loop1: 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_one_qstr_excl+0x23c/0x7a0 fs/namei.c:1697 do_renameat2+0x827/0x1a50 fs/namei.c:5230 __do_sys_renameat2 fs/namei.c:5312 [inline] __se_sys_renameat2 fs/namei.c:5309 [inline] __x64_sys_renameat2+0x15d/0x210 fs/namei.c:5309 x64_sys_call+0x4ac/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:317 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 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:5171 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2416 alloc_frozen_pages_noprof+0xf7/0x200 mm/mempolicy.c:2487 alloc_slab_page mm/slub.c:2487 [inline] allocate_slab+0x24d/0x1220 mm/slub.c:2655 new_slab mm/slub.c:2709 [inline] ___slab_alloc+0x1024/0x34e0 mm/slub.c:3891 __slab_alloc mm/slub.c:3981 [inline] __slab_alloc_node mm/slub.c:4056 [inline] slab_alloc_node mm/slub.c:4217 [inline] kmem_cache_alloc_lru_noprof+0x922/0xed0 mm/slub.c:4248 hfsplus_alloc_inode+0x5a/0xd0 fs/hfsplus/super.c:625 alloc_inode+0x8a/0x4a0 fs/inode.c:346 new_inode+0x39/0x460 fs/inode.c:1145 hfsplus_new_inode+0x5e/0xb70 fs/hfsplus/inode.c:384 hfsplus_mknod+0xb8/0x560 fs/hfsplus/dir.c:487 hfsplus_create+0x54/0x70 fs/hfsplus/dir.c:523 lookup_open fs/namei.c:3708 [inline] open_last_lookups fs/namei.c:3807 [inline] path_openat+0x2d47/0x6760 fs/namei.c:4043 do_filp_open+0x280/0x660 fs/namei.c:4073 do_sys_openat2+0x1bb/0x2f0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_open fs/open.c:1458 [inline] __se_sys_open fs/open.c:1454 [inline] __x64_sys_open+0x219/0x2c0 fs/open.c:1454 x64_sys_call+0x1843/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:3 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 9062 Comm: syz.1.725 Not tainted 6.17.0-rc1-syzkaller-00214-g99bade344cfa #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 =====================================================