Object Debug results in the following warning while attempting to load
ifs firmware:
[ 220.007422] ODEBUG: object 000000003bf952db is on stack 00000000e843994b, but NOT annotated.
[ 220.007459] ------------[ cut here ]------------
[ 220.007461] WARNING: CPU: 0 PID: 11774 at lib/debugobjects.c:548 __debug_object_init.cold+0x22e/0x2d5
[ 220.137476] RIP: 0010:__debug_object_init.cold+0x22e/0x2d5
[ 220.254774] Call Trace:
[ 220.257641] <TASK>
[ 220.265606] scan_chunks_sanity_check+0x368/0x5f0 [intel_ifs]
[ 220.288292] ifs_load_firmware+0x2a3/0x400 [intel_ifs]
[ 220.332793] current_batch_store+0xea/0x160 [intel_ifs]
[ 220.357947] kernfs_fop_write_iter+0x355/0x530
[ 220.363048] new_sync_write+0x28e/0x4a0
[ 220.381226] vfs_write+0x62a/0x920
[ 220.385160] ksys_write+0xf9/0x1d0
[ 220.399421] do_syscall_64+0x59/0x90
[ 220.440635] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 220.566845] ---[ end trace 3a01b299db142b41 ]---
Correct this by calling INIT_WORK_ONSTACK instead of INIT_WORK.
Fixes: 684ec215706d ("platform/x86/intel/ifs: Authenticate and copy to secured memory")
Signed-off-by: David Arcari <darcari@xxxxxxxxxx>
Cc: Jithu Joseph <jithu.joseph@xxxxxxxxx>
Cc: Ashok Raj <ashok.raj@xxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
Cc: Mark Gross <markgross@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx
---
drivers/platform/x86/intel/ifs/load.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/platform/x86/intel/ifs/load.c b/drivers/platform/x86/intel/ifs/load.c
index 61dffb4c8a1d..e6ae8265f3a3 100644
--- a/drivers/platform/x86/intel/ifs/load.c
+++ b/drivers/platform/x86/intel/ifs/load.c
@@ -208,7 +208,7 @@ static int scan_chunks_sanity_check(struct device *dev)
continue;
reinit_completion(&ifs_done);
local_work.dev = dev;
- INIT_WORK(&local_work.w, copy_hashes_authenticate_chunks);
+ INIT_WORK_ONSTACK(&local_work.w, copy_hashes_authenticate_chunks);
schedule_work_on(cpu, &local_work.w);
wait_for_completion(&ifs_done);
if (ifsd->loading_error) {
--
2.27.0
