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Merge tag 'trace-v4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

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Pull tracing fix from Steven Rostedt:
 "This is a single commit that fixes a bug in uprobes SDT code due to a
  missing mutex protection"

* tag 'trace-v4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  Uprobes: Fix kernel oops with delayed_uprobe_remove()
This commit is contained in:
Linus Torvalds
2018-12-06 10:35:19 -08:00
parent 2acee31cce 1aed58e67a
commit abb8d6ecbd
1 changed files with 2 additions and 0 deletions
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2
kernel/events/uprobes.c
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@ -572,7 +572,9 @@ static void put_uprobe(struct uprobe *uprobe)
* gets called, we don't get a chance to remove uprobe from
* delayed_uprobe_list from remove_breakpoint(). Do it here.
*/
mutex_lock(&delayed_uprobe_lock);
delayed_uprobe_remove(uprobe, NULL);
mutex_unlock(&delayed_uprobe_lock);
kfree(uprobe);
}
}