void-packages/srcpkgs/qt5/patches/0020-musl-sandbox.patch

72 lines
2.6 KiB
Diff

--- qtwebengine/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc 2018-06-15 09:47:20.000000000 +0200
+++ qtwebengine/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc 2018-09-13 19:53:53.453780253 +0200
@@ -129,7 +129,7 @@
// CLONE_VM, nor CLONE_THREAD, which includes all fork() implementations.
ResultExpr RestrictCloneToThreadsAndEPERMFork() {
const Arg<unsigned long> flags(0);
-
+#if defined(__GLIBC__)
// TODO(mdempsky): Extend DSL to support (flags & ~mask1) == mask2.
const uint64_t kAndroidCloneMask = CLONE_VM | CLONE_FS | CLONE_FILES |
CLONE_SIGHAND | CLONE_THREAD |
@@ -148,6 +148,17 @@
return If(IsAndroid() ? android_test : glibc_test, Allow())
.ElseIf((flags & (CLONE_VM | CLONE_THREAD)) == 0, Error(EPERM))
.Else(CrashSIGSYSClone());
+#else
+ const int required = CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
+ CLONE_THREAD | CLONE_SYSVSEM;
+ const int safe = CLONE_SETTLS | CLONE_PARENT_SETTID | CLONE_CHILD_CLEARTID |
+ CLONE_DETACHED;
+ const BoolExpr thread_clone_ok = (flags&~safe)==required;
+
+ return If(thread_clone_ok, Allow())
+ .ElseIf((flags & (CLONE_VM | CLONE_THREAD)) == 0, Error(EPERM))
+ .Else(CrashSIGSYSClone());
+#endif
}
ResultExpr RestrictPrctl() {
--- qtwebengine/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc 2018-06-15 09:47:20.000000000 +0200
+++ qtwebengine/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc 2018-09-13 19:56:31.779773940 +0200
@@ -375,6 +375,9 @@
#if defined(__i386__)
case __NR_waitpid:
#endif
+#if !defined(__GLIBC__)
+ case __NR_set_tid_address:
+#endif
return true;
case __NR_clone: // Should be parameter-restricted.
case __NR_setns: // Privileged.
@@ -387,7 +390,9 @@
#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
case __NR_set_thread_area:
#endif
+#if defined(__GLIBC__)
case __NR_set_tid_address:
+#endif
case __NR_unshare:
#if !defined(__mips__) && !defined(__aarch64__)
case __NR_vfork:
@@ -496,6 +501,9 @@
case __NR_mlock:
case __NR_munlock:
case __NR_munmap:
+#if !defined(__GLIBC__)
+ case __NR_mremap:
+#endif
return true;
case __NR_madvise:
case __NR_mincore:
@@ -511,7 +519,9 @@
case __NR_modify_ldt:
#endif
case __NR_mprotect:
+#if defined(__GLIBC__)
case __NR_mremap:
+#endif
case __NR_msync:
case __NR_munlockall:
case __NR_readahead: