[arch-commits] Commit in electron/trunk (PKGBUILD chromium-glibc-2.33.patch)
Evangelos Foutras
foutrelis at archlinux.org
Thu Feb 4 09:43:46 UTC 2021
Date: Thursday, February 4, 2021 @ 09:43:46
Author: foutrelis
Revision: 844359
Fix broken text rendering when built with glibc 2.33
Added:
electron/trunk/chromium-glibc-2.33.patch
Modified:
electron/trunk/PKGBUILD
---------------------------+
PKGBUILD | 3
chromium-glibc-2.33.patch | 144 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 147 insertions(+)
Modified: PKGBUILD
===================================================================
--- PKGBUILD 2021-02-04 09:39:00 UTC (rev 844358)
+++ PKGBUILD 2021-02-04 09:43:46 UTC (rev 844359)
@@ -25,6 +25,7 @@
'use-system-libraries-in-node.patch'
'icu68.patch'
'v8-icu68.patch'
+ 'chromium-glibc-2.33.patch'
'chromium-skia-harmony.patch'
)
sha256sums=('SKIP'
@@ -34,6 +35,7 @@
'0c54e488780e984c4be5879fa43d0e6fd23edc2207a7ec607c7886fca5115a12'
'38fb5218331d6e03915490dab64f7b8bf26833a581d1aaa02090437c67e9439c'
'6e919c9712d8fe6c2918778df1f8c2ee0675a87a48be5d2aaa54e320703ced4b'
+ '2fccecdcd4509d4c36af873988ca9dbcba7fdb95122894a9fdf502c33a1d7a4b'
'771292942c0901092a402cc60ee883877a99fb804cb54d568c8c6c94565a48e1'
)
@@ -122,6 +124,7 @@
patch -Np1 -i ../icu68.patch
patch -Np1 -d v8 <../v8-icu68.patch
patch -Np0 -i ../chromium-skia-harmony.patch
+ patch -Np1 -i ../chromium-glibc-2.33.patch
patch -Np1 -i ../use-system-libraries-in-node.patch
patch -Np1 -i ../default_app-icon.patch # Icon from .desktop file
Added: chromium-glibc-2.33.patch
===================================================================
--- chromium-glibc-2.33.patch (rev 0)
+++ chromium-glibc-2.33.patch 2021-02-04 09:43:46 UTC (rev 844359)
@@ -0,0 +1,144 @@
+# Patch made by Kevin Kofler <Kevin at tigcc.ticalc.org>
+# https://bugzilla.redhat.com/show_bug.cgi?id=1904652
+
+diff -up chromium-88.0.4324.96/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc.fstatfix chromium-88.0.4324.96/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
+--- chromium-88.0.4324.96/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc.fstatfix 2021-01-25 10:11:45.427436398 -0500
++++ chromium-88.0.4324.96/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc 2021-01-25 10:12:51.337699003 -0500
+@@ -257,6 +257,18 @@ ResultExpr EvaluateSyscallImpl(int fs_de
+ return RestrictKillTarget(current_pid, sysno);
+ }
+
++#if defined(__NR_newfstatat)
++ if (sysno == __NR_newfstatat) {
++ return RewriteFstatatSIGSYS();
++ }
++#endif
++
++#if defined(__NR_fstatat64)
++ if (sysno == __NR_fstatat64) {
++ return RewriteFstatatSIGSYS();
++ }
++#endif
++
+ if (SyscallSets::IsFileSystem(sysno) ||
+ SyscallSets::IsCurrentDirectory(sysno)) {
+ return Error(fs_denied_errno);
+diff -up chromium-88.0.4324.96/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc.fstatfix chromium-88.0.4324.96/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc
+--- chromium-88.0.4324.96/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc.fstatfix 2021-01-25 10:13:10.179774081 -0500
++++ chromium-88.0.4324.96/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc 2021-01-25 10:16:18.790525746 -0500
+@@ -6,6 +6,8 @@
+
+ #include "sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h"
+
++#include <errno.h>
++#include <fcntl.h>
+ #include <stddef.h>
+ #include <stdint.h>
+ #include <string.h>
+@@ -355,6 +357,35 @@ intptr_t SIGSYSSchedHandler(const struct
+ return -ENOSYS;
+ }
+
++intptr_t SIGSYSFstatatHandler(const struct arch_seccomp_data& args,
++ void* aux) {
++ switch (args.nr) {
++#if defined(__NR_newfstatat)
++ case __NR_newfstatat:
++#endif
++#if defined(__NR_fstatat64)
++ case __NR_fstatat64:
++#endif
++#if defined(__NR_newfstatat) || defined(__NR_fstatat64)
++ if (*reinterpret_cast<const char *>(args.args[1]) == '\0'
++ && args.args[3] == static_cast<uint64_t>(AT_EMPTY_PATH)) {
++ return sandbox::sys_fstat64(static_cast<int>(args.args[0]),
++ reinterpret_cast<struct stat64 *>(args.args[2]));
++ } else {
++ errno = EACCES;
++ return -1;
++ }
++ break;
++#endif
++ }
++
++ CrashSIGSYS_Handler(args, aux);
++
++ // Should never be reached.
