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elf: Fix a DTV setup issue [BZ #27136]

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The max modid is a valid index in the dtv, it should not be skipped.

The bug is observable if the last module has modid == 64 and its
generation is same or less than the max generation of the previous
modules.  Then dtv[0].counter implies dtv[64] is initialized but
it isn't. Fixes bug 27136.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Szabolcs Nagy 2020-12-30 23:40:14 +00:00
parent aecbe50c9d
commit d2b997c717
1 changed files with 1 additions and 1 deletions
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elf/dl-tls.c
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@ -590,7 +590,7 @@ _dl_allocate_tls_init (void *result)
}
total += cnt;
if (total >= GL(dl_tls_max_dtv_idx))
if (total > GL(dl_tls_max_dtv_idx))
break;
listp = listp->next;