===================================================== BUG: KMSAN: uninit-value in __hfsplus_ext_read_extent fs/hfsplus/extents.c:167 [inline] BUG: KMSAN: uninit-value in __hfsplus_ext_cache_extent+0x82a/0x960 fs/hfsplus/extents.c:191 __hfsplus_ext_read_extent fs/hfsplus/extents.c:167 [inline] __hfsplus_ext_cache_extent+0x82a/0x960 fs/hfsplus/extents.c:191 hfsplus_file_truncate+0x730/0xf50 fs/hfsplus/extents.c:598 hfsplus_file_release+0x168/0x700 fs/hfsplus/inode.c:238 __fput+0x6a4/0x10c0 fs/file_table.c:394 __fput_sync+0x74/0x90 fs/file_table.c:475 __do_sys_close fs/open.c:1590 [inline] __se_sys_close+0x28a/0x4c0 fs/open.c:1575 __ia32_sys_close+0x47/0x60 fs/open.c:1575 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:321 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:346 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384 entry_SYSENTER_compat_after_hwframe+0x70/0x7a Uninit was created at: slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768 slab_alloc_node mm/slub.c:3478 [inline] __kmem_cache_alloc_node+0x5c9/0x970 mm/slub.c:3517 __do_kmalloc_node mm/slab_common.c:1006 [inline] __kmalloc+0x121/0x3c0 mm/slab_common.c:1020 kmalloc include/linux/slab.h:604 [inline] hfsplus_find_init+0x91/0x250 fs/hfsplus/bfind.c:21 hfsplus_file_truncate+0x53b/0xf50 fs/hfsplus/extents.c:582 hfsplus_file_release+0x168/0x700 fs/hfsplus/inode.c:238 __fput+0x6a4/0x10c0 fs/file_table.c:394 __fput_sync+0x74/0x90 fs/file_table.c:475 __do_sys_close fs/open.c:1590 [inline] __se_sys_close+0x28a/0x4c0 fs/open.c:1575 __ia32_sys_close+0x47/0x60 fs/open.c:1575 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:321 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:346 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384 entry_SYSENTER_compat_after_hwframe+0x70/0x7a CPU: 0 PID: 10833 Comm: syz-executor.1 Not tainted 6.7.0-rc5-syzkaller-00134-g3f7168591ebf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 =====================================================