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Posted to bugs@httpd.apache.org by bu...@apache.org on 2016/11/08 14:22:07 UTC
[Bug 60353] New: Uploading a large file causes mod_fcgid to overuse
memory and eventually crash
https://bz.apache.org/bugzilla/show_bug.cgi?id=60353
Bug ID: 60353
Summary: Uploading a large file causes mod_fcgid to overuse
memory and eventually crash
Product: Apache httpd-2
Version: 2.5-HEAD
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: mod_fcgid
Assignee: bugs@httpd.apache.org
Reporter: ozgilat@gmail.com
Target Milestone: ---
Created attachment 34428
--> https://bz.apache.org/bugzilla/attachment.cgi?id=34428&action=edit
upload script
Hi,
When i'm uploading a large file (~270 MB) using the attached script
(upload.php), mod_fcgid tries to send it to the PHP process and causes a crash
in httpd.exe.
The proc_write_ipc function gets the apr_bucket_brigade list and sends the
buckets one by one to the PHP process and is using a lot of memory until a
point where 'malloc' returns NULL (through allocator_alloc ) and httpd
immediately crashes.
I've attached a suggestion for a patch to this function where the httpd is
using significantly less memory and the crash is gone. It basically frees each
apr_bucket after it is sent to the php process.
thanks!
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[Bug 60353] Uploading a large file causes mod_fcgid to overuse
memory and eventually crash
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=60353
Joe Orton <jo...@redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |DUPLICATE
Status|NEW |RESOLVED
--- Comment #2 from Joe Orton <jo...@redhat.com> ---
*** This bug has been marked as a duplicate of bug 51747 ***
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[Bug 60353] Uploading a large file causes mod_fcgid to overuse
memory and eventually crash
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=60353
Oz Gilat <oz...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #34429|0 |1
is patch| |
Attachment #34429|application/octet-stream |text/plain
mime type| |
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[Bug 60353] Uploading a large file causes mod_fcgid to overuse
memory and eventually crash
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=60353
--- Comment #1 from Oz Gilat <oz...@gmail.com> ---
Created attachment 34429
--> https://bz.apache.org/bugzilla/attachment.cgi?id=34429&action=edit
proposed patch
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