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Core: fixed potential buffer overrun when initializing hash.

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Initial size as calculated from the number of elements may be bigger
than max_size.  If this happens, make sure to set size to max_size.

Reported by Chris West.
This commit is contained in:
Maxim Dounin 2015-02-24 18:37:14 +03:00
parent 06d72320ff
commit 0071fbb9e6
1 changed files with 1 additions and 1 deletions
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2
src/core/ngx_hash.c
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@ -312,7 +312,7 @@ ngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, ngx_uint_t nelts)
continue; continue;
} }
size--; size = hinit->max_size;
ngx_log_error(NGX_LOG_WARN, hinit->pool->log, 0, ngx_log_error(NGX_LOG_WARN, hinit->pool->log, 0,
"could not build optimal %s, you should increase " "could not build optimal %s, you should increase "