lkml.org 
[lkml]   [2019]   [Jul]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[GIT pull] core/urgent for 5.3-rc1
Linus,

please pull the latest core-urgent-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core-urgent-for-linus

up to: 7e8e6816c649: stacktrace: Use PF_KTHREAD to check for kernel threads

Fix yet another instance of kernel thread check which ignores that kernel
threads can call use_mm().

Thanks,

tglx

------------------>
Thomas Gleixner (1):
stacktrace: Use PF_KTHREAD to check for kernel threads


kernel/stacktrace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index 36139de0a3c4..c8d0f05721a1 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -228,7 +228,7 @@ unsigned int stack_trace_save_user(unsigned long *store, unsigned int size)
};

/* Trace user stack if not a kernel thread */
- if (!current->mm)
+ if (current->flags & PF_KTHREAD)
return 0;

arch_stack_walk_user(consume_entry, &c, task_pt_regs(current));
\
 
 \ /
  Last update: 2019-07-11 22:05    [W:0.035 / U:3.536 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site