SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=31498 comm=syz-executor0 BUG: unable to handle kernel NULL pointer dereference at 00000000d88ff112 IP: qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163 PGD 1cc962067 P4D 1cc962067 PUD 1ce4ea067 PMD 0 Oops: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 31576 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #147 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: 00000000cf2f5b0f task.stack: 00000000dd709c7e RIP: 0010:qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163 RSP: 0000:ffff8801cf5474d0 EFLAGS: 00010246 RAX: ffff8801cd124500 RBX: 0000000000000286 RCX: 0000000000000000 RDX: ffffea0007344900 RSI: ffffea000735109f RDI: 0000000000000286 RBP: ffff8801cf547508 R08: 1ffff10039ea8e68 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffff8801cd124500 R15: ffffffff85ecb440 FS: 0000000002a42940(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000105 CR3: 00000001c2dc4000 CR4: 00000000001406f0 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:536 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489 slab_post_alloc_hook mm/slab.h:442 [inline] slab_alloc mm/slab.c:3385 [inline] kmem_cache_alloc+0x11b/0x760 mm/slab.c:3545 anon_vma_chain_alloc mm/rmap.c:128 [inline] __anon_vma_prepare+0xbc/0x6b0 mm/rmap.c:182 anon_vma_prepare include/linux/rmap.h:153 [inline] do_huge_pmd_anonymous_page+0x1127/0x1b00 mm/huge_memory.c:678 create_huge_pmd mm/memory.c:3828 [inline] __handle_mm_fault+0x1b9f/0x3e20 mm/memory.c:4031 handle_mm_fault+0x334/0x8d0 mm/memory.c:4097 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1429 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1504 page_fault+0x22/0x30 arch/x86/entry/entry_64.S:1094 RIP: 0033:0x405887 RSP: 002b:0000000000a6f910 EFLAGS: 00010246 RAX: 000000002000cff4 RBX: 000000002000cff8 RCX: 0000000000000000 RDX: 29483869b0b64cd8 RSI: 000000002000cff8 RDI: 0000000002a42848 RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000014d R10: 0000000000a6f9b0 R11: 0000000000000246 R12: fffffffffffffffe R13: 000000002000cff4 R14: 0000000000051591 R15: 0000000000000001 Code: 55 48 89 e5 41 57 41 56 41 55 41 54 49 c7 c7 40 b4 ec 85 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 04 01 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: ffff8801cf5474d0 CR2: 0000000000000105 ---[ end trace 489251b6c008c55d ]---