Fixes valgrind errors in fuzzed8.ivf because size >= 0x80000000.
#define case_n(a, rd) \
case a: \
while (n_frames--) { \
#define case_n(a, rd) \
case a: \
while (n_frames--) { \
idx += a; \
if (sz > size) { \
s->n_frames = 0; \
av_log(avctx, AV_LOG_ERROR, \
idx += a; \
if (sz > size) { \
s->n_frames = 0; \
av_log(avctx, AV_LOG_ERROR, \
- "Superframe packet size too big: %d > %d\n", \
+ "Superframe packet size too big: %u > %d\n", \
sz, size); \
return size; \
} \
sz, size); \
return size; \
} \