When reading the dyn data from the core file check if we got everything,
or just part of the data.
https://sourceware.org/bugzilla/show_bug.cgi?id=24103
Signed-off-by: Mark Wielaard <mark@klomp.org>
+2019-01-20 Mark Wielaard <mark@klomp.org>
+
+ * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
+ dyn_filesz vs dyn_data_size after read_portion call.
+
2019-01-16 Mark Wielaard <mark@klomp.org>
* linux-core-attach.c (core_next_thread): Pass desc to ebl_core_note.
if (dyn_filesz != 0 && dyn_filesz % dyn_entsize == 0
&& ! read_portion (&dyn_data, &dyn_data_size, dyn_vaddr, dyn_filesz))
{
+ /* dyn_data_size will be zero if we got everything from the initial
+ buffer, otherwise it will be the size of the new buffer that
+ could be read. */
+ if (dyn_data_size != 0)
+ dyn_filesz = dyn_data_size;
+
void *dyns = malloc (dyn_filesz);
Elf32_Dyn (*d32)[dyn_filesz / sizeof (Elf32_Dyn)] = dyns;
Elf64_Dyn (*d64)[dyn_filesz / sizeof (Elf64_Dyn)] = dyns;