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================================================================== BUG: KCSAN: data-race in evdev_pass_values / evdev_poll write to 0xffff888103bc6808 of 4 bytes by task 7901 on cpu 1: __pass_event drivers/input/evdev.c:239 [inline] evdev_pass_values+0x3b7/0x510 drivers/input/evdev.c:278 evdev_events+0x91/0xd0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:127 [inline] input_pass_values+0x37a/0x8f0 drivers/input/input.c:159 input_event_dispose+0x243/0x310 drivers/input/input.c:374 input_handle_event+0x6a3/0xa70 drivers/input/input.c:402 input_inject_event+0xbc/0xe0 drivers/input/input.c:461 evdev_write+0x326/0x400 drivers/input/evdev.c:530 vfs_write+0x25c/0x760 fs/read_write.c:576 ksys_write+0xe8/0x1a0 fs/read_write.c:631 __do_sys_write fs/read_write.c:643 [inline] __se_sys_write fs/read_write.c:640 [inline] __x64_sys_write+0x3e/0x50 fs/read_write.c:640 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff888103bc6808 of 4 bytes by task 1421 on cpu 0: evdev_poll+0xdd/0x110 drivers/input/evdev.c:623 vfs_poll include/linux/poll.h:88 [inline] do_select+0x951/0x1020 fs/select.c:538 core_sys_select+0x368/0x520 fs/select.c:681 do_pselect fs/select.c:763 [inline] __do_sys_pselect6+0x1f4/0x250 fs/select.c:804 __se_sys_pselect6 fs/select.c:795 [inline] __x64_sys_pselect6+0x74/0x80 fs/select.c:795 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00000023 -> 0x00000025 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 1421 Comm: acpid Not tainted 6.0.0-rc3-syzkaller-00007-gdcf8e5633e2e-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/08/30 21:45 | upstream | dcf8e5633e2e | 4a380809 | .config | console log | report | info | [disk image] [vmlinux] | ci2-upstream-kcsan-gce | KCSAN: data-race in evdev_pass_values / evdev_poll | ||
2022/08/28 15:50 | upstream | 10d4879f9ef0 | 07177916 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in evdev_pass_values / evdev_poll |