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| author | Christian Brauner <brauner@kernel.org> | 2025-06-18 22:53:50 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-06-23 12:22:08 +0200 |
| commit | f9fac1f48c20a29f2c39c9a9b96d539ad1636824 (patch) | |
| tree | 3def5fe12a4ec2c905f11546fa49768851fc73d1 | |
| parent | 8c2ab04135682d0f5b1eb1c74ac5f328b65015ea (diff) | |
pidfs: add some CONFIG_DEBUG_VFS asserts
Allow to catch some obvious bugs.
Link: https://lore.kernel.org/20250618-work-pidfs-persistent-v2-16-98f3456fd552@kernel.org
Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
| -rw-r--r-- | fs/pidfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/pidfs.c b/fs/pidfs.c index bde19614ef8b..ba526fdd4c4d 100644 --- a/fs/pidfs.c +++ b/fs/pidfs.c @@ -809,6 +809,8 @@ static struct dentry *pidfs_fh_to_dentry(struct super_block *sb, if (ret < 0) return ERR_PTR(ret); + VFS_WARN_ON_ONCE(!pid->attr); + mntput(path.mnt); return path.dentry; } @@ -1038,6 +1040,8 @@ struct file *pidfs_alloc_file(struct pid *pid, unsigned int flags) if (ret < 0) return ERR_PTR(ret); + VFS_WARN_ON_ONCE(!pid->attr); + flags &= ~PIDFD_STALE; flags |= O_RDWR; pidfd_file = dentry_open(&path, flags, current_cred()); |