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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in __se_sys_io_uring_register / io_sqe_files_register io-uring | 6 | 1 | 940d | 940d | 0/29 | auto-obsoleted due to no activity on 2023/07/05 15:17 | |||
| upstream | KCSAN: data-race in __se_sys_io_uring_register / io_sqe_files_register (3) io-uring | 6 | 1 | 410d | 409d | 28/29 | fixed on 2025/05/06 15:33 |
================================================================== BUG: KCSAN: data-race in __se_sys_io_uring_register / io_sqe_files_register read-write to 0xffff8881085870a0 of 4 bytes by task 6449 on cpu 1: io_sqe_files_register+0x2bf/0x3b0 io_uring/rsrc.c:727 __io_uring_register io_uring/register.c:429 [inline] __do_sys_io_uring_register io_uring/register.c:600 [inline] __se_sys_io_uring_register+0x471/0x10e0 io_uring/register.c:561 __x64_sys_io_uring_register+0x55/0x60 io_uring/register.c:561 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 read to 0xffff8881085870a0 of 4 bytes by task 6450 on cpu 0: __do_sys_io_uring_register io_uring/register.c:602 [inline] __se_sys_io_uring_register+0x9f0/0x10e0 io_uring/register.c:561 __x64_sys_io_uring_register+0x55/0x60 io_uring/register.c:561 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: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 6450 Comm: syz-executor.3 Not tainted 6.8.0-rc4-syzkaller-00267-g0f1dd5e91e2b #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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/02/17 00:06 | upstream | 0f1dd5e91e2b | 578f7538 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __se_sys_io_uring_register / io_sqe_files_register |