[jira] [Updated] (TS-1169) in enable-debug and pristine_host_hdr=0 mode, TS will crash when purge a cached object which is after TSCacheUrlSet

["Leif Hedstrom (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-1169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leif Hedstrom updated TS-1169:
------------------------------

    Fix Version/s: 3.1.4
    
> in enable-debug and pristine_host_hdr=0 mode, TS will crash when purge a cached object which is after TSCacheUrlSet
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: TS-1169
>                 URL: https://issues.apache.org/jira/browse/TS-1169
>             Project: Traffic Server
>          Issue Type: Bug
>    Affects Versions: 3.1.3, 3.0.4
>         Environment: configure --enable-debug
>            Reporter: Conan Wang
>             Fix For: 3.1.4
>
>
> {code}
> #6  0x0000000100d269af in _ink_assert (a=0x1003c6be0 "md5a == md5b || t_state.txn_conf->maintain_pristine_host_hdr", f=0x1003c514e "HttpSM.cc", l=3921) at ink_assert.cc:44
> #7  0x0000000100123e59 in HttpSM::do_cache_delete_all_alts (this=0x109d41190, cont=0x0) at HttpSM.cc:3921
> {code}
> in HttpSM::do_cache_delete_all_alts debug code, if a object key is rewritten by TSCacheUrlSet, md5a will not equal md5b, and it will crash because maintain_pristine_host_hdr = 0 ( when disable pristine_host_hdr ).
> Anyway, the cached object is purged successfully. Maybe it's just a wrong assert which didn't consider TSCacheUrlSet case.
> {code}
> #ifdef DEBUG
>   INK_MD5 md5a;
>   INK_MD5 md5b;
>   t_state.hdr_info.client_request.url_get()->MD5_get(&md5a);
>   t_state.cache_info.lookup_url->MD5_get(&md5b);
>   ink_assert(md5a == md5b || t_state.txn_conf->maintain_pristine_host_hdr);
> #endif
> {code}

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