loop3: 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_delete_cat+0x10f0/0x1340 fs/hfsplus/catalog.c:419 hfsplus_subfolders_dec fs/hfsplus/catalog.c:248 [inline] hfsplus_delete_cat+0x10f0/0x1340 fs/hfsplus/catalog.c:419 hfsplus_rmdir+0x140/0x2e0 fs/hfsplus/dir.c:425 hfsplus_rename+0x106/0x2e0 fs/hfsplus/dir.c:545 vfs_rename+0x1d9d/0x2280 fs/namei.c:5013 do_renameat2+0x18cc/0x1d50 fs/namei.c:5170 __do_sys_rename fs/namei.c:5217 [inline] __se_sys_rename fs/namei.c:5215 [inline] __ia32_sys_rename+0xd8/0x130 fs/namei.c:5215 ia32_sys_call+0x1e18/0x40d0 arch/x86/include/generated/asm/syscalls_32.h:39 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was stored to memory at: hfsplus_subfolders_inc fs/hfsplus/catalog.c:232 [inline] hfsplus_create_cat+0x17f6/0x1800 fs/hfsplus/catalog.c:314 hfsplus_mknod+0x201/0x560 fs/hfsplus/dir.c:494 hfsplus_mkdir+0x58/0x70 fs/hfsplus/dir.c:529 vfs_mkdir+0x4a0/0x780 fs/namei.c:4257 do_mkdirat+0x529/0x810 fs/namei.c:4280 __do_sys_mkdirat fs/namei.c:4295 [inline] __se_sys_mkdirat fs/namei.c:4293 [inline] __ia32_sys_mkdirat+0xc6/0x120 fs/namei.c:4293 ia32_sys_call+0x3875/0x40d0 arch/x86/include/generated/asm/syscalls_32.h:297 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e 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 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:4034 ia32_sys_call+0x2530/0x40d0 arch/x86/include/generated/asm/syscalls_32.h:22 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e CPU: 1 UID: 0 PID: 6623 Comm: syz.3.254 Not tainted 6.12.0-rc7-syzkaller-00187-gf868cd251776 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 =====================================================