diff options
Diffstat (limited to 'src/os/pidfd_linux.go')
| -rw-r--r-- | src/os/pidfd_linux.go | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/os/pidfd_linux.go b/src/os/pidfd_linux.go index 459d88cb44..0bfef7759c 100644 --- a/src/os/pidfd_linux.go +++ b/src/os/pidfd_linux.go @@ -18,6 +18,7 @@ package os import ( "errors" "internal/syscall/unix" + "runtime" "sync" "syscall" "unsafe" @@ -151,6 +152,13 @@ var checkPidfdOnce = sync.OnceValue(checkPidfd) // execution environment in which the above system calls are restricted by // seccomp or a similar technology. func checkPidfd() error { + // In Android version < 12, pidfd-related system calls are not allowed + // by seccomp and trigger the SIGSYS signal. See issue #69065. + if runtime.GOOS == "android" { + ignoreSIGSYS() + defer restoreSIGSYS() + } + // Get a pidfd of the current process (opening of "/proc/self" won't // work for waitid). fd, err := unix.PidFDOpen(syscall.Getpid(), 0) @@ -192,3 +200,11 @@ func checkPidfd() error { // //go:linkname checkClonePidfd func checkClonePidfd() error + +// Provided by runtime. +// +//go:linkname ignoreSIGSYS +func ignoreSIGSYS() + +//go:linkname restoreSIGSYS +func restoreSIGSYS() |