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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+0x731/0xf50 fs/hfsplus/extents.c:600
 hfsplus_file_release+0x168/0x700 fs/hfsplus/inode.c:233
 __fput+0x6ac/0x1120 fs/file_table.c:465
 ____fput+0x25/0x30 fs/file_table.c:493
 task_work_run+0x268/0x310 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xbf/0x160 kernel/entry/common.c:218
 do_syscall_64+0xda/0x1b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 __alloc_frozen_pages_noprof+0x6a0/0xe30 mm/page_alloc.c:5005
 alloc_pages_mpol+0x4cd/0x890 mm/mempolicy.c:2301
 alloc_frozen_pages_noprof+0x1bf/0x1e0 mm/mempolicy.c:2372
 alloc_slab_page mm/slub.c:2468 [inline]
 allocate_slab+0x222/0x10f0 mm/slub.c:2632
 new_slab mm/slub.c:2686 [inline]
 ___slab_alloc+0x128a/0x3550 mm/slub.c:3872
 __slab_alloc mm/slub.c:3962 [inline]
 __slab_alloc_node mm/slub.c:4037 [inline]
 slab_alloc_node mm/slub.c:4198 [inline]
 __do_kmalloc_node mm/slub.c:4340 [inline]
 __kmalloc_noprof+0xa7c/0x1260 mm/slub.c:4353
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 tomoyo_encode2 security/tomoyo/realpath.c:45 [inline]
 tomoyo_encode+0x5fc/0xa50 security/tomoyo/realpath.c:80
 tomoyo_realpath_from_path+0x9dd/0xaa0 security/tomoyo/realpath.c:283
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_number_perm+0x1cf/0x7d0 security/tomoyo/file.c:723
 tomoyo_path_mknod+0x191/0x1e0 security/tomoyo/tomoyo.c:252
 security_path_mknod+0x20f/0x650 security/security.c:1899
 may_o_create fs/namei.c:3485 [inline]
 lookup_open fs/namei.c:3629 [inline]
 open_last_lookups fs/namei.c:3765 [inline]
 path_openat+0x1bee/0x6280 fs/namei.c:4001
 do_filp_open+0x26b/0x610 fs/namei.c:4031
 file_open_name fs/open.c:1373 [inline]
 filp_open+0x2b5/0x2f0 fs/open.c:1393
 do_coredump+0x43b0/0x5df0 fs/coredump.c:700
 get_signal+0x2170/0x2d40 kernel/signal.c:3019
 arch_do_signal_or_restart+0x53/0xc10 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 irqentry_exit_to_user_mode+0xb9/0x150 kernel/entry/common.c:231
 irqentry_exit+0x16/0x60 kernel/entry/common.c:334
 exc_page_fault+0x544/0x750 arch/x86/mm/fault.c:1541
 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:623

CPU: 0 UID: 0 PID: 6225 Comm: syz.0.57 Not tainted 6.15.0-rc2-syzkaller-00257-gb5c6891b2c5b #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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