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🐞 Open [994] 🐞 Fixed [3924] 🐞 Invalid [8506] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in ps2_do_sendbyte / ps2_handle_ack | 6 | 865d | 930d | 0/23 | auto-closed as invalid on 2020/06/09 05:57 | |||
upstream | KCSAN: data-race in ps2_do_sendbyte / ps2_handle_ack (3) | 194 | 2d19h | 614d | 0/23 | moderation: reported on 2020/12/07 11:53 |
================================================================== BUG: KCSAN: data-race in ps2_do_sendbyte / ps2_handle_ack write to 0xffff8881289cb040 of 8 bytes by interrupt on cpu 1: ps2_handle_ack+0x15a/0x350 drivers/input/serio/libps2.c:439 atkbd_interrupt+0xbf1/0xcd0 drivers/input/keyboard/atkbd.c:434 serio_interrupt+0x5d/0xe0 drivers/input/serio/serio.c:1002 i8042_interrupt+0x39e/0x720 drivers/input/serio/i8042.c:598 __handle_irq_event_percpu+0x16e/0x4f0 kernel/irq/handle.c:156 handle_irq_event_percpu kernel/irq/handle.c:196 [inline] handle_irq_event+0x94/0x140 kernel/irq/handle.c:213 handle_edge_irq+0x18e/0x5f0 kernel/irq/chip.c:830 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] handle_irq arch/x86/kernel/irq.c:230 [inline] __common_interrupt arch/x86/kernel/irq.c:249 [inline] common_interrupt+0xf6/0x1e0 arch/x86/kernel/irq.c:239 asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:576 is_atomic kernel/kcsan/core.c:229 [inline] should_watch kernel/kcsan/core.c:257 [inline] check_access kernel/kcsan/core.c:581 [inline] __tsan_read4+0x11a/0x180 kernel/kcsan/core.c:776 rcu_preempt_read_exit kernel/rcu/tree_plugin.h:359 [inline] __rcu_read_unlock+0x25/0x260 kernel/rcu/tree_plugin.h:392 rcu_read_unlock include/linux/rcupdate.h:687 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:411 [inline] batadv_nc_worker+0xea/0xa00 net/batman-adv/network-coding.c:718 process_one_work+0x3e1/0x9a0 kernel/workqueue.c:2269 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415 kthread+0x20d/0x230 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 read to 0xffff8881289cb040 of 8 bytes by task 4736 on cpu 0: ps2_do_sendbyte+0x1a1/0x380 drivers/input/serio/libps2.c:45 __ps2_command+0x30d/0x9f0 drivers/input/serio/libps2.c:273 ps2_command+0x50/0x90 drivers/input/serio/libps2.c:332 atkbd_set_repeat_rate drivers/input/keyboard/atkbd.c:595 [inline] atkbd_event_work+0x2b6/0x2f0 drivers/input/keyboard/atkbd.c:649 process_one_work+0x3e1/0x9a0 kernel/workqueue.c:2269 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415 kthread+0x20d/0x230 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 4736 Comm: kworker/0:3 Not tainted 5.8.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events atkbd_event_work ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2020/07/24 23:38 | upstream | 68845a55c31b | 0a13649c | .config | log | report | ||||
ci2-upstream-kcsan-gce | 2020/07/08 14:53 | upstream | dcde237b9b0e | 5962a2dc | .config | log | report | ||||
ci2-upstream-kcsan-gce | 2020/07/05 17:32 | upstream | 35e884f89df4 | 22f87567 | .config | log | report | ||||
ci2-upstream-kcsan-gce | 2020/07/05 11:24 | upstream | 35e884f89df4 | 24d7f505 | .config | log | report |