b65dec5629
With the cgroups support, this is starting to look like something we might actually want to use one day. Start preparing now. Test: treehugger Change-Id: I7c015bbf6b145b66124ee9ce74816c03e51df7c8
84 lines
3.9 KiB
Text
84 lines
3.9 KiB
Text
# This file is used to populate seccomp's allowlist policy in combination with SYSCALLS.TXT.
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# Note that the resultant policy is applied only to zygote spawned processes.
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#
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# This file is processed by a python script named genseccomp.py.
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# Syscalls needed to boot android
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int pivot_root(const char*, const char*) lp64
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int ioprio_get(int, int) lp64
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int ioprio_set(int, int, int) lp64
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# Syscalls used internally by bionic, but not exposed directly.
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pid_t gettid() all
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int futex(int*, int, int, const timespec*, int*, int) all
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pid_t clone(int (*)(void*), void*, int, void*, ...) all
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int sigreturn(unsigned long) lp32
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int rt_sigreturn(unsigned long) all
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int rt_tgsigqueueinfo(pid_t, pid_t, int, siginfo_t*) all
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int restart_syscall() all
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# The public API doesn't set errno, so we call this via inline assembler.
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int riscv_hwprobe(riscv_hwprobe*, size_t, size_t, unsigned long*, unsigned) riscv64
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# vfork is used by bionic (and java.lang.ProcessBuilder) on some
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# architectures. (The others use clone(2) directly instead.)
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pid_t vfork() arm,x86,x86_64
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# Needed for performance tools.
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int perf_event_open(perf_event_attr*, pid_t, int, int, unsigned long) all
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# Needed for strace.
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int tkill(int, int) all
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# Needed for a CTS test of seccomp (b/34763393).
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int seccomp(unsigned, unsigned, void*) all
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# TODO: remove these now we've updated the toolchain (http://b/229989971).
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int open(const char*, int, ...) arm,x86,x86_64
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int stat64(const char*, stat64*) arm,x86
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ssize_t readlink(const char*, char*, size_t) arm,x86,x86_64
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int stat(const char*, stat*) arm,x86,x86_64
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#
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# (Potentially) useful new syscalls which we don't yet use in bionic.
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#
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# Since Linux 2.5, not in glibc.
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int io_setup(unsigned, aio_context_t*) all
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int io_destroy(aio_context_t) all
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int io_submit(aio_context_t, long, iocb**) all
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int io_getevents(aio_context_t, long, long, io_event*, timespec*) all
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int io_cancel(aio_context_t, iocb*, io_event*) all
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# Since Linux 3.14, not in glibc.
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int sched_getattr(pid_t, sched_attr*, unsigned) all
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int sched_setattr(pid_t, sched_attr*, unsigned, unsigned) all
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# Since Linux 3.19, not in glibc (and not really needed to implement fexecve).
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int execveat(int, const char*, char* const*, char* const*, int) all
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# Since Linux 4.3, not in glibc. Probed for and conditionally used by ART.
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int membarrier(int, int) all
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int userfaultfd(int) all
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# Since Linux 5.1, not in glibc. Not used by bionic, and not likely ever
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# to be (because the last thing anyone needs is a new 32-bit ABI in the
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# 2020s!) but http://b/138781460 showed cuttlefish needed at least the
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# clock_gettime64 syscall.
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int clock_gettime64(clockid_t, timespec64*) lp32
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int clock_settime64(clockid_t, const timespec64*) lp32
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int clock_adjtime64(clockid_t, timex64*) lp32
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int clock_getres_time64(clockid_t, timespec64*) lp32
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int clock_nanosleep_time64(clockid_t, int, const timespec64*, timespec*) lp32
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int timer_gettime64(__kernel_timer_t, itimerspec64*) lp32
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int timer_settime64(__kernel_timer_t, int, const itimerspec64*, itimerspec64*) lp32
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int timerfd_gettime64(int, itimerspec64*) lp32
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int timerfd_settime64(int, int, const itimerspec64*, itimerspec64*) lp32
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int utimensat_time64(int, const char*, const timespec64[2], int) lp32
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int pselect6_time64(int, fd_set*, fd_set*, timespec64*, void*) lp32
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int ppoll_time64(pollfd*, unsigned int, timespec64*, const sigset64_t*, size_t) lp32
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int recvmmsg_time64(int, mmsghdr*, unsigned int, int, const timespec64*) lp32
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int rt_sigtimedwait_time64(const sigset64_t*, siginfo_t*, const timespec64*, size_t) lp32
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int futex_time64(int*, int, int, const timespec64*, int*, int) lp32
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int sched_rr_get_interval_time64(pid_t, timespec64*) lp32
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# Since Linux 5.3, not in glibc. Not used by bionic, but increasingly
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# likely to be useful as new features are added. In particular, cgroups
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# support seems potentially useful for Android (though the struct that
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# changes size over time is obviously problematic).
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pid_t clone3(clone_args*, size_t) all
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