diff options
| -rw-r--r-- | src/sim/syscall_emul.hh | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh index 504add35f..87899abca 100644 --- a/src/sim/syscall_emul.hh +++ b/src/sim/syscall_emul.hh @@ -1004,6 +1004,9 @@ mmapFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) int tgt_fd = p->getSyscallArg(tc, index); // int offset = p->getSyscallArg(tc, index); + if (length > 0x100000000ULL) + warn("mmap length argument %#x is unreasonably large.\n", length); + if (!(flags & OS::TGT_MAP_ANONYMOUS)) { Process::FdMap *fd_map = p->sim_fd_obj(tgt_fd); if (!fd_map || fd_map->fd < 0) { |