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: 1 PID: 5748 Comm: syz-executor.1 Not tainted 6.2.0-rc2-syzkaller-00010-g69b41ac87e4a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 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:ffffc9002847fa88 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffc9002847fc08 RCX: ffffc90003a41000 RDX: 1fffffffffff02b6 RSI: ffffffff81e2217a RDI: fffffffffff815b3 RBP: fffffffffff8154b R08: 0000000000000005 R09: 0000000000200000 R10: 0000000000600000 R11: 0000000000000000 R12: fffffffffff8154b R13: ffff8880261d0178 R14: ffff8880261d0178 R15: ffff888071c557b0 FS: 0000000000000000(0000) GS:ffff88802c700000(0063) knlGS:00000000f7fa7b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: fffffffffff815b3 CR3: 000000004ed22000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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] __ia32_sys_unlink+0xca/0x110 fs/namei.c:4366 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7fac549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7fa75cc EFLAGS: 00000296 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 0000000020000100 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: CR2: fffffffffff815b3 ---[ 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:ffffc9002847fa88 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffc9002847fc08 RCX: ffffc90003a41000 RDX: 1fffffffffff02b6 RSI: ffffffff81e2217a RDI: fffffffffff815b3 RBP: fffffffffff8154b R08: 0000000000000005 R09: 0000000000200000 R10: 0000000000600000 R11: 0000000000000000 R12: fffffffffff8154b R13: ffff8880261d0178 R14: ffff8880261d0178 R15: ffff888071c557b0 FS: 0000000000000000(0000) GS:ffff88802c700000(0063) knlGS:00000000f7fa7b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: fffffffffff815b3 CR3: 000000004ed22000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- 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