On Mon, Jun 17, 2024 at 05:02:12PM -0300, Arnaldo Carvalho de Melo wrote: > Can you try with the one liner below? We remove it from the cus list > unconditionally, and since we alloc space with zalloc/calloc in > cu__new() and missed initializing that list_head (cu->node) we ended up > hitting list_del with a zeroed 'struct list_head' :-\ > > I'll try and get this cast_common.ko checked into a test repo for pahole > so that this gets regression tested. > > Please test this patch so that we see if this is the only problem and > your kernel build with clang completes successfully. Thanks, I rebuilt pahole with the following diff and both my build and the other configuration I tested for this regression successfully complete. Tested-by: Nathan Chancellor <nathan@xxxxxxxxxx> > diff --git a/dwarves.c b/dwarves.c > index 1ec259f50dbd3778..823a01524a12bb37 100644 > --- a/dwarves.c > +++ b/dwarves.c > @@ -739,6 +739,7 @@ struct cu *cu__new(const char *name, uint8_t addr_size, > cu->dfops = NULL; > INIT_LIST_HEAD(&cu->tags); > INIT_LIST_HEAD(&cu->tool_list); > + INIT_LIST_HEAD(&cu->node); > > cu->addr_size = addr_size; > cu->extra_dbg_info = 0;