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| author | Joel Stanley <joel@jms.id.au> | 2019-04-08 12:35:00 +0930 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2019-04-08 12:35:05 +0930 |
| commit | 0b37f9a0bd24d9622f75d981feac67e72351b6e8 (patch) | |
| tree | d40154b713e136a2d9dfb3fcb1903dd730bd234f /drivers/firmware/efi/cper.c | |
| parent | df66fbc97853fbba90a0bfa44de32f3d5f7602b4 (diff) | |
| parent | 8b298d3a0bd5feeb47129c4889356b38b78ab231 (diff) | |
| download | talos-obmc-linux-0b37f9a0bd24d9622f75d981feac67e72351b6e8.tar.gz talos-obmc-linux-0b37f9a0bd24d9622f75d981feac67e72351b6e8.zip | |
Merge tag 'v5.0.7' into dev-5.0
This is the 5.0.7 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/firmware/efi/cper.c')
| -rw-r--r-- | drivers/firmware/efi/cper.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c index a7902fccdcfa..6090d25dce85 100644 --- a/drivers/firmware/efi/cper.c +++ b/drivers/firmware/efi/cper.c @@ -546,19 +546,24 @@ EXPORT_SYMBOL_GPL(cper_estatus_check_header); int cper_estatus_check(const struct acpi_hest_generic_status *estatus) { struct acpi_hest_generic_data *gdata; - unsigned int data_len, gedata_len; + unsigned int data_len, record_size; int rc; rc = cper_estatus_check_header(estatus); if (rc) return rc; + data_len = estatus->data_length; apei_estatus_for_each_section(estatus, gdata) { - gedata_len = acpi_hest_get_error_length(gdata); - if (gedata_len > data_len - acpi_hest_get_size(gdata)) + if (sizeof(struct acpi_hest_generic_data) > data_len) + return -EINVAL; + + record_size = acpi_hest_get_record_size(gdata); + if (record_size > data_len) return -EINVAL; - data_len -= acpi_hest_get_record_size(gdata); + + data_len -= record_size; } if (data_len) return -EINVAL; |
