[?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. [ 13.140972] audit: type=1400 audit(1513271518.834:6): avc: denied { map } for pid=3131 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-mmots-kasan-gce-7,10.128.15.218' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 19.540858] audit: type=1400 audit(1513271525.234:7): avc: denied { map } for pid=3145 comm="syzkaller032850" path="/root/syzkaller032850305" 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 [ 19.547112] BUG: unable to handle kernel paging request at fffffbfff1ae85f5 [ 19.547128] IP: show_timer+0x1c7/0x2b0 [ 19.547131] PGD 21ffd3067 P4D 21ffd3067 PUD 21ffd2067 PMD 0 [ 19.547143] Oops: 0000 [#1] SMP KASAN [ 19.547149] Dumping ftrace buffer: [ 19.547153] (ftrace buffer empty) [ 19.547155] Modules linked in: [ 19.547163] CPU: 0 PID: 3145 Comm: syzkaller032850 Not tainted 4.15.0-rc2-mm1+ #39 [ 19.547166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.547172] RIP: 0010:show_timer+0x1c7/0x2b0 [ 19.547175] RSP: 0018:ffff8801c57879e0 EFLAGS: 00010806 [ 19.547181] RAX: dffffc0000000000 RBX: ffff8801c5ae8e00 RCX: ffffffff81cd4ece [ 19.547185] RDX: 1ffffffff1ae85f5 RSI: ffffffff8631a6e0 RDI: ffffffff8d742fa8 [ 19.547189] RBP: ffff8801c5787a10 R08: ffffed0038a075b5 R09: ffffed0038a075b5 [ 19.547192] R10: ffff8801c87f4300 R11: ffffed0038a075b4 R12: 0000000001000001 [ 19.547196] R13: ffff8801c5b30280 R14: ffffffff857420a0 R15: 0000000000000c49 [ 19.547201] FS: 0000000001abb880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 19.547205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.547209] CR2: fffffbfff1ae85f5 CR3: 00000001c79ab000 CR4: 00000000001406f0 [ 19.547214] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.547218] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.547220] Call Trace: [ 19.547226] ? timers_start+0x14c/0x1c0 [ 19.547236] traverse+0x248/0xa00 [ 19.547249] ? seq_hlist_next+0xc0/0xc0 [ 19.547263] seq_read+0x96a/0x13d0 [ 19.547281] ? seq_lseek+0x3c0/0x3c0 [ 19.547289] ? selinux_file_permission+0x82/0x460 [ 19.547299] ? security_file_permission+0x89/0x1f0 [ 19.547309] ? rw_verify_area+0xe5/0x2b0 [ 19.547317] do_iter_read+0x3db/0x5b0 [ 19.547326] ? dup_iter+0x260/0x260 [ 19.547340] vfs_readv+0x121/0x1c0 [ 19.547350] ? compat_rw_copy_check_uvector+0x2e0/0x2e0 [ 19.547359] ? mm_fault_error+0x2c0/0x2c0 [ 19.547368] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 19.547377] ? fget_raw+0x20/0x20 [ 19.547385] ? do_page_fault+0xee/0x720 [ 19.547398] ? kasan_check_write+0x14/0x20 [ 19.547404] ? _copy_from_user+0x99/0x110 [ 19.547415] do_preadv+0x11b/0x1a0 [ 19.547420] ? do_preadv+0x11b/0x1a0 [ 19.547430] SyS_preadv+0x30/0x40 [ 19.547440] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 19.547445] RIP: 0033:0x440159 [ 19.547448] RSP: 002b:00007ffdee1f8b18 EFLAGS: 00000217 ORIG_RAX: 0000000000000127 [ 19.547454] RAX: ffffffffffffffda RBX: 00007ffdee1f8b20 RCX: 0000000000440159 [ 19.547457] RDX: 0000000000000001 RSI: 00000000205e2ff0 RDI: 0000000000000003 [ 19.547461] RBP: 0000000000000000 R08: 65732f636f72702f R09: 65732f636f72702f [ 19.547464] R10: 0001000000000000 R11: 0000000000000217 R12: 0000000000401a20 [ 19.547468] R13: 0000000000401ab0 R14: 0000000000000000 R15: 0000000000000000 [ 19.547481] Code: 89 c7 4c 0f 44 f1 41 83 e4 fb 4d 63 e4 e8 d2 e6 a2 ff 4a 8d 3c e5 a0 2f 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 a0 2f 74 85 4c 89 ef [ 19.547593] RIP: show_timer+0x1c7/0x2b0 RSP: ffff8801c57879e0 [ 19.547595] CR2: fffffbfff1ae85f5 [ 19.547603] ---[ end trace 06d0e5038df23ac3 ]--- [ 19.547606] Kernel panic - not syncing: Fatal exception [ 19.567141] Dumping ftrace buffer: [ 19.567144] (ftrace buffer empty) [ 19.567146] Kernel Offset: disabled [ 19.884125] Rebooting in 86400 seconds..