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linux: make sure to zero the l_siginfo structure for ptrace(2)

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Reported By:	dchagin
Sponsored By:	EPSRC
This commit is contained in:
Edward Tomasz Napierala 2021-06-08 10:18:29 +01:00
parent 2362ad457a
commit f102b61d0e
1 changed files with 1 additions and 0 deletions
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sys/amd64/linux/linux_ptrace.c
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@ -379,6 +379,7 @@ linux_ptrace_getsiginfo(struct thread *td, pid_t pid, l_ulong data)
}
sig = bsd_to_linux_signal(lwpinfo.pl_siginfo.si_signo);
memset(&l_siginfo, 0, sizeof(l_siginfo));
siginfo_to_lsiginfo(&lwpinfo.pl_siginfo, &l_siginfo, sig);
error = copyout(&l_siginfo, (void *)data, sizeof(l_siginfo));
return (error);