loop0: detected capacity change from 0 to 1024 ===================================================== BUG: KMSAN: uninit-value in strncmp+0x11e/0x180 lib/string.c:307 strncmp+0x11e/0x180 lib/string.c:307 is_known_namespace fs/hfsplus/xattr.c:45 [inline] name_len fs/hfsplus/xattr.c:397 [inline] hfsplus_listxattr+0xe38/0x1a50 fs/hfsplus/xattr.c:746 vfs_listxattr fs/xattr.c:494 [inline] listxattr+0x1f0/0x6a0 fs/xattr.c:841 path_listxattr fs/xattr.c:865 [inline] __do_sys_listxattr fs/xattr.c:877 [inline] __se_sys_listxattr fs/xattr.c:874 [inline] __ia32_sys_listxattr+0x167/0x2e0 fs/xattr.c:874 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Uninit was created at: slab_post_alloc_hook+0x12f/0xb70 mm/slab.h:767 slab_alloc_node mm/slub.c:3470 [inline] __kmem_cache_alloc_node+0x536/0x8d0 mm/slub.c:3509 kmalloc_trace+0x51/0x200 mm/slab_common.c:1076 kmalloc include/linux/slab.h:582 [inline] hfsplus_listxattr+0x4cc/0x1a50 fs/hfsplus/xattr.c:701 vfs_listxattr fs/xattr.c:494 [inline] listxattr+0x1f0/0x6a0 fs/xattr.c:841 path_listxattr fs/xattr.c:865 [inline] __do_sys_listxattr fs/xattr.c:877 [inline] __se_sys_listxattr fs/xattr.c:874 [inline] __ia32_sys_listxattr+0x167/0x2e0 fs/xattr.c:874 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 CPU: 0 PID: 5326 Comm: syz-executor.0 Not tainted 6.5.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 =====================================================