Control: tags -1 + fixed-upstream On Fri, Feb 21, 2025 at 09:43:34PM +0000, Martin Kelly wrote: > On Fri, 2025-02-21 at 21:03 +0100, Salvatore Bonaccorso wrote: > > > > > > > > Essentially this has to do with ftrace and weak functions. > > > > As I understand this is still an issue in 6.12.15-1. > > > > That's correct; 6.12.15 should still be impacted, as long as > CONFIG_X86_KERNEL_IBT is set. CONFIG_X86_KERNEL_IBT changes the > function prologue in a way that causes this issue when combined with an > certain fentry bug. > > I confirmed this issue is fixed with this patch series: > https://lore.kernel.org/bpf/20250218195918.255228...@goodmis.org/ > Since that fixes the underlying fentry bug. > > I would guess that series will merge into 6.15, but we'll have to see.
AFAICS, this has been merged for 6.15-rc1 with https://git.kernel.org/linus/dd161f74f8198c62f9bcf893f72c64bbb0d68b25 Not sure they will be backported down to 6.12.y. Regards, Salvatore
