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| author | Sean Christopherson <seanjc@google.com> | 2024-08-29 22:14:12 +0300 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2024-09-10 06:15:34 +0300 |
| commit | ec495f2ab12290b008a691e826b39b895f458945 (patch) | |
| tree | 5ffae0a5d55f26221708cb9bd57ab28b10447b30 /rust/helpers/task.c | |
| parent | e027ba1b83ad017a56c108eea2f42eb9f8ae5204 (diff) | |
| download | linux-ec495f2ab12290b008a691e826b39b895f458945.tar.xz | |
KVM: Write the per-page "segment" when clearing (part of) a guest page
Pass "seg" instead of "len" when writing guest memory in kvm_clear_guest(),
as "seg" holds the number of bytes to write for the current page, while
"len" holds the total bytes remaining.
Luckily, all users of kvm_clear_guest() are guaranteed to not cross a page
boundary, and so the bug is unhittable in the current code base.
Fixes: 2f5414423ef5 ("KVM: remove kvm_clear_guest_page")
Reported-by: zyr_ms@outlook.com
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219104
Link: https://lore.kernel.org/r/20240829191413.900740-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'rust/helpers/task.c')
0 files changed, 0 insertions, 0 deletions