diff options
Diffstat (limited to 'core/systemd/0001-do-not-accept-garbage-from-acpi-firmware-performance.patch')
| -rw-r--r-- | core/systemd/0001-do-not-accept-garbage-from-acpi-firmware-performance.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/core/systemd/0001-do-not-accept-garbage-from-acpi-firmware-performance.patch b/core/systemd/0001-do-not-accept-garbage-from-acpi-firmware-performance.patch new file mode 100644 index 000000000..d0533c84c --- /dev/null +++ b/core/systemd/0001-do-not-accept-garbage-from-acpi-firmware-performance.patch @@ -0,0 +1,33 @@ +From 6c7980093c4e39d07bf06484f96f489e236c7c29 Mon Sep 17 00:00:00 2001 +From: Kay Sievers <kay@vrfy.org> +Date: Thu, 10 Oct 2013 01:38:11 +0200 +Subject: [PATCH] do not accept "garbage" from acpi firmware performance data + (FPDT) + +00000000 46 42 50 54 38 00 00 00 02 00 30 02 00 00 00 00 |FBPT8.....0.....| +00000010 23 45 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |#E..............| +00000020 f5 6a 51 00 00 00 00 00 00 00 00 00 00 00 00 00 |.jQ.............| +00000030 00 00 00 00 00 00 00 00 70 74 61 6c 58 00 00 00 |........ptalX...| +--- + src/shared/acpi-fpdt.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/src/shared/acpi-fpdt.c b/src/shared/acpi-fpdt.c +index af58c7c..75648b4 100644 +--- a/src/shared/acpi-fpdt.c ++++ b/src/shared/acpi-fpdt.c +@@ -146,6 +146,11 @@ int acpi_get_boot_usec(usec_t *loader_start, usec_t *loader_exit) { + if (brec.type != ACPI_FPDT_BOOT_REC) + return -EINVAL; + ++ if (brec.startup_start == 0 || brec.exit_services_exit < brec.startup_start) ++ return -EINVAL; ++ if (brec.exit_services_exit > NSEC_PER_HOUR) ++ return -EINVAL; ++ + if (loader_start) + *loader_start = brec.startup_start / 1000; + if (loader_exit) +-- +1.8.5.4 + |