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[Bug 3047] New: bad internal_store_malloc request (2147483632 bytes) from function_store_get 66
https://bugs.exim.org/show_bug.cgi?id=3047

Bug ID: 3047
Summary: bad internal_store_malloc request (2147483632 bytes)
from function_store_get 66
Product: Exim
Version: 4.97
Hardware: x86-64
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: ACLs
Assignee: jgh146exb@wizmail.org
Reporter: a.piesk@mailbox.org
CC: exim-dev@lists.exim.org

exim throws "bad internal_store_malloc request (2147483632 bytes) from
function_store_get 66" when processing a message with an attachment of approx.
5M.

I tracked it down to this mime ACL with a regex:

acl_smtp_mime = A_check_mime

A_check_mime:
warn
regex = ^.{8000}
message = MIME error: Line length in message or single header
exceeds 8000.
log_message = DENY: MIME Error (Maximum line length exceeded)

same issue has been reported here:

https://groups.google.com/g/linux.debian.bugs.dist/c/swCeNl2rO50

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