loop2: detected capacity change from 0 to 64 ===================================================== BUG: KMSAN: uninit-value in __hfs_ext_read_extent fs/hfs/extent.c:160 [inline] BUG: KMSAN: uninit-value in hfs_free_fork+0x6b4/0xa50 fs/hfs/extent.c:320 __hfs_ext_read_extent fs/hfs/extent.c:160 [inline] hfs_free_fork+0x6b4/0xa50 fs/hfs/extent.c:320 hfs_cat_delete+0x501/0xb90 fs/hfs/catalog.c:247 hfs_remove+0x16a/0x2f0 fs/hfs/dir.c:262 vfs_unlink+0x676/0xa90 fs/namei.c:4525 do_unlinkat+0x823/0xe20 fs/namei.c:4589 __do_sys_unlinkat fs/namei.c:4632 [inline] __se_sys_unlinkat fs/namei.c:4625 [inline] __x64_sys_unlinkat+0x17a/0x220 fs/namei.c:4625 x64_sys_call+0x321e/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:264 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: slab_post_alloc_hook mm/slub.c:4121 [inline] slab_alloc_node mm/slub.c:4164 [inline] __do_kmalloc_node mm/slub.c:4293 [inline] __kmalloc_noprof+0x923/0x1230 mm/slub.c:4306 kmalloc_noprof include/linux/slab.h:905 [inline] hfs_find_init+0x91/0x250 fs/hfs/bfind.c:21 hfs_free_fork+0x3bb/0xa50 fs/hfs/extent.c:316 hfs_cat_delete+0x501/0xb90 fs/hfs/catalog.c:247 hfs_remove+0x16a/0x2f0 fs/hfs/dir.c:262 vfs_unlink+0x676/0xa90 fs/namei.c:4525 do_unlinkat+0x823/0xe20 fs/namei.c:4589 __do_sys_unlinkat fs/namei.c:4632 [inline] __se_sys_unlinkat fs/namei.c:4625 [inline] __x64_sys_unlinkat+0x17a/0x220 fs/namei.c:4625 x64_sys_call+0x321e/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:264 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: 0 UID: 0 PID: 5975 Comm: syz.2.3 Not tainted 6.14.0-rc2-syzkaller-00259-g7ff71e6d9239 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 =====================================================