Skip to content

{bp-19854} fs/vfs/fs_read.c: Allow NULL iov_base when CONFIG_ARCH_TEXT_VBASE == 0 #20068

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
xiaoxiang781216 merged 1 commit into from
Sep 7, 2026
Merged

{bp-19854} fs/vfs/fs_read.c: Allow NULL iov_base when CONFIG_ARCH_TEXT_VBASE == 0 #20068

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 9 additions & 0 deletions fs/vfs/fs_read.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -176,6 +176,14 @@ ssize_t file_readv(FAR struct file *filep,
return -EFAULT;
}

/* -------------------- DO NOT REMOVE --------------------
* Only for kernel builds with CONFIG_ARCH_TEXT_VBASE == 0.
* In this case we have to allow the NULL buffer otherwise
* kernel builds will fail to load elf binaries found at 0.
*/

#if !defined(CONFIG_BUILD_KERNEL) || CONFIG_ARCH_TEXT_VBASE != 0

/* Are all iov_base accessible? */

for (ret = 0; ret < iovcnt; ret++)
Expand All @@ -185,6 +193,7 @@ ssize_t file_readv(FAR struct file *filep,
return -EFAULT;
}
}
#endif

ret = -EBADF;

Expand Down
Loading