overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support RENAME_WHITEOUT. BUG: unable to handle page fault for address: fffffffffff815b4 #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: 1 PID: 22097 Comm: syz-executor.3 Not tainted 6.2.0-rc6-syzkaller-00011-gc0b67534c95c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:vfs_rename+0xd5/0x1a90 fs/namei.c:4691 Code: 00 0f 85 41 17 00 00 48 8d 7d 68 4c 8b 6b 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 14 17 00 00 <48> 8b 45 68 4d 8d 75 68 4c 89 f2 48 c1 ea 03 48 89 44 24 08 48 b8 RSP: 0018:ffffc90005007aa8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffc90005007c28 RCX: ffffc9001325f000 RDX: 1fffffffffff02b6 RSI: ffffffff81e23b2a RDI: fffffffffff815b4 RBP: fffffffffff8154c R08: 0000000000000005 R09: 0000000000200000 R10: 0000000000400000 R11: 0000000000000001 R12: fffffffffff8154c R13: ffff88804740ba70 R14: ffff88804740ba70 R15: ffff888061162950 FS: 00007f8e29e1d700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffff815b4 CR3: 000000007c1d6000 CR4: 0000000000350ee0 Call Trace: ovl_do_rename fs/overlayfs/overlayfs.h:311 [inline] ovl_cleanup_and_whiteout+0x2c6/0x700 fs/overlayfs/dir.c:125 ovl_remove_and_whiteout fs/overlayfs/dir.c:784 [inline] ovl_do_remove+0xb45/0xe50 fs/overlayfs/dir.c:911 vfs_unlink+0x355/0x930 fs/namei.c:4252 do_unlinkat+0x3b7/0x640 fs/namei.c:4320 __do_sys_unlink fs/namei.c:4368 [inline] __se_sys_unlink fs/namei.c:4366 [inline] __x64_sys_unlink+0xca/0x110 fs/namei.c:4366 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: 0033:0x7f8e2908c0c9 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:00007f8e29e1d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 00007f8e291abf80 RCX: 00007f8e2908c0c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f8e290e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff050d1e1f R14: 00007f8e29e1d300 R15: 0000000000022000 Modules linked in: CR2: fffffffffff815b4 ---[ end trace 0000000000000000 ]--- RIP: 0010:vfs_rename+0xd5/0x1a90 fs/namei.c:4691 Code: 00 0f 85 41 17 00 00 48 8d 7d 68 4c 8b 6b 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 14 17 00 00 <48> 8b 45 68 4d 8d 75 68 4c 89 f2 48 c1 ea 03 48 89 44 24 08 48 b8 RSP: 0018:ffffc90005007aa8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffc90005007c28 RCX: ffffc9001325f000 RDX: 1fffffffffff02b6 RSI: ffffffff81e23b2a RDI: fffffffffff815b4 RBP: fffffffffff8154c R08: 0000000000000005 R09: 0000000000200000 R10: 0000000000400000 R11: 0000000000000001 R12: fffffffffff8154c R13: ffff88804740ba70 R14: ffff88804740ba70 R15: ffff888061162950 FS: 00007f8e29e1d700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffff815b4 CR3: 000000007c1d6000 CR4: 0000000000350ee0 ---------------- Code disassembly (best guess): 0: 00 0f add %cl,(%rdi) 2: 85 41 17 test %eax,0x17(%rcx) 5: 00 00 add %al,(%rax) 7: 48 8d 7d 68 lea 0x68(%rbp),%rdi b: 4c 8b 6b 28 mov 0x28(%rbx),%r13 f: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 16: fc ff df 19: 48 89 fa mov %rdi,%rdx 1c: 48 c1 ea 03 shr $0x3,%rdx 20: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 24: 0f 85 14 17 00 00 jne 0x173e * 2a: 48 8b 45 68 mov 0x68(%rbp),%rax <-- trapping instruction 2e: 4d 8d 75 68 lea 0x68(%r13),%r14 32: 4c 89 f2 mov %r14,%rdx 35: 48 c1 ea 03 shr $0x3,%rdx 39: 48 89 44 24 08 mov %rax,0x8(%rsp) 3e: 48 rex.W 3f: b8 .byte 0xb8