https://sourceware.org/bugzilla/show_bug.cgi?id=29117
Bug ID: 29117
Summary: debuginfod client leaking fd's for cache misses
Product: elfutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: debuginfod
Assignee: unassigned at sourceware dot org
Reporter: fche at redhat dot com
CC: elfutils-devel at sourceware dot org
Target Milestone: ---
There appears to be an fd leak in the debuginfod client cache-miss code path.
This can exhaust fd resources over time, which is bad for a long-lived client
such as debuginfod itself. Trying to reproduce the trigger operation sequence.
But the end result is the client holding onto file descriptors like
debuginfo 10215 debuginfod 81r REG 8,0 0 927302
/var/cache/debuginfod/.debuginfod_client_cache/3b47e7f26e7ed1dda18165fb20cb56769affdd19/debuginfo
(deleted)
... while the files actually exist, despite the (deleted) tag; maybe they were
recreated later:
[root@elastic ~]# ls -ald
/var/cache/debuginfod/.debuginfod_client_cache/3b47e7f26e7ed1dda18165fb20cb56769affdd19/debuginfo
-rw-r--r-- 1 debuginfod debuginfod 0 May 3 23:40
/var/cache/debuginfod/.debuginfod_client_cache/3b47e7f26e7ed1dda18165fb20cb56769affdd19/debuginfo
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