[....] Starting enhanced syslogd: rsyslogd[ 11.712874] audit: type=1400 audit(1515539212.268:5): avc: denied { syslog } for pid=3349 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: [ 18.259439] audit: type=1400 audit(1515539218.815:6): avc: denied { map } for pid=3489 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 '10.128.0.16' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 31.445214] audit: type=1400 audit(1515539232.000:7): avc: denied { map } for pid=3505 comm="syzkaller396825" path="/root/syzkaller396825778" 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 executing program [ 31.531217] WARNING: CPU: 0 PID: 1466 at drivers/staging/android/ion/ion.c:122 ion_buffer_destroy+0xd4/0x190 [ 31.541183] Kernel panic - not syncing: panic_on_warn set ... [ 31.541183] [ 31.548511] CPU: 0 PID: 1466 Comm: ion_system_heap Not tainted 4.15.0-rc7-next-20180109+ #92 [ 31.557050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.566369] Call Trace: [ 31.568926] dump_stack+0x194/0x257 [ 31.572522] ? arch_local_irq_restore+0x53/0x53 [ 31.577163] ? vsnprintf+0x1ed/0x1900 [ 31.580932] panic+0x1e4/0x41c [ 31.584091] ? refcount_error_report+0x214/0x214 [ 31.588811] ? show_regs_print_info+0x18/0x18 [ 31.593278] ? __warn+0x1c1/0x200 [ 31.596700] ? ion_buffer_destroy+0xd4/0x190 [ 31.601073] __warn+0x1dc/0x200 [ 31.604318] ? ion_buffer_destroy+0xd4/0x190 [ 31.608694] report_bug+0x211/0x2d0 [ 31.612377] fixup_bug.part.11+0x37/0x80 [ 31.616406] do_error_trap+0x2d7/0x3e0 [ 31.620262] ? math_error+0x400/0x400 [ 31.624034] ? find_held_lock+0x35/0x1d0 [ 31.628070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.632891] do_invalid_op+0x1b/0x20 [ 31.636571] invalid_op+0x22/0x40 [ 31.639999] RIP: 0010:ion_buffer_destroy+0xd4/0x190 [ 31.644978] RSP: 0000:ffff8801d3987d28 EFLAGS: 00010293 [ 31.650307] RAX: ffff8801d3a7e6c0 RBX: ffff8801bd6033c0 RCX: ffffffff8415d2a4 [ 31.657544] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d39a7a38 [ 31.664781] RBP: ffff8801d3987d50 R08: 0000000000000000 R09: 1ffff1003a730f8a [ 31.672031] R10: ffff8801d3987c18 R11: 0000000000000000 R12: ffffffff86e4c980 [ 31.679269] R13: ffff8801d39a7a00 R14: ffff8801bd6033e0 R15: 0000000000000001 [ 31.686518] ? ion_buffer_destroy+0xd4/0x190 [ 31.690901] ? ion_buffer_destroy+0xd4/0x190 [ 31.695282] ion_heap_deferred_free+0x290/0x650 [ 31.699924] ? ion_heap_shrink_scan+0x1c0/0x1c0 [ 31.704579] ? schedule+0xf5/0x430 [ 31.708090] ? __schedule+0x2060/0x2060 [ 31.712031] ? do_wait_intr_irq+0x3e0/0x3e0 [ 31.716322] ? __lockdep_init_map+0xe4/0x650 [ 31.720701] ? do_raw_spin_trylock+0x190/0x190 [ 31.725254] ? lockdep_init_map+0x9/0x10 [ 31.729283] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 31.734351] ? prepare_to_wait+0x4d0/0x4d0 [ 31.738553] ? trace_hardirqs_on+0xd/0x10 [ 31.742668] ? __kthread_parkme+0x175/0x240 [ 31.746962] kthread+0x33c/0x400 [ 31.750296] ? ion_heap_shrink_scan+0x1c0/0x1c0 [ 31.754931] ? kthread_stop+0x7a0/0x7a0 [ 31.758874] ret_from_fork+0x24/0x30 [ 31.762707] Dumping ftrace buffer: [ 31.766263] (ftrace buffer empty) [ 31.769953] Kernel Offset: disabled [ 31.773552] Rebooting in 86400 seconds..