[....] Starting enhanced syslogd: rsyslogd[ 12.730437] audit: type=1400 audit(1512894643.548:5): avc: denied { syslog } for pid=2991 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: [ 34.486095] audit: type=1400 audit(1512894665.303:6): avc: denied { map } for pid=3137 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 'ci-upstream-next-kasan-gce-1,10.128.0.21' (ECDSA) to the list of known hosts. [ 40.595378] audit: type=1400 audit(1512894671.413:7): avc: denied { map } for pid=3149 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2017/12/10 08:31:11 parsed 1 programs 2017/12/10 08:31:11 executed programs: 0 [ 41.065750] audit: type=1400 audit(1512894671.883:8): avc: denied { map } for pid=3149 comm="syz-execprog" path="/root/syzkaller-shm222012666" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 41.091375] audit: type=1400 audit(1512894671.892:9): avc: denied { sys_admin } for pid=3154 comm="syz-executor0" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 41.116539] audit: type=1400 audit(1512894671.934:10): avc: denied { sys_chroot } for pid=3156 comm="syz-executor0" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 41.119928] binder: 3157:3158 ioctl 40046205 81 returned -22 [ 41.120893] binder: 3157:3158 ERROR: BC_REGISTER_LOOPER called without request [ 41.120905] binder: 3158 RLIMIT_NICE not set [ 41.143227] binder: 3158 RLIMIT_NICE not set [ 41.156800] binder: release 3157:3158 transaction 2 in, still active [ 41.156813] binder: send failed reply for transaction 2 to 3157:3159 [ 41.161515] binder: 3157:3158 ioctl 40046205 81 returned -22 [ 41.166378] binder: 3157:3158 ERROR: BC_REGISTER_LOOPER called without request [ 41.166389] binder: 3158 RLIMIT_NICE not set [ 41.166481] binder: 3158 RLIMIT_NICE not set [ 41.177778] binder: release 3157:3158 transaction 4 in, still active [ 41.177787] binder: send failed reply for transaction 4 to 3157:3159 [ 41.177790] ------------[ cut here ]------------ [ 41.177794] Unexpected reply error: 29189 [ 41.177892] WARNING: CPU: 0 PID: 1400 at drivers/android/binder.c:1985 binder_send_failed_reply+0x13b/0x390 [ 41.177898] Kernel panic - not syncing: panic_on_warn set ... [ 41.177898] [ 41.177908] CPU: 0 PID: 1400 Comm: kworker/0:2 Not tainted 4.15.0-rc2-next-20171208+ #63 [ 41.177912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.177919] Workqueue: events binder_deferred_func [ 41.177925] Call Trace: [ 41.177934] dump_stack+0x194/0x257 [ 41.177944] ? arch_local_irq_restore+0x53/0x53 [ 41.177956] ? vsnprintf+0x1ed/0x1900 [ 41.177968] panic+0x1e4/0x41c [ 41.177975] ? refcount_error_report+0x214/0x214 [ 41.177981] ? show_regs_print_info+0x18/0x18 [ 41.177994] ? __warn+0x1c1/0x200 [ 41.178008] ? binder_send_failed_reply+0x13b/0x390 [ 41.178013] __warn+0x1dc/0x200 [ 41.178019] ? binder_send_failed_reply+0x13b/0x390 [ 41.178028] report_bug+0x211/0x2d0 [ 41.178042] fixup_bug.part.11+0x37/0x80 [ 41.178050] do_error_trap+0x2d7/0x3e0 [ 41.178060] ? math_error+0x400/0x400 [ 41.178065] ? vprintk_emit+0x3ea/0x590 [ 