[....] Starting enhanced syslogd: rsyslogd[ 11.967398] audit: type=1400 audit(1515537903.425:5): avc: denied { syslog } for pid=3344 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: [ 16.924912] audit: type=1400 audit(1515537908.382:6): avc: denied { map } for pid=3483 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 '10.128.15.206' (ECDSA) to the list of known hosts. executing program [ 23.126611] audit: type=1400 audit(1515537914.584:7): avc: denied { map } for pid=3497 comm="syzkaller362543" path="/root/syzkaller362543565" 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 [ 23.134865] WARNING: CPU: 0 PID: 1467 at drivers/staging/android/ion/ion.c:122 ion_buffer_destroy+0xd4/0x190 [ 23.134870] Kernel panic - not syncing: panic_on_warn set ... [ 23.134870] [ 23.134878] CPU: 0 PID: 1467 Comm: ion_system_heap Not tainted 4.15.0-rc6-mm1+ #52 [ 23.134882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.134884] Call Trace: [ 23.134896] dump_stack+0x194/0x257 [ 23.134909] ? arch_local_irq_restore+0x53/0x53 [ 23.134923] ? vsnprintf+0x1ed/0x1900 [ 23.134939] panic+0x1e4/0x41c [ 23.134947] ? refcount_error_report+0x214/0x214 [ 23.134956] ? show_regs_print_info+0x18/0x18 [ 23.134974] ? __warn+0x1c1/0x200 [ 23.134986] ? ion_buffer_destroy+0xd4/0x190 [ 23.134993] __warn+0x1dc/0x200 [ 23.135004] ? ion_buffer_destroy+0xd4/0x190 [ 23.135016] report_bug+0x211/0x2d0 [ 23.135032] fixup_bug.part.11+0x37/0x80 [ 23.135041] do_error_trap+0x2d7/0x3e0 [ 23.135054] ? math_error+0x400/0x400 [ 23.135069] ? find_held_lock+0x35/0x1d0 [ 23.135087] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.135103] do_invalid_op+0x1b/0x20 [ 23.135110] invalid_op+0x22/0x40 [ 23.135122] RIP: 0010:ion_buffer_destroy+0xd4/0x190 [ 23.135126] RSP: 0018:ffff8801d39f7d28 EFLAGS: 00010293 [ 23.135133] RAX: ffff8801d39bc700 RBX: ffff8801c051ab80 RCX: ffffffff84155094 [ 23.135137] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d398bcb8 [ 23.135141] RBP: ffff8801d39f7d50 R08: 0000000000000000 R09: 1ffff1003a73ef8a [ 23.135146] R10: ffff8801d39f7c18 R11: 0000000000000000 R12: ffffffff86e4c680 [ 23.135150] R13: ffff8801d398bc80 R14: ffff8801c051aba0 R15: 0000000000000001 [ 23.135169] ? ion_buffer_destroy+0xd4/0x190 [ 23.135184] ? ion_buffer_destroy+0xd4/0x190 [ 23.135197] ion_heap_deferred_free+0x290/0x650 [ 23.135214] ? ion_heap_shrink_scan+0x1c0/0x1c0 [ 23.135227] ? schedule+0xf5/0x430 [ 23.135239] ? __schedule+0x2060/0x2060 [ 23.135246] ? do_wait_intr_irq+0x3e0/0x3e0 [ 23.135254] ? __lockdep_init_map+0xe4/0x650 [ 23.135262] ? do_raw_spin_trylock+0x190/0x190 [ 23.135270] ? lockdep_init_map+0x9/0x10 [ 23.135277] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 23.135287] ? prepare_to_wait+0x4d0/0x4d0 [ 23.135298] ? trace_hardirqs_on+0xd/0x10 [ 23.135307] ? __kthread_parkme+0x175/0x240 [ 23.135320] kthread+0x33c/0x400 [ 23.135327] ? ion_heap_shrink_scan+0x1c0/0x1c0 [ 23.135333] ? kthread_stop+0x7a0/0x7a0 [ 23.135344] ret_from_fork+0x24/0x30 [ 23.152995] Dumping ftrace buffer: [ 23.153053] (ftrace buffer empty) [ 23.153055] Kernel Offset: disabled [ 23.393950] Rebooting in 86400 seconds..