loop0: detected capacity change from 0 to 1024 ===================================================== BUG: KMSAN: uninit-value in hfsplus_subfolders_dec fs/hfsplus/catalog.c:248 [inline] BUG: KMSAN: uninit-value in hfsplus_rename_cat+0x10e5/0x16f0 fs/hfsplus/catalog.c:513 hfsplus_subfolders_dec fs/hfsplus/catalog.c:248 [inline] hfsplus_rename_cat+0x10e5/0x16f0 fs/hfsplus/catalog.c:513 hfsplus_rename+0x209/0x2e0 fs/hfsplus/dir.c:552 vfs_rename+0x1d9d/0x2280 fs/namei.c:5013 do_renameat2+0x18cc/0x1d50 fs/namei.c:5170 __do_sys_renameat2 fs/namei.c:5204 [inline] __se_sys_renameat2 fs/namei.c:5201 [inline] __x64_sys_renameat2+0x154/0x1f0 fs/namei.c:5201 x64_sys_call+0x3ac0/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:317 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: hfsplus_subfolders_inc fs/hfsplus/catalog.c:232 [inline] hfsplus_rename_cat+0x1014/0x16f0 fs/hfsplus/catalog.c:496 hfsplus_rename+0x209/0x2e0 fs/hfsplus/dir.c:552 vfs_rename+0x1d9d/0x2280 fs/namei.c:5013 do_renameat2+0x18cc/0x1d50 fs/namei.c:5170 __do_sys_renameat2 fs/namei.c:5204 [inline] __se_sys_renameat2 fs/namei.c:5201 [inline] __x64_sys_renameat2+0x154/0x1f0 fs/namei.c:5201 x64_sys_call+0x3ac0/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:317 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __alloc_pages_noprof+0x9a7/0xe00 mm/page_alloc.c:4773 alloc_pages_mpol_noprof+0x299/0x990 mm/mempolicy.c:2265 alloc_pages_noprof+0x1bf/0x1e0 mm/mempolicy.c:2345 alloc_slab_page mm/slub.c:2412 [inline] allocate_slab+0x320/0x12e0 mm/slub.c:2578 new_slab mm/slub.c:2631 [inline] ___slab_alloc+0x12ef/0x35e0 mm/slub.c:3818 __slab_alloc mm/slub.c:3908 [inline] __slab_alloc_node mm/slub.c:3961 [inline] slab_alloc_node mm/slub.c:4122 [inline] kmem_cache_alloc_lru_noprof+0x584/0xb30 mm/slub.c:4153 hfsplus_alloc_inode+0x5a/0xd0 fs/hfsplus/super.c:633 alloc_inode+0x86/0x460 fs/inode.c:265 iget_locked+0x250/0x1290 fs/inode.c:1418 hfsplus_iget+0x59/0xae0 fs/hfsplus/super.c:64 hfsplus_btree_open+0x13e/0x1d00 fs/hfsplus/btree.c:150 hfsplus_fill_super+0x1113/0x2700 fs/hfsplus/super.c:479 mount_bdev+0x39a/0x520 fs/super.c:1693 hfsplus_mount+0x4d/0x60 fs/hfsplus/super.c:647 legacy_get_tree+0x114/0x290 fs/fs_context.c:662 vfs_get_tree+0xb1/0x5a0 fs/super.c:1814 do_new_mount+0x71f/0x15e0 fs/namespace.c:3507 path_mount+0x742/0x1f10 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x722/0x810 fs/namespace.c:4034 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4034 x64_sys_call+0x255a/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 6149 Comm: syz.0.62 Not tainted 6.12.0-rc7-syzkaller-00125-gcfaaa7d010d1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 =====================================================