diff options
| author | Dmitry Vyukov <dvyukov@google.com> | 2018-08-30 21:10:38 -0700 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2018-08-30 21:45:04 -0700 |
| commit | a4718693a3d9fcabb02299b2ec07c19d8208c539 (patch) | |
| tree | 4646830d734816c5d6ab7bd5f71338ce3f9b1b54 /pkg/csource/generated.go | |
| parent | 4239b99abbcccac9104facbf2b040a5af4ffe1b1 (diff) | |
sys/linux: add syz_execute_func
The function executes random code.
Update #310
Diffstat (limited to 'pkg/csource/generated.go')
| -rw-r--r-- | pkg/csource/generated.go | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/pkg/csource/generated.go b/pkg/csource/generated.go index 49fc2ffe8..714269f1a 100644 --- a/pkg/csource/generated.go +++ b/pkg/csource/generated.go @@ -349,6 +349,14 @@ static uint16 csum_inet_digest(struct csum_inet* csum) } #endif +#if SYZ_EXECUTOR || __NR_syz_execute_func +static long syz_execute_func(long text) +{ + ((void (*)(void))(text))(); + return 0; +} +#endif + #if GOOS_akaros #include <ros/syscall.h> @@ -712,13 +720,13 @@ static void event_set(event_t* ev) if (ev->state) fail("event already set"); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); - syscall(SYS_futex, &ev->state, FUTEX_WAKE); + syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) - syscall(SYS_futex, &ev->state, FUTEX_WAIT, 0, 0); + syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0); } static int event_isset(event_t* ev) @@ -735,7 +743,7 @@ static int event_timedwait(event_t* ev, uint64 timeout) struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; - syscall(SYS_futex, &ev->state, FUTEX_WAIT, 0, &ts); + syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts); if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; now = current_time_ms(); |