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| author | Jan Bobek <jbobek@nvidia.com> | 2020-10-02 00:15:07 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2020-10-13 03:20:49 +0000 |
| commit | 9380177354387f03c8ff9eadb7ae94aa453b9469 (patch) | |
| tree | 38e447e099f36570b021e8e273dc364891746629 /ShellPkg | |
| parent | b65afdde74d6c1fac1cdbd2efdad23ba26295808 (diff) | |
| download | edk2-9380177354387f03c8ff9eadb7ae94aa453b9469.tar.gz edk2-9380177354387f03c8ff9eadb7ae94aa453b9469.tar.bz2 edk2-9380177354387f03c8ff9eadb7ae94aa453b9469.zip | |
MdePkg/BaseLib: Fix invalid memory access in AArch64 SetJump/LongJump
Correct the memory offsets used in REG_ONE/REG_PAIR macros to
synchronize them with definition of the BASE_LIBRARY_JUMP_BUFFER
structure on AArch64.
The REG_ONE macro declares only a single 64-bit register be
read/written; however, the subsequent offset is 16 bytes larger,
creating an unused memory gap in the middle of the structure and
causing SetJump/LongJump functions to read/write 8 bytes of memory
past the end of the jump buffer struct.
Signed-off-by: Jan Bobek <jbobek@nvidia.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
Acked-by: Michael D Kinney <michael.d.kinney@intel.com>
Acked-by: Liming Gao <gaoliming@byosoft.com.cn>
Diffstat (limited to 'ShellPkg')
0 files changed, 0 insertions, 0 deletions