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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in n_tty_kick_worker / n_tty_receive_buf_common (2) | 4 | 531d | 553d | 0/24 | auto-closed as invalid on 2021/11/10 16:29 | |||
upstream | KCSAN: data-race in n_tty_kick_worker / n_tty_receive_buf_common (5) | 1 | 247d | 247d | 0/24 | auto-closed as invalid on 2022/08/21 08:44 | |||
upstream | KCSAN: data-race in n_tty_kick_worker / n_tty_receive_buf_common | 1 | 1140d | 1140d | 0/24 | auto-closed as invalid on 2020/04/15 15:43 | |||
upstream | KCSAN: data-race in n_tty_kick_worker / n_tty_receive_buf_common (3) | 4 | 400d | 450d | 0/24 | auto-closed as invalid on 2022/03/21 13:14 | |||
upstream | KCSAN: data-race in n_tty_kick_worker / n_tty_receive_buf_common (7) | 2 | 108d | 117d | 0/24 | auto-obsoleted due to no activity on 2023/01/17 00:23 | |||
upstream | KCSAN: data-race in n_tty_kick_worker / n_tty_receive_buf_common (6) | 1 | 171d | 171d | 0/24 | auto-obsoleted due to no activity on 2022/11/05 11:00 |
================================================================== BUG: KCSAN: data-race in n_tty_kick_worker / n_tty_receive_buf_common read to 0xffffc90001df105c of 1 bytes by task 2477 on cpu 0: n_tty_kick_worker+0x2d/0x160 drivers/tty/n_tty.c:204 n_tty_read+0x4b6/0x10b0 drivers/tty/n_tty.c:2056 iterate_tty_read drivers/tty/tty_io.c:858 [inline] tty_read+0x19d/0x420 drivers/tty/tty_io.c:933 call_read_iter include/linux/fs.h:2044 [inline] new_sync_read fs/read_write.c:401 [inline] vfs_read+0x5a5/0x6a0 fs/read_write.c:482 ksys_read+0xe8/0x1a0 fs/read_write.c:620 __do_sys_read fs/read_write.c:630 [inline] __se_sys_read fs/read_write.c:628 [inline] __x64_sys_read+0x3e/0x50 fs/read_write.c:628 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+0x44/0xae write to 0xffffc90001df105c of 1 bytes by task 1856 on cpu 1: n_tty_receive_buf_common+0x378/0x4c40 drivers/tty/n_tty.c:1635 n_tty_receive_buf2+0x2e/0x40 drivers/tty/n_tty.c:1680 tty_ldisc_receive_buf+0x5b/0xf0 drivers/tty/tty_buffer.c:451 tty_port_default_receive_buf+0x54/0x80 drivers/tty/tty_port.c:39 receive_buf drivers/tty/tty_buffer.c:471 [inline] flush_to_ldisc+0x1ca/0x2f0 drivers/tty/tty_buffer.c:521 process_one_work+0x3d3/0x720 kernel/workqueue.c:2289 process_scheduled_works kernel/workqueue.c:2352 [inline] worker_thread+0x7cf/0xa70 kernel/workqueue.c:2438 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 1856 Comm: kworker/u4:6 Not tainted 5.18.0-rc4-syzkaller-00064-g8f4dd16603ce-dirty #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 | 2022/04/28 01:55 | upstream | 8f4dd16603ce | 8a1f1f07 | .config | console log | report | info | KCSAN: data-race in n_tty_kick_worker / n_tty_receive_buf_common |