mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-08-02 22:30:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

Kernel: mmap() should fail with ENODEV for directories

Browse source
This commit is contained in:
Andreas Kling 2020-01-08 12:33:36 +01:00
commit 50056d1d84
Notes: sideshowbarker 2024-07-19 10:16:21 +09:00
2 changed files with 19 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Kernel/Process.cpp
View file

@ -339,6 +339,8 @@ void* Process::sys$mmap(const Syscall::SC_mmap_params* user_params)
auto description = file_description(fd);
if (!description)
return (void*)-EBADF;
if (description->is_directory())
return (void*)-ENODEV;
if ((prot & PROT_READ) && !description->is_readable())
return (void*)-EACCES;
if ((prot & PROT_WRITE) && !description->is_writable())