================================================================== BUG: KCSAN: data-race in cpuidle_not_available / cpuidle_pause write to 0xffffffff83cc06ec of 1 bytes by task 5760 on cpu 1: cpuidle_uninstall_idle_handler drivers/cpuidle/cpuidle.c:441 [inline] cpuidle_pause+0x42/0x70 drivers/cpuidle/cpuidle.c:478 dpm_suspend_noirq+0xe/0x80 drivers/base/power/main.c:1342 suspend_enter+0x144/0x8f0 kernel/power/suspend.c:408 suspend_devices_and_enter+0x1cb/0x500 kernel/power/suspend.c:505 enter_state+0x274/0x530 kernel/power/suspend.c:586 pm_suspend+0x4b/0x130 kernel/power/suspend.c:613 state_store+0x1f2/0x210 kernel/power/main.c:658 kobj_attr_store+0x40/0x60 lib/kobject.c:856 sysfs_kf_write+0xa6/0xc0 fs/sysfs/file.c:139 kernfs_fop_write_iter+0x1d3/0x2d0 fs/kernfs/file.c:296 call_write_iter include/linux/fs.h:2114 [inline] do_iter_readv_writev+0x2cb/0x360 fs/read_write.c:740 do_iter_write+0x112/0x4c0 fs/read_write.c:866 vfs_iter_write+0x4c/0x70 fs/read_write.c:907 iter_file_splice_write+0x40a/0x750 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x80/0xa0 fs/splice.c:936 splice_direct_to_actor+0x345/0x650 fs/splice.c:891 do_splice_direct+0xf5/0x170 fs/splice.c:979 do_sendfile+0x773/0xda0 fs/read_write.c:1260 __do_sys_sendfile64 fs/read_write.c:1319 [inline] __se_sys_sendfile64 fs/read_write.c:1311 [inline] __x64_sys_sendfile64+0xa9/0x130 fs/read_write.c:1311 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffffffff83cc06ec of 1 bytes by task 0 on cpu 0: cpuidle_not_available+0x41/0x90 drivers/cpuidle/cpuidle.c:52 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0xce/0x240 kernel/sched/idle.c:306 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:403 rest_init+0xc9/0xd0 init/main.c:721 arch_call_rest_init+0xa/0xb start_kernel+0x59e/0x623 init/main.c:1087 secondary_startup_64_no_verify+0xb0/0xbb Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== kvm-clock: cpu 1, msr 4506041, secondary cpu clock kvm-clock: cpu 1, msr 4506041, secondary cpu clock kvm-clock: cpu 1, msr 4506041, secondary cpu clock kvm-clock: cpu 1, msr 4506041, secondary cpu clock kvm-clock: cpu 1, msr 4506041, secondary cpu clock