51 lines
2 KiB
Diff
51 lines
2 KiB
Diff
From 600d63c2c59a9892dbc5423d7d8bb1565a9f91e7 Mon Sep 17 00:00:00 2001
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From: Michel Salim <michel@fb.com>
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Date: Thu, 04 Nov 2021 14:22:40 -0700
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Subject: [PATCH] Handle long SIGSTKSZ in glibc > 2.33
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`SIGSTKSZ` is no longer constant in glibc > 2.33 but a function
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returning a long. Cast before taking `max`.
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See https://sourceware.org/git/?p=glibc.git;a=blob;f=NEWS;h=85e84fe53699fe9e392edffa993612ce08b2954a;hb=HEAD
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Signed-off-by: Michel Salim <michel@fb.com>
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Change-Id: I197f8ff3053eede80d6aed096be4f0113dd43241
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(relocated to chromium repo, removed static)
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---
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diff --git a/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc b/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
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index ca353c4..5cdabcf 100644
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--- a/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
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+++ b/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
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@@ -138,7 +138,7 @@
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// SIGSTKSZ may be too small to prevent the signal handlers from overrunning
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// the alternative stack. Ensure that the size of the alternative stack is
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// large enough.
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- static const unsigned kSigStackSize = std::max(16384, SIGSTKSZ);
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+ const unsigned kSigStackSize = std::max(16384U, (unsigned)SIGSTKSZ);
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// Only set an alternative stack if there isn't already one, or if the current
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// one is too small.
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diff --git a/sandbox/linux/services/credentials.cc b/sandbox/linux/services/credentials.cc
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index ca6b595..1c1ee42 100644
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--- a/sandbox/linux/services/credentials.cc
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+++ b/sandbox/linux/services/credentials.cc
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@@ -11,6 +11,7 @@
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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+#include <string.h>
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#include <sys/syscall.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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@@ -100,7 +101,8 @@ bool ChrootToSafeEmptyDir() {
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// TODO(crbug.com/1247458) Broken in MSan builds after LLVM f1bb30a4956f.
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clone_flags |= CLONE_VM | CLONE_VFORK | CLONE_SETTLS;
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- char tls_buf[PTHREAD_STACK_MIN] = {0};
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+ char tls_buf[PTHREAD_STACK_MIN];
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+ memset(tls_buf, 0, PTHREAD_STACK_MIN);
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tls = tls_buf;
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#endif
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