------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:444! Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI CPU: 1 UID: 0 PID: 34 Comm: kworker/u8:2 Not tainted 6.12.0-rc7-syzkaller-00040-g14b6320953a3-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:hfs_write_inode+0xe81/0xe90 fs/hfs/inode.c:444 Code: e9 f4 fd ff ff 8b 3a e8 7d 43 31 ff e9 02 fe ff ff 49 89 d6 8b 7d c8 e8 2d 3f 31 ff 41 89 06 e9 26 fe ff ff e8 b0 2d 98 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 RSP: 0018:ffff8881003d75c0 EFLAGS: 00010293 RAX: ffffffff831cc480 RBX: 0000000000000000 RCX: ffff8881003dc180 RDX: 0000000000000000 RSI: ffffffff91870dd0 RDI: 0000000000000000 RBP: ffff8881003d76a8 R08: 0000000000000007 R09: ffffffff831cb73c R10: 0000000000000003 R11: ffff8881003dc180 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888040cb0a70 R15: ffff8881003dccb8 FS: 0000000000000000(0000) GS:ffff88813fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdea70dd18 CR3: 00000001151bc000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: write_inode fs/fs-writeback.c:1503 [inline] __writeback_single_inode+0x8da/0x1290 fs/fs-writeback.c:1723 writeback_sb_inodes+0xa34/0x1c20 fs/fs-writeback.c:1954 wb_writeback+0x4df/0xcb0 fs/fs-writeback.c:2134 wb_do_writeback fs/fs-writeback.c:2281 [inline] wb_workfn+0x40b/0x1940 fs/fs-writeback.c:2321 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3310 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3391 kthread+0x3e2/0x540 kernel/kthread.c:389 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfs_write_inode+0xe81/0xe90 fs/hfs/inode.c:444 Code: e9 f4 fd ff ff 8b 3a e8 7d 43 31 ff e9 02 fe ff ff 49 89 d6 8b 7d c8 e8 2d 3f 31 ff 41 89 06 e9 26 fe ff ff e8 b0 2d 98 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 RSP: 0018:ffff8881003d75c0 EFLAGS: 00010293 RAX: ffffffff831cc480 RBX: 0000000000000000 RCX: ffff8881003dc180 RDX: 0000000000000000 RSI: ffffffff91870dd0 RDI: 0000000000000000 RBP: ffff8881003d76a8 R08: 0000000000000007 R09: ffffffff831cb73c R10: 0000000000000003 R11: ffff8881003dc180 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888040cb0a70 R15: ffff8881003dccb8 FS: 0000000000000000(0000) GS:ffff88813fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdea70dd18 CR3: 00000001151bc000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400