[?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. [ 17.867131] audit: type=1400 audit(1518458599.529:6): avc: denied { map } for pid=4096 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.30' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.156578] audit: type=1400 audit(1518458605.819:7): avc: denied { map } for pid=4110 comm="syzkaller462229" path="/root/syzkaller462229386" 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 [ 24.190731] audit: type=1400 audit(1518458605.853:8): avc: denied { prog_load } for pid=4110 comm="syzkaller462229" 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 [ 24.218890] audit: type=1400 audit(1518458605.881:9): avc: denied { prog_run } for pid=4110 comm="syzkaller462229" 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 [ 24.219127] WARNING: CPU: 1 PID: 4110 at mm/slab_common.c:1012 kmalloc_slab+0x5d/0x70 [ 24.249282] Kernel panic - not syncing: panic_on_warn set ... [ 24.249282] [ 24.256617] CPU: 1 PID: 4110 Comm: syzkaller462229 Not tainted 4.16.0-rc1+ #12 [ 24.263947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.273275] Call Trace: [ 24.275840] dump_stack+0x194/0x257 [ 24.279444] ? arch_local_irq_restore+0x53/0x53 [ 24.284087] ? add_lock_to_list.isra.29+0x24d/0x352 [ 24.289099] ? vsnprintf+0x1ed/0x1900 [ 24.292897] panic+0x1e4/0x41c [ 24.296062] ? refcount_error_report+0x214/0x214 [ 24.300788] ? show_regs_print_info+0x18/0x18 [ 24.305265] ? __warn+0x1c1/0x200 [ 24.308694] ? kmalloc_slab+0x5d/0x70 [ 24.312470] __warn+0x1dc/0x200 [ 24.315724] ? kmalloc_slab+0x5d/0x70 [ 24.319499] report_bug+0x211/0x2d0 [ 24.323105] fixup_bug.part.11+0x37/0x80 [ 24.327140] do_error_trap+0x2d7/0x3e0 [ 24.331003] ? print_irqtrace_events+0x270/0x270 [ 24.335736] ? math_error+0x400/0x400 [ 24.339519] ? check_noncircular+0x20/0x20 [ 24.343727] ? mutex_lock_io_nested+0x1900/0x1900 [ 24.348581] ? check_noncircular+0x20/0x20 [ 24.352794] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.357614] do_invalid_op+0x1b/0x20 [ 24.361304] invalid_op+0x22/0x40 [ 24.364747] RIP: 0010:kmalloc_slab+0x5d/0x70 [ 24.369136] RSP: 0018:ffff8801be09f798 EFLAGS: 00010246 [ 24.374471] RAX: 0000000000000000 RBX: 1ffff10037c13f22 RCX: ffffffff817e12fd [ 24.381712] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000fffff8a4 [ 24.388954] RBP: ffff8801be09f798 R08: ffffed0037c13f26 R09: ffffed0037c13f26 [ 24.396193] R10: 0000000000000001 R11: ffffed0037c13f26 R12: ffff8801d90d8080 [ 24.403437] R13: ffff8801be09f930 R14: 00000000014280c0 R15: 000000003ffffe29 [ 24.410693] ? bpf_prog_array_copy_to_user+0x7d/0x480 [ 24.415860] ? lock_downgrade+0x980/0x980 [ 24.419980] __kmalloc+0x25/0x760 [ 24.423410] ? lock_release+0xa40/0xa40 [ 24.427356] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 24.433211] ? bpf_prog_array_copy_to_user+0x98/0x480 [ 24.438377] bpf_prog_array_copy_to_user+0x98/0x480 [ 24.443369] ? bpf_prog_array_length+0x2d0/0x2d0 [ 24.448101] ? kasan_check_read+0x11/0x20 [ 24.452224] ? _copy_to_user+0xa2/0xc0 [ 24.456087] bpf_prog_array_copy_info+0x17b/0x1c0 [ 24.460907] ? bpf_prog_array_copy+0x370/0x370 [ 24.465482] perf_event_query_prog_array+0x196/0x280 [ 24.470560] ? perf_event_detach_bpf_prog+0x3d0/0x3d0 [ 24.475723] ? __bpf_prog_get+0x81/0x220 [ 24.479763] perf_ioctl+0x3e1/0x1480 [ 24.483460] ? SYSC_perf_event_open+0x2f10/0x2f10 [ 24.488275] ? mark_held_locks+0xaf/0x100 [ 24.492398] ? check_noncircular+0x20/0x20 [ 24.496606] ? find_held_lock+0x35/0x1d0 [ 24.500646] ? handle_mm_fault+0x270/0x970 [ 24.504858] ? find_held_lock+0x35/0x1d0 [ 24.508901] ? __do_page_fault+0x5f7/0xc90 [ 24.513111] ? lock_downgrade+0x980/0x980 [ 24.517234] ? SYSC_perf_event_open+0x2f10/0x2f10 [ 24.522051] do_vfs_ioctl+0x1b1/0x1520 [ 24.525921] ? handle_mm_fault+0x43b/0x970 [ 24.530129] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 24.535032] ? ioctl_preallocate+0x2b0/0x2b0 [ 24.539415] ? selinux_capable+0x40/0x40 [ 24.543462] ? up_read+0x1a/0x40 [ 24.546814] ? security_file_ioctl+0x7d/0xb0 [ 24.551196] ? security_file_ioctl+0x89/0xb0 [ 24.555582] SyS_ioctl+0x8f/0xc0 [ 24.558922] ? do_vfs_ioctl+0x1520/0x1520 [ 24.563048] do_syscall_64+0x282/0x940 [ 24.566909] ? __do_page_fault+0xc90/0xc90 [ 24.571118] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.575850] ? syscall_return_slowpath+0x550/0x550 [ 24.580753] ? syscall_return_slowpath+0x2ac/0x550 [ 24.585657] ? prepare_exit_to_usermode+0x350/0x350 [ 24.590649] ? entry_SYSCALL_64_after_hwframe+0x36/0x9b [ 24.595994] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.600819] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 24.605981] RIP: 0033:0x43ff89 [ 24.609145] RSP: 002b:00007ffd84f05b68 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 24.616825] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043ff89 [ 24.624069] RDX: 00000000206a8000 RSI: 00000000c008240a RDI: 0000000000000003 [ 24.631312] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 24.638554] R10: 0000000000000000 R11: 0000000000000217 R12: 00000000004018b0 [ 24.645795] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 24.653667] Dumping ftrace buffer: [ 24.657284] (ftrace buffer empty) [ 24.660969] Kernel Offset: disabled [ 24.664572] Rebooting in 86400 seconds..