------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:618! invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 2 PID: 1086 Comm: kworker/u32:6 Not tainted 6.9.0-rc4-syzkaller-00031-g96fca68c4fbf #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:hfsplus_bnode_put.part.0+0x3ac/0x440 fs/hfsplus/bnode.c:618 Code: b6 04 02 84 c0 74 09 3c 03 7f 05 e8 ee 1c 7f ff 41 8b 54 24 38 31 f6 48 89 ef e8 8f e0 ff ff e9 a2 fe ff ff e8 85 a0 22 ff 90 <0f> 0b 48 8b 7c 24 08 e8 c8 1c 7f ff e9 32 fd ff ff 48 89 df e8 bb RSP: 0018:ffffc9000713f568 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888052cb7480 RCX: ffffffff826bb1e4 RDX: ffff88801fc24880 RSI: ffffffff826bb50b RDI: 0000000000000005 RBP: ffff888052cb7400 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000003 R12: ffff8880204da000 R13: 0000000000000000 R14: 0000000006000000 R15: ffff88805b524000 FS: 0000000000000000(0000) GS:ffff88802c400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000031225000 CR3: 0000000019bb0000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_bnode_put+0x1f/0x30 fs/hfsplus/bnode.c:611 hfsplus_btree_write+0x3b1/0x490 fs/hfsplus/btree.c:309 hfsplus_system_write_inode fs/hfsplus/super.c:136 [inline] hfsplus_write_inode fs/hfsplus/super.c:162 [inline] hfsplus_write_inode+0x306/0x4f0 fs/hfsplus/super.c:147 write_inode fs/fs-writeback.c:1498 [inline] __writeback_single_inode+0xb36/0xf90 fs/fs-writeback.c:1715 writeback_sb_inodes+0x5a6/0x10d0 fs/fs-writeback.c:1941 __writeback_inodes_wb+0xff/0x2e0 fs/fs-writeback.c:2012 wb_writeback+0x7db/0xb30 fs/fs-writeback.c:2119 wb_check_background_flush fs/fs-writeback.c:2189 [inline] wb_do_writeback fs/fs-writeback.c:2277 [inline] wb_workfn+0x8c4/0xf40 fs/fs-writeback.c:2304 process_one_work+0x902/0x1a30 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 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.part.0+0x3ac/0x440 fs/hfsplus/bnode.c:618 Code: b6 04 02 84 c0 74 09 3c 03 7f 05 e8 ee 1c 7f ff 41 8b 54 24 38 31 f6 48 89 ef e8 8f e0 ff ff e9 a2 fe ff ff e8 85 a0 22 ff 90 <0f> 0b 48 8b 7c 24 08 e8 c8 1c 7f ff e9 32 fd ff ff 48 89 df e8 bb RSP: 0018:ffffc9000713f568 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888052cb7480 RCX: ffffffff826bb1e4 RDX: ffff88801fc24880 RSI: ffffffff826bb50b RDI: 0000000000000005 RBP: ffff888052cb7400 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000003 R12: ffff8880204da000 R13: 0000000000000000 R14: 0000000006000000 R15: ffff88805b524000 FS: 0000000000000000(0000) GS:ffff88802c400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000031225000 CR3: 000000001c5d2000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400