lgtm. you might need to add more info into patch header. On Fri, Mar 11, 2022 at 1:05 AM Sundeep KOKKONDA <[email protected]> wrote: > > Signed-off-by: Sundeep KOKKONDA <[email protected]> > --- > meta/recipes-devtools/gcc/gcc-11.2.inc | 1 + > .../gcc/0042-Fix-thread-stack-size-init.patch | 18 ++++++++++++++++++ > 2 files changed, 19 insertions(+) > create mode 100644 > meta/recipes-devtools/gcc/gcc/0042-Fix-thread-stack-size-init.patch > > diff --git a/meta/recipes-devtools/gcc/gcc-11.2.inc > b/meta/recipes-devtools/gcc/gcc-11.2.inc > index 2394c86e29..0c6c54888c 100644 > --- a/meta/recipes-devtools/gcc/gcc-11.2.inc > +++ b/meta/recipes-devtools/gcc/gcc-11.2.inc > @@ -68,6 +68,7 @@ SRC_URI = "\ > file://0003-CVE-2021-42574.patch \ > file://0004-CVE-2021-42574.patch \ > file://0001-CVE-2021-46195.patch \ > + file://0042-Fix-thread-stack-size-init.patch \ > " > SRC_URI[sha256sum] = > "d08edc536b54c372a1010ff6619dd274c0f1603aa49212ba20f7aa2cda36fa8b" > > diff --git > a/meta/recipes-devtools/gcc/gcc/0042-Fix-thread-stack-size-init.patch > b/meta/recipes-devtools/gcc/gcc/0042-Fix-thread-stack-size-init.patch > new file mode 100644 > index 0000000000..ab463f252a > --- /dev/null > +++ b/meta/recipes-devtools/gcc/gcc/0042-Fix-thread-stack-size-init.patch > @@ -0,0 +1,18 @@ > +Upstream-Status: Backport > [https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=90e46074e6b3561ae7d8ebd205127f286cc0c6b6] > +--- > +--- a/libsanitizer/sanitizer_common/sanitizer_posix_libcdep.cpp > 2022-03-08 03:04:25.871012986 -0800 > ++++ b/libsanitizer/sanitizer_common/sanitizer_posix_libcdep.cpp > 2022-03-10 23:28:20.131064433 -0800 > +@@ -166,9 +166,10 @@ > + #if !SANITIZER_GO > + // TODO(glider): different tools may require different altstack size. > + static uptr GetAltStackSize() { > +- // SIGSTKSZ is not enough. > +- static const uptr kAltStackSize = SIGSTKSZ * 4; > +- return kAltStackSize; > ++ // Note: since GLIBC_2.31, SIGSTKSZ may be a function call, so this may be > ++ // more costly that you think. However GetAltStackSize is only call 2-3 > times > ++ // per thread so don't cache the evaluation. > ++ return SIGSTKSZ * 4; > + } > + > + void SetAlternateSignalStack() { > -- > 2.25.1 > > > >
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