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syzkaller触发WARNING in armv8pmu_read_counter
Done
#I88WX3
Bug
杨基鸿
Opened this issue
2023-10-18 10:04
**【标题描述】能够简要描述问题:说明什么场景下,做了什么操作,出现什么问题(尽量使用正向表达方式)** **一、缺陷信息** **内核信息:** **缺陷归属组件:** **缺陷归属的版本:** **缺陷简述:** **【环境信息】** 硬件信息 - 裸机场景请提供问题的硬件信息 - 虚拟机场景请提供虚拟机的XML文件或配置信息 软件信息 - OS版本及分支信息 - 内核信息 - 发现问题的组件版本信息 网络信息 - 如果有特殊组网,请提供网络拓扑信息 **【问题复现步骤】**,请描述具体的操作步骤 **【实际结果】**,请描述出问题的结果和影响 **【其他相关附件信息】** 比如系统message日志/组件日志、dump信息、图片等 block nbd2: shutting down sockets ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6690 at arch/arm64/kernel/perf_event.c:599 armv8pmu_event_is_chained arch/arm64/kernel/perf_event.c:599 [inline] WARNING: CPU: 0 PID: 6690 at arch/arm64/kernel/perf_event.c:599 armv8pmu_read_hw_counter arch/arm64/kernel/perf_event.c:738 [inline] WARNING: CPU: 0 PID: 6690 at arch/arm64/kernel/perf_event.c:599 armv8pmu_read_counter+0x280/0x3b8 arch/arm64/kernel/perf_event.c:756 Modules linked in: CPU: 0 PID: 6690 Comm: syz-executor.3 Not tainted 4.19.90+ #1 Hardware name: linux,dummy-virt (DT) pstate: 80400005 (Nzcv daif +PAN -UAO) pc : armv8pmu_event_is_chained arch/arm64/kernel/perf_event.c:599 [inline] pc : armv8pmu_read_hw_counter arch/arm64/kernel/perf_event.c:738 [inline] pc : armv8pmu_read_counter+0x280/0x3b8 arch/arm64/kernel/perf_event.c:756 lr : armv8pmu_event_is_chained arch/arm64/kernel/perf_event.c:599 [inline] lr : armv8pmu_read_hw_counter arch/arm64/kernel/perf_event.c:738 [inline] lr : armv8pmu_read_counter+0x280/0x3b8 arch/arm64/kernel/perf_event.c:756 sp : ffff8000d9bb6da0 x29: ffff8000d9bb6da0 x28: ffff8000c313f240 x27: 00000000ffffffff x26: ffff10001a9b1adb x25: 1ffff00018627e48 x24: 0000000000000000 x23: ffff20000e677000 x22: 0000000000000008 x21: 00000000ffffffff x20: 00000000806c9bdc x19: ffff8000d4d8d500 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 1ffff0001acc4671 x13: 0000000000000000 x12: 1ffff0001acc4642 x11: 1fffe40001b85ab6 x10: ffff040001b85ab6 x9 : dfff200000000000 x8 : 2d2d2d2d5d206572 x7 : 656820747563205b x6 : ffff20000dc2d5b3 x5 : 00000000f2f2f200 x4 : 00000000f3f3f3f3 x3 : ffff200008000000 x2 : 403a6c299baf9400 x1 : 0000000000000000 x0 : 0000000000000024 Call trace: armv8pmu_event_is_chained arch/arm64/kernel/perf_event.c:599 [inline] armv8pmu_read_hw_counter arch/arm64/kernel/perf_event.c:738 [inline] armv8pmu_read_counter+0x280/0x3b8 arch/arm64/kernel/perf_event.c:756 armpmu_event_update+0xc4/0x158 drivers/perf/arm_pmu.c:254 armpmu_read+0x24/0x30 drivers/perf/arm_pmu.c:271 perf_output_read_group kernel/events/core.c:6237 [inline] perf_output_read+0x9d8/0x1140 kernel/events/core.c:6276 perf_output_sample+0x10b8/0x1838 kernel/events/core.c:6318 __perf_event_output kernel/events/core.c:6643 [inline] perf_event_output_forward+0xd0/0x120 