audit: type=1400 audit(1515791886.993:9): avc:  denied  { sys_chroot } for  pid=3502 comm="syzkaller948333" capability=18  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
BUG: unable to handle kernel paging request at ffffed004e8d5f2b
IP: bytes_is_nonzero mm/kasan/kasan.c:166 [inline]
IP: memory_is_nonzero mm/kasan/kasan.c:184 [inline]
IP: memory_is_poisoned_n mm/kasan/kasan.c:210 [inline]
IP: memory_is_poisoned mm/kasan/kasan.c:241 [inline]
IP: check_memory_region_inline mm/kasan/kasan.c:257 [inline]
IP: check_memory_region+0x61/0x190 mm/kasan/kasan.c:267
PGD 21ffee067 P4D 21ffee067 PUD 21ffec067 PMD 0 
Oops: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 3502 Comm: syzkaller948333 Not tainted 4.15.0-rc7+ #169
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bytes_is_nonzero mm/kasan/kasan.c:166 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/kasan.c:184 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:210 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline]
RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline]
RIP: 0010:check_memory_region+0x61/0x190 mm/kasan/kasan.c:267
RSP: 0018:ffff8801c03a75d8 EFLAGS: 00010202
RAX: ffffed004e8d5f2b RBX: ffff8802746af95b RCX: ffffffff817deb1c
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8802746af958
RBP: ffff8801c03a75e8 R08: 1ffff1004e8d5f2b R09: ffffed004e8d5f2b
R10: 0000000000000001 R11: ffffed004e8d5f2b R12: ffffed004e8d5f2c
R13: ffff8802746af958 R14: ffff8801c0309000 R15: ffff8801c165ae40
FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:000000000887b840
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffffed004e8d5f2b CR3: 00000001c0a50006 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 memcpy+0x23/0x50 mm/kasan/kasan.c:302
 memcpy include/linux/string.h:344 [inline]
 map_lookup_elem+0x4dc/0xbd0 kernel/bpf/syscall.c:584
 SYSC_bpf kernel/bpf/syscall.c:1711 [inline]
 SyS_bpf+0x922/0x4400 kernel/bpf/syscall.c:1685
 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+0x54/0x63 arch/x86/entry/entry_64_compat.S:129
RIP: 0023:0xf7ff4c79
RSP: 002b:00000000081fff2c EFLAGS: 00000203 ORIG_RAX: 0000000000000165
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000020eed000
RDX: 0000000000000018 RSI: 0000000000000165 RDI: 0000000000000000
RBP: 0000000020000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Code: 89 f8 49 c1 e8 03 49 89 db 49 c1 eb 03 4d 01 cb 4d 01 c1 4d 8d 63 01 4c 89 c8 4d 89 e2 4d 29 ca 49 83 fa 10 7f 3d 4d 85 d2 74 33 <41> 80 39 00 75 21 48 b8 01 00 00 00 00 fc ff df 4d 01 d1 49 01 
RIP: bytes_is_nonzero mm/kasan/kasan.c:166 [inline] RSP: ffff8801c03a75d8
RIP: memory_is_nonzero mm/kasan/kasan.c:184 [inline] RSP: ffff8801c03a75d8
RIP: memory_is_poisoned_n mm/kasan/kasan.c:210 [inline] RSP: ffff8801c03a75d8
RIP: memory_is_poisoned mm/kasan/kasan.c:241 [inline] RSP: ffff8801c03a75d8
RIP: check_memory_region_inline mm/kasan/kasan.c:257 [inline] RSP: ffff8801c03a75d8
RIP: check_memory_region+0x61/0x190 mm/kasan/kasan.c:267 RSP: ffff8801c03a75d8
CR2: ffffed004e8d5f2b
---[ end trace 812b1e25f9fc199c ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..