loop7: detected capacity change from 0 to 1024 ===================================================== BUG: KMSAN: uninit-value in hfsplus_lookup+0x674/0xf70 fs/hfsplus/dir.c:83 hfsplus_lookup+0x674/0xf70 fs/hfsplus/dir.c:83 __lookup_slow+0x560/0x760 fs/namei.c:1817 lookup_slow+0x6a/0xd0 fs/namei.c:1834 walk_component+0x444/0x650 fs/namei.c:2138 lookup_last fs/namei.c:2636 [inline] path_lookupat+0x251/0x6b0 fs/namei.c:2660 filename_lookup+0x2bd/0x800 fs/namei.c:2689 filename_listxattr fs/xattr.c:955 [inline] path_listxattrat+0x16d/0x6d0 fs/xattr.c:988 __do_sys_listxattr fs/xattr.c:1001 [inline] __se_sys_listxattr fs/xattr.c:998 [inline] __x64_sys_listxattr+0x9e/0x100 fs/xattr.c:998 x64_sys_call+0x1310/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:195 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x1b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __alloc_frozen_pages_noprof+0x689/0xf00 mm/page_alloc.c:4993 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2301 alloc_frozen_pages_noprof+0xf7/0x200 mm/mempolicy.c:2372 alloc_slab_page mm/slub.c:2468 [inline] allocate_slab+0x24d/0x1210 mm/slub.c:2632 new_slab mm/slub.c:2686 [inline] ___slab_alloc+0xfec/0x3480 mm/slub.c:3872 __slab_alloc mm/slub.c:3962 [inline] __slab_alloc_node mm/slub.c:4037 [inline] slab_alloc_node mm/slub.c:4198 [inline] kmem_cache_alloc_lru_noprof+0x922/0xed0 mm/slub.c:4229 hfsplus_alloc_inode+0x5a/0xd0 fs/hfsplus/super.c:627 alloc_inode+0x87/0x4a0 fs/inode.c:346 new_inode+0x39/0x460 fs/inode.c:1145 hfsplus_new_inode+0x5e/0xb70 fs/hfsplus/inode.c:381 hfsplus_mknod+0xb8/0x560 fs/hfsplus/dir.c:487 hfsplus_create+0x54/0x70 fs/hfsplus/dir.c:523 lookup_open fs/namei.c:3701 [inline] open_last_lookups fs/namei.c:3800 [inline] path_openat+0x2d44/0x6760 fs/namei.c:4036 do_filp_open+0x280/0x660 fs/namei.c:4066 do_sys_openat2+0x1bb/0x2f0 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __x64_sys_openat+0x240/0x300 fs/open.c:1455 x64_sys_call+0x213/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x1b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 0 UID: 0 PID: 10292 Comm: syz.7.971 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 =====================================================