kernel msg: ebtables bug: please report to author: entries_size too small
kernel msg: ebtables bug: please report to author: Wrong len argument
BUG: unable to handle kernel NULL pointer dereference at 00000000000000fc
IP: qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163
PGD 1d241c067 P4D 1d241c067 PUD 1d33ed067 PMD 0 
Oops: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 30606 Comm: syz-executor7 Not tainted 4.16.0-rc6+ #286
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163
RSP: 0000:ffff8801a0fe7568 EFLAGS: 00010246
RAX: ffff8801a2cde9c0 RBX: 0000000000000282 RCX: 0000000000000000
RDX: ffffea00068b3780 RSI: dead0000000000ff RDI: 0000000000000282
RBP: ffff8801a0fe75a0 R08: 0000000000000000 R09: 1ffff100341fce7d
R10: ffff8801a0fe73b0 R11: ffff8801d9417b18 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8801a2cde9c0 R15: ffffffff87acaba0
FS:  0000000000e64940(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000000fc CR3: 00000001d33ec002 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 quarantine_reduce+0x141/0x170 mm/kasan/quarantine.c:259
 kasan_kmalloc+0xca/0xe0 mm/kasan/kasan.c:537
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489
 kmem_cache_alloc+0x12e/0x760 mm/slab.c:3541
 ptlock_alloc+0x24/0x70 mm/memory.c:4728
 ptlock_init include/linux/mm.h:1796 [inline]
 pgtable_page_ctor include/linux/mm.h:1830 [inline]
 pte_alloc_one+0x59/0x100 arch/x86/mm/pgtable.c:32
 __do_huge_pmd_anonymous_page mm/huge_memory.c:565 [inline]
 do_huge_pmd_anonymous_page+0x549/0x19e0 mm/huge_memory.c:729
 create_huge_pmd mm/memory.c:3870 [inline]
 __handle_mm_fault+0x178a/0x38c0 mm/memory.c:4074
 handle_mm_fault+0x44a/0xb10 mm/memory.c:4140
 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1422
 do_page_fault+0xee/0x730 arch/x86/mm/fault.c:1497
 page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1151
RIP: 0033:0x406e0a
RSP: 002b:0000000000a3e9c0 EFLAGS: 00010246
RAX: 0000000020772000 RBX: 000000000072bea0 RCX: 0000000000000002
RDX: 7c08f45a13396487 RSI: 0000000000000000 RDI: 0000000000e64848
RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000731228
R10: 0000000000a3e9c0 R11: 0000000000000246 R12: fffffffffffffffe
R13: ffffffffffffffff R14: 0000000000000000 R15: 000000000000000a
Code: 55 48 89 e5 41 57 41 56 41 55 41 54 49 c7 c7 a0 ab ac 87 53 49 89 f4 48 83 ec 10 48 89 7d c8 4d 85 e4 4d 89 e5 0f 84 c8 00 00 00 <49> 63 95 fc 00 00 00 4c 8b 30 48 29 d0 49 83 3f 00 48 89 c6 0f 
RIP: qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163 RSP: ffff8801a0fe7568
CR2: 00000000000000fc
---[ end trace b9ec63f23cd87006 ]---