[arch-commits] Commit in chromium/trunk (PKGBUILD chromium-glibc-2.33.patch)
Evangelos Foutras
foutrelis at archlinux.org
Thu Feb 4 09:45:17 UTC 2021
Date: Thursday, February 4, 2021 @ 09:45:17
Author: foutrelis
Revision: 407223
Fix broken text rendering when built with glibc 2.33
Added:
chromium/trunk/chromium-glibc-2.33.patch
Modified:
chromium/trunk/PKGBUILD
---------------------------+
PKGBUILD | 5 +
chromium-glibc-2.33.patch | 144 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 149 insertions(+)
Modified: PKGBUILD
===================================================================
--- PKGBUILD 2021-02-04 09:30:13 UTC (rev 407222)
+++ PKGBUILD 2021-02-04 09:45:17 UTC (rev 407223)
@@ -26,10 +26,12 @@
source=(https://commondatastorage.googleapis.com/chromium-browser-official/$pkgname-$pkgver.tar.xz
https://github.com/foutrelis/chromium-launcher/archive/v$_launcher_ver/chromium-launcher-$_launcher_ver.tar.gz
https://github.com/stha09/chromium-patches/releases/download/chromium-${pkgver%%.*}-patchset-$_gcc_patchset/chromium-${pkgver%%.*}-patchset-$_gcc_patchset.tar.xz
+ chromium-glibc-2.33.patch
subpixel-anti-aliasing-in-FreeType-2.8.1.patch)
sha256sums=('38b118fbe8bbdf89e4f170ced090088f5eb2bb68f2295abbb0006cc94b7f827d'
'86859c11cfc8ba106a3826479c0bc759324a62150b271dd35d1a0f96e890f52f'
'e5a60a4c9d0544d3321cc241b4c7bd4adb0a885f090c6c6c21581eac8e3b4ba9'
+ '2fccecdcd4509d4c36af873988ca9dbcba7fdb95122894a9fdf502c33a1d7a4b'
'1e2913e21c491d546e05f9b4edf5a6c7a22d89ed0b36ef692ca6272bcd5faec6')
# Possible replacements are listed in build/linux/unbundle/replace_gn_files.py
@@ -78,6 +80,9 @@
third_party/blink/renderer/core/xml/parser/xml_document_parser.cc \
third_party/libxml/chromium/*.cc
+ # https://crbug.com/1164975
+ patch -Np1 -i ../chromium-glibc-2.33.patch
+
# Upstream fixes
patch -Np1 -d third_party/skia <../subpixel-anti-aliasing-in-FreeType-2.8.1.patch
Added: chromium-glibc-2.33.patch
===================================================================
--- chromium-glibc-2.33.patch (rev 0)
+++ chromium-glibc-2.33.patch 2021-02-04 09:45:17 UTC (rev 407223)
@@ -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_
More information about the arch-commits
mailing list