[....] Starting enhanced syslogd: rsyslogd[ 11.973905] audit: type=1400 audit(1515791875.272:5): avc: denied { syslog } for pid=3353 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: [ 17.325101] audit: type=1400 audit(1515791880.623:6): avc: denied { map } for pid=3491 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 '10.128.15.223' (ECDSA) to the list of known hosts. [ 23.547793] audit: type=1400 audit(1515791886.846:7): avc: denied { map } for pid=3506 comm="syzkaller029728" path="/root/syzkaller029728544" 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 executing program [ 23.574085] audit: type=1400 audit(1515791886.846:8): avc: denied { sys_admin } for pid=3506 comm="syzkaller029728" 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 [ 23.604461] audit: type=1400 audit(1515791886.903:9): avc: denied { sys_chroot } for pid=3507 comm="syzkaller029728" 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 [ 23.607833] BUG: unable to handle kernel paging request at ffffed004e7a8bdb [ 23.607855] IP: check_memory_region+0x61/0x190 [ 23.607857] PGD 21ffee067 P4D 21ffee067 PUD 21ffec067 PMD 0 [ 23.607870] Oops: 0000 [#1] SMP KASAN [ 23.607877] Dumping ftrace buffer: [ 23.607881] (ftrace buffer empty) [ 23.607884] Modules linked in: [ 23.607893] CPU: 1 PID: 3507 Comm: syzkaller029728 Not tainted 4.15.0-rc7-mm1+ #54 [ 23.607896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.607903] RIP: 0010:check_memory_region+0x61/0x190 [ 23.607907] RSP: 0018:ffff8801c0307770 EFLAGS: 00010202 [ 23.607913] RAX: ffffed004e7a8bdb RBX: ffff880273d45edb RCX: ffffffff817ec63c [ 23.607916] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff880273d45ed8 [ 23.607920] RBP: ffff8801c0307780 R08: 1ffff1004e7a8bdb R09: ffffed004e7a8bdb [ 23.607924] R10: 0000000000000001 R11: ffffed004e7a8bdb R12: ffffed004e7a8bdc [ 23.607928] R13: ffff880273d45ed8 R14: ffff8801c01b1ac0 R15: ffff8801c0cf13c0 [ 23.607933] FS: 0000000000a5b880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 23.607937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.607941] CR2: ffffed004e7a8bdb CR3: 00000001c05ca004 CR4: 00000000001606e0 [ 23.607947] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.607950] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.607952] Call Trace: [ 23.607961] memcpy+0x23/0x50 [ 23.607978] map_lookup_elem+0x4dc/0xbd0 [ 23.607989] ? bpf_map_get_with_uref+0x110/0x110 [ 23.607999] ? __might_sleep+0x95/0x190 [ 23.608013] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 23.608023] ? selinux_bpf+0xd1/0x110 [ 23.608030] ? security_bpf+0x89/0xb0 [ 23.608040] SyS_bpf+0x922/0x4400 [ 23.608051] ? bpf_prog_get+0x20/0x20 [ 23.608063] ? lock_release+0xa40/0xa40 [ 23.608072] ? do_raw_spin_trylock+0x190/0x190 [ 23.608084] ? check_noncircular+0x20/0x20 [ 23.608097] ? __handle_mm_fault+0x80e/0x3ce0 [ 23.608107] ? check_noncircular+0x20/0x20 [ 23.608113] ? __pmd_alloc+0x4e0/0x4e0 [ 23.608117] ? vma_link+0xe9/0x170 [ 23.608129] ? find_held_lock+0x35/0x1d0 [ 23.608141] ? handle_mm_fault+0x2a0/0x930 [ 23.608151] ? find_held_lock+0x35/0x1d0 [ 23.608165] ? __do_page_fault+0x5f7/0xc90 [ 23.608172] ? lock_downgrade+0x980/0x980 [ 23.608185] ? handle_mm_fault+0x476/0x930 [ 23.608191] ? down_read_trylock+0xdb/0x170 [ 23.608200] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 23.608205] ? vmacache_find+0x5f/0x280 [ 23.608217] ? up_read+0x1a/0x40 [ 23.608224] ? __do_page_fault+0x3d6/0xc90 [ 23.608237] ? mm_fault_error+0x2c0/0x2c0 [ 23.608252] ? do_page_fault+0xee/0x720 [ 23.608260] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 23.608267] ? __do_page_fault+0xc90/0xc90 [ 23.608280] ? SyS_mmap_pgoff+0x243/0x5f0 [ 23.608295] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.608308] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 23.608313] RIP: 0033:0x440ac9 [ 23.608316] RSP: 002b:00000000007dff68 EFLAGS: 00000203 ORIG_RAX: 0000000000000141 [ 23.608322] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440ac9 [ 23.608326] RDX: 0000000000000018 RSI: 0000000020eed000 RDI: 0000000000000001 [ 23.608329] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 23.608332] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004022a0 [ 23.608336] R13: 0000000000402330 R14: 0000000000000000 R15: 0000000000000000 [ 23.608350] 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 [ 23.608464] RIP: check_memory_region+0x61/0x190 RSP: ffff8801c0307770 [ 23.608466] CR2: ffffed004e7a8bdb [ 23.608477] ---[ end trace b769dc7873759aa9 ]--- [ 23.608480] Kernel panic - not syncing: Fatal exception [ 23.628987] Dumping ftrace buffer: [ 23.628990] (ftrace buffer empty) [ 23.628992] Kernel Offset: disabled [ 23.999439] Rebooting in 86400 seconds..