SymbX/systemd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

do not accept "garbage" from acpi firmware performance data (FPDT)

Browse Source 
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...|
This commit is contained in:
Kay Sievers
2013-10-10 01:38:11 +02:00
parent 8552b17660
commit 6c7980093c
1 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/shared/acpi-fpdt.c
+5
View File
@@ -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)