| Victor Hsieh | dbb8670 | 2020-06-15 09:29:07 -0700 | [diff] [blame] | 1 | # This file is used to populate seccomp's allowlist policy in combination with SYSCALLS.TXT. |
| Paul Lawrence | 3dd3d55 | 2017-04-12 10:02:54 -0700 | [diff] [blame] | 2 | # Note that the resultant policy is applied only to zygote spawned processes. |
| Paul Lawrence | 7ea4090 | 2017-02-14 13:32:23 -0800 | [diff] [blame] | 3 | # |
| Victor Hsieh | 4f02dd5 | 2017-12-20 09:19:22 -0800 | [diff] [blame] | 4 | # This file is processed by a python script named genseccomp.py. |
| Paul Lawrence | 7ea4090 | 2017-02-14 13:32:23 -0800 | [diff] [blame] | 5 | |
| 6 | # syscalls needed to boot android |
| Elliott Hughes | 2b49904 | 2020-02-13 14:21:55 -0800 | [diff] [blame] | 7 | int pivot_root:pivot_root(const char *new_root, const char *put_old) lp64 |
| 8 | int ioprio_get:ioprio_get(int which, int who) lp64 |
| 9 | int ioprio_set:ioprio_set(int which, int who, int ioprio) lp64 |
| Paul Lawrence | 89fa81f | 2017-02-17 10:22:03 -0800 | [diff] [blame] | 10 | pid_t gettid:gettid() all |
| 11 | int futex:futex(int *uaddr, int futex_op, int val, const struct timespec *timeout, int *uaddr2, int val3) all |
| 12 | int clone:clone(int (*fn)(void *), void *child_stack, int flags, void *arg, ..) all |
| Elliott Hughes | 2b49904 | 2020-02-13 14:21:55 -0800 | [diff] [blame] | 13 | int sigreturn:sigreturn(unsigned long __unused) lp32 |
| Paul Lawrence | 89fa81f | 2017-02-17 10:22:03 -0800 | [diff] [blame] | 14 | int rt_sigreturn:rt_sigreturn(unsigned long __unused) all |
| 15 | int rt_tgsigqueueinfo:int rt_tgsigqueueinfo(pid_t tgid, pid_t tid, int sig, siginfo_t *uinfo) all |
| 16 | int restart_syscall:int restart_syscall() all |
| Paul Lawrence | 7ea4090 | 2017-02-14 13:32:23 -0800 | [diff] [blame] | 17 | |
| Victor Hsieh | 1afb40c | 2018-03-30 16:48:36 +0000 | [diff] [blame] | 18 | # vfork is used by java.lang.ProcessBuilder |
| 19 | pid_t vfork:vfork() arm,x86,x86_64 |
| 20 | |
| Paul Lawrence | 7ea4090 | 2017-02-14 13:32:23 -0800 | [diff] [blame] | 21 | # Needed for performance tools |
| Paul Lawrence | 89fa81f | 2017-02-17 10:22:03 -0800 | [diff] [blame] | 22 | int perf_event_open:perf_event_open(struct perf_event_attr *attr, pid_t pid, int cpu, int group_fd, unsigned long flags) all |
| Paul Lawrence | 7ea4090 | 2017-02-14 13:32:23 -0800 | [diff] [blame] | 23 | |
| 24 | # Needed for strace |
| Paul Lawrence | 89fa81f | 2017-02-17 10:22:03 -0800 | [diff] [blame] | 25 | int tkill:tkill(int tid, int sig) all |
| Paul Lawrence | 7ea4090 | 2017-02-14 13:32:23 -0800 | [diff] [blame] | 26 | |
| Paul Lawrence | 7ea4090 | 2017-02-14 13:32:23 -0800 | [diff] [blame] | 27 | # b/34763393 |
| Paul Lawrence | 89fa81f | 2017-02-17 10:22:03 -0800 | [diff] [blame] | 28 | int seccomp:seccomp(unsigned int operation, unsigned int flags, void *args) all |
| Paul Lawrence | 7ea4090 | 2017-02-14 13:32:23 -0800 | [diff] [blame] | 29 | |
| Elliott Hughes | 33e0799 | 2019-07-11 14:59:12 -0700 | [diff] [blame] | 30 | # Needed by sanitizers (b/34606909, b/136777266). |
| 31 | int open:open(const char*, int, ...) arm,x86,x86_64 |
| 32 | int stat64:stat64(const char*, struct stat64*) arm,x86 |
| 33 | ssize_t readlink:readlink(const char*, char*, size_t) arm,x86,x86_64 |
| Paul Lawrence | 7ea4090 | 2017-02-14 13:32:23 -0800 | [diff] [blame] | 34 | |
| Elliott Hughes | 9a5bdd6 | 2019-08-05 08:40:52 -0700 | [diff] [blame] | 35 | # |
| Josh Gao | de9262e | 2017-04-18 16:05:39 -0700 | [diff] [blame] | 36 | # Useful new syscalls which we don't yet use in bionic. |
