BUG: unable to handle kernel paging request at fffffffb853421e0
IP: show_timer+0x1cb/0x2a0 fs/proc/base.c:2274
PGD 5e25067 P4D 5e25067 PUD 0 
Oops: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 4970 Comm: syz-executor6 Not tainted 4.15.0-rc3+ #134
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:show_timer+0x1cb/0x2a0 fs/proc/base.c:2274
RSP: 0018:ffff8801c4ae7928 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8801c5f57890 RCX: ffffffff81cca618
RDX: 1fffffff70a6843c RSI: ffffc9000436b000 RDI: fffffffb853421e0
RBP: ffff8801c4ae7958 R08: ffffed00388bd57d R09: ffffed00388bd57d
R10: ffff8801c4ae76a0 R11: ffffed00388bd57c R12: ffffffff80000000
R13: ffff8801c4bfc2c0 R14: ffffffff853412a0 R15: 00000000000000c9
FS:  0000000000000000(0000) GS:ffff8801db400000(0063) knlGS:00000000f770bb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: fffffffb853421e0 CR3: 00000001bc27a005 CR4: 00000000001626f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 seq_read+0xb5a/0x13d0 fs/seq_file.c:269
 do_loop_readv_writev fs/read_write.c:673 [inline]
 do_iter_read+0x3d2/0x5a0 fs/read_write.c:897
 compat_readv+0x1bf/0x270 fs/read_write.c:1140
 do_compat_preadv64+0xd6/0x100 fs/read_write.c:1189
 C_SYSC_preadv fs/read_write.c:1209 [inline]
 compat_SyS_preadv+0x3b/0x50 fs/read_write.c:1203
 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
 do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125
RIP: 0023:0xf7f0fc79
RSP: 002b:00000000f770b08c EFLAGS: 00000296 ORIG_RAX: 000000000000014d
RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 00000000205e2ff0
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Code: 4d 63 e4 e8 08 30 a3 ff 4a 8d 3c e5 e0 21 34 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 21 34 85 4c 89 ef 45 89 f8 4c 89 f1 48 c7 c6 60 
RIP: show_timer+0x1cb/0x2a0 fs/proc/base.c:2274 RSP: ffff8801c4ae7928
CR2: fffffffb853421e0
---[ end trace 4ee85c2697ee9394 ]---