[....] Starting enhanced syslogd: rsyslogd[ 12.450792] audit: type=1400 audit(1515539751.879:5): avc: denied { syslog } for pid=3341 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: [ 18.683789] audit: type=1400 audit(1515539758.112:6): avc: denied { map } for pid=3481 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 '10.128.15.239' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 executing program [ 24.902198] audit: type=1400 audit(1515539764.330:7): avc: denied { map } for pid=3495 comm="syzkaller865599" path="/root/syzkaller865599376" 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 [ 24.979248] WARNING: CPU: 0 PID: 1465 at drivers/staging/android/ion/ion.c:132 ion_buffer_destroy+0xd4/0x190 [ 24.989224] Kernel panic - not syncing: panic_on_warn set ... [ 24.989224] [ 24.996560] CPU: 0 PID: 1465 Comm: ion_system_heap Not tainted 4.15.0-rc7+ #255 [ 25.003975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.013299] Call Trace: [ 25.015874] dump_stack+0x194/0x257 [ 25.019476] ? arch_local_irq_restore+0x53/0x53 [ 25.024117] ? vsnprintf+0x1ed/0x1900 [ 25.027892] panic+0x1e4/0x41c [ 25.031052] ? refcount_error_report+0x214/0x214 [ 25.035776] ? show_regs_print_info+0x18/0x18 [ 25.040252] ? __warn+0x1c1/0x200 [ 25.043677] ? ion_buffer_destroy+0xd4/0x190 [ 25.048052] __warn+0x1dc/0x200 [ 25.051305] ? ion_buffer_destroy+0xd4/0x190 [ 25.055685] report_bug+0x211/0x2d0 [ 25.059286] fixup_bug.part.11+0x37/0x80 [ 25.063322] do_error_trap+0x2d7/0x3e0 [ 25.067180] ? math_error+0x400/0x400 [ 25.070953] ? find_held_lock+0x35/0x1d0 [ 25.074987] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.079804] do_invalid_op+0x1b/0x20 [ 25.083487] invalid_op+0x22/0x40 [ 25.086908] RIP: 0010:ion_buffer_destroy+0xd4/0x190 [ 25.091888] RSP: 0018:ffff8801d3a1fd28 EFLAGS: 00010293 [ 25.097233] RAX: ffff8801d3a44680 RBX: ffff8801c0341700 RCX: ffffffff8410f1e4 [ 25.104474] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d3fe95f8 [ 25.111714] RBP: ffff8801d3a1fd50 R08: 0000000000000000 R09: 1ffff1003a743f8a [ 25.118950] R10: ffff8801d3a1fc18 R11: 0000000000000000 R12: ffffffff86e47780 [ 25.126187] R13: ffff8801d3fe95c0 R14: ffff8801c0341720 R15: 0000000000000001 [ 25.133458] ? ion_buffer_destroy+0xd4/0x190 [ 25.137839] ? ion_buffer_destroy+0xd4/0x190 [ 25.142224] ion_heap_deferred_free+0x290/0x650 [ 25.146868] ? ion_heap_shrink_scan+0x1c0/0x1c0 [ 25.151509] ? schedule+0xf5/0x430 [ 25.155019] ? __schedule+0x2060/0x2060 [ 25.158969] ? do_wait_intr_irq+0x3e0/0x3e0 [ 25.163256] ? __lockdep_init_map+0xe4/0x650 [ 25.167636] ? do_raw_spin_trylock+0x190/0x190 [ 25.172186] ? lockdep_init_map+0x9/0x10 [ 25.176220] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 25.181386] ? prepare_to_wait+0x4d0/0x4d0 [ 25.185588] ? trace_hardirqs_on+0xd/0x10 [ 25.189703] ? __kthread_parkme+0x175/0x240 [ 25.193995] kthread+0x33c/0x400 [ 25.197333] ? ion_heap_shrink_scan+0x1c0/0x1c0 [ 25.201971] ? kthread_stop+0x7a0/0x7a0 [ 25.205916] ret_from_fork+0x24/0x30 [ 25.209752] Dumping ftrace buffer: [ 25.213303] (ftrace buffer empty) [ 25.216984] Kernel Offset: disabled [ 25.220586] Rebooting in 86400 seconds..