loop7: detected capacity change from 0 to 1024 hfsplus: xattr searching failed ===================================================== BUG: KMSAN: uninit-value in hfsplus_cat_case_cmp_key+0xd9/0x190 fs/hfsplus/catalog.c:23 hfsplus_cat_case_cmp_key+0xd9/0x190 fs/hfsplus/catalog.c:23 hfs_find_rec_by_key+0xab/0x240 fs/hfsplus/bfind.c:89 __hfsplus_brec_find+0x274/0x840 fs/hfsplus/bfind.c:124 hfsplus_brec_find+0x4df/0x9f0 fs/hfsplus/bfind.c:184 hfsplus_brec_read+0x46/0x1f0 fs/hfsplus/bfind.c:211 hfsplus_find_cat+0xb5/0x4f0 fs/hfsplus/catalog.c:202 hfsplus_removexattr fs/hfsplus/xattr.c:786 [inline] __hfsplus_setxattr+0x760/0x3780 fs/hfsplus/xattr.c:275 hfsplus_setxattr+0x243/0x410 fs/hfsplus/xattr.c:432 hfsplus_user_setxattr+0x55/0x70 fs/hfsplus/xattr_user.c:30 __vfs_removexattr+0x7ff/0x880 fs/xattr.c:518 __vfs_removexattr_locked+0x441/0x4d0 fs/xattr.c:553 vfs_removexattr+0xba/0x3c0 fs/xattr.c:575 removexattr fs/xattr.c:1023 [inline] file_removexattr fs/xattr.c:1032 [inline] path_removexattrat+0x8bd/0x10a0 fs/xattr.c:1085 __do_sys_fremovexattr fs/xattr.c:1111 [inline] __se_sys_fremovexattr fs/xattr.c:1109 [inline] __x64_sys_fremovexattr+0x75/0xd0 fs/xattr.c:1109 x64_sys_call+0x384b/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:200 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: slab_post_alloc_hook mm/slub.c:4154 [inline] slab_alloc_node mm/slub.c:4197 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_noprof+0x95f/0x1310 mm/slub.c:4340 kmalloc_noprof include/linux/slab.h:909 [inline] hfsplus_find_init+0x90/0x1d0 fs/hfsplus/bfind.c:21 hfsplus_removexattr fs/hfsplus/xattr.c:780 [inline] __hfsplus_setxattr+0x6bc/0x3780 fs/hfsplus/xattr.c:275 hfsplus_setxattr+0x243/0x410 fs/hfsplus/xattr.c:432 hfsplus_user_setxattr+0x55/0x70 fs/hfsplus/xattr_user.c:30 __vfs_removexattr+0x7ff/0x880 fs/xattr.c:518 __vfs_removexattr_locked+0x441/0x4d0 fs/xattr.c:553 vfs_removexattr+0xba/0x3c0 fs/xattr.c:575 removexattr fs/xattr.c:1023 [inline] file_removexattr fs/xattr.c:1032 [inline] path_removexattrat+0x8bd/0x10a0 fs/xattr.c:1085 __do_sys_fremovexattr fs/xattr.c:1111 [inline] __se_sys_fremovexattr fs/xattr.c:1109 [inline] __x64_sys_fremovexattr+0x75/0xd0 fs/xattr.c:1109 x64_sys_call+0x384b/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:200 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: 0 UID: 0 PID: 12429 Comm: syz.7.1727 Not tainted 6.16.0-rc4-syzkaller-00123-g4c06e63b9203 #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 =====================================================