| Message ID | 20200218143411.2389182-22-christian.brauner@ubuntu.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | user_namespace: introduce fsid mappings | expand |
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 43d6179508d6..3734713cc0dd 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -304,8 +304,8 @@ static int __ptrace_may_access(struct task_struct *task, unsigned int mode) return 0; rcu_read_lock(); if (mode & PTRACE_MODE_FSCREDS) { - caller_uid = cred->fsuid; - caller_gid = cred->fsgid; + caller_uid = cred->kfsuid; + caller_gid = cred->kfsgid; } else { /* * Using the euid would make more sense here, but something
ptrace_may_access() with PTRACE_MODE_FSCREDS is only used with proc and proc wants to use the unmapped fsids. Suggested-by: Jann Horn <jannh@google.com> Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> --- /* v2 */ patch added /* v3 */ unchanged --- kernel/ptrace.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)