[....] Starting enhanced syslogd: rsyslogd[ 12.169839] audit: type=1400 audit(1515540809.303:5): avc: denied { syslog } for pid=3347 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: [ 17.787041] audit: type=1400 audit(1515540814.920:6): avc: denied { map } for pid=3487 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 '10.128.0.55' (ECDSA) to the list of known hosts. [ 39.409594] audit: type=1400 audit(1515540836.543:7): avc: denied { map } for pid=3505 comm="syzkaller234104" path="/root/syzkaller234104496" 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 [ 39.411922] WARNING: CPU: 0 PID: 3505 at drivers/staging/android/ion/ion-ioctl.c:63 ion_ioctl+0x2db/0x380 [ 39.411926] Kernel panic - not syncing: panic_on_warn set ... [ 39.411926] [ 39.411932] CPU: 0 PID: 3505 Comm: syzkaller234104 Not tainted 4.15.0-rc6-mm1+ #52 [ 39.411935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.411937] Call Trace: [ 39.411947] dump_stack+0x194/0x257 [ 39.411955] ? arch_local_irq_restore+0x53/0x53 [ 39.411965] ? vsnprintf+0x1ed/0x1900 [ 39.411977] panic+0x1e4/0x41c [ 39.411983] ? refcount_error_report+0x214/0x214 [ 39.411991] ? show_regs_print_info+0x18/0x18 [ 39.412006] ? __warn+0x1c1/0x200 [ 39.412014] ? ion_ioctl+0x2db/0x380 [ 39.412018] __warn+0x1dc/0x200 [ 39.412023] ? ion_ioctl+0x2db/0x380 [ 39.412030] report_bug+0x211/0x2d0 [ 39.412042] fixup_bug.part.11+0x37/0x80 [ 39.412047] do_error_trap+0x2d7/0x3e0 [ 39.412055] ? math_error+0x400/0x400 [ 39.412064] ? __might_fault+0x110/0x1d0 [ 39.412074] ? lock_downgrade+0x980/0x980 [ 39.412087] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.412097] do_invalid_op+0x1b/0x20 [ 39.412103] invalid_op+0x22/0x40 [ 39.412107] RIP: 0010:ion_ioctl+0x2db/0x380 [ 39.412110] RSP: 0018:ffff8801c000fce0 EFLAGS: 00010293 [ 39.412115] RAX: ffff8801c01125c0 RBX: 0000000000000018 RCX: ffffffff841563eb [ 39.412118] RDX: 0000000000000000 RSI: 0000000020003018 RDI: ffff8801c000fd14 [ 39.412121] RBP: ffff8801c000fd78 R08: d7987b3bb57b3c72 R09: ffffed0038001fa5 [ 39.412123] R10: 0000000000000003 R11: ffffed0038001fa4 R12: 1ffff10038001f9e [ 39.412126] R13: 00000000c0184908 R14: ffff8801c000fd50 R15: dffffc0000000000 [ 39.412138] ? ion_ioctl+0x2db/0x380 [ 39.412150] ? ion_query_heaps+0x490/0x490 [ 39.412163] ? ion_query_heaps+0x490/0x490 [ 39.412170] do_vfs_ioctl+0x1b1/0x1520 [ 39.412176] ? _cond_resched+0x14/0x30 [ 39.412186] ? ioctl_preallocate+0x2b0/0x2b0 [ 39.412197] ? selinux_capable+0x40/0x40 [ 39.412203] ? putname+0xf3/0x130 [ 39.412223] ? security_file_ioctl+0x89/0xb0 [ 39.412232] SyS_ioctl+0x8f/0xc0 [ 39.412240] entry_SYSCALL_64_fastpath+0x23/0x9a [ 39.412244] RIP: 0033:0x43fca9 [ 39.412246] RSP: 002b:00007ffd8975d228 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 39.412251] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fca9 [ 39.412253] RDX: 0000000020003000 RSI: 00000000c0184908 RDI: 0000000000000003 [ 39.412256] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 39.412258] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000401610 [ 39.412260] R13: 00000000004016a0 R14: 0000000000000000 R15: 0000000000000000 [ 39.435508] Dumping ftrace buffer: [ 39.435581] (ftrace buffer empty) [ 39.435584] Kernel Offset: disabled [ 39.693273] Rebooting in 86400 seconds..