===================================================== BUG: KMSAN: uninit-value in __hfs_ext_read_extent fs/hfs/extent.c:160 [inline] BUG: KMSAN: uninit-value in hfs_free_fork+0x929/0xa70 fs/hfs/extent.c:320 __hfs_ext_read_extent fs/hfs/extent.c:160 [inline] hfs_free_fork+0x929/0xa70 fs/hfs/extent.c:320 hfs_cat_delete+0x47c/0xb90 fs/hfs/catalog.c:247 hfs_remove+0x167/0x310 fs/hfs/dir.c:262 vfs_unlink+0x616/0xab0 fs/namei.c:4586 do_unlinkat+0x6e6/0xe50 fs/namei.c:4650 __do_sys_unlink fs/namei.c:4696 [inline] __se_sys_unlink fs/namei.c:4694 [inline] __x64_sys_unlink+0x71/0xb0 fs/namei.c:4694 x64_sys_call+0x29de/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:88 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:4154 [inline] slab_alloc_node mm/slub.c:4197 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_noprof+0x95f/0x1310 mm/slub.c:4340 kmalloc_noprof include/linux/slab.h:909 [inline] hfs_find_init+0x93/0x260 fs/hfs/bfind.c:21 hfs_free_fork+0x392/0xa70 fs/hfs/extent.c:316 hfs_cat_delete+0x47c/0xb90 fs/hfs/catalog.c:247 hfs_remove+0x167/0x310 fs/hfs/dir.c:262 vfs_unlink+0x616/0xab0 fs/namei.c:4586 do_unlinkat+0x6e6/0xe50 fs/namei.c:4650 __do_sys_unlink fs/namei.c:4696 [inline] __se_sys_unlink fs/namei.c:4694 [inline] __x64_sys_unlink+0x71/0xb0 fs/namei.c:4694 x64_sys_call+0x29de/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:88 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 6088 Comm: syz.1.27 Not tainted 6.15.0-syzkaller-13526-g7a912d04415b #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 =====================================================