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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-11 22:50:44 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-11 22:50:44 +0200 |
| commit | 02150fab6ae9924ef03e21a15f2d5f7415a9cdf7 (patch) | |
| tree | 5084cab9f309a8d768bae6d5b74501d6dd8b00f4 | |
| parent | Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/ker... (diff) | |
| parent | stacktrace: Use PF_KTHREAD to check for kernel threads (diff) | |
| download | linux-02150fab6ae9924ef03e21a15f2d5f7415a9cdf7.tar.xz linux-02150fab6ae9924ef03e21a15f2d5f7415a9cdf7.zip | |
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
| -rw-r--r-- | kernel/stacktrace.c | 2 |
1 files changed, 1 insertions, 1 deletions
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)); |