[....] Starting enhanced syslogd: rsyslogd[ 13.902088] audit: type=1400 audit(1513096759.031:5): avc: denied { syslog } for pid=3008 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: [ 20.496170] audit: type=1400 audit(1513096765.625:6): avc: denied { map } for pid=3149 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 'ci-upstream-next-kasan-gce-1,10.128.15.206' (ECDSA) to the list of known hosts. executing program [ 26.808198] audit: type=1400 audit(1513096771.937:7): avc: denied { map } for pid=3163 comm="syzkaller499213" path="/root/syzkaller499213833" 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 [ 26.812990] BUG: unable to handle kernel paging request at fffffbfff1ae861d [ 26.813010] IP: show_timer+0x1c7/0x2b0 [ 26.813013] PGD 21ffd3067 P4D 21ffd3067 PUD 21ffd2067 PMD 0 [ 26.813026] Oops: 0000 [#1] SMP KASAN [ 26.813033] Dumping ftrace buffer: [ 26.813037] (ftrace buffer empty) [ 26.813039] Modules linked in: [ 26.813048] CPU: 0 PID: 3163 Comm: syzkaller499213 Not tainted 4.15.0-rc3-next-20171212+ #65 [ 26.813051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.813057] RIP: 0010:show_timer+0x1c7/0x2b0 [ 26.813060] RSP: 0018:ffff8801c45c79e0 EFLAGS: 00010806 [ 26.813066] RAX: dffffc0000000000 RBX: ffff8801c45b7e00 RCX: ffffffff81cd3dbe [ 26.813070] RDX: 1ffffffff1ae861d RSI: ffffffff8631a680 RDI: ffffffff8d7430e8 [ 26.813074] RBP: ffff8801c45c7a10 R08: ffffed00388bf1bd R09: ffffed00388bf1bd [ 26.813077] R10: ffff8801c52f4180 R11: ffffed00388bf1bc R12: 0000000001000001 [ 26.813081] R13: ffff8801c52b66c0 R14: ffffffff857421e0 R15: 0000000000000c5b [ 26.813086] FS: 0000000001d65880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 26.813090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.813094] CR2: fffffbfff1ae861d CR3: 00000001c4594000 CR4: 00000000001406f0 [ 26.813100] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.813103] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.813105] Call Trace: [ 26.813112] ? timers_start+0x14c/0x1c0 [ 26.813122] traverse+0x248/0xa00 [ 26.813135] ? seq_hlist_next+0xc0/0xc0 [ 26.813149] seq_read+0x96a/0x13d0 [ 26.813171] ? seq_lseek+0x3c0/0x3c0 [ 26.813179] ? selinux_file_permission+0x82/0x460 [ 26.813190] ? security_file_permission+0x89/0x1f0 [ 26.813199] ? rw_verify_area+0xe5/0x2b0 [ 26.813208] do_iter_read+0x3db/0x5b0 [ 26.813216] ? dup_iter+0x260/0x260 [ 26.813230] vfs_readv+0x121/0x1c0 [ 26.813240] ? compat_rw_copy_check_uvector+0x2e0/0x2e0 [ 26.813250] ? mm_fault_error+0x2c0/0x2c0 [ 26.813260] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 26.813270] ? fget_raw+0x20/0x20 [ 26.813278] ? do_page_fault+0xee/0x720 [ 26.813291] ? kasan_check_write+0x14/0x20 [ 26.813297] ? _copy_from_user+0x99/0x110 [ 26.813308] do_preadv+0x11b/0x1a0 [ 26.813314] ? do_preadv+0x11b/0x1a0 [ 26.813323] SyS_preadv+0x30/0x40 [ 26.813336] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 26.813341] RIP: 0033:0x440159 [ 26.813344] RSP: 002b:00007ffcd67db598 EFLAGS: 00000217 ORIG_RAX: 0000000000000127 [ 26.813349] RAX: ffffffffffffffda RBX: 00007ffcd67db5a0 RCX: 0000000000440159 [ 26.813353] RDX: 0000000000000001 RSI: 00000000205e2ff0 RDI: 0000000000000003 [ 26.813357] RBP: 0000000000000000 R08: 65732f636f72702f R09: 65732f636f72702f [ 26.813360] R10: 0001000000000000 R11: 0000000000000217 R12: 0000000000401a20 [ 26.813363] R13: 0000000000401ab0 R14: 0000000000000000 R15: 0000000000000000 [ 26.813377] Code: 89 c7 4c 0f 44 f1 41 83 e4 fb 4d 63 e4 e8 92 e2 a2 ff 4a 8d 3c e5 e0 30 74 85 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a2 00 00 00 4a 8b 14 e5 e0 30 74 85 4c 89 ef [ 26.813489] RIP: show_timer+0x1c7/0x2b0 RSP: ffff8801c45c79e0 [ 26.813491] CR2: fffffbfff1ae861d [ 26.813499] ---[ end trace 8c02dc10b9c50d46 ]--- [ 26.813502] Kernel panic - not syncing: Fatal exception [ 26.834551] Dumping ftrace buffer: [ 26.834553] (ftrace buffer empty) [ 26.834556] Kernel Offset: disabled [ 27.152525] Rebooting in 86400 seconds..