++ RAW_CHECK(false);
++ return -ENOSYS;
++}
++
+ bpf_dsl::ResultExpr CrashSIGSYS() {
+ return bpf_dsl::Trap(CrashSIGSYS_Handler, NULL);
+ }
+@@ -387,6 +418,10 @@ bpf_dsl::ResultExpr RewriteSchedSIGSYS()
+ return bpf_dsl::Trap(SIGSYSSchedHandler, NULL);
+ }
+
++bpf_dsl::ResultExpr RewriteFstatatSIGSYS() {
++ return bpf_dsl::Trap(SIGSYSFstatatHandler, NULL);
++}
++
+ void AllocateCrashKeys() {
+ #if !defined(OS_NACL_NONSFI)
+ if (seccomp_crash_key)
+diff -up chromium-88.0.4324.96/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h.fstatfix chromium-88.0.4324.96/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h
+--- chromium-88.0.4324.96/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h.fstatfix 2021-01-25 10:16:36.982598236 -0500
++++ chromium-88.0.4324.96/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h 2021-01-25 10:18:45.705111027 -0500
+@@ -62,6 +62,10 @@ SANDBOX_EXPORT intptr_t SIGSYSPtraceFail
+ // sched_setparam(), sched_setscheduler()
+ SANDBOX_EXPORT intptr_t SIGSYSSchedHandler(const arch_seccomp_data& args,
+ void* aux);
++// If the fstatat syscall is actually a disguised fstat, calls the regular fstat
++// syscall, otherwise, crashes in the same way as CrashSIGSYS_Handler.
++SANDBOX_EXPORT intptr_t SIGSYSFstatatHandler(const struct arch_seccomp_data& args,
++ void* aux);
+
+ // Variants of the above functions for use with bpf_dsl.
+ SANDBOX_EXPORT bpf_dsl::ResultExpr CrashSIGSYS();
+@@ -72,6 +76,7 @@ SANDBOX_EXPORT bpf_dsl::ResultExpr Crash
+ SANDBOX_EXPORT bpf_dsl::ResultExpr CrashSIGSYSFutex();
+ SANDBOX_EXPORT bpf_dsl::ResultExpr CrashSIGSYSPtrace();
+ SANDBOX_EXPORT bpf_dsl::ResultExpr RewriteSchedSIGSYS();
++SANDBOX_EXPORT bpf_dsl::ResultExpr RewriteFstatatSIGSYS();
+
+ // Allocates a crash key so that Seccomp information can be recorded.
+ void AllocateCrashKeys();
+diff -up chromium-88.0.4324.96/sandbox/linux/services/syscall_wrappers.cc.fstatfix chromium-88.0.4324.96/sandbox/linux/services/syscall_wrappers.cc
+--- chromium-88.0.4324.96/sandbox/linux/services/syscall_wrappers.cc.fstatfix 2021-01-25 10:18:53.307141311 -0500
++++ chromium-88.0.4324.96/sandbox/linux/services/syscall_wrappers.cc 2021-01-25 10:19:46.982355293 -0500
+@@ -261,4 +261,13 @@ int sys_sigaction(int signum,
+
+ #endif // defined(MEMORY_SANITIZER)
+
++SANDBOX_EXPORT int sys_fstat64(int fd, struct stat64 *buf)
++{
++#if defined(__NR_fstat64)
++ return syscall(__NR_fstat64, fd, buf);
++#else
++ return syscall(__NR_fstat, fd, buf);
++#endif
++}
++
+ } // namespace sandbox
+diff -up chromium-88.0.4324.96/sandbox/linux/services/syscall_wrappers.h.fstatfix chromium-88.0.4324.96/sandbox/linux/services/syscall_wrappers.h
+--- chromium-88.0.4324.96/sandbox/linux/services/syscall_wrappers.h.fstatfix 2021-01-25 10:19:53.115379741 -0500
++++ chromium-88.0.4324.96/sandbox/linux/services/syscall_wrappers.h 2021-01-25 10:20:45.485588421 -0500
+@@ -17,6 +17,7 @@ struct sock_fprog;
+ struct rlimit64;
+ struct cap_hdr;
+ struct cap_data;
++struct stat64;
+
+ namespace sandbox {
+
+@@ -84,6 +85,9 @@ SANDBOX_EXPORT int sys_sigaction(int sig
+ const struct sigaction* act,
+ struct sigaction* oldact);
+
++// Recent glibc rewrites fstat to fstatat.
++SANDBOX_EXPORT int sys_fstat64(int fd, struct stat64 *buf);
++
+ } // namespace sandbox
+
+ #endif // SANDBOX_LINUX_SERVICES_SYSCALL_WRAPPERS_H_
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