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| author | Zhi Li <yieli@redhat.com> | 2023-04-05 12:08:10 -0400 |
|---|---|---|
| committer | Steve Dickson <steved@redhat.com> | 2023-04-05 12:25:17 -0400 |
| commit | a746c35822e557766d1871ec976490a71e6962d9 (patch) | |
| tree | c85f77a1e83b8fa30487b8bd905ebe14387acc02 | |
| parent | 5faf98a62843d1cda2a0fe15e0878fa1281e42b8 (diff) | |
| download | nfs-utils-a746c35822e557766d1871ec976490a71e6962d9.tar.gz | |
rpcdebug: avoid buffer underflow if read() returns 0
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2176740
Signed-off-by: Zhi Li <yieli@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
| -rw-r--r-- | tools/rpcdebug/rpcdebug.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/rpcdebug/rpcdebug.c b/tools/rpcdebug/rpcdebug.c index 68206cc..ec05179 100644 --- a/tools/rpcdebug/rpcdebug.c +++ b/tools/rpcdebug/rpcdebug.c @@ -257,7 +257,7 @@ get_flags(char *module) perror(filename); exit(1); } - if ((len = read(sysfd, buffer, sizeof(buffer))) < 0) { + if ((len = read(sysfd, buffer, sizeof(buffer))) <= 0) { perror("read"); exit(1); } |