===================================================== BUG: KMSAN: uninit-value in __hfsplus_ext_read_extent fs/hfsplus/extents.c:167 [inline] BUG: KMSAN: uninit-value in __hfsplus_ext_cache_extent+0x82c/0x970 fs/hfsplus/extents.c:191 __hfsplus_ext_read_extent fs/hfsplus/extents.c:167 [inline] __hfsplus_ext_cache_extent+0x82c/0x970 fs/hfsplus/extents.c:191 hfsplus_file_truncate+0x730/0xf50 fs/hfsplus/extents.c:600 hfsplus_file_release+0x168/0x700 fs/hfsplus/inode.c:233 __fput+0x32c/0x1120 fs/file_table.c:450 __fput_sync+0x12a/0x170 fs/file_table.c:535 __do_sys_close fs/open.c:1554 [inline] __se_sys_close+0x2f0/0x4f0 fs/open.c:1539 __x64_sys_close+0x48/0x60 fs/open.c:1539 x64_sys_call+0x2d5c/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:4 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:4110 [inline] slab_alloc_node mm/slub.c:4153 [inline] __do_kmalloc_node mm/slub.c:4282 [inline] __kmalloc_noprof+0x923/0x1230 mm/slub.c:4295 kmalloc_noprof include/linux/slab.h:905 [inline] hfsplus_find_init+0x95/0x1d0 fs/hfsplus/bfind.c:21 hfsplus_file_truncate+0x53b/0xf50 fs/hfsplus/extents.c:583 hfsplus_file_release+0x168/0x700 fs/hfsplus/inode.c:233 __fput+0x32c/0x1120 fs/file_table.c:450 __fput_sync+0x12a/0x170 fs/file_table.c:535 __do_sys_close fs/open.c:1554 [inline] __se_sys_close+0x2f0/0x4f0 fs/open.c:1539 __x64_sys_close+0x48/0x60 fs/open.c:1539 x64_sys_call+0x2d5c/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:4 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: 19668 Comm: syz.9.3415 Tainted: G W 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 =====================================================