Hi Aaron,
On Tue, 2025-02-04 at 16:50 -0500, Aaron Merey wrote:
> * libdw/dwarf_offdie.c (__libdw_offdie): Use dwarf_lock.
>
> Signed-off-by: Aaron Merey <ame...@redhat.com>
> ---
> v2 changes: Lock only for the duration of __libdw_findcu.
__libdw_findcu already has internal locking.
Isn't that enough?
> libdw/dwarf_offdie.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/libdw/dwarf_offdie.c b/libdw/dwarf_offdie.c
> index 883720de..a9729947 100644
> --- a/libdw/dwarf_offdie.c
> +++ b/libdw/dwarf_offdie.c
> @@ -58,7 +59,10 @@ __libdw_offdie (Dwarf *dbg, Dwarf_Off offset, Dwarf_Die
> *result,
> result->addr = (char *) data->d_buf + offset;
>
> /* Get the CU. */
> + mutex_lock (dbg->dwarf_lock);
> result->cu = __libdw_findcu (dbg, offset, debug_types);
> + mutex_unlock (dbg->dwarf_lock);
> +
> if (result->cu == NULL)
> {
> /* This should never happen. The input file is malformed. */
Or if it is needed here, should it also be added in other places where
__libdw_findcu is called? dwarf_cu_dwp_section_info,
dwarf_die_addr_die, dwarf_get_units, dwarf_getaranges, ...
Cheers,
Mark
