diff mbox series

[4/4] um: Use correct data source in fpregs_legacy_set()

Message ID 20250606124428.148164-5-tiwei.btw@antgroup.com
State Accepted
Headers show
Series [1/4] um: ubd: Add missing error check in start_io_thread() | expand

Commit Message

Tiwei Bie June 6, 2025, 12:44 p.m. UTC 
Read from the buffer pointed to by 'from' instead of '&buf', as
'buf' contains no valid data when 'ubuf' is NULL.

Fixes: b1e1bd2e6943 ("um: Add helper functions to get/set state for SECCOMP")
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
---
 arch/x86/um/ptrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/um/ptrace.c b/arch/x86/um/ptrace.c
index 3275870330fe..fae8aabad10f 100644
--- a/arch/x86/um/ptrace.c
+++ b/arch/x86/um/ptrace.c
@@ -161,7 +161,7 @@  static int fpregs_legacy_set(struct task_struct *target,
 		from = kbuf;
 	}
 
-	return um_fxsr_from_i387(fxsave, &buf);
+	return um_fxsr_from_i387(fxsave, from);
 }
 #endif