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| author | Marc André Tanner <mat@brain-dump.org> | 2018-03-11 09:55:06 +0100 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2018-04-19 11:45:22 -0400 |
| commit | 3f6dc30470d5751b83645df180a60cad3e7907ef (patch) | |
| tree | 04f22e86401260a554ed742fbd07b8a56b05dd4f /src/unistd/gethostname.c | |
| parent | 0b80a7b0404b6e49b0b724e3e3fe0ed5af3b08ef (diff) | |
| download | musl-3f6dc30470d5751b83645df180a60cad3e7907ef.tar.gz | |
fix out of bounds write for zero length buffer in gethostname
Diffstat (limited to 'src/unistd/gethostname.c')
| -rw-r--r-- | src/unistd/gethostname.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/unistd/gethostname.c b/src/unistd/gethostname.c index f984b7dd..633ef571 100644 --- a/src/unistd/gethostname.c +++ b/src/unistd/gethostname.c @@ -8,6 +8,6 @@ int gethostname(char *name, size_t len) if (uname(&uts)) return -1; if (len > sizeof uts.nodename) len = sizeof uts.nodename; for (i=0; i<len && (name[i] = uts.nodename[i]); i++); - if (i==len) name[i-1] = 0; + if (i && i==len) name[i-1] = 0; return 0; } |