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🐞 Open [1162] ≡ Subsystems 🐞 Fixed [4413] 🐞 Invalid [9933] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in get_cpu_idle_time_us / tick_nohz_idle_enter (5) | 2 | 336d | 362d | 0/24 | auto-closed as invalid on 2022/06/02 15:56 | |||
upstream | KCSAN: data-race in get_cpu_idle_time_us / tick_nohz_idle_enter | 10 | 1037d | 1160d | 0/24 | closed as invalid on 2020/06/18 14:24 | |||
upstream | KCSAN: data-race in get_cpu_idle_time_us / tick_nohz_idle_enter (3) | 10 | 891d | 947d | 0/24 | auto-closed as invalid on 2020/11/24 16:04 | |||
upstream | KCSAN: data-race in get_cpu_idle_time_us / tick_nohz_idle_enter (7) | 6 | 109d | 125d | 0/24 | auto-obsoleted due to no activity on 2023/01/17 06:15 | |||
upstream | KCSAN: data-race in get_cpu_idle_time_us / tick_nohz_idle_enter (4) | 14 | 422d | 522d | 0/24 | auto-closed as invalid on 2022/03/09 00:14 | |||
upstream | KCSAN: data-race in get_cpu_idle_time_us / tick_nohz_idle_enter (2) | 2 | 999d | 1012d | 0/24 | auto-closed as invalid on 2020/08/09 00:56 |
================================================================== BUG: KCSAN: data-race in get_cpu_idle_time_us / tick_nohz_idle_enter read-write to 0xffff888237d1e07c of 1 bytes by task 0 on cpu 1: tick_nohz_idle_enter+0x6c/0xc0 kernel/time/tick-sched.c:1159 do_idle+0x3d/0x250 kernel/sched/idle.c:277 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:400 start_secondary+0x78/0x80 arch/x86/kernel/smpboot.c:266 secondary_startup_64_no_verify+0xcf/0xdb read to 0xffff888237d1e07c of 1 bytes by task 12510 on cpu 0: get_cpu_idle_time_us+0x68/0x1d0 get_idle_time fs/proc/stat.c:54 [inline] show_stat+0x97e/0xe60 fs/proc/stat.c:175 seq_read_iter+0x2c3/0x8e0 fs/seq_file.c:230 proc_reg_read_iter+0xd4/0x170 fs/proc/inode.c:296 call_read_iter include/linux/fs.h:2052 [inline] io_iter_do_read fs/io_uring.c:4249 [inline] io_read fs/io_uring.c:4369 [inline] io_issue_sqe+0x23a3/0xaac0 fs/io_uring.c:8337 io_queue_sqe fs/io_uring.c:8721 [inline] io_submit_sqe+0x2e20/0x3f50 fs/io_uring.c:8985 io_submit_sqes+0x27b/0x500 fs/io_uring.c:9096 __do_sys_io_uring_enter fs/io_uring.c:12043 [inline] __se_sys_io_uring_enter+0x24b/0xd60 fs/io_uring.c:11969 __x64_sys_io_uring_enter+0x74/0x80 fs/io_uring.c:11969 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+0x63/0xcd value changed: 0x00 -> 0x05 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 12510 Comm: syz-executor.2 Not tainted 5.19.0-rc6-syzkaller-00418-g972a278fe60c-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2022/07/17 13:02 | upstream | 972a278fe60c | 95cb00d1 | .config | console log | report | info | KCSAN: data-race in get_cpu_idle_time_us / tick_nohz_idle_enter |