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29 Apr 2026 08:31:07 +0200 User-Agent: Mozilla Thunderbird Subject: Re: Fwd: New Defects reported by Coverity Scan for Das U-Boot To: Tom Rini , u-boot@lists.denx.de Cc: Raymond Mao , Ilias Apalodimas , =?UTF-8?Q?Christian_P=C3=B6tzsch?= , Marek Vasut References: <20260428140433.GQ41863@bill-the-cat> Content-Language: en-US From: Michal Simek Autocrypt: addr=michal.simek@amd.com; keydata= xsFNBFFuvDEBEAC9Amu3nk79+J+4xBOuM5XmDmljuukOc6mKB5bBYOa4SrWJZTjeGRf52VMc howHe8Y9nSbG92obZMqsdt+d/hmRu3fgwRYiiU97YJjUkCN5paHXyBb+3IdrLNGt8I7C9RMy svSoH4WcApYNqvB3rcMtJIna+HUhx8xOk+XCfyKJDnrSuKgx0Svj446qgM5fe7RyFOlGX/wF Ae63Hs0RkFo3I/+hLLJP6kwPnOEo3lkvzm3FMMy0D9VxT9e6Y3afe1UTQuhkg8PbABxhowzj SEnl0ICoqpBqqROV/w1fOlPrm4WSNlZJunYV4gTEustZf8j9FWncn3QzRhnQOSuzTPFbsbH5 WVxwDvgHLRTmBuMw1sqvCc7CofjsD1XM9bP3HOBwCxKaTyOxbPJh3D4AdD1u+cF/lj9Fj255 Es9aATHPvoDQmOzyyRNTQzupN8UtZ+/tB4mhgxWzorpbdItaSXWgdDPDtssJIC+d5+hskys8 B3jbv86lyM+4jh2URpnL1gqOPwnaf1zm/7sqoN3r64cml94q68jfY4lNTwjA/SnaS1DE9XXa 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phobos.denx.de X-Virus-Status: Clean On 4/28/26 16:04, Tom Rini wrote: > Here's the latest report. > > ---------- Forwarded message --------- > From: > Date: Mon, Apr 27, 2026, 5:41 PM > Subject: New Defects reported by Coverity Scan for Das U-Boot > To: > > > Hi, > > Please find the latest report on new defect(s) introduced to *Das U-Boot* > found with Coverity Scan. > > - *New Defects Found:* 9 > - 77 defect(s), reported by Coverity Scan earlier, were marked fixed in > the recent build analyzed by Coverity Scan. > - *Defects Shown:* Showing 9 of 9 defect(s) > > Defect Details > > > ** CID 645841: Incorrect expression (BAD_COMPARE) > /common/bloblist.c: 303 in bloblist_apply_blobs() > > > _____________________________________________________________________________________________ > *** CID 645841: Incorrect expression (BAD_COMPARE) > /common/bloblist.c: 303 in bloblist_apply_blobs() > 297 log_err("Failed to apply blob with tag %d\n", > 298 tag); > 299 return ret; > 300 } > 301 > 302 rec = rec_from_blob(blob - dat_off); >>>> CID 645841: Incorrect expression (BAD_COMPARE) >>>> Comparing pointer "rec" against "NULL" using anything besides "==" or "!=" is likely to be incorrect. > 303 if (rec <= 0) { > 304 log_err("Blob corrupted\n"); > 305 return -ENOENT; > 306 } > 307 > 308 /* Mark applied blob record as void */ > I sent a patch for this one. > ** CID 645839: Error handling issues (CHECKED_RETURN) > /lib/fdtdec.c: 1785 in fdtdec_apply_bloblist_dtos() > > > _____________________________________________________________________________________________ > *** CID 645839: Error handling issues (CHECKED_RETURN) > /lib/fdtdec.c: 1785 in fdtdec_apply_bloblist_dtos() > 1779 > 1780 ret = bloblist_apply_blobs(BLOBLISTT_FDT_OVERLAY, > fdtdec_apply_dto_blob); > 1781 if (ret) > 1782 return ret; > 1783 > 1784 /* Shink the blob to the actual FDT size */ >>>> CID 645839: Error handling issues (CHECKED_RETURN) >>>> Calling "fdt_pack" without checking return value (as is done elsewhere 5 out of 6 times). > 1785 fdt_pack(live_fdt); > 1786 return bloblist_resize(BLOBLISTT_CONTROL_FDT, > fdt_totalsize(live_fdt)); > 1787 } > 1788 > 1789 int fdtdec_setup(void) > 1790 { > And this one. M