Messages in this thread Patch in this message | | | From | Eric Paris <> | Subject | [RFC PATCH -v4 03/14] fsnotify: sys_execve and sys_uselib do not call into fsnotify | Date | Fri, 12 Dec 2008 16:51:30 -0500 |
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sys_execve and sys_uselib do not call into fsnotify so inotify, dnotify, and importantly to me fanotify do not see opens on things which are going to be exectued. Create a generic fsnotify hook for these paths.
Signed-off-by: Eric Paris <eparis@redhat.com> ---
fs/exec.c | 5 +++++ include/linux/fsnotify.h | 7 +++++++ 2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/fs/exec.c b/fs/exec.c index ec5df9a..8a659a8 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -51,6 +51,7 @@ #include <linux/audit.h> #include <linux/tracehook.h> #include <linux/kmod.h> +#include <linux/fsnotify.h> #include <asm/uaccess.h> #include <asm/mmu_context.h> @@ -135,6 +136,8 @@ asmlinkage long sys_uselib(const char __user * library) if (IS_ERR(file)) goto out; + fsnotify_open_exec(file); + error = -ENOEXEC; if(file->f_op) { struct linux_binfmt * fmt; @@ -687,6 +690,8 @@ struct file *open_exec(const char *name) if (IS_ERR(file)) return file; + fsnotify_open_exec(file); + err = deny_write_access(file); if (err) { fput(file); diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index dec1afb..ffe787f 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -168,6 +168,13 @@ static inline void fsnotify_modify(struct file *file) } /* + * fsnotify_open_exec - file was opened by execve or uselib + */ +static inline void fsnotify_open_exec(struct file *file) +{ +} + +/* * fsnotify_open - file was opened */ static inline void fsnotify_open(struct file *file)
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