MSan complains: Uninitialized value was created by an allocation of 'reglocs' in the stack frame #0 0x562d35c686f0 in handle_core_note elfutils/src/readelf.c:12674:3 #const Ebl_Register_Location *reglocs; ==1006199==WARNING: MemorySanitizer: use-of-uninitialized-value #0 0x562d35c68a2a in handle_core_note elfutils/src/readelf.c:12692:11 #colno = handle_core_registers (ebl, ebl->elf, desc + regs_offset, # reglocs, nregloc);
Strictly speaking, this is not a problem, because nregloc == 0, but for other note types we initialize it anyway, so do it here as well. Signed-off-by: Ilya Leoshkevich <i...@linux.ibm.com> --- backends/linux-core-note.c | 1 + 1 file changed, 1 insertion(+) diff --git a/backends/linux-core-note.c b/backends/linux-core-note.c index 9faae4c3..238ec16d 100644 --- a/backends/linux-core-note.c +++ b/backends/linux-core-note.c @@ -239,6 +239,7 @@ EBLHOOK(core_note) (const GElf_Nhdr *nhdr, const char *name, return 0; *regs_offset = 0; *nregloc = 0; + *reglocs = NULL; *nitems = 1; *items = vmcoreinfo_items; return 1; -- 2.39.1