[....] Starting enhanced syslogd: rsyslogd[ 11.584451] audit: type=1400 audit(1514734706.782:5): 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 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: [ 14.615970] audit: type=1400 audit(1514734709.813:6): avc: denied { map } for pid=3486 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 '10.128.15.231' (ECDSA) to the list of known hosts. [ 27.864632] audit: type=1400 audit(1514734723.062:7): avc: denied { map } for pid=3502 comm="syzkaller809746" path="/root/syzkaller809746698" 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 [ 27.866018] WARNING: CPU: 0 PID: 3502 at drivers/staging/android/ion/ion-ioctl.c:73 ion_ioctl+0x2db/0x380 [ 27.866022] Kernel panic - not syncing: panic_on_warn set ... [ 27.866022] [ 27.866028] CPU: 0 PID: 3502 Comm: syzkaller809746 Not tainted 4.15.0-rc5+ #154 [ 27.866030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.866032] Call Trace: [ 27.866039] dump_stack+0x194/0x257 [ 27.866047] ? arch_local_irq_restore+0x53/0x53 [ 27.866057] ? vsnprintf+0x1ed/0x1900 [ 27.866067] panic+0x1e4/0x41c [ 27.866072] ? refcount_error_report+0x214/0x214 [ 27.866079] ? show_regs_print_info+0x18/0x18 [ 27.866086] ? avc_ss_reset+0x110/0x110 [ 27.866094] ? __warn+0x1c1/0x200 [ 27.866101] ? ion_ioctl+0x2db/0x380 [ 27.866105] __warn+0x1dc/0x200 [ 27.866110] ? ion_ioctl+0x2db/0x380 [ 27.866117] report_bug+0x211/0x2d0 [ 27.866129] fixup_bug.part.11+0x37/0x80 [ 27.866135] do_error_trap+0x2d7/0x3e0 [ 27.866144] ? math_error+0x400/0x400 [ 27.866151] ? __might_fault+0x110/0x1d0 [ 27.866158] ? lock_downgrade+0x980/0x980 [ 27.866169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.866179] do_invalid_op+0x1b/0x20 [ 27.866185] invalid_op+0x22/0x40 [ 27.866189] RIP: 0010:ion_ioctl+0x2db/0x380 [ 27.866191] RSP: 0018:ffff8801bfce7ca8 EFLAGS: 00010293 [ 27.866196] RAX: ffff8801bfea00c0 RBX: 0000000000000018 RCX: ffffffff8410f0fb [ 27.866198] RDX: 0000000000000000 RSI: 0000000020002018 RDI: ffff8801bfce7cdc [ 27.866201] RBP: ffff8801bfce7d40 R08: 0000000000000000 R09: ffffed0037f9cf9e [ 27.866203] R10: 0000000000000003 R11: ffffed0037f9cf9d R12: 1ffff10037f9cf97 [ 27.866206] R13: 00000000c0184908 R14: ffff8801bfce7d18 R15: dffffc0000000000 [ 27.866217] ? ion_ioctl+0x2db/0x380 [ 27.866226] ? ion_ioctl+0x2db/0x380 [ 27.866232] ? ion_query_heaps+0x490/0x490 [ 27.866241] ? security_file_ioctl+0x7d/0xb0 [ 27.866246] ? security_file_ioctl+0x89/0xb0 [ 27.866256] compat_SyS_ioctl+0x151/0x2a30 [ 27.866262] ? do_fast_syscall_32+0x156/0xf9d [ 27.866266] ? ion_query_heaps+0x490/0x490 [ 27.866273] ? do_ioctl+0x60/0x60 [ 27.866278] do_fast_syscall_32+0x3ee/0xf9d [ 27.866289] ? do_int80_syscall_32+0x9d0/0x9d0 [ 27.866296] ? kasan_check_read+0x11/0x20 [ 27.866303] ? syscall_return_slowpath+0x550/0x550 [ 27.866310] ? SyS_rt_sigaction+0x94/0x1b0 [ 27.866316] ? SyS_sigprocmask+0x4b0/0x4b0 [ 27.866321] ? SyS_read+0x184/0x220 [ 27.866326] ? sysret32_from_system_call+0x5/0x3b [ 27.866336] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.866347] entry_SYSENTER_compat+0x54/0x63 [ 27.866350] RIP: 0023:0xf7f92c79 [ 27.866353] RSP: 002b:00000000ffe832ec EFLAGS: 00000213 ORIG_RAX: 0000000000000036 [ 27.866357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000c0184908 [ 27.866359] RDX: 0000000020002000 RSI: 00000000000000b6 RDI: 0000000020002000 [ 27.866362] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.866364] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 27.866366] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 27.890517] Dumping ftrace buffer: [ 27.890576] (ftrace buffer empty) [ 27.890579] Kernel Offset: disabled [ 28.188288] Rebooting in 86400 seconds..