Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in n_tty_receive_signal_char / n_tty_write serial | 1 | 586d | 586d | 0/28 | auto-obsoleted due to no activity on 2023/06/05 17:25 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in n_tty_receive_signal_char / n_tty_write serial | 1 | 586d | 586d | 0/28 | auto-obsoleted due to no activity on 2023/06/05 17:25 |
================================================================== BUG: KCSAN: data-race in n_tty_receive_signal_char / n_tty_write write to 0xffffc9000a547028 of 8 bytes by task 2422 on cpu 1: commit_echoes drivers/tty/n_tty.c:758 [inline] n_tty_receive_signal_char+0x2eb/0x3e0 drivers/tty/n_tty.c:1213 n_tty_receive_buf_standard+0x6b6/0x2e20 drivers/tty/n_tty.c:1604 __receive_buf drivers/tty/n_tty.c:1630 [inline] n_tty_receive_buf_common+0x7e5/0xbc0 drivers/tty/n_tty.c:1729 n_tty_receive_buf2+0x33/0x40 drivers/tty/n_tty.c:1775 tty_ldisc_receive_buf+0x60/0xe0 drivers/tty/tty_buffer.c:386 tty_port_default_receive_buf+0x59/0x90 drivers/tty/tty_port.c:37 receive_buf drivers/tty/tty_buffer.c:444 [inline] flush_to_ldisc+0x1ca/0x400 drivers/tty/tty_buffer.c:494 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x5b8/0xa40 kernel/workqueue.c:2706 worker_thread+0x525/0x730 kernel/workqueue.c:2787 kthread+0x1d7/0x210 kernel/kthread.c:388 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 read to 0xffffc9000a547028 of 8 bytes by task 13735 on cpu 0: process_echoes drivers/tty/n_tty.c:784 [inline] n_tty_write+0x161/0xb60 drivers/tty/n_tty.c:2365 iterate_tty_write drivers/tty/tty_io.c:1021 [inline] file_tty_write+0x382/0x680 drivers/tty/tty_io.c:1096 tty_write+0x28/0x30 drivers/tty/tty_io.c:1117 do_iter_readv_writev+0x2b0/0x330 vfs_writev+0x2e9/0x860 fs/read_write.c:971 do_writev+0xf8/0x220 fs/read_write.c:1018 __do_sys_writev fs/read_write.c:1091 [inline] __se_sys_writev fs/read_write.c:1088 [inline] __x64_sys_writev+0x45/0x50 fs/read_write.c:1088 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x0000000000000000 -> 0x000000000000003d Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 13735 Comm: syz-executor.1 Not tainted 6.8.0-rc4-syzkaller-00034-g8d3dea210042 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/02/15 17:12 | upstream | 8d3dea210042 | fd39cf6f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in n_tty_receive_signal_char / n_tty_write |