Mercurial > hg > nginx
view conf/koi-utf @ 9112:d59277dd3d8c
QUIC: fixed post-close use-after-free.
Previously, ngx_quic_close_connection() could be called in a way that QUIC
connection was accessed after the call. In most cases the connection is not
closed right away, but close timeout is scheduled. However, it's not always
the case. Also, if the close process started earlier for a different reason,
calling ngx_quic_close_connection() may actually close the connection. The
connection object should not be accessed after that.
Now, when possible, return statement is added to eliminate post-close connection
object access. In other places ngx_quic_close_connection() is substituted with
posting close event.
Also, the new way of closing connection in ngx_quic_stream_cleanup_handler()
fixes another problem in this function. Previously it passed stream connection
instead of QUIC connection to ngx_quic_close_connection(). This could result
in incomplete connection shutdown. One consequence of that could be that QUIC
streams were freed without shutting down their application contexts. This could
result in another use-after-free.
Found by Coverity (CID 1530402).
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Mon, 22 May 2023 15:59:42 +0400 |
parents | 63a820b0bc6c |
children |
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# This map is not a full koi8-r <> utf8 map: it does not contain # box-drawing and some other characters. Besides this map contains # several koi8-u and Byelorussian letters which are not in koi8-r. # If you need a full and standard map, use contrib/unicode2nginx/koi-utf # map instead. charset_map koi8-r utf-8 { 80 E282AC ; # euro 95 E280A2 ; # bullet 9A C2A0 ; # 9E C2B7 ; # · A3 D191 ; # small yo A4 D194 ; # small Ukrainian ye A6 D196 ; # small Ukrainian i A7 D197 ; # small Ukrainian yi AD D291 ; # small Ukrainian soft g AE D19E ; # small Byelorussian short u B0 C2B0 ; # ° B3 D081 ; # capital YO B4 D084 ; # capital Ukrainian YE B6 D086 ; # capital Ukrainian I B7 D087 ; # capital Ukrainian YI B9 E28496 ; # numero sign BD D290 ; # capital Ukrainian soft G BE D18E ; # capital Byelorussian short U BF C2A9 ; # (C) C0 D18E ; # small yu C1 D0B0 ; # small a C2 D0B1 ; # small b C3 D186 ; # small ts C4 D0B4 ; # small d C5 D0B5 ; # small ye C6 D184 ; # small f C7 D0B3 ; # small g C8 D185 ; # small kh C9 D0B8 ; # small i CA D0B9 ; # small j CB D0BA ; # small k CC D0BB ; # small l CD D0BC ; # small m CE D0BD ; # small n CF D0BE ; # small o D0 D0BF ; # small p D1 D18F ; # small ya D2 D180 ; # small r D3 D181 ; # small s D4 D182 ; # small t D5 D183 ; # small u D6 D0B6 ; # small zh D7 D0B2 ; # small v D8 D18C ; # small soft sign D9 D18B ; # small y DA D0B7 ; # small z DB D188 ; # small sh DC D18D ; # small e DD D189 ; # small shch DE D187 ; # small ch DF D18A ; # small hard sign E0 D0AE ; # capital YU E1 D090 ; # capital A E2 D091 ; # capital B E3 D0A6 ; # capital TS E4 D094 ; # capital D E5 D095 ; # capital YE E6 D0A4 ; # capital F E7 D093 ; # capital G E8 D0A5 ; # capital KH E9 D098 ; # capital I EA D099 ; # capital J EB D09A ; # capital K EC D09B ; # capital L ED D09C ; # capital M EE D09D ; # capital N EF D09E ; # capital O F0 D09F ; # capital P F1 D0AF ; # capital YA F2 D0A0 ; # capital R F3 D0A1 ; # capital S F4 D0A2 ; # capital T F5 D0A3 ; # capital U F6 D096 ; # capital ZH F7 D092 ; # capital V F8 D0AC ; # capital soft sign F9 D0AB ; # capital Y FA D097 ; # capital Z FB D0A8 ; # capital SH FC D0AD ; # capital E FD D0A9 ; # capital SHCH FE D0A7 ; # capital CH FF D0AA ; # capital hard sign }