------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:624! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 6.16.0-rc5-syzkaller-00053-g8c2e52ebbe88 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: writeback wb_workfn (flush-7:4) RIP: 0010:hfsplus_bnode_put+0x54a/0x560 fs/hfsplus/bnode.c:624 Code: 8b ff e9 b2 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f0 fe ff ff 48 89 df e8 a1 f8 8b ff e9 e3 fe ff ff e8 d7 a0 2a ff 90 <0f> 0b e8 cf a0 2a ff 90 0f 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc90000117028 EFLAGS: 00010293 RAX: ffffffff82958479 RBX: ffff88805e58dd00 RCX: ffff88801d2a5a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff88805e58dd83 R09: 1ffff1100bcb1bb0 R10: dffffc0000000000 R11: ffffed100bcb1bb1 R12: ffff88805e58dd80 R13: ffff88805e58dd28 R14: dffffc0000000000 R15: ffff88804f7aa000 FS: 0000000000000000(0000) GS:ffff888125c4f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7d1e799eb8 CR3: 0000000079cf2000 CR4: 00000000003526f0 Call Trace: hfsplus_bnode_find+0x68b/0xd20 fs/hfsplus/bnode.c:554 hfsplus_btree_write+0x24/0x7b0 fs/hfsplus/btree.c:289 hfsplus_system_write_inode fs/hfsplus/super.c:137 [inline] hfsplus_write_inode+0x4c9/0x5f0 fs/hfsplus/super.c:163 write_inode fs/fs-writeback.c:1525 [inline] __writeback_single_inode+0x6f1/0xff0 fs/fs-writeback.c:1745 writeback_sb_inodes+0x6b5/0x1000 fs/fs-writeback.c:1976 __writeback_inodes_wb+0x111/0x240 fs/fs-writeback.c:2047 wb_writeback+0x44f/0xaf0 fs/fs-writeback.c:2158 wb_check_start_all fs/fs-writeback.c:2284 [inline] wb_do_writeback fs/fs-writeback.c:2310 [inline] wb_workfn+0x90b/0xef0 fs/fs-writeback.c:2343 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x711/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfsplus_bnode_put+0x54a/0x560 fs/hfsplus/bnode.c:624 Code: 8b ff e9 b2 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f0 fe ff ff 48 89 df e8 a1 f8 8b ff e9 e3 fe ff ff e8 d7 a0 2a ff 90 <0f> 0b e8 cf a0 2a ff 90 0f 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc90000117028 EFLAGS: 00010293 RAX: ffffffff82958479 RBX: ffff88805e58dd00 RCX: ffff88801d2a5a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff88805e58dd83 R09: 1ffff1100bcb1bb0 R10: dffffc0000000000 R11: ffffed100bcb1bb1 R12: ffff88805e58dd80 R13: ffff88805e58dd28 R14: dffffc0000000000 R15: ffff88804f7aa000 FS: 0000000000000000(0000) GS:ffff888125c4f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d17bee8138 CR3: 000000002aa46000 CR4: 00000000003526f0