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Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull stacktrace fix from Thomas Gleixner:
 "Fix yet another instance of kernel thread check which ignores that
  kernel threads can call use_mm()"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  stacktrace: Use PF_KTHREAD to check for kernel threads
alistair/sunxi64-5.4-dsi
Linus Torvalds 2019-07-11 13:50:44 -07:00
parent 3a83f575a3 7e8e6816c6
commit 02150fab6a
1 changed files with 1 additions and 1 deletions
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2
kernel/stacktrace.c
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@ -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));