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fix: fix build_id_find_nhdr_callback build_id_note

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Signed-off-by: minjie.yu <minjie.yu@unionman.com.cn>
This commit is contained in:
minjie.yu 2023-12-14 15:41:31 +08:00
parent bf3729926a
commit 30732f4e93
1 changed files with 4 additions and 2 deletions
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6
src/util/build_id.c
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@ -91,12 +91,14 @@ build_id_find_nhdr_callback(struct dl_phdr_info *info, size_t size, void *data_)
size_t offset = sizeof(ElfW(Nhdr)) +
ALIGN_POT(note->nhdr.n_namesz, 4) +
ALIGN_POT(note->nhdr.n_descsz, 4);
note = (struct build_id_note *)((char *)note + offset);
// 05 00 00 00 04 00 00 00 4f 48 4f 53 00 01 00 00 00 00 00 00
if (note->nhdr.n_type == 0x534f484f && note > 20) {
if ((note->nhdr.n_type == 0x534f484f) && (len > 20)) {
// .note.ohos.ident is not a valid PT_NOTE section, use offset in section header later
offset = 20;
}
note = (struct build_id_note *)((char *)note + offset);
len -= offset;
}
}