diff options
Diffstat (limited to 'firefox-glibc-dynstack.patch')
| -rw-r--r-- | firefox-glibc-dynstack.patch | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/firefox-glibc-dynstack.patch b/firefox-glibc-dynstack.patch new file mode 100644 index 0000000..b0487d7 --- /dev/null +++ b/firefox-glibc-dynstack.patch @@ -0,0 +1,64 @@ +diff -ur firefox-90.0.orig/js/xpconnect/src/XPCJSContext.cpp firefox-90.0/js/xpconnect/src/XPCJSContext.cpp +--- firefox-90.0.orig/js/xpconnect/src/XPCJSContext.cpp 2021-07-05 21:16:02.000000000 +0200 ++++ firefox-90.0/js/xpconnect/src/XPCJSContext.cpp 2021-07-19 15:01:24.083460460 +0200 +@@ -85,14 +85,6 @@ + using namespace xpc; + using namespace JS; + +-// The watchdog thread loop is pretty trivial, and should not require much stack +-// space to do its job. So only give it 32KiB or the platform minimum. +-#if !defined(PTHREAD_STACK_MIN) +-# define PTHREAD_STACK_MIN 0 +-#endif +-static constexpr size_t kWatchdogStackSize = +- PTHREAD_STACK_MIN < 32 * 1024 ? 32 * 1024 : PTHREAD_STACK_MIN; +- + static void WatchdogMain(void* arg); + class Watchdog; + class WatchdogManager; +@@ -163,7 +155,7 @@ + // watchdog, we need to join it on shutdown. + mThread = PR_CreateThread(PR_USER_THREAD, WatchdogMain, this, + PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, +- PR_JOINABLE_THREAD, kWatchdogStackSize); ++ PR_JOINABLE_THREAD, 0); + if (!mThread) { + MOZ_CRASH("PR_CreateThread failed!"); + } +Only in firefox-90.0/js/xpconnect/src: XPCJSContext.cpp.firefox-glibc-dynstack +diff -ur firefox-90.0.orig/security/sandbox/linux/launch/SandboxLaunch.cpp firefox-90.0/security/sandbox/linux/launch/SandboxLaunch.cpp +--- firefox-90.0.orig/security/sandbox/linux/launch/SandboxLaunch.cpp 2021-07-05 18:20:36.000000000 +0200 ++++ firefox-90.0/security/sandbox/linux/launch/SandboxLaunch.cpp 2021-07-20 08:39:17.272136982 +0200 +@@ -501,8 +501,7 @@ + MOZ_NEVER_INLINE MOZ_ASAN_BLACKLIST static pid_t DoClone(int aFlags, + jmp_buf* aCtx) { + static constexpr size_t kStackAlignment = 16; +- uint8_t miniStack[PTHREAD_STACK_MIN] +- __attribute__((aligned(kStackAlignment))); ++ uint8_t miniStack[4096] __attribute__((aligned(kStackAlignment))); + #ifdef __hppa__ + void* stackPtr = miniStack; + #else +@@ -523,13 +522,19 @@ + CLONE_CHILD_CLEARTID; + MOZ_RELEASE_ASSERT((aFlags & kBadFlags) == 0); + ++ // Block signals due to small stack in DoClone. ++ sigset_t oldSigs; ++ BlockAllSignals(&oldSigs); ++ ++ int ret = 0; + jmp_buf ctx; + if (setjmp(ctx) == 0) { + // In the parent and just called setjmp: +- return DoClone(aFlags | SIGCHLD, &ctx); ++ ret = DoClone(aFlags | SIGCHLD, &ctx); + } ++ RestoreSignals(&oldSigs); + // In the child and have longjmp'ed: +- return 0; ++ return ret; + } + + static bool WriteStringToFile(const char* aPath, const char* aStr, +Only in firefox-90.0/security/sandbox/linux/launch: SandboxLaunch.cpp~ |