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| author | Jerry Zhang <zhangjerry@google.com> | 2018-03-06 15:27:07 -0800 |
|---|---|---|
| committer | Jerry Zhang <zhangjerry@google.com> | 2018-03-06 15:39:44 -0800 |
| commit | f55dbc05169ebfb67a4380741a94360b794f5ad9 (patch) | |
| tree | 9d914f407075dce81e2185d48f0399d9b632989a /libc/malloc_hooks/malloc_hooks.cpp | |
| parent | af8d54a7d715bd16bee279a87f42f8604b6b0a46 (diff) | |
Sign extend offset for pwritev/preadv.
Kernel expects a 64 bit offset, so if a
user's offset is 32 bit, the wrapper will
drop the sign. To fix, sign extend the
32 bit value before doing the syscall.
Bug: 31225071
Test: pwritev02 32 bit passes
Change-Id: Ie272601662c2c35b0e8d8fc3823c9063c2f73e64
Diffstat (limited to 'libc/malloc_hooks/malloc_hooks.cpp')
0 files changed, 0 insertions, 0 deletions