Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in commit_echoes / echo_char serial | 1 | 1603d | 1603d | 0/26 | closed as invalid on 2019/11/19 14:04 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in commit_echoes / echo_char serial | 1 | 1603d | 1603d | 0/26 | closed as invalid on 2019/11/19 14:04 |
================================================================== BUG: KCSAN: data-race in commit_echoes / echo_char write to 0xffffc90003a85018 of 8 bytes by task 17035 on cpu 0: add_echo_byte drivers/tty/n_tty.c:845 [inline] echo_char+0x148/0x1b0 drivers/tty/n_tty.c:948 n_tty_receive_char_fast drivers/tty/n_tty.c:1448 [inline] n_tty_receive_buf_fast drivers/tty/n_tty.c:1609 [inline] __receive_buf drivers/tty/n_tty.c:1644 [inline] n_tty_receive_buf_common+0x16d4/0x1a40 drivers/tty/n_tty.c:1742 n_tty_receive_buf+0x36/0x50 drivers/tty/n_tty.c:1771 tiocsti drivers/tty/tty_io.c:2196 [inline] tty_ioctl+0xaf4/0xd80 drivers/tty/tty_io.c:2572 vfs_ioctl fs/ioctl.c:47 [inline] ksys_ioctl+0x101/0x150 fs/ioctl.c:763 __do_sys_ioctl fs/ioctl.c:772 [inline] __se_sys_ioctl fs/ioctl.c:770 [inline] __x64_sys_ioctl+0x47/0x60 fs/ioctl.c:770 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffffc90003a85018 of 8 bytes by task 3498 on cpu 1: commit_echoes+0x51/0x160 drivers/tty/n_tty.c:779 n_tty_receive_char_fast drivers/tty/n_tty.c:1449 [inline] n_tty_receive_buf_fast drivers/tty/n_tty.c:1609 [inline] __receive_buf drivers/tty/n_tty.c:1644 [inline] n_tty_receive_buf_common+0x16dc/0x1a40 drivers/tty/n_tty.c:1742 n_tty_receive_buf2+0x39/0x50 drivers/tty/n_tty.c:1777 tty_ldisc_receive_buf+0x69/0xe0 drivers/tty/tty_buffer.c:461 tty_port_default_receive_buf+0x82/0xd0 drivers/tty/tty_port.c:38 receive_buf drivers/tty/tty_buffer.c:481 [inline] flush_to_ldisc+0x1dd/0x260 drivers/tty/tty_buffer.c:533 process_one_work+0x424/0x930 kernel/workqueue.c:2268 worker_thread+0x9a/0x7e0 kernel/workqueue.c:2414 kthread+0x203/0x230 kernel/kthread.c:268 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 3498 Comm: kworker/u4:4 Not tainted 5.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound flush_to_ldisc ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/06/17 19:17 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | b6c46f43 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/04/17 10:41 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 18397578 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/03/07 12:09 | https://github.com/google/ktsan.git kcsan | 941e0d917bbf | 2e9971bb | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/12 13:53 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 31290a45 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/06 20:01 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 53430d97 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/12 20:18 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 08003f64 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/12 06:14 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | d973f528 | .config | console log | report | ci2-upstream-kcsan-gce |