nla_parse: 35 callbacks suppressed netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'. kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 30598 Comm: syz-executor.1 Not tainted 4.14.172-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88804cfd8500 task.stack: ffff88820e4c0000 RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline] RIP: 0010:radix_tree_load_root lib/radix-tree.c:602 [inline] RIP: 0010:__radix_tree_lookup+0x4a/0x2e0 lib/radix-tree.c:1040 RSP: 0000:ffff88820e4c79d0 EFLAGS: 00010297 RAX: dffffedfffff4270 RBX: 1ffff11041c98f48 RCX: ffff88820e4c7a60 RDX: 0000000000000000 RSI: 0003fffffef86593 RDI: 000016fffffa1378 RBP: 000016fffffa1378 R08: 0000000000000000 R09: 0000000000020012 R10: ffff88804cfd8da8 R11: ffff88804cfd8500 R12: 0003fffffef86593 R13: dffffc0000000000 R14: 0003fffffef86593 R15: dffffc0000000000 FS: 0000000001500940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000c88928 CR3: 0000000000464000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: radix_tree_lookup_slot+0x60/0xa0 lib/radix-tree.c:1079 find_get_entry+0x8d/0x690 mm/filemap.c:1355 pagecache_get_page+0x44/0xa10 mm/filemap.c:1465 find_get_page include/linux/pagemap.h:276 [inline] lookup_swap_cache+0xcd/0x390 mm/swap_state.c:338 swap_readahead_detect+0x150/0x650 mm/swap_state.c:675 do_swap_page+0x5a7/0x18a0 mm/memory.c:2886 handle_pte_fault mm/memory.c:3993 [inline] __handle_mm_fault+0x1659/0x3280 mm/memory.c:4113 handle_mm_fault+0x288/0x7a0 mm/memory.c:4150 __do_page_fault+0x4bc/0xb40 arch/x86/mm/fault.c:1420 page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1122 RIP: 76c920:0x15d06b RSP: 15d2a9:0000000000000001 EFLAGS: 0076bf20 Code: 24 28 48 c1 e8 03 4c 01 e8 48 89 7c 24 08 48 89 34 24 48 89 54 24 18 48 89 4c 24 20 48 89 44 24 10 e8 fb 8a 1f fb 48 8b 44 24 10 <80> 38 00 0f 85 44 02 00 00 48 8b 44 24 08 48 8b 58 08 48 89 d8 RIP: __read_once_size include/linux/compiler.h:183 [inline] RSP: ffff88820e4c79d0 RIP: radix_tree_load_root lib/radix-tree.c:602 [inline] RSP: ffff88820e4c79d0 RIP: __radix_tree_lookup+0x4a/0x2e0 lib/radix-tree.c:1040 RSP: ffff88820e4c79d0 ---[ end trace 79cb11de88f646e1 ]---