Commit-ID: 71f5443ebb1227c22e8decbcd28a1ea6deaf8257
Gitweb: http://git.kernel.org/tip/71f5443ebb1227c22e8decbcd28a1ea6deaf8257
Author: Josh Poimboeuf <jpoim...@redhat.com>
AuthorDate: Tue, 20 Sep 2016 10:53:40 -0500
Committer: Ingo Molnar <mi...@kernel.org>
CommitDate: Tue, 20 Sep 2016 23:36:37 +0200
x86/dumpstack: Fix show_stack() task pointer regression
With the following commit:
e18bcccd1a4e ("x86/dumpstack: Convert show_trace_log_lvl() to use the new
unwinder")
The task pointer argument to show_stack_log_lvl() in show_stack() was
inadvertently changed to 'current'.
Signed-off-by: Josh Poimboeuf <jpoim...@redhat.com>
Cc: Andy Lutomirski <l...@kernel.org>
Cc: Borislav Petkov <b...@alien8.de>
Cc: Brian Gerst <brge...@gmail.com>
Cc: Denys Vlasenko <dvlas...@redhat.com>
Cc: H. Peter Anvin <h...@zytor.com>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: byungchul.p...@lge.com
Cc: fweis...@gmail.com
Cc: keesc...@chromium.org
Cc: linux-tip-comm...@vger.kernel.org
Cc: l...@amacapital.net
Cc: nilayva...@gmail.com
Cc: rost...@goodmis.org
Cc: tip-bot for Josh Poimboeuf <tip...@zytor.com>
Fixes: e18bcccd1a4e ("x86/dumpstack: Convert show_trace_log_lvl() to use the
new unwinder")
Link: http://lkml.kernel.org/r/20160920155340.yhewlx7vmgmov5fb@treble
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
arch/x86/kernel/dumpstack.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index 999de3b..9b7cf5c 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -164,7 +164,7 @@ void show_stack(struct task_struct *task, unsigned long *sp)
if (!sp && task == current)
sp = get_stack_pointer(current, NULL);
- show_stack_log_lvl(current, NULL, sp, "");
+ show_stack_log_lvl(task, NULL, sp, "");
}
void show_stack_regs(struct pt_regs *regs)
