================================================================== BUG: KCSAN: data-race in evdev_pass_values / evdev_read write to 0xffff8881032ed008 of 4 bytes by task 10583 on cpu 0: __pass_event drivers/input/evdev.c:239 [inline] evdev_pass_values+0x3a8/0x510 drivers/input/evdev.c:278 evdev_events+0x90/0xd0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:129 [inline] input_pass_values+0x305/0x770 drivers/input/input.c:161 input_event_dispose+0x243/0x310 drivers/input/input.c:378 input_handle_event+0xac0/0xaf0 drivers/input/input.c:406 input_inject_event+0xd1/0xf0 drivers/input/input.c:465 evdev_write+0x332/0x410 drivers/input/evdev.c:530 vfs_write+0x27a/0x7d0 fs/read_write.c:582 ksys_write+0xeb/0x1a0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x42/0x50 fs/read_write.c:646 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 0xffff8881032ed008 of 4 bytes by task 2751 on cpu 1: evdev_read+0x1c9/0x780 drivers/input/evdev.c:574 vfs_read+0x19f/0x5c0 fs/read_write.c:468 ksys_read+0xeb/0x1a0 fs/read_write.c:613 __do_sys_read fs/read_write.c:623 [inline] __se_sys_read fs/read_write.c:621 [inline] __x64_sys_read+0x42/0x50 fs/read_write.c:621 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: 0x00000006 -> 0x0000000a Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 2751 Comm: acpid Not tainted 6.5.0-rc1-syzkaller-00006-g3f01e9fed845 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in evdev_pass_values / evdev_poll write to 0xffff8881032ed008 of 4 bytes by task 10651 on cpu 0: __pass_event drivers/input/evdev.c:239 [inline] evdev_pass_values+0x3a8/0x510 drivers/input/evdev.c:278 evdev_events+0x90/0xd0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:129 [inline] input_pass_values+0x305/0x770 drivers/input/input.c:161 input_event_dispose+0x243/0x310 drivers/input/input.c:378 input_handle_event+0xac0/0xaf0 drivers/input/input.c:406 input_inject_event+0xd1/0xf0 drivers/input/input.c:465 evdev_write+0x332/0x410 drivers/input/evdev.c:530 vfs_write+0x27a/0x7d0 fs/read_write.c:582 ksys_write+0xeb/0x1a0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x42/0x50 fs/read_write.c:646 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 0xffff8881032ed008 of 4 bytes by task 2751 on cpu 1: evdev_poll+0xe1/0x110 drivers/input/evdev.c:623 vfs_poll include/linux/poll.h:88 [inline] do_select+0x954/0xf90 fs/select.c:538 core_sys_select+0x361/0x520 fs/select.c:681 do_pselect fs/select.c:763 [inline] __do_sys_pselect6 fs/select.c:804 [inline] __se_sys_pselect6+0x213/0x280 fs/select.c:795 __x64_sys_pselect6+0x78/0x90 fs/select.c:795 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: 0x00000016 -> 0x00000018 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 2751 Comm: acpid Not tainted 6.5.0-rc1-syzkaller-00006-g3f01e9fed845 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 ==================================================================