[....] Starting enhanced syslogd: rsyslogd[ 12.760258] audit: type=1400 audit(1515802652.054:5): avc: denied { syslog } for pid=3345 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: [ 19.668699] audit: type=1400 audit(1515802658.962:6): 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 '10.128.15.215' (ECDSA) to the list of known hosts. [ 41.832131] audit: type=1400 audit(1515802681.125:7): avc: denied { map } for pid=3501 comm="syzkaller171822" path="/root/syzkaller171822080" 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 [ 41.858206] audit: type=1400 audit(1515802681.126:8): avc: denied { sys_admin } for pid=3501 comm="syzkaller171822" 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 [ 41.884718] audit: type=1400 audit(1515802681.178:9): avc: denied { sys_chroot } for pid=3502 comm="syzkaller171822" 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 [ 41.886801] BUG: unable to handle kernel paging request at ffffed004e559f2b [ 41.886814] IP: check_memory_region+0x61/0x190 [ 41.886815] PGD 21ffee067 P4D 21ffee067 PUD 21ffec067 PMD 0 [ 41.886824] Oops: 0000 [#1] SMP KASAN [ 41.886829] Dumping ftrace buffer: [ 41.886831] (ftrace buffer empty) [ 41.886833] Modules linked in: [ 41.886838] CPU: 0 PID: 3502 Comm: syzkaller171822 Not tainted 4.15.0-rc7+ #185 [ 41.886841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.886845] RIP: 0010:check_memory_region+0x61/0x190 [ 41.886847] RSP: 0018:ffff8801bf467770 EFLAGS: 00010202 [ 41.886851] RAX: ffffed004e559f2b RBX: ffff880272acf95b RCX: ffffffff817e42ac [ 41.886853] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff880272acf958 [ 41.886856] RBP: ffff8801bf467780 R08: 1ffff1004e559f2b R09: ffffed004e559f2b [ 41.886858] R10: 0000000000000001 R11: ffffed004e559f2b R12: ffffed004e559f2c [ 41.886864] R13: ffff880272acf958 R14: ffff8801c00752c0 R15: ffff8801bfa7ae40 [ 41.886868] FS: 00000000020e8880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 41.886871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.886873] CR2: ffffed004e559f2b CR3: 00000001c033b003 CR4: 00000000001606f0 [ 41.886877] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.886879] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.886880] Call Trace: [ 41.886887] memcpy+0x23/0x50 [ 41.886893] map_lookup_elem+0x4dc/0xbd0 [ 41.886900] ? bpf_map_get_with_uref+0x110/0x110 [ 41.886907] ? __might_sleep+0x95/0x190 [ 41.886913] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 41.886919] ? selinux_bpf+0xd1/0x110 [ 41.886924] ? security_bpf+0x89/0xb0 [ 41.886929] SyS_bpf+0x922/0x4400 [ 41.886936] ? bpf_prog_get+0x20/0x20 [ 41.886943] ? lock_release+0xa40/0xa40 [ 41.886951] ? do_raw_spin_trylock+0x190/0x190 [ 41.886957] ? check_noncircular+0x20/0x20 [ 41.886966] ? __handle_mm_fault+0x80e/0x3ce0 [ 41.886973] ? check_noncircular+0x20/0x20 [ 41.886976] ? __pmd_alloc+0x4e0/0x4e0 [ 41.886980] ? vma_link+0xe9/0x170 [ 41.886987] ? find_held_lock+0x35/0x1d0 [ 41.886994] ? handle_mm_fault+0x248/0x8d0 [ 41.887000] ? find_held_lock+0x35/0x1d0 [ 41.887012] ? __do_page_fault+0x5f7/0xc90 [ 41.887017] ? lock_downgrade+0x980/0x980 [ 41.887025] ? handle_mm_fault+0x410/0x8d0 [ 41.887028] ? down_read_trylock+0xdb/0x170 [ 41.887032] ? __do_page_fault+0x32d/0xc90 [ 41.887036] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 41.887039] ? vmacache_find+0x5f/0x280 [ 41.887046] ? up_read+0x1a/0x40 [ 41.887051] ? __do_page_fault+0x3d6/0xc90 [ 41.887058] ? mm_fault_error+0x2c0/0x2c0 [ 41.887068] ? do_page_fault+0xee/0x720 [ 41.887074] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 41.887079] ? __do_page_fault+0xc90/0xc90 [ 41.887087] ? SyS_mmap_pgoff+0x243/0x5f0 [ 41.887097] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.887107] entry_SYSCALL_64_fastpath+0x23/0x9a [ 41.887110] RIP: 0033:0x440ac9 [ 41.887112] RSP: 002b:00000000007dff68 EFLAGS: 00000203 ORIG_RAX: 0000000000000141 [ 41.887115] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440ac9 [ 41.887117] RDX: 0000000000000018 RSI: 0000000020eed000 RDI: 0000000000000001 [ 41.887119] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 41.887121] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004022a0 [ 41.887123] R13: 0000000000402330 R14: 0000000000000000 R15: 0000000000000000 [ 41.887132] 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 [ 41.887200] RIP: check_memory_region+0x61/0x190 RSP: ffff8801bf467770 [ 41.887201] CR2: ffffed004e559f2b [ 41.887208] ---[ end trace dc6203f482163b6a ]--- [ 41.887210] Kernel panic - not syncing: Fatal exception [ 41.909201] Dumping ftrace buffer: [ 41.909203] (ftrace buffer empty) [ 41.909205] Kernel Offset: disabled [ 42.283293] Rebooting in 86400 seconds..