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pagemap: detect EOF on truncated pages in process_async_reads()

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Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>
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Lorenzo Fontana 2026-02-20 09:06:14 +01:00 • committed by Alexander Mikhalitsyn
parent f21a484253
commit d990bd76e8
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1 changed files with 6 additions and 0 deletions
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6
criu/pagemap.c
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@ -559,6 +559,12 @@ static int process_async_reads(struct page_read *pr)
return -1;
}
if (ret == 0 && piov->end != piov->from) {
pr_err("Unexpected EOF reading pages: expected %ju more bytes at offset %ju\n",
piov->end - piov->from, piov->from);
return -1;
}
if (opts.auto_dedup && punch_hole(pr, piov->from, ret, false))
return -1;