[....] Starting enhanced syslogd: rsyslogd[ 11.661959] audit: type=1400 audit(1515791859.416:5): avc: denied { syslog } for pid=3343 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: [ 18.548948] audit: type=1400 audit(1515791866.303:6): avc: denied { map } for pid=3484 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 '10.128.0.50' (ECDSA) to the list of known hosts. [ 39.016365] audit: type=1400 audit(1515791886.771:7): avc: denied { map } for pid=3501 comm="syzkaller948333" path="/root/syzkaller948333194" 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 [ 39.042495] audit: type=1400 audit(1515791886.771:8): avc: denied { sys_admin } for pid=3501 comm="syzkaller948333" 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 executing program [ 39.238451] audit: type=1400 audit(1515791886.993:9): avc: denied { sys_chroot } for pid=3502 comm="syzkaller948333" 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 [ 39.240655] BUG: unable to handle kernel paging request at ffffed004e8d5f2b [ 39.240669] IP: check_memory_region+0x61/0x190 [ 39.240671] PGD 21ffee067 P4D 21ffee067 PUD 21ffec067 PMD 0 [ 39.240680] Oops: 0000 [#1] SMP KASAN [ 39.240685] Dumping ftrace buffer: [ 39.240688] (ftrace buffer empty) [ 39.240689] Modules linked in: [ 39.240695] CPU: 0 PID: 3502 Comm: syzkaller948333 Not tainted 4.15.0-rc7+ #169 [ 39.240698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.240702] RIP: 0010:check_memory_region+0x61/0x190 [ 39.240704] RSP: 0018:ffff8801c03a75d8 EFLAGS: 00010202 [ 39.240708] RAX: ffffed004e8d5f2b RBX: ffff8802746af95b RCX: ffffffff817deb1c [ 39.240711] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8802746af958 [ 39.240713] RBP: ffff8801c03a75e8 R08: 1ffff1004e8d5f2b R09: ffffed004e8d5f2b [ 39.240716] R10: 0000000000000001 R11: ffffed004e8d5f2b R12: ffffed004e8d5f2c [ 39.240718] R13: ffff8802746af958 R14: ffff8801c0309000 R15: ffff8801c165ae40 [ 39.240722] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:000000000887b840 [ 39.240724] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 39.240727] CR2: ffffed004e8d5f2b CR3: 00000001c0a50006 CR4: 00000000001606f0 [ 39.240732] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.240734] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.240735] Call Trace: [ 39.240741] memcpy+0x23/0x50 [ 39.240747] map_lookup_elem+0x4dc/0xbd0 [ 39.240754] ? bpf_map_get_with_uref+0x110/0x110 [ 39.240760] ? __might_sleep+0x95/0x190 [ 39.240767] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 39.240773] ? selinux_bpf+0xd1/0x110 [ 39.240777] ? security_bpf+0x89/0xb0 [ 39.240783] SyS_bpf+0x922/0x4400 [ 39.240790] ? bpf_prog_get+0x20/0x20 [ 39.240795] ? __lock_acquire+0x664/0x3e00 [ 39.240799] ? check_noncircular+0x20/0x20 [ 39.240804] ? lru_cache_add+0x1c7/0x3a0 [ 39.240810] ? get_mem_cgroup_from_mm+0x710/0x710 [ 39.240814] ? lru_cache_add_file+0x20/0x20 [ 39.240823] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 39.240827] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 39.240834] ? find_held_lock+0x35/0x1d0 [ 39.240844] ? __handle_mm_fault+0x2747/0x3ce0 [ 39.240848] ? lock_downgrade+0x980/0x980 [ 39.240854] ? lock_release+0xa40/0xa40 [ 39.240862] ? do_raw_spin_trylock+0x190/0x190 [ 39.240869] ? check_noncircular+0x20/0x20 [ 39.240876] ? __handle_mm_fault+0x80e/0x3ce0 [ 39.240882] ? check_noncircular+0x20/0x20 [ 39.240886] ? __pmd_alloc+0x4e0/0x4e0 [ 39.240893] ? find_held_lock+0x35/0x1d0 [ 39.240901] ? handle_mm_fault+0x248/0x8d0 [ 39.240907] ? find_held_lock+0x35/0x1d0 [ 39.240917] ? __do_page_fault+0x5f7/0xc90 [ 39.240922] ? lock_downgrade+0x980/0x980 [ 39.240930] ? handle_mm_fault+0x410/0x8d0 [ 39.240933] ? down_read_trylock+0xdb/0x170 [ 39.240937] ? __do_page_fault+0x32d/0xc90 [ 39.240941] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 39.240946] ? vmacache_find+0x5f/0x280 [ 39.240954] ? up_read+0x1a/0x40 [ 39.240964] ? do_fast_syscall_32+0x156/0xf9d [ 39.240970] ? bpf_prog_get+0x20/0x20 [ 39.240974] do_fast_syscall_32+0x3ee/0xf9d [ 39.240982] ? do_int80_syscall_32+0x9d0/0x9d0 [ 39.240990] ? syscall_return_slowpath+0x2ad/0x550 [ 39.240995] ? prepare_exit_to_usermode+0x340/0x340 [ 39.241005] ? retint_user+0x18/0x18 [ 39.241012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.241020] entry_SYSENTER_compat+0x54/0x63 [ 39.241023] RIP: 0023:0xf7ff4c79 [ 39.241025] RSP: 002b:00000000081fff2c EFLAGS: 00000203 ORIG_RAX: 0000000000000165 [ 39.241029] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000020eed000 [ 39.241031] RDX: 0000000000000018 RSI: 0000000000000165 RDI: 0000000000000000 [ 39.241033] RBP: 0000000020000000 R08: 0000000000000000 R09: 0000000000000000 [ 39.241035] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 39.241037] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.241046] Code: 89 f8 49 c1 e8 03 49 89 db 49 c1 eb 03 4d 01 cb 4d 01 c1 4d 8d 63 01 4c 89 c8 4d 89 e2 4d 29 ca 49 83 fa 10 7f 3d 4d 85 d2 74 33 <41> 80 39 00 75 21 48 b8 01 00 00 00 00 fc ff df 4d 01 d1 49 01 [ 39.241114] RIP: check_memory_region+0x61/0x190 RSP: ffff8801c03a75d8 [ 39.241115] CR2: ffffed004e8d5f2b [ 39.241122] ---[ end trace 812b1e25f9fc199c ]--- [ 39.241124] Kernel panic - not syncing: Fatal exception [ 39.262987] Dumping ftrace buffer: [ 39.262991] (ftrace buffer empty) [ 39.262992] Kernel Offset: disabled [ 39.682783] Rebooting in 86400 seconds..