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Diagnose PT_LOAD beyond end-of-file.

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https://sourceforge.net/tracker/?func=detail&atid=102331&aid=2979240&group_id=2331
This commit is contained in:
John Reiser 2010-03-31 14:09:28 -07:00
parent f4f8bd8d42
commit c72c685434
1 changed files with 4 additions and 0 deletions
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4
src/p_lx_elf.cpp
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@ -1831,6 +1831,8 @@ unsigned PackLinuxElf32::find_LOAD_gap(
unsigned const hi = get_te32(&phdr[k].p_offset) +
get_te32(&phdr[k].p_filesz);
unsigned lo = ph.u_file_size;
if (lo < hi)
throwCantPack("bad input: PT_LOAD beyond end-of-file");
unsigned j = k;
for (;;) { // circular search, optimize for adjacent ascending
++j;
@ -1938,6 +1940,8 @@ unsigned PackLinuxElf64::find_LOAD_gap(
unsigned const hi = get_te64(&phdr[k].p_offset) +
get_te64(&phdr[k].p_filesz);
unsigned lo = ph.u_file_size;
if (lo < hi)
throwCantPack("bad input: PT_LOAD beyond end-of-file");
unsigned j = k;
for (;;) { // circular search, optimize for adjacent ascending
++j;