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 BUG: unable to handle kernel paging request at fffffbfff1ae85f5 IP: show_timer+0x1c7/0x2b0 fs/proc/base.c:2303 PGD 21ffd3067 P4D 21ffd3067 PUD 21ffd2067 PMD 0 Oops: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 3145 Comm: syzkaller032850 Not tainted 4.15.0-rc2-mm1+ #39 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:show_timer+0x1c7/0x2b0 fs/proc/base.c:2303 RSP: 0018:ffff8801c57879e0 EFLAGS: 00010806 RAX: dffffc0000000000 RBX: ffff8801c5ae8e00 RCX: ffffffff81cd4ece RDX: 1ffffffff1ae85f5 RSI: ffffffff8631a6e0 RDI: ffffffff8d742fa8 RBP: ffff8801c5787a10 R08: ffffed0038a075b5 R09: ffffed0038a075b5 R10: ffff8801c87f4300 R11: ffffed0038a075b4 R12: 0000000001000001 R13: ffff8801c5b30280 R14: ffffffff857420a0 R15: 0000000000000c49 FS: 0000000001abb880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff1ae85f5 CR3: 00000001c79ab000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: traverse+0x248/0xa00 fs/seq_file.c:111 seq_read+0x96a/0x13d0 fs/seq_file.c:189 do_loop_readv_writev fs/read_write.c:673 [inline] do_iter_read+0x3db/0x5b0 fs/read_write.c:897 vfs_readv+0x121/0x1c0 fs/read_write.c:959 do_preadv+0x11b/0x1a0 fs/read_write.c:1043 SYSC_preadv fs/read_write.c:1093 [inline] SyS_preadv+0x30/0x40 fs/read_write.c:1088 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x440159 RSP: 002b:00007ffdee1f8b18 EFLAGS: 00000217 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007ffdee1f8b20 RCX: 0000000000440159 RDX: 0000000000000001 RSI: 00000000205e2ff0 RDI: 0000000000000003 RBP: 0000000000000000 R08: 65732f636f72702f R09: 65732f636f72702f R10: 0001000000000000 R11: 0000000000000217 R12: 0000000000401a20 R13: 0000000000401ab0 R14: 0000000000000000 R15: 0000000000000000 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 RIP: show_timer+0x1c7/0x2b0 fs/proc/base.c:2303 RSP: ffff8801c57879e0 CR2: fffffbfff1ae85f5 ---[ end trace 06d0e5038df23ac3 ]---