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kern/54737: modstat(8) reports misleading data for module size
>Number: 54737
>Category: kern
>Synopsis: modstat(8) reports misleading data for module size
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Wed Dec 04 23:10:00 +0000 2019
>Originator: Paul Goyette
>Release: NetBSD 9.99.18
>Organization:
+--------------------+--------------------------+-----------------------+
| Paul Goyette | PGP Key fingerprint: | E-mail addresses: |
| (Retired) | FA29 0E3B 35AF E8AE 6651 | paul%whooppee.com@localhost |
| Software Developer | 0786 F758 55DE 53BA 7731 | pgoyette%netbsd.org@localhost |
+--------------------+--------------------------+-----------------------+
>Environment:
System: NetBSD speedy.whooppee.com 9.99.18 NetBSD 9.99.18 (SPEEDY 2019-11-30 14:42:39 UTC) #0: Sat Nov 30 16:43:09 UTC 2019 paul%speedy.whooppee.com@localhost:/build/netbsd-local/obj/amd64/sys/arch/amd64/compile/SPEEDY amd64
Architecture: x86_64
Machine: amd64
>Description:
The value displayed by modstat(8) (returned from kernel via
modctl(2) syscall) for a module's size is a bit misleading, as it
includes only the size of the .text segment.
>How-To-Repeat:
Try to modload the pciverbose module. On my system (amd64),
modstat will show a size of only 218 bytes, even though the
module contains more that 128,000 bytes of data!
>Fix:
>Unformatted:
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