Changeset 2eadda9 in mainline for uspace/lib/c/generic/elf/elf_mod.c

Timestamp:

2018-07-11T17:45:30Z (7 years ago)

Author:

Jiří Zárevúcky <jiri.zarevucky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

99d3123

Parents:

c2c4127

git-author:

Jiří Zárevúcky <jiri.zarevucky@…> (2018-07-11 17:08:12)

git-committer:

Jiří Zárevúcky <jiri.zarevucky@…> (2018-07-11 17:45:30)

Message:

Remove undefined references to main program from shared libc.

File:

• uspace/lib/c/generic/elf/elf_mod.c (modified) (1 diff)

uspace/lib/c/generic/elf/elf_mod.c

@@ -356 +356 @@
                     (void *)((uint8_t *)entry->p_vaddr + elf->bias);
 
+                if (entry->p_filesz == 0) {
+                        DPRINTF("Zero-sized ELF interp string.\n");
+                        return EE_INVALID;
+                }
                 if (elf->info->interp[entry->p_filesz - 1] != '\0') {
                         DPRINTF("Unterminated ELF interp string.\n");