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Merge tag 'perf-urgent-2020-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into master

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Pull uprobe fix from Ingo Molnar:
 "Fix an interaction/regression between uprobes based shared library
  tracing & GDB"

* tag 'perf-urgent-2020-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  uprobes: Change handle_swbp() to send SIGTRAP with si_code=SI_KERNEL, to fix GDB regression
This commit is contained in:
Linus Torvalds
2020-07-25 13:55:38 -07:00
parent a7b36c2b13 fe5ed7ab99
commit 78b1afe22d
1 changed files with 1 additions and 1 deletions
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2
kernel/events/uprobes.c
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@ -2199,7 +2199,7 @@ static void handle_swbp(struct pt_regs *regs)
if (!uprobe) {
if (is_swbp > 0) {
/* No matching uprobe; signal SIGTRAP. */
send_sig(SIGTRAP, current, 0);
force_sig(SIGTRAP);
} else {
/*
* Either we raced with uprobe_unregister() or we can't