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tracee context is broken when tracee call execve

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Tomoki Shirasawa
2015-09-03 10:05:25 +09:00
parent 9dd224385e
commit 0909a5bed5
1 changed files with 4 additions and 0 deletions
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4
kernel/syscall.c
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@@ -1569,8 +1569,12 @@ static int ptrace_report_exec(struct process *proc)
int ptrace = proc->ftn->ptrace; int ptrace = proc->ftn->ptrace;
if (ptrace & (PT_TRACE_EXEC|PTRACE_O_TRACEEXEC)) { if (ptrace & (PT_TRACE_EXEC|PTRACE_O_TRACEEXEC)) {
ihk_mc_kernel_context_t ctx;
int sig = (SIGTRAP | (PTRACE_EVENT_EXEC << 8)); int sig = (SIGTRAP | (PTRACE_EVENT_EXEC << 8));
memcpy(&ctx, &proc->ctx, sizeof ctx);
ptrace_report_signal(proc, sig); ptrace_report_signal(proc, sig);
memcpy(&proc->ctx, &ctx, sizeof ctx);
} }
return 0; return 0;
} }