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| author | Rich Felker <dalias@aerifal.cx> | 2011-02-20 15:16:04 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-02-20 15:16:04 -0500 |
| commit | 96f2197494791f5884c01b5caa908074cc7e90a6 (patch) | |
| tree | 9c5fbfb1fadfa1f0e511d3f18fad7cc364f0f883 | |
| parent | eee150f39c294883841d4f3ad9ce290ea1529a9e (diff) | |
| download | musl-96f2197494791f5884c01b5caa908074cc7e90a6.tar.gz | |
fix null pointer dereference introduced in last sigprocmask commit
| -rw-r--r-- | src/signal/sigprocmask.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/signal/sigprocmask.c b/src/signal/sigprocmask.c index db27f12a..1bc5baa6 100644 --- a/src/signal/sigprocmask.c +++ b/src/signal/sigprocmask.c @@ -12,7 +12,7 @@ int __sigprocmask(int how, const sigset_t *set, sigset_t *old) { sigset_t tmp; /* Disallow blocking thread control signals */ - if (how != SIG_UNBLOCK) { + if (set && how != SIG_UNBLOCK) { tmp = *set; set = &tmp; sigdelset(&tmp, SIGCANCEL); |