BUG: unable to handle kernel paging request at ffffebe004000020 IP: virt_to_head_page include/linux/mm.h:615 [inline] IP: qlink_to_cache mm/kasan/quarantine.c:127 [inline] IP: qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163 PGD 0 P4D 0 Oops: 0000 [#1] SMP KASAN Dumping ftrace buffer: SELinux: unrecognized netlink message: protocol=0 nlmsg_type=44003 sclass=netlink_route_socket pig=31643 comm=syz-executor2 (ftrace buffer empty) Modules linked in: CPU: 1 PID: 31638 Comm: modprobe Not tainted 4.16.0-rc4+ #261 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:virt_to_head_page include/linux/mm.h:615 [inline] RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:127 [inline] RIP: 0010:qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163 RSP: 0018:ffff8801ccf77408 EFLAGS: 00010286 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=44003 sclass=netlink_route_socket pig=31655 comm=syz-executor2 RAX: 0000000100000001 RBX: 0000000000000286 RCX: ffffea0000000000 RDX: ffffebe004000000 RSI: ffff8801b5672be0 RDI: 0000000000000286 RBP: ffff8801ccf77440 R08: 1ffff100399eee4f R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000100000001 R15: ffffffff86ec9920 FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffebe004000020 CR3: 00000001b0ed6004 CR4: 00000000001606e0 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:3379 [inline] kmem_cache_alloc+0x11b/0x760 mm/slab.c:3539 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+0x31/0x40 fs/exec.c:1847 call_usermodehelper_exec_async+0x457/0x8f0 kernel/umh.c:100 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:406 Code: 00 00 00 80 48 01 c2 72 44 48 b9 00 00 00 80 ff 77 00 00 48 01 ca 48 b9 00 00 00 00 00 ea ff ff 48 c1 ea 0c 48 c1 e2 06 48 01 ca <48> 8b 4a 20 48 8d 71 ff 83 e1 01 48 0f 45 d6 4c 8b 6a 30 e9 f4 RIP: virt_to_head_page include/linux/mm.h:615 [inline] RSP: ffff8801ccf77408 RIP: qlink_to_cache mm/kasan/quarantine.c:127 [inline] RSP: ffff8801ccf77408 RIP: qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163 RSP: ffff8801ccf77408 CR2: ffffebe004000020 ---[ end trace 977581ac463a83c9 ]---