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===================================================== BUG: KMSAN: uninit-value in __list_del_entry_valid+0x403/0x410 lib/list_debug.c:54 __list_del_entry_valid+0x403/0x410 lib/list_debug.c:54 __list_del_entry include/linux/list.h:132 [inline] list_del_init include/linux/list.h:204 [inline] swake_up_locked+0xc7/0x2f0 kernel/sched/swait.c:31 complete+0xcf/0x150 kernel/sched/completion.c:36 wq_barrier_func+0x3b/0x50 kernel/workqueue.c:2630 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2276 process_scheduled_works kernel/workqueue.c:2338 [inline] worker_thread+0x18bc/0x2340 kernel/workqueue.c:2427 kthread+0x521/0x560 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----ue.sroa.0.i.i@enqueue_task_fair created at: _task_util_est kernel/sched/fair.c:3954 [inline] util_est_enqueue kernel/sched/fair.c:3988 [inline] enqueue_task_fair+0x133/0x2e00 kernel/sched/fair.c:5582 enqueue_task kernel/sched/core.c:1609 [inline] activate_task+0x1ae/0x4f0 kernel/sched/core.c:1628 ===================================================== Kernel panic - not syncing: panic_on_kmsan set ... CPU: 0 PID: 8446 Comm: kworker/0:3 Tainted: G B 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: mm_percpu_wq wq_barrier_func Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 panic+0x4c6/0xea7 kernel/panic.c:231 kmsan_report+0x2fa/0x300 mm/kmsan/report.c:179 __msan_warning+0xd7/0x150 mm/kmsan/instrumentation.c:205 __list_del_entry_valid+0x403/0x410 lib/list_debug.c:54 __list_del_entry include/linux/list.h:132 [inline] list_del_init include/linux/list.h:204 [inline] swake_up_locked+0xc7/0x2f0 kernel/sched/swait.c:31 complete+0xcf/0x150 kernel/sched/completion.c:36 wq_barrier_func+0x3b/0x50 kernel/workqueue.c:2630 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2276 process_scheduled_works kernel/workqueue.c:2338 [inline] worker_thread+0x18bc/0x2340 kernel/workqueue.c:2427 kthread+0x521/0x560 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Kernel Offset: disabled Rebooting in 86400 seconds..
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/08/23 11:41 | https://github.com/google/kmsan.git master | 40b1d724c752 | b599f2fc | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in swake_up_locked | |||
2021/08/13 15:36 | https://github.com/google/kmsan.git master | 40b1d724c752 | 3fd2ea69 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in swake_up_locked |