KCSAN: data-race in padata_reorder / padata

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	KCSAN: data-race in padata_reorder / padata_reorder (3) crypto	6				1	2006d	1974d	0/29	auto-closed as invalid on 2020/12/21 11:57
upstream	KCSAN: data-race in padata_reorder / padata_reorder crypto	6				26	2101d	2140d	0/29	auto-closed as invalid on 2020/09/06 13:08

================================================================== BUG: KCSAN: data-race in padata_reorder / padata_reorder write to 0xffff8881075611a4 of 4 bytes by task 2926 on cpu 0: padata_find_next kernel/padata.c:279 [inline] padata_reorder+0x1e0/0x480 kernel/padata.c:308 padata_do_serial+0x1a8/0x200 kernel/padata.c:419 pcrypt_aead_enc+0x46/0x50 crypto/pcrypt.c:87 padata_parallel_worker+0x37/0xd0 kernel/padata.c:157 process_one_work+0x3e1/0x9a0 kernel/workqueue.c:2269 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415 kthread+0x20d/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 read to 0xffff8881075611a4 of 4 bytes by task 23413 on cpu 1: padata_reorder+0x390/0x480 kernel/padata.c:340 padata_do_serial+0x1a8/0x200 kernel/padata.c:419 pcrypt_aead_enc+0x46/0x50 crypto/pcrypt.c:87 padata_parallel_worker+0x37/0xd0 kernel/padata.c:157 process_one_work+0x3e1/0x9a0 kernel/workqueue.c:2269 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415 kthread+0x20d/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 23413 Comm: kworker/u4:8 Not tainted 5.9.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: pencrypt_parallel padata_parallel_worker ==================================================================