overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support RENAME_WHITEOUT. BUG: unable to handle page fault for address: fffffffffff815b3 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD c48f067 P4D c48f067 PUD c491067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 22702 Comm: syz-executor.2 Not tainted 6.2.0-rc2-syzkaller-00203-g1f5abbd77e2c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:d_inode include/linux/dcache.h:516 [inline] RIP: 0010:ovl_path_open+0x5f/0x1c0 fs/overlayfs/util.c:493 Code: 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c 24 08 48 8d 7b 68 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 3a 01 00 00 4c 89 e2 <4c> 8b 73 68 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 RSP: 0018:ffffc900055377b0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: fffffffffff8154b RCX: ffffc9000b87f000 RDX: ffffc90005537920 RSI: ffffffff82d77508 RDI: fffffffffff815b3 RBP: 0000000000008001 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000040a00 R11: 0000000000000001 R12: ffffc90005537920 R13: ffffc90005537a18 R14: ffffc900055379c8 R15: ffff88801d431900 FS: 00007f1ee790a700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffff815b3 CR3: 000000001c87d000 CR4: 0000000000350ef0 Call Trace: ovl_copy_up_data+0x183/0x270 fs/overlayfs/copy_up.c:599 ovl_copy_up_workdir fs/overlayfs/copy_up.c:729 [inline] ovl_do_copy_up fs/overlayfs/copy_up.c:879 [inline] ovl_copy_up_one+0x91f/0x2900 fs/overlayfs/copy_up.c:1045 ovl_copy_up_flags+0x150/0x1d0 fs/overlayfs/copy_up.c:1091 ovl_setattr+0x111/0x500 fs/overlayfs/inode.c:45 notify_change+0xca7/0x1420 fs/attr.c:482 chown_common+0x60a/0x6f0 fs/open.c:736 do_fchownat+0x12a/0x1e0 fs/open.c:767 __do_sys_fchownat fs/open.c:782 [inline] __se_sys_fchownat fs/open.c:779 [inline] __x64_sys_fchownat+0xbe/0x160 fs/open.c:779 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1ee6c8c0c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1ee790a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000104 RAX: ffffffffffffffda RBX: 00007f1ee6dabf80 RCX: 00007f1ee6c8c0c9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007f1ee6ce7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000ee01 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc5607366f R14: 00007f1ee790a300 R15: 0000000000022000 Modules linked in: CR2: fffffffffff815b3 ---[ end trace 0000000000000000 ]--- RIP: 0010:d_inode include/linux/dcache.h:516 [inline] RIP: 0010:ovl_path_open+0x5f/0x1c0 fs/overlayfs/util.c:493 Code: 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c 24 08 48 8d 7b 68 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 3a 01 00 00 4c 89 e2 <4c> 8b 73 68 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 RSP: 0018:ffffc900055377b0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: fffffffffff8154b RCX: ffffc9000b87f000 RDX: ffffc90005537920 RSI: ffffffff82d77508 RDI: fffffffffff815b3 RBP: 0000000000008001 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000040a00 R11: 0000000000000001 R12: ffffc90005537920 R13: ffffc90005537a18 R14: ffffc900055379c8 R15: ffff88801d431900 FS: 00007f1ee790a700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffff815b3 CR3: 000000001c87d000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 00 00 add %al,(%rax) 2: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 9: fc ff df c: 49 8b 5c 24 08 mov 0x8(%r12),%rbx 11: 48 8d 7b 68 lea 0x68(%rbx),%rdi 15: 48 89 fa mov %rdi,%rdx 18: 48 c1 ea 03 shr $0x3,%rdx 1c: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 20: 0f 85 3a 01 00 00 jne 0x160 26: 4c 89 e2 mov %r12,%rdx * 29: 4c 8b 73 68 mov 0x68(%rbx),%r14 <-- trapping instruction 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 c1 ea 03 shr $0x3,%rdx 3b: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)