Fix an off-by-one error when populating mincore(2) entries for
skipped entries. lastvecindex references the last valid byte, so the new bytes should come after it. Approved by: re (kib) MFC after: 1 week
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=255497
@ -984,12 +984,12 @@ sys_mincore(td, uap)
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* the byte vector is zeroed for those skipped entries.
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*/
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while ((lastvecindex + 1) < vecindex) {
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++lastvecindex;
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error = subyte(vec + lastvecindex, 0);
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if (error) {
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error = EFAULT;
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goto done2;
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}
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++lastvecindex;
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}
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/*
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@ -1025,12 +1025,12 @@ sys_mincore(td, uap)
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*/
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vecindex = OFF_TO_IDX(end - first_addr);
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while ((lastvecindex + 1) < vecindex) {
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++lastvecindex;
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error = subyte(vec + lastvecindex, 0);
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if (error) {
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error = EFAULT;
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goto done2;
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}
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++lastvecindex;
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}
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/*
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