mirror of
https://github.com/freebsd/freebsd-src
synced 2024-09-06 09:10:28 +00:00
uefisign: handle empty sections
loader.efi has an empty set_Xfic section. Handle it correctly. ``` Sections: Idx Name Size VMA LMA File off Algn [...] 3 set_Xcom 00000168 00000000000d4000 00000000000d4000 000d0e00 2**2 CONTENTS, ALLOC, LOAD, DATA 4 set_Xfic 00000000 00000000000d4168 00000000000d4168 00000000 2**2 ALLOC, LOAD, DATA 5 .sdata 00000448 00000000000d5000 00000000000d5000 000d1000 2**2 CONTENTS, ALLOC, LOAD, DATA [...] ``` Reviewed by: trasz, dab Reported by: andy.y.liu@dell.com Tested by: andy.y.liu@dell.com MFC after: 1 week Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D29606
This commit is contained in:
parent
066a576c5f
commit
12db51d208
|
@ -244,7 +244,8 @@ parse_section_table(struct executable *x, off_t off, int number_of_sections)
|
|||
x->x_nsections = number_of_sections;
|
||||
|
||||
for (i = 0; i < number_of_sections; i++) {
|
||||
if (psh->psh_pointer_to_raw_data < x->x_headers_len)
|
||||
if (psh->psh_size_of_raw_data > 0 &&
|
||||
psh->psh_pointer_to_raw_data < x->x_headers_len)
|
||||
errx(1, "section points inside the headers");
|
||||
|
||||
range_check(x, psh->psh_pointer_to_raw_data,
|
||||
|
|
Loading…
Reference in a new issue