[....] Starting enhanced syslogd: rsyslogd[ 11.978823] audit: type=1400 audit(1515307553.937:5): avc: denied { syslog } for pid=3337 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 18.266436] audit: type=1400 audit(1515307560.225:6): avc: denied { map } for pid=3478 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 '10.128.15.218' (ECDSA) to the list of known hosts. [ 39.272276] audit: type=1400 audit(1515307581.231:7): avc: denied { map } for pid=3495 comm="syzkaller246000" path="/root/syzkaller246000897" 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 [ 39.273677] WARNING: CPU: 0 PID: 3495 at drivers/staging/android/ion/ion-ioctl.c:73 ion_ioctl+0x2db/0x380 [ 39.273680] Kernel panic - not syncing: panic_on_warn set ... [ 39.273680] [ 39.273686] CPU: 0 PID: 3495 Comm: syzkaller246000 Not tainted 4.15.0-rc6+ #160 [ 39.273688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.273690] Call Trace: [ 39.273700] dump_stack+0x194/0x257 [ 39.273708] ? arch_local_irq_restore+0x53/0x53 [ 39.273717] ? vsnprintf+0x1ed/0x1900 [ 39.273727] panic+0x1e4/0x41c [ 39.273733] ? refcount_error_report+0x214/0x214 [ 39.273739] ? show_regs_print_info+0x18/0x18 [ 39.273747] ? avc_ss_reset+0x110/0x110 [ 39.273755] ? __warn+0x1c1/0x200 [ 39.273762] ? ion_ioctl+0x2db/0x380 [ 39.273766] __warn+0x1dc/0x200 [ 39.273771] ? ion_ioctl+0x2db/0x380 [ 39.273778] report_bug+0x211/0x2d0 [ 39.273790] fixup_bug.part.11+0x37/0x80 [ 39.273797] do_error_trap+0x2d7/0x3e0 [ 39.273806] ? math_error+0x400/0x400 [ 39.273813] ? __might_fault+0x110/0x1d0 [ 39.273821] ? lock_downgrade+0x980/0x980 [ 39.273832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.273842] do_invalid_op+0x1b/0x20 [ 39.273847] invalid_op+0x22/0x40 [ 39.273851] RIP: 0010:ion_ioctl+0x2db/0x380 [ 39.273853] RSP: 0018:ffff8801c044fca8 EFLAGS: 00010293 [ 39.273858] RAX: ffff8801bfc4a000 RBX: 0000000000000018 RCX: ffffffff8410fdfb [ 39.273860] RDX: 0000000000000000 RSI: 0000000020001018 RDI: ffff8801c044fce8 [ 39.273863] RBP: ffff8801c044fd40 R08: 00000000000002ff R09: ffffed0038089f9e [ 39.273865] R10: 0000000000000003 R11: ffffed0038089f9d R12: 1ffff10038089f97 [ 39.273868] R13: ffff8801c044fcd8 R14: ffff8801c044fd18 R15: dffffc0000000000 [ 39.273880] ? ion_ioctl+0x2db/0x380 [ 39.273889] ? ion_ioctl+0x2db/0x380 [ 39.273895] ? ion_query_heaps+0x490/0x490 [ 39.273904] ? security_file_ioctl+0x7d/0xb0 [ 39.273909] ? security_file_ioctl+0x89/0xb0 [ 39.273921] compat_SyS_ioctl+0x151/0x2a30 [ 39.273926] ? do_fast_syscall_32+0x156/0xf9d [ 39.273930] ? ion_query_heaps+0x490/0x490 [ 39.273937] ? do_ioctl+0x60/0x60 [ 39.273943] do_fast_syscall_32+0x3ee/0xf9d [ 39.273954] ? do_int80_syscall_32+0x9d0/0x9d0 [ 39.273961] ? kasan_check_read+0x11/0x20 [ 39.273968] ? syscall_return_slowpath+0x550/0x550 [ 39.273976] ? SyS_rt_sigaction+0x94/0x1b0 [ 39.273982] ? SyS_sigprocmask+0x4b0/0x4b0 [ 39.273987] ? SyS_read+0x184/0x220 [ 39.273993] ? sysret32_from_system_call+0x5/0x3b [ 39.274009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.274020] entry_SYSENTER_compat+0x54/0x63 [ 39.274024] RIP: 0023:0xf7f71c79 [ 39.274026] RSP: 002b:00000000ff86126c EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 39.274030] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000c0184908 [ 39.274033] RDX: 0000000020001000 RSI: 00000000080ea00c RDI: 000000000000003f [ 39.274035] RBP: 0000000000001000 R08: 0000000000000000 R09: 0000000000000000 [ 39.274037] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 39.274040] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.298162] Dumping ftrace buffer: [ 39.298272] (ftrace buffer empty) [ 39.298275] Kernel Offset: disabled [ 39.596085] Rebooting in 86400 seconds..