================================================================== BUG: KCSAN: data-race in padata_find_next / padata_reorder write to 0xffff888121710564 of 4 bytes by task 7859 on cpu 1: padata_find_next+0x1d0/0x250 kernel/padata.c:206 padata_reorder+0x18f/0x280 kernel/padata.c:235 padata_do_serial+0x171/0x1a0 kernel/padata.c:347 pcrypt_aead_enc+0x49/0x70 crypto/pcrypt.c:87 padata_parallel_worker+0x1af/0x220 kernel/padata.c:83 process_one_work+0x424/0x930 kernel/workqueue.c:2264 worker_thread+0x9a/0x7e0 kernel/workqueue.c:2410 kthread+0x1cb/0x1f0 kernel/kthread.c:255 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 read to 0xffff888121710564 of 4 bytes by task 21 on cpu 0: padata_reorder+0x1c9/0x280 kernel/padata.c:267 padata_do_serial+0x171/0x1a0 kernel/padata.c:347 pcrypt_aead_enc+0x49/0x70 crypto/pcrypt.c:87 padata_parallel_worker+0x1af/0x220 kernel/padata.c:83 process_one_work+0x424/0x930 kernel/workqueue.c:2264 process_scheduled_works+0x4b/0xa0 kernel/workqueue.c:2326 worker_thread+0x4e7/0x7e0 kernel/workqueue.c:2412 kthread+0x1cb/0x1f0 kernel/kthread.c:255 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: pencrypt_parallel padata_parallel_worker ==================================================================