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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2017-03-07 09:16:27 -0600 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-03-14 14:41:19 +0100 |
| commit | 2563c9c6b8670400c48e562034b321a7cf3d9a85 (patch) | |
| tree | 4c24cc4bb13b7f4748f1f659fd88c7c2ba13d9fa /nbd/client.c | |
| parent | b31f84126215e3fd4b8acbc3083ae30d407329e8 (diff) | |
| download | qemu-2563c9c6b8670400c48e562034b321a7cf3d9a85.tar.gz | |
nbd/client: fix drop_sync [CVE-2017-2630]
Comparison symbol is misused. It may lead to memory corruption.
Introduced in commit 7d3123e.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20170203154757.36140-6-vsementsov@virtuozzo.com>
[eblake: add CVE details, update conditional]
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170307151627.27212-1-eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'nbd/client.c')
| -rw-r--r-- | nbd/client.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/nbd/client.c b/nbd/client.c index 5c9dee37fa..3dc2564cd0 100644 --- a/nbd/client.c +++ b/nbd/client.c @@ -94,7 +94,7 @@ static ssize_t drop_sync(QIOChannel *ioc, size_t size) char small[1024]; char *buffer; - buffer = sizeof(small) < size ? small : g_malloc(MIN(65536, size)); + buffer = sizeof(small) >= size ? small : g_malloc(MIN(65536, size)); while (size > 0) { ssize_t count = read_sync(ioc, buffer, MIN(65536, size)); |