------------[ cut here ]------------
kernel BUG at fs/hfs/inode.c:447!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5239 Comm: syz.2.206 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:hfs_write_inode+0xa19/0xa20 fs/hfs/inode.c:447
Code: 8d ff e9 05 fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 50 fe ff ff 4c 89 f7 e8 01 d0 8d ff e9 43 fe ff ff e8 d7 af 48 ff <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00
RSP: 0000:ffffc90005217820 EFLAGS: 00010283
RAX: ffffffff823042c9 RBX: ffff88802aa88198 RCX: 0000000000080000
RDX: ffffc90004c59000 RSI: 00000000000007df RDI: 00000000000007e0
RBP: ffffc900052179b0 R08: ffff888024e01dc0 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000002 R12: dffffc0000000000
R13: 1ffff92000a42f08 R14: 0000000000000005 R15: ffff88802aa88158
FS:  00007f37f6a326c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f12bf6d2c5a CR3: 0000000023363000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1505 [inline]
 __writeback_single_inode+0x6c4/0xda0 fs/fs-writeback.c:1715
 writeback_single_inode+0x3d2/0x8e0 fs/fs-writeback.c:1770
 write_inode_now+0x23b/0x2c0 fs/fs-writeback.c:2817
 hfs_file_fsync+0xa3/0x140 fs/hfs/inode.c:680
 generic_write_sync include/linux/fs.h:2990 [inline]
 generic_file_write_iter+0x157/0x1b0 mm/filemap.c:3948
 call_write_iter include/linux/fs.h:2173 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x748/0xd70 fs/read_write.c:594
 ksys_write+0x153/0x260 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f37f87d8e59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f37f6a32028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f37f8a51fa0 RCX: 00007f37f87d8e59
RDX: 0000000000000018 RSI: 0000200000006800 RDI: 0000000000000006
RBP: 00007f37f886ee6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f37f8a52038 R14: 00007f37f8a51fa0 R15: 00007ffe88e2ca28
 </TASK>
Modules linked in:
---[ end trace 06db72d327213994 ]---
RIP: 0010:hfs_write_inode+0xa19/0xa20 fs/hfs/inode.c:447
Code: 8d ff e9 05 fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 50 fe ff ff 4c 89 f7 e8 01 d0 8d ff e9 43 fe ff ff e8 d7 af 48 ff <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00
RSP: 0000:ffffc90005217820 EFLAGS: 00010283
RAX: ffffffff823042c9 RBX: ffff88802aa88198 RCX: 0000000000080000
RDX: ffffc90004c59000 RSI: 00000000000007df RDI: 00000000000007e0
RBP: ffffc900052179b0 R08: ffff888024e01dc0 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000002 R12: dffffc0000000000
R13: 1ffff92000a42f08 R14: 0000000000000005 R15: ffff88802aa88158
FS:  00007f37f6a326c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbdfe0d6000 CR3: 0000000023363000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400