================================================================== BUG: KCSAN: data-race in evdev_pass_values / evdev_poll write to 0xffff888103bbc808 of 4 bytes by task 14351 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 0xffff888103bbc808 of 4 bytes by task 2768 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: 0x00000036 -> 0x0000003c Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 2768 Comm: acpid Tainted: G W 6.5.0-syzkaller-10885-g0468be89b3fa #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in evdev_pass_values / evdev_read write to 0xffff888103bbc808 of 4 bytes by task 14509 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 0xffff888103bbc808 of 4 bytes by task 2768 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: 0x00000028 -> 0x0000002e Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 2768 Comm: acpid Tainted: G W 6.5.0-syzkaller-10885-g0468be89b3fa #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 ================================================================== ================================================================== BUG: KCSAN: data-race in do_select / pollwake write to 0xffffc90000633a50 of 4 bytes by task 14645 on cpu 0: __pollwake fs/select.c:198 [inline] pollwake+0xbe/0x110 fs/select.c:218 __wake_up_common+0xb3/0x130 kernel/sched/wait.c:107 __wake_up_common_lock kernel/sched/wait.c:138 [inline] __wake_up+0x7e/0xc0 kernel/sched/wait.c:160 evdev_pass_values+0x4fc/0x510 drivers/input/evdev.c:284 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 0xffffc90000633a50 of 4 bytes by task 2768 on cpu 1: poll_schedule_timeout fs/select.c:243 [inline] do_select+0xea9/0xf90 fs/select.c:607 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: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 2768 Comm: acpid Tainted: G W 6.5.0-syzkaller-10885-g0468be89b3fa #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 ==================================================================