================================================================== BUG: KCSAN: data-race in af_alg_sendmsg / af_alg_wait_for_data write to 0xffff88809ae306c8 of 8 bytes by task 11829 on cpu 0: af_alg_sendmsg+0xa46/0xc60 crypto/af_alg.c:928 aead_sendmsg+0x7c/0x90 crypto/algif_aead.c:71 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] ____sys_sendmsg+0x360/0x4d0 net/socket.c:2352 ___sys_sendmsg net/socket.c:2406 [inline] __sys_sendmsg+0x1df/0x260 net/socket.c:2439 __do_sys_sendmsg net/socket.c:2448 [inline] __se_sys_sendmsg net/socket.c:2446 [inline] __x64_sys_sendmsg+0x42/0x50 net/socket.c:2446 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88809ae306c8 of 8 bytes by task 11819 on cpu 1: af_alg_wait_for_data+0x133/0x270 crypto/af_alg.c:757 _aead_recvmsg crypto/algif_aead.c:110 [inline] aead_recvmsg+0x271/0xd00 crypto/algif_aead.c:330 ____sys_recvmsg+0x15a/0x2e0 include/linux/uio.h:235 ___sys_recvmsg net/socket.c:2617 [inline] __sys_recvmsg+0x1ce/0x3b0 net/socket.c:2651 __do_sys_recvmsg net/socket.c:2661 [inline] __se_sys_recvmsg net/socket.c:2658 [inline] __x64_sys_recvmsg+0x42/0x50 net/socket.c:2658 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 11819 Comm: syz-executor.2 Not tainted 5.8.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================