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| author | Gerd Hoffmann <kraxel@redhat.com> | 2017-05-09 13:01:28 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2017-05-12 12:26:40 +0200 |
| commit | bd4a683505b27adc1ac809f71e918e58573d851d (patch) | |
| tree | a288e16d402db618528b2a1f53492c0830f11bc8 /hw/usb/redirect.c | |
| parent | a92ff8c123f45b3eb01a54f61d7be088e345612a (diff) | |
| download | focaccia-qemu-bd4a683505b27adc1ac809f71e918e58573d851d.tar.gz focaccia-qemu-bd4a683505b27adc1ac809f71e918e58573d851d.zip | |
usb-redir: fix stack overflow in usbredir_log_data
Don't reinvent a broken wheel, just use the hexdump function we have. Impact: low, broken code doesn't run unless you have debug logging enabled. Reported-by: 李强 <liqiang6-s@360.cn> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20170509110128.27261-1-kraxel@redhat.com
Diffstat (limited to 'hw/usb/redirect.c')
| -rw-r--r-- | hw/usb/redirect.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c index b001a27f05..ad5ef783a6 100644 --- a/hw/usb/redirect.c +++ b/hw/usb/redirect.c @@ -229,21 +229,10 @@ static void usbredir_log(void *priv, int level, const char *msg) static void usbredir_log_data(USBRedirDevice *dev, const char *desc, const uint8_t *data, int len) { - int i, j, n; - if (dev->debug < usbredirparser_debug_data) { return; } - - for (i = 0; i < len; i += j) { - char buf[128]; - - n = sprintf(buf, "%s", desc); - for (j = 0; j < 8 && i + j < len; j++) { - n += sprintf(buf + n, " %02X", data[i + j]); - } - error_report("%s", buf); - } + qemu_hexdump((char *)data, stderr, desc, len); } /* |