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-rw-r--r--community/chromium/musl-sandbox.patch48
1 files changed, 32 insertions, 16 deletions
diff --git a/community/chromium/musl-sandbox.patch b/community/chromium/musl-sandbox.patch
index fbb97b9cca1..52c3b210503 100644
--- a/community/chromium/musl-sandbox.patch
+++ b/community/chromium/musl-sandbox.patch
@@ -1,3 +1,6 @@
+musl uses different syscalls from glibc for some functions, so the sandbox has
+to account for that
+--
diff --git a/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc ./sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
index ff5a1c0..da56b9b 100644
--- a/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
@@ -78,7 +81,7 @@ index d9d1882..0567557 100644
diff --git a/sandbox/linux/system_headers/linux_syscalls.h ./sandbox/linux/system_headers/linux_syscalls.h
index 2b78a0c..b6fedb5 100644
--- a/sandbox/linux/system_headers/linux_syscalls.h
-+++ ./sandbox/linux/system_headers/linux_syscalls.h
++++ b/sandbox/linux/system_headers/linux_syscalls.h
@@ -10,6 +10,7 @@
#define SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_SYSCALLS_H_
@@ -87,22 +90,35 @@ index 2b78a0c..b6fedb5 100644
#if defined(__x86_64__)
#include "sandbox/linux/system_headers/x86_64_linux_syscalls.h"
-diff --git a/services/service_manager/sandbox/linux/bpf_renderer_policy_linux.cc ./services/service_manager/sandbox/linux/bpf_renderer_policy_linux.cc
-index a85c0ea..715aa1e 100644
--- a/sandbox/policy/linux/bpf_renderer_policy_linux.cc
-+++ ./sandbox/policy/linux/bpf_renderer_policy_linux.cc
-@@ -93,11 +93,11 @@
++++ b/sandbox/policy/linux/bpf_renderer_policy_linux.cc
+@@ -94,6 +94,9 @@
+ 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:
-- return Allow();
-- case __NR_sched_getaffinity:
- case __NR_sched_getparam:
- case __NR_sched_getscheduler:
- case __NR_sched_setscheduler:
-+ return Allow();
-+ case __NR_sched_getaffinity:
- return RestrictSchedTarget(GetPolicyPid(), sysno);
- case __NR_prlimit64:
- // See crbug.com/662450 and setrlimit comment above.
-
+--- a/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
++++ b/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
+@@ -225,10 +225,15 @@
+ if (sysno == __NR_getpriority || sysno ==__NR_setpriority)
+ return RestrictGetSetpriority(current_pid);
+
++ // XXX: hacks for musl sandbox, calls needed?
++ if (sysno == __NR_sched_getparam || sysno == __NR_sched_getscheduler ||
++ sysno == __NR_sched_setscheduler) {
++ return Allow();
++ }
++
+ // The scheduling syscalls are used in threading libraries and also heavily in
+ // abseil. See for example https://crbug.com/1370394.
+- if (sysno == __NR_sched_getaffinity || sysno == __NR_sched_getparam ||
+- sysno == __NR_sched_getscheduler || sysno == __NR_sched_setscheduler) {
++ if (sysno == __NR_sched_getaffinity) {
+ return RestrictSchedTarget(current_pid, sysno);
+ }
+