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| author | Dmitry Chagin <dchagin@FreeBSD.org> | 2023-09-18 14:53:01 +0000 |
|---|---|---|
| committer | Dmitry Chagin <dchagin@FreeBSD.org> | 2023-09-18 14:53:01 +0000 |
| commit | 227d01c1bc7caf2e838ee6eef1e6a3cc81d79d1b (patch) | |
| tree | 7c08da2dc60d22af1b88d079b7f7f17f615c3eb7 /sys/compat | |
| parent | 794328fbc174360a09b6ad341624e9bce46f0d2e (diff) | |
| download | src-227d01c1bc7caf2e838ee6eef1e6a3cc81d79d1b.tar.gz src-227d01c1bc7caf2e838ee6eef1e6a3cc81d79d1b.zip | |
linux(4): On Linux SIGKILL can not be reset to default
MFC after: 1 week
Diffstat (limited to 'sys/compat')
| -rw-r--r-- | sys/compat/linux/linux_signal.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/compat/linux/linux_signal.c b/sys/compat/linux/linux_signal.c index e3e3fc74a6a9..9a84700b3949 100644 --- a/sys/compat/linux/linux_signal.c +++ b/sys/compat/linux/linux_signal.c @@ -170,6 +170,7 @@ linux_do_sigaction(struct thread *td, int linux_sig, l_sigaction_t *linux_nsa, if (!LINUX_SIG_VALID(linux_sig)) return (EINVAL); + sig = linux_to_bsd_signal(linux_sig); osa = (linux_osa != NULL) ? &oact : NULL; if (linux_nsa != NULL) { @@ -180,9 +181,11 @@ linux_do_sigaction(struct thread *td, int linux_sig, l_sigaction_t *linux_nsa, linux_ktrsigset(&linux_nsa->lsa_mask, sizeof(linux_nsa->lsa_mask)); #endif + if ((sig == SIGKILL || sig == SIGSTOP) && + nsa->sa_handler == SIG_DFL) + return (EINVAL); } else nsa = NULL; - sig = linux_to_bsd_signal(linux_sig); error = kern_sigaction(td, sig, nsa, osa, 0); if (error != 0) |