loop4: detected capacity change from 0 to 1024 ===================================================== BUG: KMSAN: uninit-value in hfsplus_attr_bin_cmp_key+0xf1/0x190 fs/hfsplus/attributes.c:42 hfsplus_attr_bin_cmp_key+0xf1/0x190 fs/hfsplus/attributes.c:42 hfs_find_rec_by_key+0xb0/0x240 fs/hfsplus/bfind.c:100 __hfsplus_brec_find+0x27e/0x7d0 fs/hfsplus/bfind.c:135 hfsplus_brec_find+0x46a/0x9d0 fs/hfsplus/bfind.c:195 hfsplus_delete_attr+0x51b/0x640 fs/hfsplus/attributes.c:341 hfsplus_removexattr fs/hfsplus/xattr.c:794 [inline] __hfsplus_setxattr+0x78d/0x38f0 fs/hfsplus/xattr.c:275 hfsplus_setxattr+0x129/0x1e0 fs/hfsplus/xattr.c:434 hfsplus_security_setxattr+0x55/0x70 fs/hfsplus/xattr_security.c:31 __vfs_removexattr+0x7b9/0x8e0 fs/xattr.c:498 __vfs_removexattr_locked+0x27c/0x7d0 fs/xattr.c:533 vfs_removexattr+0xcd/0x3e0 fs/xattr.c:555 removexattr+0x282/0x340 fs/xattr.c:897 path_removexattr+0x1d9/0x3c0 fs/xattr.c:911 __do_sys_removexattr fs/xattr.c:925 [inline] __se_sys_removexattr fs/xattr.c:922 [inline] __ia32_sys_removexattr+0x71/0xb0 fs/xattr.c:922 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+0x12d/0xb60 mm/slab.h:774 slab_alloc_node mm/slub.c:3452 [inline] __kmem_cache_alloc_node+0x518/0x920 mm/slub.c:3491 __do_kmalloc_node mm/slab_common.c:966 [inline] __kmalloc+0x121/0x3c0 mm/slab_common.c:980 kmalloc include/linux/slab.h:584 [inline] hfsplus_find_init+0x91/0x250 fs/hfsplus/bfind.c:21 hfsplus_delete_attr+0xf5/0x640 fs/hfsplus/attributes.c:321 hfsplus_removexattr fs/hfsplus/xattr.c:794 [inline] __hfsplus_setxattr+0x78d/0x38f0 fs/hfsplus/xattr.c:275 hfsplus_setxattr+0x129/0x1e0 fs/hfsplus/xattr.c:434 hfsplus_security_setxattr+0x55/0x70 fs/hfsplus/xattr_security.c:31 __vfs_removexattr+0x7b9/0x8e0 fs/xattr.c:498 __vfs_removexattr_locked+0x27c/0x7d0 fs/xattr.c:533 vfs_removexattr+0xcd/0x3e0 fs/xattr.c:555 removexattr+0x282/0x340 fs/xattr.c:897 path_removexattr+0x1d9/0x3c0 fs/xattr.c:911 __do_sys_removexattr fs/xattr.c:925 [inline] __se_sys_removexattr fs/xattr.c:922 [inline] __ia32_sys_removexattr+0x71/0xb0 fs/xattr.c:922 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: 1 PID: 8603 Comm: syz-executor.4 Not tainted 6.3.0-syzkaller-g81af97bdef5e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 =====================================================