R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: unable to handle kernel paging request at fffffffc21511f28
IP: show_timer+0x1d1/0x2b0 fs/proc/base.c:2274
PGD 5e28067 P4D 5e28067 PUD 0 
Oops: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 11296 Comm: syz-executor3 Not tainted 4.15.0-rc2+ #122
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:show_timer+0x1d1/0x2b0 fs/proc/base.c:2274
RSP: 0018:ffff8801befc7840 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff880198885dc0 RCX: ffffffff81cd11fe
RDX: 1fffffff842a23e5 RSI: ffffc90004263000 RDI: fffffffc21511f28
RBP: ffff8801befc7870 R08: ffffed0037e9986d R09: ffffed0037e9986d
R10: ffff8801bf786580 R11: ffffed0037e9986c R12: ffffffff93839da9
R13: ffff8801cb118c00 R14: ffffffff853422a0 R15: 0000000000000322
FS:  0000000000000000(0000) GS:ffff8801db400000(0063) knlGS:00000000f778ab40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: fffffffc21511f28 CR3: 00000001c6af1000 CR4: 00000000001406f0
DR0: 0000000020000008 DR1: 0000000020000008 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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
 compat_readv+0x1bf/0x270 fs/read_write.c:1140
 do_compat_preadv64+0xdc/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: 0023:0xf7f8ec79
RSP: 002b:00000000f778a08c EFLAGS: 00000296 ORIG_RAX: 000000000000014d
RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 0000000020389000
RDX: 0000000000000001 RSI: 00000000ffffffff 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 12 26 a3 ff 4a 8d 3c e5 e0 31 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 31 34 85 4c 89 ef 45 89 f8 4c 89 f1 48 c7 c6 60 
RIP: show_timer+0x1d1/0x2b0 fs/proc/base.c:2274 RSP: ffff8801befc7840
CR2: fffffffc21511f28
---[ end trace 7713a8ce034e7ccd ]---