[....] Starting enhanced syslogd: rsyslogd[ 12.933222] audit: type=1400 audit(1515538411.127:5): avc: denied { syslog } for pid=3346 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: [ 19.837888] audit: type=1400 audit(1515538418.032:6): avc: denied { map } for pid=3485 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 '10.128.15.232' (ECDSA) to the list of known hosts. executing program [ 26.035447] audit: type=1400 audit(1515538424.230:7): avc: denied { map } for pid=3499 comm="syzkaller239906" path="/root/syzkaller239906633" 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 [ 26.044337] WARNING: CPU: 0 PID: 1467 at drivers/staging/android/ion/ion.c:122 ion_buffer_destroy+0xd4/0x190 [ 26.044342] Kernel panic - not syncing: panic_on_warn set ... [ 26.044342] [ 26.044350] CPU: 0 PID: 1467 Comm: ion_system_heap Not tainted 4.15.0-rc7-next-20180109+ #92 [ 26.044354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.044356] Call Trace: [ 26.044366] dump_stack+0x194/0x257 [ 26.044378] ? arch_local_irq_restore+0x53/0x53 [ 26.044392] ? vsnprintf+0x1ed/0x1900 [ 26.044408] panic+0x1e4/0x41c [ 26.044416] ? refcount_error_report+0x214/0x214 [ 26.044422] ? show_regs_print_info+0x18/0x18 [ 26.044440] ? __warn+0x1c1/0x200 [ 26.044453] ? ion_buffer_destroy+0xd4/0x190 [ 26.044459] __warn+0x1dc/0x200 [ 26.044468] ? ion_buffer_destroy+0xd4/0x190 [ 26.044478] report_bug+0x211/0x2d0 [ 26.044494] fixup_bug.part.11+0x37/0x80 [ 26.044503] do_error_trap+0x2d7/0x3e0 [ 26.044516] ? math_error+0x400/0x400 [ 26.044531] ? find_held_lock+0x35/0x1d0 [ 26.044549] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.044564] do_invalid_op+0x1b/0x20 [ 26.044571] invalid_op+0x22/0x40 [ 26.044578] RIP: 0010:ion_buffer_destroy+0xd4/0x190 [ 26.044582] RSP: 0018:ffff8801d3a9fd28 EFLAGS: 00010293 [ 26.044589] RAX: ffff8801d39ee700 RBX: ffff8801c00e57c0 RCX: ffffffff8415d2a4 [ 26.044593] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d5ada5b8 [ 26.044597] RBP: ffff8801d3a9fd50 R08: 0000000000000000 R09: 1ffff1003a753f8a [ 26.044601] R10: ffff8801d3a9fc18 R11: 0000000000000000 R12: ffffffff86e4c980 [ 26.044605] R13: ffff8801d5ada580 R14: ffff8801c00e57e0 R15: 0000000000000001 [ 26.044623] ? ion_buffer_destroy+0xd4/0x190 [ 26.044639] ? ion_buffer_destroy+0xd4/0x190 [ 26.044652] ion_heap_deferred_free+0x290/0x650 [ 26.044669] ? ion_heap_shrink_scan+0x1c0/0x1c0 [ 26.044680] ? schedule+0xf5/0x430 [ 26.044692] ? __schedule+0x2060/0x2060 [ 26.044699] ? do_wait_intr_irq+0x3e0/0x3e0 [ 26.044706] ? __lockdep_init_map+0xe4/0x650 [ 26.044714] ? do_raw_spin_trylock+0x190/0x190 [ 26.044723] ? lockdep_init_map+0x9/0x10 [ 26.044730] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 26.044740] ? prepare_to_wait+0x4d0/0x4d0 [ 26.044750] ? trace_hardirqs_on+0xd/0x10 [ 26.044759] ? __kthread_parkme+0x175/0x240 [ 26.044772] kthread+0x33c/0x400 [ 26.044779] ? ion_heap_shrink_scan+0x1c0/0x1c0 [ 26.044785] ? kthread_stop+0x7a0/0x7a0 [ 26.044796] ret_from_fork+0x24/0x30 [ 26.062026] Dumping ftrace buffer: [ 26.062086] (ftrace buffer empty) [ 26.062089] Kernel Offset: disabled [ 26.303816] Rebooting in 86400 seconds..