Fixes [YOCTO #14281]
Signed-off-by: Khem Raj <raj.k...@gmail.com> Cc: Andrei Gherzan <and...@gherzan.com> --- v2: Describe the patch and add links to upstream discussion .../webkitgtk/musl-lower-stack-usage.patch | 74 +++++++++++++++++++ meta/recipes-sato/webkit/webkitgtk_2.30.5.bb | 1 + 2 files changed, 75 insertions(+) create mode 100644 meta/recipes-sato/webkit/webkitgtk/musl-lower-stack-usage.patch diff --git a/meta/recipes-sato/webkit/webkitgtk/musl-lower-stack-usage.patch b/meta/recipes-sato/webkit/webkitgtk/musl-lower-stack-usage.patch new file mode 100644 index 0000000000..dc3a71d932 --- /dev/null +++ b/meta/recipes-sato/webkit/webkitgtk/musl-lower-stack-usage.patch @@ -0,0 +1,74 @@ +reduce thread stack and heap usage for javascriptcore on musl + +default sizes for musl are smaller compared to glibc, this matches +to musl defaults, avoid stack overflow crashes in jscore + +This is based on Alpine Linux's patch based on suggestion from +https://bugs.webkit.org/show_bug.cgi?id=187485 + +Real solution would entail more as the suggestions to increase +stack size via -Wl,-z,stack-size=N does not work fully and also +setting DEFAULT_THREAD_STACK_SIZE_IN_KB alone is not enough either + +This patch only changes behavior when using musl, the defaults for +glibc in OE remains same + +Upstream-Status: Pending +Signed-off-by: Khem Raj <raj.k...@gmail.com> + +--- a/Source/JavaScriptCore/runtime/OptionsList.h ++++ b/Source/JavaScriptCore/runtime/OptionsList.h +@@ -75,6 +75,18 @@ constexpr bool enableWebAssemblyStreamin + // On instantiation of the first VM instance, the Options will be write protected + // and cannot be modified thereafter. + ++#if OS(LINUX) && !defined(__GLIBC__) ++// non-glibc options on linux ( musl ) ++constexpr unsigned jscMaxPerThreadStack = 128 * KB; ++constexpr unsigned jscSoftReservedZoneSize = 32 * KB; ++constexpr unsigned jscReservedZoneSize = 16 * KB; ++#else ++//default ++constexpr unsigned jscMaxPerThreadStack = 4 * MB; ++constexpr unsigned jscSoftReservedZoneSize = 128 * KB; ++constexpr unsigned jscReservedZoneSize = 64 * KB; ++#endif ++ + #define FOR_EACH_JSC_OPTION(v) \ + v(Bool, useKernTCSM, defaultTCSMValue(), Normal, "Note: this needs to go before other options since they depend on this value.") \ + v(Bool, validateOptions, false, Normal, "crashes if mis-typed JSC options were passed to the VM") \ +@@ -90,9 +102,9 @@ constexpr bool enableWebAssemblyStreamin + \ + v(Bool, reportMustSucceedExecutableAllocations, false, Normal, nullptr) \ + \ +- v(Unsigned, maxPerThreadStackUsage, 5 * MB, Normal, "Max allowed stack usage by the VM") \ +- v(Unsigned, softReservedZoneSize, 128 * KB, Normal, "A buffer greater than reservedZoneSize that reserves space for stringifying exceptions.") \ +- v(Unsigned, reservedZoneSize, 64 * KB, Normal, "The amount of stack space we guarantee to our clients (and to interal VM code that does not call out to clients).") \ ++ v(Unsigned, maxPerThreadStackUsage, jscMaxPerThreadStack, Normal, "Max allowed stack usage by the VM") \ ++ v(Unsigned, softReservedZoneSize, jscSoftReservedZoneSize, Normal, "A buffer greater than reservedZoneSize that reserves space for stringifying exceptions.") \ ++ v(Unsigned, reservedZoneSize, jscReservedZoneSize, Normal, "The amount of stack space we guarantee to our clients (and to interal VM code that does not call out to clients).") \ + \ + v(Bool, crashOnDisallowedVMEntry, ASSERT_ENABLED, Normal, "Forces a crash if we attempt to enter the VM when disallowed") \ + v(Bool, crashIfCantAllocateJITMemory, false, Normal, nullptr) \ +@@ -601,7 +613,7 @@ public: + bool init(const char*); + bool isInRange(unsigned); + const char* rangeString() const { return (m_state > InitError) ? m_rangeString : s_nullRangeStr; } +- ++ + void dump(PrintStream& out) const; + + private: +--- a/Source/WTF/wtf/Threading.h ++++ b/Source/WTF/wtf/Threading.h +@@ -56,6 +56,10 @@ + #include <array> + #endif + ++#if OS(LINUX) && !defined(__GLIBC__) ++#define DEFAULT_THREAD_STACK_SIZE_IN_KB 128 ++#endif ++ + namespace WTF { + + class AbstractLocker; diff --git a/meta/recipes-sato/webkit/webkitgtk_2.30.5.bb b/meta/recipes-sato/webkit/webkitgtk_2.30.5.bb index d0a41f48c7..36d33f550d 100644 --- a/meta/recipes-sato/webkit/webkitgtk_2.30.5.bb +++ b/meta/recipes-sato/webkit/webkitgtk_2.30.5.bb @@ -20,6 +20,7 @@ SRC_URI = "https://www.webkitgtk.org/releases/${BPN}-${PV}.tar.xz \ file://include_xutil.patch \ file://reduce-memory-overheads.patch \ file://0001-Extend-atomics-check-to-include-1-byte-CAS-test.patch \ + file://musl-lower-stack-usage.patch \ " SRC_URI[sha256sum] = "7d0dab08e3c5ae07bec80b2822ef42e952765d5724cac86eb23999bfed5a7f1f" -- 2.31.0
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