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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:14:31 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:14:31 +0000 |
| commit | e97aca3557601e6e343dcf391aa876321f48ac39 (patch) | |
| tree | e7db4542359bc8b48518df7fe28fd09c7543eea1 /drivers/firmware/dmi_scan.c | |
| parent | Releasing progress-linux version 6.9.8-1~progress7.99u1. (diff) | |
| download | linux-e97aca3557601e6e343dcf391aa876321f48ac39.tar.xz linux-e97aca3557601e6e343dcf391aa876321f48ac39.zip | |
Merging upstream version 6.9.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/firmware/dmi_scan.c')
| -rw-r--r-- | drivers/firmware/dmi_scan.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 015c95a825..ac2a5d2d47 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -102,6 +102,17 @@ static void dmi_decode_table(u8 *buf, const struct dmi_header *dm = (const struct dmi_header *)data; /* + * If a short entry is found (less than 4 bytes), not only it + * is invalid, but we cannot reliably locate the next entry. + */ + if (dm->length < sizeof(struct dmi_header)) { + pr_warn(FW_BUG + "Corrupted DMI table, offset %zd (only %d entries processed)\n", + data - buf, i); + break; + } + + /* * We want to know the total length (formatted area and * strings) before decoding to make sure we won't run off the * table in dmi_decode or dmi_string |