------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:444! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 43 Comm: kworker/u4:3 Not tainted 6.16.0-rc6-syzkaller-00279-gbf61759db409 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:hfs_write_inode+0x7c8/0x7d0 fs/hfs/inode.c:444 Code: c1 20 02 b0 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 20 02 b0 99 e8 d3 14 89 ff e9 6c fe ff ff e8 19 95 25 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900005e7180 EFLAGS: 00010293 RAX: ffffffff829a9cb7 RBX: ffff88803f460e98 RCX: ffff88801eb38000 RDX: 0000000000000000 RSI: ffffffff8e3677e0 RDI: 0000000000000000 RBP: ffffc900005e7310 R08: ffff88801eb38000 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff920000bce34 R14: ffff88803f460e58 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff58b0ce98 CR3: 0000000012617000 CR4: 0000000000352ef0 Call Trace: 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 wb_writeback+0x43b/0xaf0 fs/fs-writeback.c:2156 wb_do_writeback fs/fs-writeback.c:2303 [inline] wb_workfn+0x409/0xef0 fs/fs-writeback.c:2343 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/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:hfs_write_inode+0x7c8/0x7d0 fs/hfs/inode.c:444 Code: c1 20 02 b0 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 20 02 b0 99 e8 d3 14 89 ff e9 6c fe ff ff e8 19 95 25 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900005e7180 EFLAGS: 00010293 RAX: ffffffff829a9cb7 RBX: ffff88803f460e98 RCX: ffff88801eb38000 RDX: 0000000000000000 RSI: ffffffff8e3677e0 RDI: 0000000000000000 RBP: ffffc900005e7310 R08: ffff88801eb38000 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff920000bce34 R14: ffff88803f460e58 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcb403a54e8 CR3: 000000003efdb000 CR4: 0000000000352ef0