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Bug 1376653 - Unconditionalize the tkill() polyfill. r=gcp

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MozReview-Commit-ID: JzLWCRQ9Keg

--HG--
extra : rebase_source : ff038fd9e1a4ec8047c3a00619a97464778d7c2a
This commit is contained in:
Jed Davis 2017-07-11 16:59:48 -06:00
parent 89b65b175e
commit bbcc5a0f24
1 changed files with 1 additions and 4 deletions
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5
security/sandbox/linux/SandboxFilter.cpp
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@ -92,15 +92,14 @@ protected:
}
private:
#if defined(ANDROID) && ANDROID_VERSION < 16
// Bug 1093893: Translate tkill to tgkill for pthread_kill; fixed in
// bionic commit 10c8ce59a (in JB and up; API level 16 = Android 4.1).
// Bug 1376653: musl also needs this, and security-wise it's harmless.
static intptr_t TKillCompatTrap(const sandbox::arch_seccomp_data& aArgs,
void *aux)
{
return syscall(__NR_tgkill, getpid(), aArgs.args[0], aArgs.args[1]);
}
#endif
static intptr_t SetNoNewPrivsTrap(ArgsRef& aArgs, void* aux) {
if (gSetSandboxFilter == nullptr) {
@ -241,11 +240,9 @@ public:
.Else(InvalidSyscall());
}
#if defined(ANDROID) && ANDROID_VERSION < 16
// Polyfill with tgkill; see above.
case __NR_tkill:
return Trap(TKillCompatTrap, nullptr);
#endif
// Yield
case __NR_sched_yield: