diff --git a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc index bb0e13f4d2..cfc37e20dc 100644 --- a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc +++ b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc @@ -131,21 +131,11 @@ namespace sandbox { // present (as in newer versions of posix_spawn). ResultExpr RestrictCloneToThreadsAndEPERMFork() { const Arg flags(0); - - // TODO(mdempsky): Extend DSL to support (flags & ~mask1) == mask2. - const uint64_t kAndroidCloneMask = CLONE_VM | CLONE_FS | CLONE_FILES | - CLONE_SIGHAND | CLONE_THREAD | - CLONE_SYSVSEM; - const uint64_t kObsoleteAndroidCloneMask = kAndroidCloneMask | CLONE_DETACHED; - - const uint64_t kGlibcPthreadFlags = - CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND | CLONE_THREAD | - CLONE_SYSVSEM | CLONE_SETTLS | CLONE_PARENT_SETTID | CLONE_CHILD_CLEARTID; - const BoolExpr glibc_test = flags == kGlibcPthreadFlags; - - const BoolExpr android_test = - AnyOf(flags == kAndroidCloneMask, flags == kObsoleteAndroidCloneMask, - flags == kGlibcPthreadFlags); + 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; // The following two flags are the two important flags in any vfork-emulating // clone call. EPERM any clone call that contains both of them. @@ -155,7 +145,7 @@ ResultExpr RestrictCloneToThreadsAndEPERMFork() { AnyOf((flags & (CLONE_VM | CLONE_THREAD)) == 0, (flags & kImportantCloneVforkFlags) == kImportantCloneVforkFlags); - return If(IsAndroid() ? android_test : glibc_test, Allow()) + return If(thread_clone_ok, Allow()) .ElseIf(is_fork_or_clone_vfork, Error(EPERM)) .Else(CrashSIGSYSClone()); } diff --git a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc index 4f56b6e0d1..f6e77d1985 100644 --- a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc +++ b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc @@ -438,6 +438,7 @@ bool SyscallSets::IsAllowedProcessStartOrDeath(int sysno) { #if defined(__i386__) case __NR_waitpid: #endif + case __NR_set_tid_address: return true; case __NR_clone: // Should be parameter-restricted. case __NR_setns: // Privileged. @@ -450,7 +451,6 @@ bool SyscallSets::IsAllowedProcessStartOrDeath(int sysno) { #if defined(__i386__) || defined(__x86_64__) || defined(__mips__) case __NR_set_thread_area: #endif - case __NR_set_tid_address: case __NR_unshare: #if !defined(__mips__) && !defined(__aarch64__) case __NR_vfork: @@ -549,6 +549,8 @@ bool SyscallSets::IsAllowedAddressSpaceAccess(int sysno) { case __NR_munlock: case __NR_munmap: case __NR_mseal: + case __NR_mremap: + case __NR_membarrier: return true; case __NR_madvise: case __NR_mincore: @@ -566,7 +568,6 @@ bool SyscallSets::IsAllowedAddressSpaceAccess(int sysno) { case __NR_modify_ldt: #endif case __NR_mprotect: - case __NR_mremap: case __NR_msync: case __NR_munlockall: case __NR_readahead: diff --git a/src/3rdparty/chromium/sandbox/linux/system_headers/linux_syscalls.h b/src/3rdparty/chromium/sandbox/linux/system_headers/linux_syscalls.h index 438147b401..6b67cbcedc 100644 --- a/src/3rdparty/chromium/sandbox/linux/system_headers/linux_syscalls.h +++ b/src/3rdparty/chromium/sandbox/linux/system_headers/linux_syscalls.h @@ -10,6 +10,7 @@ #define SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_SYSCALLS_H_ #include "build/build_config.h" +#include #if defined(__x86_64__) #include "sandbox/linux/system_headers/x86_64_linux_syscalls.h" diff --git a/src/3rdparty/chromium/sandbox/policy/linux/bpf_renderer_policy_linux.cc b/src/3rdparty/chromium/sandbox/policy/linux/bpf_renderer_policy_linux.cc index 0555a85bc6..9d9fc7364e 100644 --- a/src/3rdparty/chromium/sandbox/policy/linux/bpf_renderer_policy_linux.cc +++ b/src/3rdparty/chromium/sandbox/policy/linux/bpf_renderer_policy_linux.cc @@ -104,6 +104,9 @@ ResultExpr RendererProcessPolicy::EvaluateSyscall(int sysno) const { case __NR_pwrite64: case __NR_sched_get_priority_max: case __NR_sched_get_priority_min: + case __NR_sched_getparam: + case __NR_sched_getscheduler: + case __NR_sched_setscheduler: case __NR_sysinfo: case __NR_times: case __NR_uname: