[....] Starting enhanced syslogd: rsyslogd[ 11.711865] audit: type=1400 audit(1515307573.578:5): avc: denied { syslog } for pid=3342 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: [ 16.063236] audit: type=1400 audit(1515307577.929:6): avc: denied { map } for pid=3480 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 '10.128.0.50' (ECDSA) to the list of known hosts. [ 22.566739] audit: type=1400 audit(1515307584.433:7): avc: denied { map } for pid=3495 comm="syzkaller892782" path="/root/syzkaller892782225" 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 [ 22.568788] WARNING: CPU: 1 PID: 3495 at drivers/staging/android/ion/ion-ioctl.c:73 ion_ioctl+0x2db/0x380 [ 22.568795] Kernel panic - not syncing: panic_on_warn set ... [ 22.568795] [ 22.568803] CPU: 1 PID: 3495 Comm: syzkaller892782 Not tainted 4.15.0-rc6+ #250 [ 22.568806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.568810] Call Trace: [ 22.568823] dump_stack+0x194/0x257 [ 22.568836] ? arch_local_irq_restore+0x53/0x53 [ 22.568851] ? vsnprintf+0x1ed/0x1900 [ 22.568868] panic+0x1e4/0x41c [ 22.568876] ? refcount_error_report+0x214/0x214 [ 22.568886] ? show_regs_print_info+0x18/0x18 [ 22.568904] ? __warn+0x1c1/0x200 [ 22.568916] ? ion_ioctl+0x2db/0x380 [ 22.568922] __warn+0x1dc/0x200 [ 22.568929] ? ion_ioctl+0x2db/0x380 [ 22.568941] report_bug+0x211/0x2d0 [ 22.568960] fixup_bug.part.11+0x37/0x80 [ 22.568970] do_error_trap+0x2d7/0x3e0 [ 22.568984] ? math_error+0x400/0x400 [ 22.568994] ? __might_fault+0x110/0x1d0 [ 22.569008] ? lock_downgrade+0x980/0x980 [ 22.569029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 22.569044] do_invalid_op+0x1b/0x20 [ 22.569052] invalid_op+0x22/0x40 [ 22.569058] RIP: 0010:ion_ioctl+0x2db/0x380 [ 22.569062] RSP: 0018:ffff8801c0bdfce0 EFLAGS: 00010293 [ 22.569069] RAX: ffff8801c050e1c0 RBX: 0000000000000018 RCX: ffffffff8410fdfb [ 22.569073] RDX: 0000000000000000 RSI: 0000000020001018 RDI: ffff8801c0bdfd20 [ 22.569077] RBP: ffff8801c0bdfd78 R08: 00000000000002ff R09: ffffed003817bfa5 [ 22.569081] R10: 0000000000000003 R11: ffffed003817bfa4 R12: 1ffff1003817bf9e [ 22.569086] R13: ffff8801c0bdfd10 R14: ffff8801c0bdfd50 R15: dffffc0000000000 [ 22.569104] ? ion_ioctl+0x2db/0x380 [ 22.569124] ? ion_query_heaps+0x490/0x490 [ 22.569145] ? ion_query_heaps+0x490/0x490 [ 22.569154] do_vfs_ioctl+0x1b1/0x1520 [ 22.569160] ? _cond_resched+0x14/0x30 [ 22.569175] ? ioctl_preallocate+0x2b0/0x2b0 [ 22.569190] ? selinux_capable+0x40/0x40 [ 22.569210] ? SyS_getsockopt+0x18b/0x340 [ 22.569237] ? security_file_ioctl+0x89/0xb0 [ 22.569250] SyS_ioctl+0x8f/0xc0 [ 22.569265] entry_SYSCALL_64_fastpath+0x23/0x9a [ 22.569271] RIP: 0033:0x43fe19 [ 22.569274] RSP: 002b:00007ffcb8450d88 EFLAGS: 00000286 ORIG_RAX: 0000000000000010 [ 22.569281] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043fe19 [ 22.569285] RDX: 0000000020001000 RSI: 00000000c0184908 RDI: 0000000000000003 [ 22.569289] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 22.569293] R10: 0000000020005000 R11: 0000000000000286 R12: 0000000000401780 [ 22.569296] R13: 0000000000401810 R14: 0000000000000000 R15: 0000000000000000 [ 22.593161] Dumping ftrace buffer: [ 22.593254] (ftrace buffer empty) [ 22.593257] Kernel Offset: disabled [ 22.852970] Rebooting in 86400 seconds..