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| author | Mark Wielaard <[email protected]> | 2025-04-30 00:22:59 +0200 |
|---|---|---|
| committer | Mark Wielaard <[email protected]> | 2025-04-30 00:22:59 +0200 |
| commit | 50586ba4a99c06674962fe3bdd685088ab6808e1 (patch) | |
| tree | b8869125f1470e43e20bedcd63e526d45221a059 | |
| parent | 56e7a862d82e646bae79706343afa5f7800e2be1 (diff) | |
unstrip: Check symtab and strtab sections have data before use.
* src/unstrip.c (copy_elided_sections): Check elf_getdata result
for symtab and strtab sections.
Suggested-by: Anton Moryakov <[email protected]>
Signed-off-by: Mark Wielaard <[email protected]>
| -rw-r--r-- | src/unstrip.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/unstrip.c b/src/unstrip.c index d70053de..0ae76f77 100644 --- a/src/unstrip.c +++ b/src/unstrip.c @@ -1946,7 +1946,13 @@ more sections in stripped file than debug file -- arguments reversed?")); /* Now we are ready to write the new symbol table. */ symdata = elf_getdata (unstripped_symtab, NULL); + if (symdata == NULL) + error_exit (0, "Failed to get data from symbol table: %s", + elf_errmsg (-1)); symstrdata = elf_getdata (unstripped_strtab, NULL); + if (symstrdata == NULL) + error_exit (0, "Failed to get data from symbol string table: %s", + elf_errmsg (-1)); Elf_Data *shndxdata = NULL; /* XXX */ /* If symtab and the section header table share the string table |