[....] Starting enhanced syslogd: rsyslogd[ 15.649073] audit: type=1400 audit(1517334477.488:5): avc: denied { syslog } for pid=3988 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: [ 20.823110] audit: type=1400 audit(1517334482.662:6): avc: denied { map } for pid=4128 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 '10.128.0.57' (ECDSA) to the list of known hosts. executing program [ 41.824889] audit: type=1400 audit(1517334503.664:7): avc: denied { map } for pid=4145 comm="syzkaller844681" path="/root/syzkaller844681651" 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 [ 41.850846] audit: type=1400 audit(1517334503.667:8): avc: denied { prog_load } for pid=4145 comm="syzkaller844681" 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 [ 41.874084] audit: type=1400 audit(1517334503.713:9): avc: denied { prog_run } for pid=4145 comm="syzkaller844681" 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 [ 41.874414] kasan: CONFIG_KASAN_INLINE enabled [ 41.874417] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 41.874423] general protection fault: 0000 [#1] SMP KASAN [ 41.874427] Dumping ftrace buffer: [ 41.874430] (ftrace buffer empty) [ 41.874431] Modules linked in: [ 41.874438] CPU: 0 PID: 4145 Comm: syzkaller844681 Not tainted 4.15.0-rc9+ #9 [ 41.874440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.874450] RIP: 0010:___bpf_prog_run+0xec7/0x6020 [ 41.874452] RSP: 0018:ffff8801b208f4d0 EFLAGS: 00010246 [ 41.874456] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff817d64e5 [ 41.874459] RDX: 0000000000000000 RSI: ffffc900013dc030 RDI: ffffc900013dc04a [ 41.874461] RBP: ffff8801b208f5d8 R08: 1ffff10036411e23 R09: 0000000000000002 [ 41.874463] R10: ffff8801b208f5d8 R11: 0000000000000000 R12: ffff8801b208f650 [ 41.874465] R13: ffffc900013dc048 R14: 0000000000000000 R15: ffff8801b208f678 [ 41.874469] FS: 0000000001cfe880(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 [ 41.874471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.874473] CR2: 000000002072b000 CR3: 00000001b6a9d002 CR4: 00000000001606f0 [ 41.874478] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.874480] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.874482] Call Trace: [ 41.874490] ? bpf_test_run+0x2cf/0x330 [ 41.874497] ? bpf_jit_compile+0x30/0x30 [ 41.874506] ? pvclock_read_flags+0x160/0x160 [ 41.874514] __bpf_prog_run32+0xce/0x130 [ 41.874519] ? __bpf_prog_run64+0x130/0x130 [ 41.874524] ? ktime_get+0x26f/0x3a0 [ 41.874535] ? lock_release+0xa40/0xa40 [ 41.874539] ? ktime_get_resolution_ns+0x300/0x300 [ 41.874549] ? rcutorture_record_progress+0x10/0x10 [ 41.874554] ? __might_sleep+0x95/0x190 [ 41.874561] ? bpf_test_run+0x131/0x330 [ 41.874565] bpf_test_run+0xb0/0x330 [ 41.874570] ? kasan_check_write+0x14/0x20 [ 41.874577] ? bpf_test_init.isra.7+0x50/0xe0 [ 41.874583] bpf_prog_test_run_xdp+0x270/0x470 [ 41.874589] ? bpf_prog_test_run_skb+0x9b0/0x9b0 [ 41.874596] ? selinux_capable+0x36/0x40 [ 41.874604] ? __bpf_prog_get+0x81/0x220 [ 41.874608] ? bpf_prog_test_run_skb+0x9b0/0x9b0 [ 41.874613] SyS_bpf+0x13bc/0x4860 [ 41.874620] ? bpf_prog_get+0x20/0x20 [ 41.874626] ? lock_release+0xa40/0xa40 [ 41.874633] ? do_raw_spin_trylock+0x190/0x190 [ 41.874640] ? check_noncircular+0x20/0x20 [ 41.874650] ? __handle_mm_fault+0x80e/0x3ce0 [ 41.874657] ? check_noncircular+0x20/0x20 [ 41.874660] ? __pmd_alloc+0x4e0/0x4e0 [ 41.874665] ? vma_link+0xe9/0x170 [ 41.874671] ? find_held_lock+0x35/0x1d0 [ 41.874679] ? handle_mm_fault+0x248/0x8d0 [ 41.874685] ? find_held_lock+0x35/0x1d0 [ 41.874694] ? __do_page_fault+0x5f7/0xc90 [ 41.874699] ? lock_downgrade+0x980/0x980 [ 41.874707] ? handle_mm_fault+0x410/0x8d0 [ 41.874711] ? down_read_trylock+0xdb/0x170 [ 41.874714] ? __do_page_fault+0x32d/0xc90 [ 41.874719] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 41.874722] ? vmacache_find+0x5f/0x280 [ 41.874729] ? up_read+0x1a/0x40 [ 41.874734] ? __do_page_fault+0x3d6/0xc90 [ 41.874742] ? mm_fault_error+0x2c0/0x2c0 [ 41.874746] ? __fdget+0x18/0x20 [ 41.874752] ? sockfd_lookup_light+0x104/0x150 [ 41.874760] ? do_page_fault+0xee/0x720 [ 41.874765] ? __do_page_fault+0xc90/0xc90 [ 41.874774] ? SyS_mmap_pgoff+0x243/0x5f0 [ 41.874784] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.874794] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 41.874797] RIP: 0033:0x43ff99 [ 41.874799] RSP: 002b:00007ffc75aba9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000141 [ 41.874803] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043ff99 [ 41.874805] RDX: 0000000000000028 RSI: 0000000020f7cfd8 RDI: 000000000000000a [ 41.874807] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 41.874809] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004018c0 [ 41.874811] R13: 0000000000401950 R14: 0000000000000000 R15: 0000000000000000 [ 41.874820] Code: 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 7c 4f 00 00 4d 0f bf 75 02 41 0f b6 45 01 4d 01 fe 83 e0 0f 4d 8d 3c c4 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 0f 85 77 49 00 00 4c 89 f8 4d 8b 36 48 c1 e8 03 80 [ 41.874889] RIP: ___bpf_prog_run+0xec7/0x6020 RSP: ffff8801b208f4d0 [ 41.874896] ---[ end trace 3891966c6c38a115 ]--- [ 41.874898] Kernel panic - not syncing: Fatal exception [ 41.896786] Dumping ftrace buffer: [ 41.896788] (ftrace buffer empty) [ 41.896790] Kernel Offset: disabled [ 42.318841] Rebooting in 86400 seconds..