================================================================== BUG: KCSAN: data-race in aio_read_events / iocb_put write to 0xffff888122f7100c of 4 bytes by task 29121 on cpu 0: aio_complete fs/aio.c:1153 [inline] iocb_put+0x15a/0x510 fs/aio.c:1186 io_submit_one+0xb47/0x1250 fs/aio.c:2004 __do_sys_io_submit fs/aio.c:2060 [inline] __se_sys_io_submit+0xf5/0x280 fs/aio.c:2030 __x64_sys_io_submit+0x43/0x50 fs/aio.c:2030 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff888122f7100c of 4 bytes by task 29120 on cpu 1: aio_read_events_ring fs/aio.c:1215 [inline] aio_read_events+0x8d/0x3b0 fs/aio.c:1275 read_events fs/aio.c:1312 [inline] do_io_getevents+0x238/0x3c0 fs/aio.c:2179 __do_sys_io_getevents fs/aio.c:2212 [inline] __se_sys_io_getevents fs/aio.c:2200 [inline] __x64_sys_io_getevents+0xca/0x190 fs/aio.c:2200 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 29120 Comm: syz-executor.4 Not tainted 6.6.0-rc1-syzkaller-00196-g57d88e8a5974 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 ==================================================================