loop0: detected capacity change from 0 to 1024 ===================================================== BUG: KMSAN: uninit-value in hfsplus_lookup+0x671/0xf00 fs/hfsplus/dir.c:83 hfsplus_lookup+0x671/0xf00 fs/hfsplus/dir.c:83 lookup_one_qstr_excl+0x238/0x530 fs/namei.c:1607 do_renameat2+0xb33/0x1d50 fs/namei.c:4990 __do_sys_rename fs/namei.c:5087 [inline] __se_sys_rename fs/namei.c:5085 [inline] __x64_sys_rename+0xf0/0x150 fs/namei.c:5085 do_syscall_64+0xd5/0x1f0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 Uninit was created at: __alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2175 [inline] allocate_slab mm/slub.c:2338 [inline] new_slab+0x2de/0x1400 mm/slub.c:2391 ___slab_alloc+0x1184/0x33d0 mm/slub.c:3525 __slab_alloc mm/slub.c:3610 [inline] __slab_alloc_node mm/slub.c:3663 [inline] slab_alloc_node mm/slub.c:3835 [inline] kmem_cache_alloc_lru+0x6d7/0xbe0 mm/slub.c:3864 alloc_inode_sb include/linux/fs.h:3089 [inline] hfsplus_alloc_inode+0x5a/0xd0 fs/hfsplus/super.c:633 alloc_inode+0x86/0x460 fs/inode.c:261 iget_locked+0x2bf/0xee0 fs/inode.c:1280 hfsplus_iget+0x59/0xaf0 fs/hfsplus/super.c:64 hfsplus_fill_super+0x1486/0x2700 fs/hfsplus/super.c:500 mount_bdev+0x397/0x520 fs/super.c:1658 hfsplus_mount+0x4d/0x60 fs/hfsplus/super.c:647 legacy_get_tree+0x114/0x290 fs/fs_context.c:662 vfs_get_tree+0xa7/0x570 fs/super.c:1779 do_new_mount+0x71f/0x15e0 fs/namespace.c:3352 path_mount+0x742/0x1f20 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x725/0x810 fs/namespace.c:3875 __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875 do_syscall_64+0xd5/0x1f0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 CPU: 0 PID: 5014 Comm: syz-executor208 Not tainted 6.8.0-syzkaller-11339-g741e9d668aa5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 =====================================================