EXT4-fs error (device loop4): ext4_add_entry:2435: inode #2: comm syz.4.49: Directory hole found for htree leaf block 0
BUG: kernel NULL pointer dereference, address: 00000000000009c4
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 800000006c3a2067 P4D 800000006c3a2067 PUD 2e332067 PMD 0 
Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 5472 Comm: syz.4.49 Not tainted 6.11.0-rc4-next-20240821-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:0x9c4
Code: Unable to access opcode bytes at 0x99a.
RSP: 0018:ffffc90004dd72f8 EFLAGS: 00010046
RAX: 73884b4619029200 RBX: ffff888015880400 RCX: 1ffff920009bae4c
RDX: ffffc9000a059000 RSI: 00000000000007fb RDI: 00000000000007fc
RBP: ffffc90004dd74c8 R08: ffffffff81968222 R09: fffff520009bae50
R10: dffffc0000000000 R11: fffff520009bae50 R12: 1ffff920009bae74
R13: dffffc0000000000 R14: 0000000000000008 R15: 0000000000000010
FS:  00007fbeaa3ff6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000009c4 CR3: 00000000642c2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x5ed/0x8c0 arch/x86/mm/fault.c:1539
 </TASK>
Modules linked in:
CR2: 00000000000009c4
---[ end trace 0000000000000000 ]---
RIP: 0010:0x9c4
Code: Unable to access opcode bytes at 0x99a.
RSP: 0018:ffffc90004dd72f8 EFLAGS: 00010046
RAX: 73884b4619029200 RBX: ffff888015880400 RCX: 1ffff920009bae4c
RDX: ffffc9000a059000 RSI: 00000000000007fb RDI: 00000000000007fc
RBP: ffffc90004dd74c8 R08: ffffffff81968222 R09: fffff520009bae50
R10: dffffc0000000000 R11: fffff520009bae50 R12: 1ffff920009bae74
R13: dffffc0000000000 R14: 0000000000000008 R15: 0000000000000010
FS:  00007fbeaa3ff6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000009c4 CR3: 00000000642c2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400