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Fix parsing corefile with missing auxv #2559

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Mar 3, 2025
Merged

Fix parsing corefile with missing auxv #2559

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7371281
Fix parsing corefile with missing auxv
Arusekk Mar 3, 2025
5179da0
Update CHANGELOG.md
Arusekk Mar 3, 2025
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6 changes: 4 additions & 2 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -112,15 +112,17 @@ The table below shows which release corresponds to each branch, and what date th
[2476]: https://github.com/Gallopsled/pwntools/pull/2476
[2364]: https://github.com/Gallopsled/pwntools/pull/2364

## 4.14.1
## 4.14.1 (`stable`)

- [#2533][2533] Fix installation on Python 3.5 and lower
- [#2518][2518] fix: update apport coredump path handling for CorefileFinder
- [#2559][2559] Fix parsing corefile with missing auxv

[2533]: https://github.com/Gallopsled/pwntools/pull/2533
[2518]: https://github.com/Gallopsled/pwntools/pull/2518
[2559]: https://github.com/Gallopsled/pwntools/pull/2559

## 4.14.0 (`stable`)
## 4.14.0

- [#2356][2356] Add local libc database provider for libcdb
- [#2360][2360] Add offline parameter for `search_by_hash` series function
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5 changes: 5 additions & 0 deletions pwnlib/elf/corefile.py
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Expand Up @@ -555,6 +555,9 @@ def __init__(self, *a, **kw):
# Pointer to the entry point
self.at_entry = 0

# Pointer to the vdso
self.at_sysinfo_ehdr = None

try:
super(Corefile, self).__init__(*a, **kw)
except IOError:
Expand Down Expand Up @@ -611,6 +614,8 @@ def __init__(self, *a, **kw):

if not self.stack and self.mappings:
self.stack = self.mappings[-1].stop
if self.mappings[-1].start == 0xffffffffff600000 and len(self.mappings) > 1:
self.stack = self.mappings[-2].stop

if self.stack and self.mappings:
for mapping in self.mappings:
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