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 BUG: unable to handle kernel paging request at fffffbfff1ae861d 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: 3163 Comm: syzkaller499213 Not tainted 4.15.0-rc3-next-20171212+ #65 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:ffff8801c45c79e0 EFLAGS: 00010806 RAX: dffffc0000000000 RBX: ffff8801c45b7e00 RCX: ffffffff81cd3dbe RDX: 1ffffffff1ae861d RSI: ffffffff8631a680 RDI: ffffffff8d7430e8 RBP: ffff8801c45c7a10 R08: ffffed00388bf1bd R09: ffffed00388bf1bd R10: ffff8801c52f4180 R11: ffffed00388bf1bc R12: 0000000001000001 R13: ffff8801c52b66c0 R14: ffffffff857421e0 R15: 0000000000000c5b FS: 0000000001d65880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff1ae861d CR3: 00000001c4594000 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:00007ffcd67db598 EFLAGS: 00000217 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007ffcd67db5a0 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 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 RIP: show_timer+0x1c7/0x2b0 fs/proc/base.c:2303 RSP: ffff8801c45c79e0 CR2: fffffbfff1ae861d ---[ end trace 8c02dc10b9c50d46 ]---