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🐞 Open [1163] 🐞 Fixed [4320] 🐞 Invalid [9662] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __stop_tty / pty_write | 1 | 569d | 569d | 0/24 | auto-closed as invalid on 2021/08/19 13:20 | |||
upstream | KCSAN: data-race in __stop_tty / pty_write (6) | 1 | 262d | 262d | 0/24 | auto-closed as invalid on 2022/06/22 11:40 | |||
upstream | KCSAN: data-race in __stop_tty / pty_write (4) | 1 | 359d | 359d | 0/24 | auto-closed as invalid on 2022/03/17 12:14 | |||
upstream | KCSAN: data-race in __stop_tty / pty_write (3) | 1 | 446d | 446d | 0/24 | auto-closed as invalid on 2021/12/20 07:00 | |||
upstream | KCSAN: data-race in __stop_tty / pty_write (5) | 1 | 315d | 315d | 0/24 | auto-closed as invalid on 2022/04/30 10:57 | |||
upstream | KCSAN: data-race in __stop_tty / pty_write (7) | 1 | 121d | 121d | 0/24 | auto-obsoleted due to no activity on 2022/11/10 14:49 |
================================================================== BUG: KCSAN: data-race in __stop_tty / pty_write write to 0xffff88813a9b91bc of 1 bytes by task 11949 on cpu 1: __stop_tty+0x3e/0x80 drivers/tty/tty_io.c:768 n_tty_ioctl_helper+0x333/0x4c0 drivers/tty/tty_ioctl.c:876 n_tty_ioctl+0x102/0x200 drivers/tty/n_tty.c:2421 tty_ioctl+0xaf9/0x11a0 drivers/tty/tty_io.c:2814 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:860 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88813a9b91bc of 1 bytes by task 57 on cpu 0: pty_write+0x38/0x120 drivers/tty/pty.c:116 tty_put_char+0x7f/0xa0 drivers/tty/tty_io.c:3174 __process_echoes+0x3ad/0x660 drivers/tty/n_tty.c:725 flush_echoes drivers/tty/n_tty.c:826 [inline] __receive_buf drivers/tty/n_tty.c:1579 [inline] n_tty_receive_buf_common+0x4c38/0x4e70 drivers/tty/n_tty.c:1674 n_tty_receive_buf2+0x2e/0x40 drivers/tty/n_tty.c:1709 tty_ldisc_receive_buf+0x5b/0xf0 drivers/tty/tty_buffer.c:471 tty_port_default_receive_buf+0x54/0x80 drivers/tty/tty_port.c:39 receive_buf drivers/tty/tty_buffer.c:491 [inline] flush_to_ldisc+0x1c5/0x2c0 drivers/tty/tty_buffer.c:543 process_one_work+0x402/0x910 kernel/workqueue.c:2297 worker_thread+0x636/0xae0 kernel/workqueue.c:2444 kthread+0x262/0x280 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.15.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound flush_to_ldisc ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2021/10/05 19:55 | upstream | f6274b06e326 | 8a6b1a8d | .config | console log | report | info | KCSAN: data-race in __stop_tty / pty_write |