41.178073] ? vprintk_emit+0x3ea/0x590 [ 41.178088] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.178100] do_invalid_op+0x1b/0x20 [ 41.178107] invalid_op+0x22/0x40 [ 41.178113] RIP: 0010:binder_send_failed_reply+0x13b/0x390 [ 41.178116] RSP: 0018:ffff8801d272f1d0 EFLAGS: 00010282 [ 41.178123] RAX: dffffc0000000008 RBX: ffff8801d6fa0600 RCX: ffffffff815a060e [ 41.178127] RDX: 0000000000000000 RSI: 1ffff1003a4e01c9 RDI: 0000000000000293 [ 41.178131] RBP: ffff8801d272f1f8 R08: 1ffff1003a4e5dcd R09: 0000000000000000 [ 41.178134] R10: 000000000000000b R11: 0000000000000000 R12: ffff8801c49d1ac0 [ 41.178138] R13: 0000000000007205 R14: 0000000000007205 R15: 0000000000000c55 [ 41.178152] ? vprintk_func+0x5e/0xc0 [ 41.178168] binder_thread_release+0x263/0x540 [ 41.178182] binder_deferred_func+0x567/0x12f0 [ 41.178202] ? binder_cleanup_ref_olocked+0xab0/0xab0 [ 41.178210] ? unwind_next_frame.part.6+0x1a6/0xb40 [ 41.178215] ? unwind_dump+0x4d0/0x4d0 [ 41.178222] ? set_next_entity+0x2ed/0xd70 [ 41.178233] ? find_held_lock+0x39/0x1d0 [ 41.178243] ? check_noncircular+0x20/0x20 [ 41.178257] ? lock_acquire+0x1d5/0x580 [ 41.178265] ? process_one_work+0xb2f/0x1bc0 [ 41.178272] ? __save_stack_trace+0x6e/0xd0 [ 41.178287] ? __lock_is_held+0xbc/0x140 [ 41.178310] process_one_work+0xbfd/0x1bc0 [ 41.178328] ? pwq_dec_nr_in_flight+0x450/0x450 [ 41.178335] ? finish_task_switch+0x1f6/0x740 [ 41.178366] ? __sched_text_start+0x8/0x8 [ 41.178378] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 41.178389] ? check_noncircular+0x20/0x20 [ 41.178399] ? find_held_lock+0x39/0x1d0 [ 41.178417] ? lock_acquire+0x1d5/0x580 [ 41.178423] ? worker_thread+0x4a3/0x1990 [ 41.178435] ? lock_release+0xda0/0xda0 [ 41.178442] ? retint_kernel+0x10/0x10 [ 41.178451] ? do_raw_spin_trylock+0x190/0x190 [ 41.178469] worker_thread+0x223/0x1990 [ 41.178494] ? process_one_work+0x1bc0/0x1bc0 [ 41.178504] ? _raw_spin_unlock_irq+0x27/0x70 [ 41.178512] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.178519] ? trace_hardirqs_on+0xd/0x10 [ 41.178526] ? mmdrop+0x18/0x30 [ 41.178533] ? finish_task_switch+0x1f6/0x740 [ 41.178544] ? copy_overflow+0x20/0x20 [ 41.178560] ? __schedule+0x8f3/0x2060 [ 41.178565] ? check_noncircular+0x20/0x20 [ 41.178584] ? find_held_lock+0x39/0x1d0 [ 41.178597] ? find_held_lock+0x39/0x1d0 [ 41.178613] ? lock_downgrade+0x980/0x980 [ 41.178620] ? default_wake_function+0x30/0x50 [ 41.178634] ? __schedule+0x2060/0x2060 [ 41.178640] ? do_wait_intr_irq+0x3e0/0x3e0 [ 41.178649] ? do_raw_spin_trylock+0x190/0x190 [ 41.178658] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 41.178666] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.178673] ? trace_hardirqs_on+0xd/0x10 [ 41.178679] ? __kthread_parkme+0x175/0x240 [ 41.178688] kthread+0x37a/0x440 [ 41.178694] ? process_one_work+0x1bc0/0x1bc0 [ 41.178699] ? kthread_stop+0x7b0/0x7b0 [ 41.178707] ret_from_fork+0x24/0x30 [ 41.182241] Dumping ftrace buffer: [ 41.182299] (ftrace buffer empty) [ 41.182303] Kernel Offset: disabled [ 41.607780] Rebooting in 86400 seconds..