| Elliott Hughes | 9a5bdd6 | 2019-08-05 08:40:52 -0700 | [diff] [blame] | 37 | # |
| 38 | |
| Elliott Hughes | 9a5bdd6 | 2019-08-05 08:40:52 -0700 | [diff] [blame] | 39 | # Since Linux 2.5, not in glibc. |
| Jerry Zhang | 8dc4ef9 | 2017-05-10 15:19:00 -0700 | [diff] [blame] | 40 | int io_setup(unsigned nr, aio_context_t *ctxp) all |
| 41 | int io_destroy(aio_context_t ctx) all |
| 42 | int io_submit(aio_context_t ctx, long nr, struct iocb **iocbpp) all |
| 43 | int io_getevents(aio_context_t ctx, long min_nr, long max_nr, struct io_event *events, struct timespec *timeout) all |
| 44 | int io_cancel(aio_context_t ctx, struct iocb *, struct io_event *result) all |
| Elliott Hughes | 3d24d2b | 2019-08-05 13:53:01 -0700 | [diff] [blame] | 45 | # Since Linux 3.14, not in glibc. |
| 46 | int sched_getattr(pid_t pid, struct sched_attr* attr, unsigned int flags) all |
| 47 | int sched_setattr(pid_t pid, struct sched_attr* attr, unsigned int size, unsigned int flags) all |
| 48 | # Since Linux 3.19, not in glibc (and not really needed to implement fexecve). |
| 49 | int execveat(int dirfd, const char* pathname, char* const* argv, char* const* envp, int flags) all |
| 50 | # Since Linux 4.3, not in glibc. Probed for and conditionally used by ART. |
| 51 | int membarrier(int cmd, int flags) all |
| 52 | # Since Linux 4.5, glibc 2.27. |
| 53 | ssize_t copy_file_range(int fd_in, loff_t* off_in, int fd_out, loff_t* off_out, size_t len, unsigned int flags) all |
| 54 | # Since Linux 4.6, glibc 2.26. |
| 55 | ssize_t preadv2(int fd, const struct iovec* iov, int iovcnt, off_t offset, int flags) all |
| 56 | ssize_t pwritev2(int fd, const struct iovec* iov, int iovcnt, off_t offset, int flags) all |
| Elliott Hughes | 9a5bdd6 | 2019-08-05 08:40:52 -0700 | [diff] [blame] | 57 | # Since Linux 5.1, not in glibc. |
| Elliott Hughes | ee7bc30 | 2019-07-31 18:39:00 -0700 | [diff] [blame] | 58 | int clock_gettime64(clockid_t, timespec64*) lp32 |
| 59 | int clock_settime64(clockid_t, const timespec64*) lp32 |
| 60 | int clock_adjtime64(clockid_t, timex64*) lp32 |
| 61 | int clock_getres_time64(clockid_t, timespec64*) lp32 |
| 62 | int clock_nanosleep_time64(clockid_t, int, const timespec64*, timespec*) lp32 |
| Elliott Hughes | ee7bc30 | 2019-07-31 18:39:00 -0700 | [diff] [blame] | 63 | int timer_gettime64(__kernel_timer_t, itimerspec64*) lp32 |
| 64 | int timer_settime64(__kernel_timer_t, int, const itimerspec64*, itimerspec64*) lp32 |
| 65 | int timerfd_gettime64(int, itimerspec64*) lp32 |
| 66 | int timerfd_settime64(int, int, const itimerspec64*, itimerspec64*) lp32 |
| 67 | int utimensat_time64(int, const char*, const timespec64[2], int) lp32 |
| 68 | int pselect6_time64(int, fd_set*, fd_set*, timespec64*, void*) lp32 |
| 69 | int ppoll_time64(pollfd*, unsigned int, timespec64*, const sigset64_t*, size_t) lp32 |
| 70 | int recvmmsg_time64(int, mmsghdr*, unsigned int, int, const timespec64*) lp32 |
| 71 | int semtimedop_time64(int, sembuf*, size_t, const timespec64*) lp32 |
| 72 | int rt_sigtimedwait_time64(const sigset64_t*, siginfo_t*, const timespec64*, size_t) lp32 |
| 73 | int futex_time64(int*, int, int, const timespec64*, int*, int) lp32 |
| 74 | int sched_rr_get_interval_time64(pid_t, timespec64*) lp32 |
| Lokesh Gidra | 7839c17 | 2021-03-11 08:00:26 -0800 | [diff] [blame] | 75 | # Since Linux 5.4, not in glibc. Probed for and conditionally used by ART. |
| 76 | int userfaultfd(int) all |