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| author | Dan Carpenter <dan.carpenter@linaro.org> | 2024-03-06 06:30:46 +0100 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-03-06 10:22:19 +0100 |
| commit | bd17b7c34fadef645becde1245b9394f69f31702 (patch) | |
| tree | 39f83088c8c14731d8adc6b7b399d8b5637fc66b /drivers/ras | |
| parent | RAS/AMD/FMPM: Add debugfs interface to print record entries (diff) | |
| download | linux-bd17b7c34fadef645becde1245b9394f69f31702.tar.xz linux-bd17b7c34fadef645becde1245b9394f69f31702.zip | |
RAS/AMD/FMPM: Fix off by one when unwinding on error
Decrement the index variable i before the first iteration when freeing
the remaining elements on error. Depending on where this fails it could
free something from one element beyond the end of the fru_records[]
array.
[ bp: Massage commit message. ]
Fixes: 6f15e617cc99 ("RAS: Introduce a FRU memory poison manager")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/6fdec71a-846b-4cd0-af69-e5f6cd12f4f6@moroto.mountain
Diffstat (limited to 'drivers/ras')
| -rw-r--r-- | drivers/ras/amd/fmpm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ras/amd/fmpm.c b/drivers/ras/amd/fmpm.c index 0963c9e7b853..2f4ac9591c8f 100644 --- a/drivers/ras/amd/fmpm.c +++ b/drivers/ras/amd/fmpm.c @@ -817,7 +817,7 @@ static int allocate_records(void) return ret; out_free: - for (; i >= 0; i--) + while (--i >= 0) kfree(fru_records[i]); kfree(fru_records); |