------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:442! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 3 PID: 1088 Comm: kworker/u32:5 Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #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-7:1) RIP: 0010:hfs_write_inode+0x363/0xbf0 fs/hfs/inode.c:442 Code: 49 8b 4c 89 f7 e8 dd 47 1f ff 49 83 fe 03 0f 84 91 03 00 00 49 83 fe 04 74 12 49 83 fe 02 0f 84 b2 fd ff ff e8 5e 4c 1f ff 90 <0f> 0b e8 56 4c 1f ff 48 8d 7d 28 48 b8 00 00 00 00 00 fc ff df 48 RSP: 0018:ffffc900070c7550 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff92000e18eac RCX: ffffffff826f4373 RDX: ffff8880200f8000 RSI: ffffffff826f4392 RDI: 0000000000000007 RBP: ffff88805937c258 R08: 0000000000000007 R09: 0000000000000004 R10: 0000000000000005 R11: 0000000000000002 R12: 0000000000000000 R13: ffffc900070c7590 R14: 0000000000000005 R15: ffffc900070c75f0 FS: 0000000000000000(0000) GS:ffff88802c300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f5f43560 CR3: 000000006bf4a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: write_inode fs/fs-writeback.c:1497 [inline] __writeback_single_inode+0xb36/0xf90 fs/fs-writeback.c:1716 writeback_sb_inodes+0x611/0x1150 fs/fs-writeback.c:1947 wb_writeback+0x199/0xb50 fs/fs-writeback.c:2127 wb_do_writeback fs/fs-writeback.c:2274 [inline] wb_workfn+0x28d/0xf40 fs/fs-writeback.c:2314 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393 kthread+0x2c1/0x3a0 kernel/kthread.c:389 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:hfs_write_inode+0x363/0xbf0 fs/hfs/inode.c:442 Code: 49 8b 4c 89 f7 e8 dd 47 1f ff 49 83 fe 03 0f 84 91 03 00 00 49 83 fe 04 74 12 49 83 fe 02 0f 84 b2 fd ff ff e8 5e 4c 1f ff 90 <0f> 0b e8 56 4c 1f ff 48 8d 7d 28 48 b8 00 00 00 00 00 fc ff df 48 RSP: 0018:ffffc900070c7550 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff92000e18eac RCX: ffffffff826f4373 RDX: ffff8880200f8000 RSI: ffffffff826f4392 RDI: 0000000000000007 RBP: ffff88805937c258 R08: 0000000000000007 R09: 0000000000000004 R10: 0000000000000005 R11: 0000000000000002 R12: 0000000000000000 R13: ffffc900070c7590 R14: 0000000000000005 R15: ffffc900070c75f0 FS: 0000000000000000(0000) GS:ffff88802c300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00071eca4 CR3: 0000000026406000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400