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| ID | Workflow | Result | Correct | Bug | Created | Started | Finished | Revision | Error |
|---|---|---|---|---|---|---|---|---|---|
| 61794981-83f2-46b0-9740-db1e58ec2c9e | assessment-kcsan | Benign: ✅ Confident: ✅ | ❓ | KCSAN: data-race in n_tty_poll / tty_set_termios (10) | 2026/03/28 10:00 | 2026/03/28 10:00 | 2026/03/28 10:25 | 356bdfc961dd4d1eeb96ca7d9071058dc92d2dde |
================================================================== BUG: KCSAN: data-race in n_tty_poll / tty_set_termios write to 0xffff8881194b2908 of 44 bytes by task 11799 on cpu 1: tty_set_termios+0xc0/0x910 drivers/tty/tty_ioctl.c:335 set_termios+0x4a7/0x4f0 drivers/tty/tty_ioctl.c:512 tty_mode_ioctl+0x37f/0x5b0 drivers/tty/tty_ioctl.c:-1 n_tty_ioctl_helper+0x87/0x370 drivers/tty/tty_ioctl.c:982 n_tty_ioctl+0x101/0x230 drivers/tty/n_tty.c:2496 tty_ioctl+0x83e/0xb80 drivers/tty/tty_io.c:2801 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xce/0x140 fs/ioctl.c:583 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:583 x64_sys_call+0x1563/0x3020 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x12c/0x370 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff8881194b2914 of 4 bytes by task 11796 on cpu 0: input_available_p drivers/tty/n_tty.c:1912 [inline] n_tty_poll+0x12e/0x450 drivers/tty/n_tty.c:2440 tty_poll+0x79/0xf0 drivers/tty/tty_io.c:2199 vfs_poll include/linux/poll.h:82 [inline] __io_arm_poll_handler+0x1ec/0xc30 io_uring/poll.c:586 io_arm_apoll+0x2eb/0x430 io_uring/poll.c:694 io_arm_poll_handler+0x12f/0x160 io_uring/poll.c:723 io_queue_async+0x25d/0x320 io_uring/io_uring.c:1615 io_queue_sqe io_uring/io_uring.c:1641 [inline] io_submit_sqe io_uring/io_uring.c:1920 [inline] io_submit_sqes+0xbe2/0x1230 io_uring/io_uring.c:2043 __do_sys_io_uring_enter io_uring/io_uring.c:2604 [inline] __se_sys_io_uring_enter+0x1c9/0xf50 io_uring/io_uring.c:2539 __x64_sys_io_uring_enter+0x78/0x90 io_uring/io_uring.c:2539 x64_sys_call+0x1e16/0x3020 arch/x86/include/generated/asm/syscalls_64.h:427 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x12c/0x370 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00008a3b -> 0x00000008 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 11796 Comm: syz.8.1039 Tainted: G W syzkaller #0 PREEMPT(full) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/03/28 10:00 | upstream | 7df48e363130 | 356bdfc9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in n_tty_poll / tty_set_termios |