Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked kernel | 1 | 822d | 822d | 0/26 | auto-closed as invalid on 2022/03/09 08:01 |
syzbot |
sign-in | mailing list | source | docs |
🐞 Open [1027] ≡ Subsystems 🐞 Fixed [5251] 🐞 Invalid [12568] ⬇ Missing Backports [85] 📈 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 __cgroup_account_cputime_field / cgroup_rstat_flush_locked kernel | 1 | 822d | 822d | 0/26 | auto-closed as invalid on 2022/03/09 08:01 |
================================================================== BUG: KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked read-write to 0xffffe8ffffd75e08 of 8 bytes by interrupt on cpu 1: __cgroup_account_cputime_field+0x98/0x100 cgroup_account_cputime_field include/linux/cgroup.h:737 [inline] task_group_account_field kernel/sched/cputime.c:113 [inline] account_user_time+0x7e/0x90 kernel/sched/cputime.c:132 update_process_times+0x22/0x110 kernel/time/timer.c:2069 tick_sched_handle kernel/time/tick-sched.c:243 [inline] tick_sched_timer+0x244/0x2c0 kernel/time/tick-sched.c:1481 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x217/0x700 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x20d/0x7b0 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline] __sysvec_apic_timer_interrupt+0x73/0x210 arch/x86/kernel/apic/apic.c:1112 sysvec_apic_timer_interrupt+0x31/0x80 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 read to 0xffffe8ffffd75e08 of 8 bytes by task 17360 on cpu 0: cgroup_base_stat_flush kernel/cgroup/rstat.c:373 [inline] cgroup_rstat_flush_locked+0x2d2/0x700 kernel/cgroup/rstat.c:199 cgroup_rstat_flush+0x2b/0x40 kernel/cgroup/rstat.c:239 do_flush_stats mm/memcontrol.c:658 [inline] mem_cgroup_flush_stats+0x9f/0xd0 mm/memcontrol.c:672 prepare_scan_count mm/vmscan.c:2915 [inline] shrink_node+0x2fa/0x1500 mm/vmscan.c:6500 shrink_zones mm/vmscan.c:6737 [inline] do_try_to_free_pages+0x40d/0xc80 mm/vmscan.c:6799 try_to_free_mem_cgroup_pages+0x1e2/0x480 mm/vmscan.c:7114 reclaim_high+0xca/0x110 mm/memcontrol.c:2432 mem_cgroup_handle_over_high+0x8c/0x1a0 mm/memcontrol.c:2617 resume_user_mode_work include/linux/resume_user_mode.h:58 [inline] exit_to_user_mode_loop+0x9b/0xe0 kernel/entry/common.c:171 exit_to_user_mode_prepare+0x6c/0xb0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x000000018d74cd57 -> 0x000000018e0d63d7 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 17360 Comm: syz-executor.2 Tainted: G W 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/06/14 11:10 | upstream | b6dad5178cea | d2ee9228 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/06/12 06:04 | upstream | 4c605260bc60 | 49519f06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/06/10 07:37 | upstream | 64569520920a | 9018a337 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/06/08 19:34 | upstream | 5f63595ebd82 | 058b3a5a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/06/04 11:44 | upstream | e5282a7d8f6b | a4ae4f42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/05/23 09:03 | upstream | 421ca22e3138 | 4bce1a3e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/05/07 12:02 | upstream | fc4354c6e5c2 | 90c93c40 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/05/02 00:37 | upstream | c8c655c34e33 | 62df2017 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/05/01 03:48 | upstream | 58390c8ce1bd | 62df2017 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/04/22 02:19 | upstream | 8e41e0a57566 | 2b32bd34 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/04/15 10:00 | upstream | 7a934f4bd7d6 | ec410564 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/04/13 15:14 | upstream | de4664485abb | 3cfcaa1b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/04/06 19:32 | upstream | f2afccfefe7b | 08707520 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/03/30 01:01 | upstream | ffe78bbd5121 | f325deb0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/03/21 06:27 | upstream | 7d31677bb7b1 | 7939252e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked | ||
2023/03/14 02:13 | upstream | fc89d7fb499b | 026e2200 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __cgroup_account_cputime_field / cgroup_rstat_flush_locked |