[....] Starting enhanced syslogd: rsyslogd[ 16.519819] audit: type=1400 audit(1518631511.136:5): avc: denied { syslog } for pid=4005 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: [ 18.933801] audit: type=1400 audit(1518631513.550:6): avc: denied { map } for pid=4145 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 '10.128.0.43' (ECDSA) to the list of known hosts. executing program [ 25.462723] audit: type=1400 audit(1518631520.079:7): avc: denied { map } for pid=4159 comm="syzkaller321832" path="/root/syzkaller321832685" 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 [ 25.488690] audit: type=1400 audit(1518631520.079:8): avc: denied { prog_load } for pid=4159 comm="syzkaller321832" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 25.511815] audit: type=1400 audit(1518631520.128:9): avc: denied { prog_run } for pid=4159 comm="syzkaller321832" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 25.542408] WARNING: CPU: 0 PID: 4159 at mm/slab_common.c:1012 kmalloc_slab+0x5d/0x70 [ 25.550437] Kernel panic - not syncing: panic_on_warn set ... [ 25.550437] [ 25.557791] CPU: 0 PID: 4159 Comm: syzkaller321832 Not tainted 4.16.0-rc1+ #13 [ 25.565139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.574468] Call Trace: [ 25.577038] dump_stack+0x194/0x257 [ 25.580649] ? arch_local_irq_restore+0x53/0x53 [ 25.585304] ? vsnprintf+0x1ed/0x1900 [ 25.589098] panic+0x1e4/0x41c [ 25.592269] ? refcount_error_report+0x214/0x214 [ 25.597003] ? show_regs_print_info+0x18/0x18 [ 25.601495] ? __warn+0x1c1/0x200 [ 25.604933] ? kmalloc_slab+0x5d/0x70 [ 25.608709] __warn+0x1dc/0x200 [ 25.611968] ? kmalloc_slab+0x5d/0x70 [ 25.615757] report_bug+0x211/0x2d0 [ 25.619375] fixup_bug.part.11+0x37/0x80 [ 25.623414] do_error_trap+0x2d7/0x3e0 [ 25.627295] ? math_error+0x400/0x400 [ 25.631096] ? check_noncircular+0x20/0x20 [ 25.635322] ? check_noncircular+0x20/0x20 [ 25.639540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.644372] do_invalid_op+0x1b/0x20 [ 25.648061] invalid_op+0x22/0x40 [ 25.651488] RIP: 0010:kmalloc_slab+0x5d/0x70 [ 25.655869] RSP: 0018:ffff8801c33d7798 EFLAGS: 00010246 [ 25.661211] RAX: 0000000000000000 RBX: 1ffff1003867af22 RCX: ffffffff817e12fd [ 25.668458] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000100000084 [ 25.675703] RBP: ffff8801c33d7798 R08: ffffed003867af26 R09: ffffed003867af26 [ 25.682948] R10: 0000000000000001 R11: ffffed003867af26 R12: ffff8801b46c5080 [ 25.690194] R13: ffff8801c33d7930 R14: 00000000014280c0 R15: 0000000040000021 [ 25.697465] ? bpf_prog_array_copy_to_user+0x7d/0x480 [ 25.702647] ? lock_downgrade+0x980/0x980 [ 25.706773] __kmalloc+0x25/0x760 [ 25.710208] ? lock_release+0xa40/0xa40 [ 25.714163] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 25.720045] ? bpf_prog_array_copy_to_user+0x98/0x480 [ 25.725223] bpf_prog_array_copy_to_user+0x98/0x480 [ 25.730226] ? bpf_prog_array_length+0x2d0/0x2d0 [ 25.734968] ? kasan_check_read+0x11/0x20 [ 25.739101] ? _copy_to_user+0xa2/0xc0 [ 25.742977] bpf_prog_array_copy_info+0x17b/0x1c0 [ 25.747809] ? bpf_prog_array_copy+0x370/0x370 [ 25.752390] perf_event_query_prog_array+0x196/0x280 [ 25.757483] ? perf_event_detach_bpf_prog+0x3d0/0x3d0 [ 25.762671] perf_ioctl+0x3e1/0x1480 [ 25.766365] ? SYSC_perf_event_open+0x2f10/0x2f10 [ 25.771186] ? mark_held_locks+0xaf/0x100 [ 25.775314] ? check_noncircular+0x20/0x20 [ 25.779527] ? find_held_lock+0x35/0x1d0 [ 25.783584] ? handle_mm_fault+0x270/0x970 [ 25.787828] ? find_held_lock+0x35/0x1d0 [ 25.791884] ? __do_page_fault+0x5f7/0xc90 [ 25.796096] ? lock_downgrade+0x980/0x980 [ 25.800231] ? SYSC_perf_event_open+0x2f10/0x2f10 [ 25.805051] do_vfs_ioctl+0x1b1/0x1520 [ 25.808916] ? handle_mm_fault+0x43b/0x970 [ 25.813141] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 25.818054] ? ioctl_preallocate+0x2b0/0x2b0 [ 25.822445] ? selinux_capable+0x40/0x40 [ 25.826492] ? up_read+0x1a/0x40 [ 25.829863] ? security_file_ioctl+0x7d/0xb0 [ 25.834255] ? security_file_ioctl+0x89/0xb0 [ 25.838652] SyS_ioctl+0x8f/0xc0 [ 25.841999] ? do_vfs_ioctl+0x1520/0x1520 [ 25.846129] do_syscall_64+0x282/0x940 [ 25.849993] ? __do_page_fault+0xc90/0xc90 [ 25.854205] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.858941] ? syscall_return_slowpath+0x550/0x550 [ 25.863849] ? syscall_return_slowpath+0x2ac/0x550 [ 25.868759] ? prepare_exit_to_usermode+0x350/0x350 [ 25.873756] ? retint_user+0x18/0x18 [ 25.877456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.882288] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 25.887451] RIP: 0033:0x43ffe9 [ 25.890616] RSP: 002b:00007ffe7966abf8 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 25.898309] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043ffe9 [ 25.905553] RDX: 0000000020fb4000 RSI: 00000000c008240a RDI: 0000000000000004 [ 25.912808] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 25.920053] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000401910 [ 25.927296] R13: 00000000004019a0 R14: 0000000000000000 R15: 0000000000000000 [ 25.935527] Dumping ftrace buffer: [ 25.939155] (ftrace buffer empty) [ 25.942841] Kernel Offset: disabled [ 25.946451] Rebooting in 86400 seconds..