[....] Starting enhanced syslogd: rsyslogd[ 11.991736] audit: type=1400 audit(1515539229.146:5): avc: denied { syslog } for pid=3348 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: [ 18.095682] audit: type=1400 audit(1515539235.250:6): avc: denied { map } for pid=3488 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 '10.128.15.216' (ECDSA) to the list of known hosts. [ 28.688260] audit: type=1400 audit(1515539245.843:7): avc: denied { map } for pid=3503 comm="syzkaller203950" path="/root/syzkaller203950829" 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 [ 28.695414] WARNING: CPU: 0 PID: 1466 at drivers/staging/android/ion/ion.c:122 ion_buffer_destroy+0xd4/0x190 [ 28.695418] Kernel panic - not syncing: panic_on_warn set ... [ 28.695418] [ 28.695424] CPU: 0 PID: 1466 Comm: ion_system_heap Not tainted 4.15.0-rc6-mm1+ #52 [ 28.695427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.695429] Call Trace: [ 28.695437] dump_stack+0x194/0x257 [ 28.695446] ? arch_local_irq_restore+0x53/0x53 [ 28.695454] ? vsnprintf+0x1ed/0x1900 [ 28.695465] panic+0x1e4/0x41c [ 28.695470] ? refcount_error_report+0x214/0x214 [ 28.695478] ? show_regs_print_info+0x18/0x18 [ 28.695489] ? __warn+0x1c1/0x200 [ 28.695497] ? ion_buffer_destroy+0xd4/0x190 [ 28.695501] __warn+0x1dc/0x200 [ 28.695506] ? ion_buffer_destroy+0xd4/0x190 [ 28.695513] report_bug+0x211/0x2d0 [ 28.695523] fixup_bug.part.11+0x37/0x80 [ 28.695529] do_error_trap+0x2d7/0x3e0 [ 28.695537] ? math_error+0x400/0x400 [ 28.695547] ? find_held_lock+0x35/0x1d0 [ 28.695560] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.695569] do_invalid_op+0x1b/0x20 [ 28.695574] invalid_op+0x22/0x40 [ 28.695578] RIP: 0010:ion_buffer_destroy+0xd4/0x190 [ 28.695581] RSP: 0018:ffff8801d39c7d28 EFLAGS: 00010293 [ 28.695585] RAX: ffff8801d3fd06c0 RBX: ffff8801c04d6840 RCX: ffffffff84155094 [ 28.695588] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d380b878 [ 28.695591] RBP: ffff8801d39c7d50 R08: 0000000000000000 R09: 1ffff1003a738f8a [ 28.695593] R10: ffff8801d39c7c18 R11: 0000000000000000 R12: ffffffff86e4c680 [ 28.695595] R13: ffff8801d380b840 R14: ffff8801c04d6860 R15: 0000000000000001 [ 28.695607] ? ion_buffer_destroy+0xd4/0x190 [ 28.695616] ? ion_buffer_destroy+0xd4/0x190 [ 28.695624] ion_heap_deferred_free+0x290/0x650 [ 28.695634] ? ion_heap_shrink_scan+0x1c0/0x1c0 [ 28.695642] ? schedule+0xf5/0x430 [ 28.695649] ? __schedule+0x2060/0x2060 [ 28.695654] ? do_wait_intr_irq+0x3e0/0x3e0 [ 28.695659] ? __lockdep_init_map+0xe4/0x650 [ 28.695664] ? do_raw_spin_trylock+0x190/0x190 [ 28.695669] ? lockdep_init_map+0x9/0x10 [ 28.695674] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 28.695680] ? prepare_to_wait+0x4d0/0x4d0 [ 28.695686] ? trace_hardirqs_on+0xd/0x10 [ 28.695693] ? __kthread_parkme+0x175/0x240 [ 28.695701] kthread+0x33c/0x400 [ 28.695706] ? ion_heap_shrink_scan+0x1c0/0x1c0 [ 28.695709] ? kthread_stop+0x7a0/0x7a0 [ 28.695716] ret_from_fork+0x24/0x30 [ 28.714725] Dumping ftrace buffer: [ 28.714782] (ftrace buffer empty) [ 28.714785] Kernel Offset: disabled [ 28.961705] Rebooting in 86400 seconds..