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gadget: f_thor: fix wrong file size cast
Casting 32bit int value directly into 64bit unsigned type causes
wrong value for file size equal or larger than 2GB. Fix the wrong
file size by casting uint32_t first.
Fixes: commit 1fe9ae76b1
("gadget: f_thor: update to support more than 4GB file as thor 5.0")
Reported-by: Junghoon Kim <jhoon20.kim@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
parent
1b3c4cb1e3
commit
8b387f112b
@ -266,8 +266,8 @@ static long long int process_rqt_download(const struct rqt_box *rqt)
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switch (rqt->rqt_data) {
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case RQT_DL_INIT:
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thor_file_size = (unsigned long long int)rqt->int_data[0] +
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(((unsigned long long int)rqt->int_data[1])
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thor_file_size = (uint64_t)(uint32_t)rqt->int_data[0] +
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(((uint64_t)(uint32_t)rqt->int_data[1])
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<< 32);
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debug("INIT: total %llu bytes\n", thor_file_size);
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break;
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@ -280,8 +280,8 @@ static long long int process_rqt_download(const struct rqt_box *rqt)
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break;
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}
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thor_file_size = (unsigned long long int)rqt->int_data[1] +
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(((unsigned long long int)rqt->int_data[2])
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thor_file_size = (uint64_t)(uint32_t)rqt->int_data[1] +
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(((uint64_t)(uint32_t)rqt->int_data[2])
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<< 32);
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memcpy(f_name, rqt->str_data[0], F_NAME_BUF_SIZE);
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f_name[F_NAME_BUF_SIZE] = '\0';
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