================================================================== BUG: KCSAN: data-race in evdev_pass_values / evdev_poll write to 0xffff8881045d6008 of 4 bytes by task 6955 on cpu 0: __pass_event drivers/input/evdev.c:239 [inline] evdev_pass_values+0x3ac/0x510 drivers/input/evdev.c:278 evdev_events+0x90/0xd0 drivers/input/evdev.c:306 input_pass_values+0x11a/0x390 drivers/input/input.c:126 input_event_dispose+0x232/0x300 drivers/input/input.c:341 input_handle_event+0xac4/0xb00 drivers/input/input.c:369 input_inject_event+0xd1/0x100 drivers/input/input.c:428 evdev_write+0x33f/0x440 drivers/input/evdev.c:528 vfs_write+0x281/0x920 fs/read_write.c:677 ksys_write+0xe8/0x1b0 fs/read_write.c:731 __do_sys_write fs/read_write.c:742 [inline] __se_sys_write fs/read_write.c:739 [inline] __x64_sys_write+0x42/0x50 fs/read_write.c:739 x64_sys_call+0x287e/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff8881045d6008 of 4 bytes by task 2983 on cpu 1: evdev_poll+0xde/0x120 drivers/input/evdev.c:621 vfs_poll include/linux/poll.h:84 [inline] select_poll_one fs/select.c:480 [inline] do_select+0x8d4/0xfc0 fs/select.c:536 core_sys_select+0x362/0x530 fs/select.c:677 do_pselect fs/select.c:759 [inline] __do_sys_pselect6 fs/select.c:802 [inline] __se_sys_pselect6+0x20d/0x270 fs/select.c:793 __x64_sys_pselect6+0x78/0x90 fs/select.c:793 x64_sys_call+0x2ac2/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:271 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x0000000e -> 0x00000010 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 2983 Comm: acpid Not tainted 6.13.0-rc3-syzkaller-00209-g499551201b5f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================