The patch titled
Subject: fs/procfs: fix the comment above proc_pid_wchan()
has been added to the -mm mm-nonmm-unstable branch. Its filename is
fs-procfs-fix-the-comment-above-proc_pid_wchan.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/fs-procfs-fix-the-comment-above-proc_pid_wchan.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Bart Van Assche <bvanassche@xxxxxxx>
Subject: fs/procfs: fix the comment above proc_pid_wchan()
Date: Wed, 19 Mar 2025 14:02:22 -0700
proc_pid_wchan() used to report kernel addresses to user space but that is
no longer the case today. Bring the comment above proc_pid_wchan() in
sync with the implementation.
Link: https://lkml.kernel.org/r/20250319210222.1518771-1-bvanassche@xxxxxxx
Fixes: b2f73922d119 ("fs/proc, core/debug: Don't expose absolute kernel addresses via wchan")
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
Cc: Kees Cook <kees@xxxxxxxxxx>
Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/base.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/proc/base.c~fs-procfs-fix-the-comment-above-proc_pid_wchan
+++ a/fs/proc/base.c
@@ -416,7 +416,7 @@ static const struct file_operations proc
#ifdef CONFIG_KALLSYMS
/*
* Provides a wchan file via kallsyms in a proper one-value-per-file format.
- * Returns the resolved symbol. If that fails, simply return the address.
+ * Returns the resolved symbol to user space.
*/
static int proc_pid_wchan(struct seq_file *m, struct pid_namespace *ns,
struct pid *pid, struct task_struct *task)
_
Patches currently in -mm which might be from bvanassche@xxxxxxx are
fs-procfs-fix-the-comment-above-proc_pid_wchan.patch
