Messages in this thread Patch in this message |  | | Date | Sat, 25 Jul 2020 14:05:40 +0200 | From | Ingo Molnar <> | Subject | [GIT PULL] uprobes fix |
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Linus,
Please pull the latest perf/urgent git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf-urgent-2020-07-25
# HEAD: fe5ed7ab99c656bd2f5b79b49df0e9ebf2cead8a uprobes: Change handle_swbp() to send SIGTRAP with si_code=SI_KERNEL, to fix GDB regression
Fix a interaction/regression between uprobes based shared library tracing & GDB.
Thanks,
Ingo
------------------> Oleg Nesterov (1): uprobes: Change handle_swbp() to send SIGTRAP with si_code=SI_KERNEL, to fix GDB regression
kernel/events/uprobes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index bb0862873dba..5f8b0c52fd2e 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -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
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