+0xa4/0x120 [ 23.403760] should_fail+0x8c0/0xa40 [ 23.407457] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.412544] ? check_noncircular+0x20/0x20 [ 23.416764] ? tty_ldisc_put+0x4c/0x70 [ 23.420638] ? save_stack+0xa3/0xd0 [ 23.424257] ? find_held_lock+0x35/0x1d0 [ 23.428302] ? __lock_is_held+0xb6/0x140 [ 23.432392] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.438265] ? lock_downgrade+0x980/0x980 [ 23.442401] ? rcu_note_context_switch+0x710/0x710 [ 23.447315] ? lock_release+0xa40/0xa40 [ 23.451270] ? lock_release+0xa40/0xa40 [ 23.455226] should_failslab+0xec/0x120 [ 23.459188] kmem_cache_alloc_trace+0x4b/0x750 [ 23.463744] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.468747] ? trace_hardirqs_on+0xd/0x10 [ 23.472872] tty_ldisc_get.part.3+0x66/0x140 [ 23.477258] tty_set_ldisc+0x64d/0x7a0 [ 23.481132] tty_ioctl+0x492/0x1610 [ 23.484738] ? tty_vhangup+0x30/0x30 [ 23.488434] ? save_stack+0x43/0xd0 [ 23.492035] ? kasan_slab_free+0x71/0xc0 [ 23.496078] ? get_pid_task+0xbc/0x140 [ 23.499945] ? proc_fail_nth_write+0x9b/0x1d0 [ 23.504413] ? map_files_get_link+0x3a0/0x3a0 [ 23.508914] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.514772] ? rcu_note_context_switch+0x710/0x710 [ 23.519678] ? tty_vhangup+0x30/0x30 [ 23.523363] do_vfs_ioctl+0x1b1/0x1520 [ 23.527224] ? _cond_resched+0x14/0x30 [ 23.531087] ? ioctl_preallocate+0x2b0/0x2b0 [ 23.535471] ? selinux_capable+0x40/0x40 [ 23.539505] ? __sb_end_write+0xa0/0xd0 [ 23.543452] ? vfs_write+0x1bb/0x510 [ 23.547150] ? security_file_ioctl+0x89/0xb0 [ 23.551544] SyS_ioctl+0x8f/0xc0 [ 23.555788] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.560522] RIP: 0033:0x452ac9 [ 23.563690] RSP: 002b:0000000000a2f898 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 23.571381] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000452ac9 [ 23.578629] RDX: 00000000201f9000 RSI: 0000000000005423 RDI: 0000000000000003 [ 23.585871] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 23.593115] R10: 0000000000000000 R11: 0000000000000212 R12: fffffffffffffffe [ 23.600354] R13: ffffffffffffffff R14: 00000000201f9000 R15: 0000000000000000 [ 23.607880] WARNING: CPU: 1 PID: 3157 at drivers/tty/tty_ldisc.c:531 tty_set_ldisc+0x4c6/0x7a0 [ 23.616605] Kernel panic - not syncing: panic_on_warn set ... [ 23.616605] [ 23.623942] CPU: 1 PID: 3157 Comm: syz-executor0 Not tainted 4.15.0-rc4-mm1+ #49 [ 23.631448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.640777] Call Trace: [ 23.643340] dump_stack+0x194/0x257 [ 23.646938] ? arch_local_irq_restore+0x53/0x53 [ 23.651579] ? vsnprintf+0x1ed/0x1900 [ 23.655362] panic+0x1e4/0x41c [ 23.658526] ? refcount_error_report+0x214/0x214 [ 23.663247] ? show_regs_print_info+0x18/0x18 [ 23.667710] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.672785] ? __warn+0x1c1/0x200 [ 23.676210] ? tty_set_ldisc+0x4c6/0x7a0 [ 23.680238] __warn+0x1dc/0x200 [ 23.683499] ? tty_set_ldisc+0x4c6/0x7a0 [ 23.687533] report_bug+0x211/0x2d0 [ 23.691134] fixup_bug.part.11+0x37/0x80 [ 23.695173] do_error_trap+0x2d7/0x3e0 [ 23.699045] ? math_error+0x400/0x400 [ 23.702815] ? put_ldops.isra.2+0x7b/0xa0 [ 23.706940] ? lock_downgrade+0x980/0x980 [ 23.711061] ? free_modinfo_version+0x70/0x70 [ 23.715529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.720345] do_invalid_op+0x1b/0x20 [ 23.724036] invalid_op+0x22/0x40 [ 23.727456] RIP: 0010:tty_set_ldisc+0x4c6/0x7a0 [ 23.732094] RSP: 0018:ffff8801c8907b38 EFLAGS: 00010293 [ 23.737425] RAX: ffff8801c989c100 RBX: ffff8801c8940600 RCX: ffffffff8294a896 [ 23.744665] RDX: 0000000000000000 RSI: 1ffff10039313938 RDI: 0000000000000286 [ 23.751905] RBP: ffff8801c8907b88 R08: 1ffff10039120f27 R09: 0000000000000000 [ 23.759146] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff [ 23.766384] R13: ffff8801c8940b70 R14: ffff8801ca3ead80 R15: fffffffffffffff4 [ 23.773642] ? tty_set_ldisc+0x4c6/0x7a0 [ 23.777678] ? tty_set_ldisc+0x4c6/0x7a0 [ 23.781735] tty_ioctl+0x492/0x1610 [ 23.785338] ? tty_vhangup+0x30/0x30 [ 23.789021] ? save_stack+0x43/0xd0 [ 23.792615] ? kasan_slab_free+0x71/0xc0 [ 23.796650] ? get_pid_task+0xbc/0x140 [ 23.800515] ? proc_fail_nth_write+0x9b/0x1d0 [ 23.804980] ? map_files_get_link+0x3a0/0x3a0 [ 23.809465] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.815323] ? rcu_note_context_switch+0x710/0x710 [ 23.820227] ? tty_vhangup+0x30/0x30 [ 23.823921] do_vfs_ioctl+0x1b1/0x1520 [ 23.827775] ? _cond_resched+0x14/0x30 [ 23.831636] ? ioctl_preallocate+0x2b0/0x2b0 [ 23.836017] ? selinux_capable+0x40/0x40 [ 23.840061] ? __sb_end_write+0xa0/0xd0 [ 23.844008] ? vfs_write+0x1bb/0x510 [ 23.847701] ? security_file_ioctl+0x89/0xb0 [ 23.852091] SyS_ioctl+0x8f/0xc0 [ 23.855438] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.860163] RIP: 0033:0x452ac9 [ 23.863321] RSP: 002b:0000000000a2f898 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 23.871009] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000452ac9 [ 23.878246] RDX: 00000000201f9000 RSI: 0000000000005423 RDI: 0000000000000003 [ 23.885482] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 23.892733] R10: 0000000000000000 R11: 0000000000000212 R12: fffffffffffffffe [ 23.899993] R13: ffffffffffffffff R14: 00000000201f9000 R15: 0000000000000000 [ 23.907476] Dumping ftrace buffer: [ 23.911077] (ftrace buffer empty) [ 23.914759] Kernel Offset: disabled [ 23.918355] Rebooting in 86400 seconds..