[....] Starting enhanced syslogd: rsyslogd[ 12.717436] audit: type=1400 audit(1515369701.976:5): 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: [ 17.827860] audit: type=1400 audit(1515369707.086:6): avc: denied { map } for pid=3482 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 '10.128.0.15' (ECDSA) to the list of known hosts. [ 23.994076] audit: type=1400 audit(1515369713.252:7): avc: denied { map } for pid=3495 comm="syzkaller040838" path="/root/syzkaller040838668" 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 [ 23.995934] WARNING: CPU: 1 PID: 3495 at drivers/staging/android/ion/ion-ioctl.c:73 ion_ioctl+0x2db/0x380 [ 23.995940] Kernel panic - not syncing: panic_on_warn set ... [ 23.995940] [ 23.995947] CPU: 1 PID: 3495 Comm: syzkaller040838 Not tainted 4.15.0-rc6+ #161 [ 23.995951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.995954] Call Trace: [ 23.995965] dump_stack+0x194/0x257 [ 23.995977] ? arch_local_irq_restore+0x53/0x53 [ 23.995992] ? vsnprintf+0x1ed/0x1900 [ 23.996011] panic+0x1e4/0x41c [ 23.996019] ? refcount_error_report+0x214/0x214 [ 23.996027] ? show_regs_print_info+0x18/0x18 [ 23.996040] ? avc_ss_reset+0x110/0x110 [ 23.996052] ? __warn+0x1c1/0x200 [ 23.996065] ? ion_ioctl+0x2db/0x380 [ 23.996071] __warn+0x1dc/0x200 [ 23.996079] ? ion_ioctl+0x2db/0x380 [ 23.996090] report_bug+0x211/0x2d0 [ 23.996108] fixup_bug.part.11+0x37/0x80 [ 23.996118] do_error_trap+0x2d7/0x3e0 [ 23.996133] ? math_error+0x400/0x400 [ 23.996143] ? __might_fault+0x110/0x1d0 [ 23.996154] ? lock_downgrade+0x980/0x980 [ 23.996173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.996189] do_invalid_op+0x1b/0x20 [ 23.996197] invalid_op+0x22/0x40 [ 23.996203] RIP: 0010:ion_ioctl+0x2db/0x380 [ 23.996207] RSP: 0018:ffff8801cc057ca8 EFLAGS: 00010293 [ 23.996214] RAX: ffff8801c031e300 RBX: 0000000000000018 RCX: ffffffff8411044b [ 23.996218] RDX: 0000000000000000 RSI: 0000000020001018 RDI: ffff8801cc057cdc [ 23.996222] RBP: ffff8801cc057d40 R08: 0000000000000003 R09: ffffed003980af9e [ 23.996226] R10: 0000000000000003 R11: ffffed003980af9d R12: 1ffff1003980af97 [ 23.996230] R13: 00000000c0184908 R14: ffff8801cc057d18 R15: dffffc0000000000 [ 23.996249] ? ion_ioctl+0x2db/0x380 [ 23.996264] ? ion_ioctl+0x2db/0x380 [ 23.996274] ? ion_query_heaps+0x490/0x490 [ 23.996287] ? security_file_ioctl+0x7d/0xb0 [ 23.996294] ? security_file_ioctl+0x89/0xb0 [ 23.996310] compat_SyS_ioctl+0x151/0x2a30 [ 23.996319] ? do_fast_syscall_32+0x156/0xf9d [ 23.996326] ? ion_query_heaps+0x490/0x490 [ 23.996336] ? do_ioctl+0x60/0x60 [ 23.996346] do_fast_syscall_32+0x3ee/0xf9d [ 23.996364] ? do_int80_syscall_32+0x9d0/0x9d0 [ 23.996372] ? kasan_check_read+0x11/0x20 [ 23.996383] ? syscall_return_slowpath+0x550/0x550 [ 23.996394] ? SyS_rt_sigaction+0x94/0x1b0 [ 23.996404] ? SyS_sigprocmask+0x4b0/0x4b0 [ 23.996410] ? SyS_read+0x184/0x220 [ 23.996420] ? sysret32_from_system_call+0x5/0x3b [ 23.996435] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.996454] entry_SYSENTER_compat+0x54/0x63 [ 23.996460] RIP: 0023:0xf7fc3c79 [ 23.996463] RSP: 002b:00000000ffda7a9c EFLAGS: 00000217 ORIG_RAX: 0000000000000036 [ 23.996470] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000c0184908 [ 23.996474] RDX: 0000000020001000 RSI: 0000000000000036 RDI: 00000000ffffffff [ 23.996478] RBP: 00000000800443d3 R08: 0000000000000000 R09: 0000000000000000 [ 23.996482] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 23.996489] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 24.019999] Dumping ftrace buffer: [ 24.020058] (ftrace buffer empty) [ 24.020061] Kernel Offset: disabled [ 24.324414] Rebooting in 86400 seconds..