Mercurial > hg > nginx-quic
annotate auto/types/value @ 7422:2dad54c2b8ed stable-1.14
Mp4: fixed possible pointer overflow on 32-bit platforms.
On 32-bit platforms mp4->buffer_pos might overflow when a large
enough (close to 4 gigabytes) atom is being skipped, resulting in
incorrect memory addesses being read further in the code. In most
cases this results in harmless errors being logged, though may also
result in a segmentation fault if hitting unmapped pages.
To address this, ngx_mp4_atom_next() now only increments mp4->buffer_pos
up to mp4->buffer_end. This ensures that overflow cannot happen.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Wed, 21 Nov 2018 20:23:16 +0300 |
parents | d620f497c50f |
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1 |
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2 # Copyright (C) Igor Sysoev |
4412 | 3 # Copyright (C) Nginx, Inc. |
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6 cat << END >> $NGX_AUTO_CONFIG_H |
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8 #ifndef $ngx_param |
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9 #define $ngx_param $ngx_value |
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10 #endif |
473 | 11 |
12 END |