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Merge tag 'fsnotify_for_v5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull inotify fix from Jan Kara:
 "Fix a file refcount leak in an inotify error path"

* tag 'fsnotify_for_v5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  inotify: Fix fd refcount leak in inotify_add_watch().
This commit is contained in:
Linus Torvalds 2019-01-25 06:03:24 +13:00
commit c04e2a780c
1 changed files with 4 additions and 2 deletions
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6
fs/notify/inotify/inotify_user.c
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@ -724,8 +724,10 @@ SYSCALL_DEFINE3(inotify_add_watch, int, fd, const char __user *, pathname,
return -EBADF;
/* IN_MASK_ADD and IN_MASK_CREATE don't make sense together */
if (unlikely((mask & IN_MASK_ADD) && (mask & IN_MASK_CREATE)))
return -EINVAL;
if (unlikely((mask & IN_MASK_ADD) && (mask & IN_MASK_CREATE))) {
ret = -EINVAL;
goto fput_and_out;
}
/* verify that this is indeed an inotify instance */
if (unlikely(f.file->f_op != &inotify_fops)) {