overlayfs: failed to resolve './file1': -2 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 CPU: 1 PID: 16987 Comm: syz-executor5 Not tainted 4.19.0-rc7-next-20181012+ #93 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:do_fault mm/memory.c:3524 [inline] RIP: 0010:handle_pte_fault mm/memory.c:3762 [inline] RIP: 0010:__handle_mm_fault+0x2f94/0x5a40 mm/memory.c:3886 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 a5 22 00 00 49 8b 9f 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 76 22 00 00 48 8b 1b 31 ff 48 83 e3 9f 48 89 de RSP: 0018:ffff880189f07400 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001 overlayfs: failed to resolve './file1': -2 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff880189f07538 RBP: ffff880189f07730 R08: ffffed00313e0e6e R09: ffffed00313e0e6d R10: ffffed00313e0e6d R11: 0000000000000003 R12: 000ffffffffff000 R13: 0000000000000000 R14: ffff880189f074e8 R15: ffff880189f07708 FS: 00007efdf7c32700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efdf7c10db8 CR3: 00000001c6207000 CR4: 00000000001406e0 DR0: 000000000000b8c4 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: handle_mm_fault+0x54f/0xc70 mm/memory.c:3923 faultin_page mm/gup.c:518 [inline] __get_user_pages+0x806/0x1b30 mm/gup.c:718 populate_vma_page_range+0x2db/0x3d0 mm/gup.c:1222 __mm_populate+0x286/0x4d0 mm/gup.c:1270 mm_populate include/linux/mm.h:2311 [inline] vm_mmap_pgoff+0x27f/0x2c0 mm/util.c:362 ksys_mmap_pgoff+0x4da/0x660 mm/mmap.c:1606 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007efdf7c31c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457569 RDX: 0000000000000001 RSI: 0000000000004000 RDI: 0000000020ff9000 RBP: 000000000072c040 R08: 000000000000000a R09: 0000000000000000 R10: 0000000000006013 R11: 0000000000000246 R12: 00007efdf7c326d4 R13: 00000000004c2836 R14: 00000000004d3bd0 R15: 00000000ffffffff Modules linked in: ---[ end trace ba1bf83ba555ea1a ]--- ip6_tunnel: 6tnl0 xmit: Local address not yet configured! RIP: 0010:do_fault mm/memory.c:3524 [inline] RIP: 0010:handle_pte_fault mm/memory.c:3762 [inline] RIP: 0010:__handle_mm_fault+0x2f94/0x5a40 mm/memory.c:3886 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 a5 22 00 00 49 8b 9f 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 76 22 00 00 48 8b 1b 31 ff 48 83 e3 9f 48 89 de RSP: 0018:ffff880189f07400 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff880189f07538 RBP: ffff880189f07730 R08: ffffed00313e0e6e R09: ffffed00313e0e6d R10: ffffed00313e0e6d R11: 0000000000000003 R12: 000ffffffffff000 R13: 0000000000000000 R14: ffff880189f074e8 R15: ffff880189f07708 FS: 00007efdf7c32700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efdf7c10db8 CR3: 00000001c6207000 CR4: 00000000001406e0 DR0: 000000000000b8c4 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400