audit: type=1400 audit(1512696048.747:7): avc:  denied  { map } for  pid=3146 comm="syzkaller782464" path="/root/syzkaller782464048" 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
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 3146 Comm: syzkaller782464 Not tainted 4.15.0-rc2-next-20171207+ #62
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:ffff8801c51e7ac8 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: ffff8801c57cfe00 RCX: ffffffff81cd3e8e
RDX: 0000000050ae869d RSI: ffffffff8631a740 RDI: 00000002857434e8
RBP: ffff8801c51e7af8 R08: ffffed00389a49ad R09: ffffed00389a49ad
R10: ffff8801c55ae500 R11: ffffed00389a49ac R12: 0000000060000001
R13: ffff8801c5b2f200 R14: ffffffff857425e0 R15: 0000000000000c4a
FS:  00000000022a5880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020b15000 CR3: 00000001c70e9000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 seq_read+0x385/0x13d0 fs/seq_file.c:234
 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:00007ffd85714a98 EFLAGS: 00000217 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007ffd85714aa0 RCX: 0000000000440159
RDX: 0000000000000001 RSI: 0000000020b15000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 65732f636f72702f R09: 65732f636f72702f
R10: 0000000000000000 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 42 fc a2 ff 4a 8d 3c e5 e0 34 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 34 74 85 4c 89 ef 
RIP: show_timer+0x1c7/0x2b0 fs/proc/base.c:2303 RSP: ffff8801c51e7ac8
---[ end trace ff5c7c600349b8bd ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..