pit: kvm: requested 5866 ns i8254 timer period limited to 500000 ns BUG: unable to handle kernel paging request at ffffed004f5e9633 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: 5502 Comm: syz-executor0 Not tainted 4.15.0-rc7+ #259 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:ffff8801c3c17770 EFLAGS: 00010202 RAX: ffffed004f5e9633 RBX: ffff88027af4b19b RCX: ffffffff817deb1c RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88027af4b198 RBP: ffff8801c3c17780 R08: 1ffff1004f5e9633 R09: ffffed004f5e9633 R10: 0000000000000001 R11: ffffed004f5e9633 R12: ffffed004f5e9634 R13: ffff88027af4b198 R14: ffff8801c423c0c1 R15: ffff8801c7ef6680 FS: 00007f6a02f39700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed004f5e9633 CR3: 00000001cd3df004 CR4: 00000000001606f0 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 entry_SYSCALL_64_fastpath+0x23/0x9a RIP: 0033:0x452ac9 RSP: 002b:00007f6a02f38c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 RDX: 0000000000000018 RSI: 0000000020eed000 RDI: 0000000000000001 RBP: 00000000000003aa R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3890 R13: 00000000ffffffff R14: 00007f6a02f396d4 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: ffff8801c3c17770 RIP: memory_is_nonzero mm/kasan/kasan.c:184 [inline] RSP: ffff8801c3c17770 RIP: memory_is_poisoned_n mm/kasan/kasan.c:210 [inline] RSP: ffff8801c3c17770 RIP: memory_is_poisoned mm/kasan/kasan.c:241 [inline] RSP: ffff8801c3c17770 RIP: check_memory_region_inline mm/kasan/kasan.c:257 [inline] RSP: ffff8801c3c17770 RIP: check_memory_region+0x61/0x190 mm/kasan/kasan.c:267 RSP: ffff8801c3c17770 CR2: ffffed004f5e9633 ---[ end trace 86a388d30b15e9d1 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..