(Sandbox) Caught a bad syscall attempt (syscall prctl) (asan only)

This is only for libasan support:

20777 prctl(PR_GET_DUMPABLE)            = 157
20777 --- SIGSYS {si_signo=SIGSYS, si_code=SYS_SECCOMP, si_call_addr=0x7f552ac9f047, si_syscall=__NR_prctl, si_arch=AUDIT_ARCH_X86_64} ---

We would need to support PR_GET_DUMPABLE.