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Ran 03 Jul 2023 03:47PM UTC

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Committed 03 Jul 2023 03:04PM UTC coverage: 53.233% (-0.001%) from 53.234%

Job # 5446117148.3

Build Type

push

github

Committed by

drakenclimber

Commit Message

tools/cgclassify: fix controller overflow array range

Fix out-of-bounds write issue, reported by Coverity tool:

CID 321270 (#1 of 1): Out-of-bounds write (OVERRUN)47. overrun-local:
Overrunning array info of 16 4128-byte elements at element index 16
(byte offset 70175) using index i (which evaluates to 16).

MAX_MNT_ELEMENTS is an array that's allocated for array parsing and
populating the mount points, as per Linux Kernel, this can't be above
16 and it works fine while checking for index < MAX_MNT_ELEMENTS, but
in this case, we rely on the mount point name to be empty ('\0'), since
allowed maximum mount points are 16, increase the allocation index to
17 for the info structure, to accommodate 16 controllers, but that is
unlikely.

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>

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