diff options
Diffstat (limited to 'source/l/qt5/patches/qtwebengine-everywhere-src-5.15.2-%231904652.patch')
-rw-r--r-- | source/l/qt5/patches/qtwebengine-everywhere-src-5.15.2-%231904652.patch | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/source/l/qt5/patches/qtwebengine-everywhere-src-5.15.2-%231904652.patch b/source/l/qt5/patches/qtwebengine-everywhere-src-5.15.2-%231904652.patch new file mode 100644 index 000000000..28a60ad1a --- /dev/null +++ b/source/l/qt5/patches/qtwebengine-everywhere-src-5.15.2-%231904652.patch @@ -0,0 +1,141 @@ +diff -ur qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc qtwebengine-everywhere-src-5.15.2-#1904652/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc +--- qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc 2020-11-07 02:22:36.000000000 +0100 ++++ qtwebengine-everywhere-src-5.15.2-#1904652/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc 2021-01-20 02:14:53.066223906 +0100 +@@ -248,6 +248,18 @@ + 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 -ur qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc qtwebengine-everywhere-src-5.15.2-#1904652/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc +--- qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc 2020-11-07 02:22:36.000000000 +0100 ++++ qtwebengine-everywhere-src-5.15.2-#1904652/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc 2021-01-22 19:02:55.651668257 +0100 +@@ -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 <sys/syscall.h> +@@ -353,6 +355,35 @@ + 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); + } +@@ -385,6 +416,10 @@ + 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 -ur qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h qtwebengine-everywhere-src-5.15.2-#1904652/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h +--- qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h 2020-11-07 02:22:36.000000000 +0100 ++++ qtwebengine-everywhere-src-5.15.2-#1904652/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h 2021-01-20 02:11:04.583714199 +0100 +@@ -62,6 +62,10 @@ + // sched_setparam(), sched_setscheduler() + SANDBOX_EXPORT intptr_t + SIGSYSSchedHandler(const struct 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 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 -ur qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/services/syscall_wrappers.cc qtwebengine-everywhere-src-5.15.2-#1904652/src/3rdparty/chromium/sandbox/linux/services/syscall_wrappers.cc +--- qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/services/syscall_wrappers.cc 2020-11-07 02:22:36.000000000 +0100 ++++ qtwebengine-everywhere-src-5.15.2-#1904652/src/3rdparty/chromium/sandbox/linux/services/syscall_wrappers.cc 2021-01-20 02:41:12.033133269 +0100 +@@ -261,4 +261,13 @@ + + #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 -ur qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/services/syscall_wrappers.h qtwebengine-everywhere-src-5.15.2-#1904652/src/3rdparty/chromium/sandbox/linux/services/syscall_wrappers.h +--- qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/services/syscall_wrappers.h 2020-11-07 02:22:36.000000000 +0100 ++++ qtwebengine-everywhere-src-5.15.2-#1904652/src/3rdparty/chromium/sandbox/linux/services/syscall_wrappers.h 2021-01-20 02:40:26.499827829 +0100 +@@ -17,6 +17,7 @@ + struct rlimit64; + struct cap_hdr; + struct cap_data; ++struct stat64; + + namespace sandbox { + +@@ -84,6 +85,9 @@ + 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_ |