kernel msg: ebtables bug: please report to author: entries_size too small BUG: unable to handle kernel NULL pointer dereference at 00000000000000fd IP: qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163 PGD 0 P4D 0 Oops: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 6289 Comm: blkid Not tainted 4.16.0-rc7+ #292 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: 0018:ffff8801b00373b8 EFLAGS: 00010246 RAX: ffff8801b4f76d40 RBX: 0000000000000282 RCX: 0000000000000000 RDX: ffffea0006d3dd80 RSI: ffffea000659ba9f RDI: 0000000000000282 IPVS: set_ctl: invalid protocol: 98 0.0.0.6:20000 lc RBP: ffff8801b00373f0 R08: 1ffff10036006e45 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffff8801b4f76d40 R15: ffffffff88512760 FS: 00007f066099f7a0(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000fd CR3: 00000001b195e003 CR4: 00000000001606e0 kernel msg: ebtables bug: please report to author: Wrong len argument 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 slab_post_alloc_hook mm/slab.h:443 [inline] slab_alloc mm/slab.c:3380 [inline] kmem_cache_alloc+0x11b/0x760 mm/slab.c:3540 ptlock_alloc mm/memory.c:4728 [inline] ptlock_init include/linux/mm.h:1796 [inline] pgtable_pmd_page_ctor include/linux/mm.h:1888 [inline] pmd_alloc_one arch/x86/include/asm/pgalloc.h:105 [inline] __pmd_alloc+0xb6/0x4e0 mm/memory.c:4221 pmd_alloc include/linux/mm.h:1746 [inline] alloc_new_pmd mm/mremap.c:75 [inline] move_page_tables+0x1218/0x1aa0 mm/mremap.c:224 shift_arg_pages+0x1a9/0x460 fs/exec.c:647 setup_arg_pages+0x637/0x8e0 fs/exec.c:759 load_elf_binary+0xa76/0x4c10 fs/binfmt_elf.c:882 search_binary_handler+0x142/0x6b0 fs/exec.c:1638 exec_binprm fs/exec.c:1680 [inline] do_execveat_common.isra.30+0x1754/0x23c0 fs/exec.c:1802 do_execve fs/exec.c:1847 [inline] SYSC_execve fs/exec.c:1928 [inline] SyS_execve+0x39/0x50 fs/exec.c:1923 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x7f0660083207 RSP: 002b:00007ffe2d483d38 EFLAGS: 00000202 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f0660083207 RDX: 0000000001ff0aa0 RSI: 00007ffe2d483e30 RDI: 00007ffe2d484e40 RBP: 0000000000625500 R08: 0000000000005f6e R09: 0000000000005f6e R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001ff0aa0 R13: 0000000000000007 R14: 0000000001fdf250 R15: 0000000000000005 Code: 55 48 89 e5 41 57 41 56 41 55 41 54 49 c7 c7 60 27 51 88 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: ffff8801b00373b8 CR2: 00000000000000fd ---[ end trace 0c0f30253b88271b ]---