------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:618! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 UID: 0 PID: 2969 Comm: kworker/u8:7 Not tainted 6.12.0-rc5-syzkaller-00005-ge42b1a9a2557 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: writeback wb_workfn (flush-7:1) RIP: 0010:hfsplus_bnode_put+0x510/0x520 fs/hfsplus/bnode.c:618 Code: ff e9 bf fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c f3 fe ff ff 4c 89 ef e8 9b e0 77 ff e9 e6 fe ff ff e8 01 24 0e ff 90 <0f> 0b e8 f9 23 0e ff 90 0f 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 RSP: 0018:ffffc9000b68f288 EFLAGS: 00010293 RAX: ffffffff8286b48f RBX: ffff8880593a1c80 RCX: ffff888030228000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8286b000 R09: 1ffff1100b274390 R10: dffffc0000000000 R11: ffffed100b274391 R12: ffff8880593a1c00 R13: ffff88802479c044 R14: dffffc0000000000 R15: ffff88802479c000 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1850b5cf98 CR3: 0000000064ba6000 CR4: 0000000000350ef0 Call Trace: hfsplus_btree_write+0x264/0x4c0 fs/hfsplus/btree.c:309 hfsplus_system_write_inode fs/hfsplus/super.c:136 [inline] hfsplus_write_inode+0x4c4/0x5e0 fs/hfsplus/super.c:162 write_inode fs/fs-writeback.c:1503 [inline] __writeback_single_inode+0x713/0x10d0 fs/fs-writeback.c:1723 writeback_sb_inodes+0x80c/0x1370 fs/fs-writeback.c:1954 __writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:2025 wb_writeback+0x42f/0xbd0 fs/fs-writeback.c:2136 wb_check_background_flush fs/fs-writeback.c:2206 [inline] wb_do_writeback fs/fs-writeback.c:2294 [inline] wb_workfn+0xc58/0x1090 fs/fs-writeback.c:2321 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 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:hfsplus_bnode_put+0x510/0x520 fs/hfsplus/bnode.c:618 Code: ff e9 bf fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c f3 fe ff ff 4c 89 ef e8 9b e0 77 ff e9 e6 fe ff ff e8 01 24 0e ff 90 <0f> 0b e8 f9 23 0e ff 90 0f 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 RSP: 0018:ffffc9000b68f288 EFLAGS: 00010293 RAX: ffffffff8286b48f RBX: ffff8880593a1c80 RCX: ffff888030228000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8286b000 R09: 1ffff1100b274390 R10: dffffc0000000000 R11: ffffed100b274391 R12: ffff8880593a1c00 R13: ffff88802479c044 R14: dffffc0000000000 R15: ffff88802479c000 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3728fead58 CR3: 0000000066022000 CR4: 0000000000350ef0