libdrgn: dwarf_info: fix crash after DW_CFA_restore_state

I botched DW_CFA_restore_state when converting to the new vector API. Fixes: d1a6350 ("libdrgn: revamp generic vector API") Reported-by: Serapheim Dimitropoulos <[email protected]> Signed-off-by: Omar Sandoval <[email protected]>
osandov · Aug 18, 2023 · a657c84 · a657c84
1 parent 3bd0c37
commit a657c84
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/libdrgn/dwarf_info.c b/libdrgn/dwarf_info.c
@@ -7087,8 +7087,7 @@ drgn_eval_dwarf_cfi(struct drgn_elf_file *file, enum drgn_section_index scn,
 				goto out;
 			}
 			drgn_cfi_row_destroy(*row);
-			drgn_cfi_row_vector_pop(&state_stack);
-			*row = *drgn_cfi_row_vector_last(&state_stack);
+			*row = *drgn_cfi_row_vector_pop(&state_stack);
 			break;
 		case DW_CFA_nop:
 			break;