[....] Starting enhanced syslogd: rsyslogd[ 12.657704] audit: type=1400 audit(1515790606.004:5): 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: [ 21.259851] audit: type=1400 audit(1515790614.606:6): avc: denied { map } for pid=3493 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 '10.128.0.37' (ECDSA) to the list of known hosts. [ 37.812183] audit: type=1400 audit(1515790631.158:7): avc: denied { map } for pid=3509 comm="syzkaller602893" path="/root/syzkaller602893954" 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 [ 37.838235] audit: type=1400 audit(1515790631.159:8): avc: denied { sys_admin } for pid=3509 comm="syzkaller602893" 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 [ 38.031539] audit: type=1400 audit(1515790631.378:9): avc: denied { sys_chroot } for pid=3510 comm="syzkaller602893" 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 [ 38.034086] BUG: unable to handle kernel paging request at ffffed004e875e33 [ 38.034102] IP: check_memory_region+0x61/0x190 [ 38.034104] PGD 21ffee067 P4D 21ffee067 PUD 21ffec067 PMD 0 [ 38.034113] Oops: 0000 [#1] SMP KASAN [ 38.034120] Dumping ftrace buffer: [ 38.034123] (ftrace buffer empty) [ 38.034124] Modules linked in: [ 38.034131] CPU: 0 PID: 3510 Comm: syzkaller602893 Not tainted 4.15.0-rc7+ #259 [ 38.034134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.034139] RIP: 0010:check_memory_region+0x61/0x190 [ 38.034141] RSP: 0018:ffff8801bfa77770 EFLAGS: 00010202 [ 38.034145] RAX: ffffed004e875e33 RBX: ffff8802743af19b RCX: ffffffff817deb1c [ 38.034147] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8802743af198 [ 38.034150] RBP: ffff8801bfa77780 R08: 1ffff1004e875e33 R09: ffffed004e875e33 [ 38.034152] R10: 0000000000000001 R11: ffffed004e875e33 R12: ffffed004e875e34 [ 38.034155] R13: ffff8802743af198 R14: ffff8801bfc9f000 R15: ffff8801c135a680 [ 38.034158] FS: 0000000001a1d880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 38.034161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.034163] CR2: ffffed004e875e33 CR3: 00000001bfe22003 CR4: 00000000001606f0 [ 38.034169] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.034171] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.034172] Call Trace: [ 38.034178] memcpy+0x23/0x50 [ 38.034186] map_lookup_elem+0x4dc/0xbd0 [ 38.034192] ? bpf_map_get_with_uref+0x110/0x110 [ 38.034200] ? __might_sleep+0x95/0x190 [ 38.034207] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 38.034215] ? selinux_bpf+0xd1/0x110 [ 38.034219] ? security_bpf+0x89/0xb0 [ 38.034225] SyS_bpf+0x922/0x4400 [ 38.034232] ? bpf_prog_get+0x20/0x20 [ 38.034240] ? lock_release+0xa40/0xa40 [ 38.034249] ? do_raw_spin_trylock+0x190/0x190 [ 38.034255] ? check_noncircular+0x20/0x20 [ 38.034265] ? __handle_mm_fault+0x80e/0x3ce0 [ 38.034271] ? check_noncircular+0x20/0x20 [ 38.034274] ? __pmd_alloc+0x4e0/0x4e0 [ 38.034279] ? vma_link+0xe9/0x170 [ 38.034285] ? find_held_lock+0x35/0x1d0 [ 38.034298] ? handle_mm_fault+0x248/0x8d0 [ 38.034304] ? find_held_lock+0x35/0x1d0 [ 38.034314] ? __do_page_fault+0x5f7/0xc90 [ 38.034319] ? lock_downgrade+0x980/0x980 [ 38.034327] ? handle_mm_fault+0x410/0x8d0 [ 38.034330] ? down_read_trylock+0xdb/0x170 [ 38.034334] ? __do_page_fault+0x32d/0xc90 [ 38.034339] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 38.034346] ? vmacache_find+0x5f/0x280 [ 38.034353] ? up_read+0x1a/0x40 [ 38.034357] ? __do_page_fault+0x3d6/0xc90 [ 38.034365] ? mm_fault_error+0x2c0/0x2c0 [ 38.034375] ? do_page_fault+0xee/0x720 [ 38.034382] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 38.034387] ? __do_page_fault+0xc90/0xc90 [ 38.034396] ? SyS_mmap_pgoff+0x243/0x5f0 [ 38.034406] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.034418] entry_SYSCALL_64_fastpath+0x23/0x9a [ 38.034421] RIP: 0033:0x440ac9 [ 38.034423] RSP: 002b:00000000007dff68 EFLAGS: 00000203 ORIG_RAX: 0000000000000141 [ 38.034427] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440ac9 [ 38.034430] RDX: 0000000000000018 RSI: 0000000020eed000 RDI: 0000000000000001 [ 38.034432] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 38.034434] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004022a0 [ 38.034436] R13: 0000000000402330 R14: 0000000000000000 R15: 0000000000000000 [ 38.034445] 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 [ 38.034513] RIP: check_memory_region+0x61/0x190 RSP: ffff8801bfa77770 [ 38.034514] CR2: ffffed004e875e33 [ 38.034522] ---[ end trace 769bd3705f3abe78 ]--- [ 38.034525] Kernel panic - not syncing: Fatal exception [ 38.056097] Dumping ftrace buffer: [ 38.056103] (ftrace buffer empty) [ 38.056105] Kernel Offset: disabled [ 38.430465] Rebooting in 86400 seconds..