Mercurial > hg > nginx
annotate auto/define @ 7048:80224192163c
Resolver: fixed possible use-after-free while resolving SRV.
Resolving an SRV record includes resolving its host names in subrequests.
Previously, if memory allocation failed while reporting a subrequest result
after receiving a response from a DNS server, the SRV resolve handler was
called immediately with the NGX_ERROR state. However, if the SRV record
included another copy of the resolved name, it was reported once again.
This could trigger the use-after-free memory access after SRV resolve
handler freed the resolve context by calling ngx_resolve_name_done().
Now the SRV resolve handler is called only when all its subrequests are
completed.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Tue, 04 Jul 2017 18:07:29 +0300 |
parents | d620f497c50f |
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rev | line source |
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1 |
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2 # Copyright (C) Igor Sysoev |
4412 | 3 # Copyright (C) Nginx, Inc. |
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5 |
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6 cat << END >> $NGX_AUTO_CONFIG_H |
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7 |
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8 #ifndef $have |
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9 #define $have $value |
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10 #endif |
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11 |
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12 END |