commit c6cc482243e3e3f782a4b378e89de96350c6f71f
author Vitaly Buka <vitalybuka@google.com> Wed Apr 28 14:56:08 2021 -0700
committer Copybara-Service <copybara-worker@google.com> Sun May 09 19:09:35 2021 -0700
tree 2258da8fecb2ba90c1e2da21c831558dc6fdef5f
parent 4875a8b92af802df212a6029a8ab19f80c9429e6

[NFC][scudo] Add reference to a QEMU bug

D101031 added workaround for the bug.

GitOrigin-RevId: f7164c77144a130b830d9bb3fbe829783965fab3

linux.cpp

diff --git a/linux.cpp b/linux.cpp
index 63a8e43..7ec6987 100644
--- a/linux.cpp
+++ b/linux.cpp
@@ -122,6 +122,7 @@
   if (madviseNeedsMemsetCached()) {
     // Workaround for QEMU-user ignoring MADV_DONTNEED.
     // https://github.com/qemu/qemu/blob/b1cffefa1b163bce9aebc3416f562c1d3886eeaa/linux-user/syscall.c#L11941
+    // https://bugs.launchpad.net/qemu/+bug/1926521
     memset(Addr, 0, Size);
   }
   while (madvise(Addr, Size, MADV_DONTNEED) == -1 && errno == EAGAIN) {