===================================================== BUG: KMSAN: uninit-value in hfsplus_cat_case_cmp_key+0xd9/0x190 fs/hfsplus/catalog.c:23 hfsplus_cat_case_cmp_key+0xd9/0x190 fs/hfsplus/catalog.c:23 hfs_find_rec_by_key+0xae/0x240 fs/hfsplus/bfind.c:89 __hfsplus_brec_find+0x271/0x840 fs/hfsplus/bfind.c:124 hfsplus_brec_find+0x4df/0x9f0 fs/hfsplus/bfind.c:184 hfsplus_brec_read+0x46/0x1f0 fs/hfsplus/bfind.c:211 hfsplus_find_cat+0xb5/0x4f0 fs/hfsplus/catalog.c:202 hfsplus_cat_write_inode+0x2ca/0xe20 fs/hfsplus/inode.c:596 hfsplus_write_inode+0x178/0x960 fs/hfsplus/super.c:161 write_inode fs/fs-writeback.c:1525 [inline] __writeback_single_inode+0x892/0x1190 fs/fs-writeback.c:1745 writeback_sb_inodes+0xac1/0x1cb0 fs/fs-writeback.c:1976 wb_writeback+0x4ce/0xc00 fs/fs-writeback.c:2156 wb_do_writeback fs/fs-writeback.c:2303 [inline] wb_workfn+0x397/0x1910 fs/fs-writeback.c:2343 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xb8e/0x1d80 kernel/workqueue.c:3319 worker_thread+0xedf/0x1590 kernel/workqueue.c:3400 kthread+0xd59/0xf00 kernel/kthread.c:463 ret_from_fork+0x1e3/0x310 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Uninit was created at: slab_post_alloc_hook mm/slub.c:4186 [inline] slab_alloc_node mm/slub.c:4229 [inline] __do_kmalloc_node mm/slub.c:4364 [inline] __kmalloc_noprof+0x95f/0x1310 mm/slub.c:4377 kmalloc_noprof include/linux/slab.h:909 [inline] hfsplus_find_init+0x90/0x1d0 fs/hfsplus/bfind.c:21 hfsplus_cat_write_inode+0x1a8/0xe20 fs/hfsplus/inode.c:592 hfsplus_write_inode+0x178/0x960 fs/hfsplus/super.c:161 write_inode fs/fs-writeback.c:1525 [inline] __writeback_single_inode+0x892/0x1190 fs/fs-writeback.c:1745 writeback_sb_inodes+0xac1/0x1cb0 fs/fs-writeback.c:1976 wb_writeback+0x4ce/0xc00 fs/fs-writeback.c:2156 wb_do_writeback fs/fs-writeback.c:2303 [inline] wb_workfn+0x397/0x1910 fs/fs-writeback.c:2343 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xb8e/0x1d80 kernel/workqueue.c:3319 worker_thread+0xedf/0x1590 kernel/workqueue.c:3400 kthread+0xd59/0xf00 kernel/kthread.c:463 ret_from_fork+0x1e3/0x310 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 CPU: 0 UID: 0 PID: 4975 Comm: kworker/u8:20 Not tainted syzkaller #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: writeback wb_workfn (flush-7:0) =====================================================