kernel/events/core.c:6656 __perf_event_overflow+0xfc/0x298 kernel/events/core.c:7929 perf_swevent_overflow+0x88/0xf8 kernel/events/core.c:8005 perf_swevent_event+0xe0/0x258 kernel/events/core.c:8033 do_perf_sw_event kernel/events/core.c:8146 [inline] ___perf_sw_event+0x194/0x218 kernel/events/core.c:8177 __perf_sw_event+0x4c/0x70 kernel/events/core.c:8189 perf_sw_event include/linux/perf_event.h:1116 [inline] do_page_fault+0x484/0xa40 arch/arm64/mm/fault.c:510 do_mem_abort+0xc8/0x248 arch/arm64/mm/fault.c:963 el1_da+0x20/0x94 mm_release+0x150/0x2f0 kernel/fork.c:1325 exit_mm_release+0x34/0x40 kernel/fork.c:1343 exit_mm kernel/exit.c:430 [inline] do_exit+0x4a0/0x1168 kernel/exit.c:786 do_group_exit+0xe4/0x3d0 kernel/exit.c:896 get_signal+0x328/0x1a28 kernel/signal.c:2589 do_signal+0x388/0x5c0 arch/arm64/kernel/signal.c:660 do_notify_resume+0x2b4/0x628 arch/arm64/kernel/signal.c:724 work_pending+0x8/0x10 ---[ end trace 0d235f907b677dbd ]--- CPU0 reading wrong counter -1 **缺陷详情参考链接:** **缺陷分析指导链接:** https:xxx
**【标题描述】能够简要描述问题:说明什么场景下,做了什么操作,出现什么问题(尽量使用正向表达方式)** **一、缺陷信息** **内核信息:** **缺陷归属组件:** **缺陷归属的版本:** **缺陷简述:** **【环境信息】** 硬件信息 - 裸机场景请提供问题的硬件信息 - 虚拟机场景请提供虚拟机的XML文件或配置信息 软件信息 - OS版本及分支信息 - 内核信息 - 发现问题的组件版本信息 网络信息 - 如果有特殊组网,请提供网络拓扑信息 **【问题复现步骤】**,请描述具体的操作步骤 **【实际结果】**,请描述出问题的结果和影响 **【其他相关附件信息】** 比如系统message日志/组件日志、dump信息、图片等 block nbd2: shutting down sockets ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6690 at arch/arm64/kernel/perf_event.c:599 armv8pmu_event_is_chained arch/arm64/kernel/perf_event.c:599 [inline] WARNING: CPU: 0 PID: 6690 at arch/arm64/kernel/perf_event.c:599 armv8pmu_read_hw_counter arch/arm64/kernel/perf_event.c:738 [inline] WARNING: CPU: 0 PID: 6690 at arch/arm64/kernel/perf_event.c:599 armv8pmu_read_counter+0x280/0x3b8 arch/arm64/kernel/perf_event.c:756 Modules linked in: CPU: 0 PID: 6690 Comm: syz-executor.3 Not tainted 4.19.90+ #1 Hardware name: linux,dummy-virt (DT) pstate: 80400005 (Nzcv daif +PAN -UAO) pc : armv8pmu_event_is_chained arch/arm64/kernel/perf_event.c:599 [inline] pc : armv8pmu_read_hw_counter arch/arm64/kernel/perf_event.c:738 [inline] pc : armv8pmu_read_counter+0x280/0x3b8 arch/arm64/kernel/perf_event.c:756 lr : armv8pmu_event_is_chained arch/arm64/kernel/perf_event.c:599 [inline] lr : armv8pmu_read_hw_counter arch/arm64/kernel/perf_event.c:738 [inline] lr : armv8pmu_read_counter+0x280/0x3b8 arch/arm64/kernel/perf_event.c:756 sp : ffff8000d9bb6da0 x29: ffff8000d9bb6da0 x28: ffff8000c313f240 x27: 00000000ffffffff x26: ffff10001a9b1adb x25: 1ffff00018627e48 x24: 0000000000000000 x23: ffff20000e677000 x22: 0000000000000008 x21: 00000000ffffffff x20: 00000000806c9bdc x19: ffff8000d4d8d500 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 1ffff0001acc4671 x13: 0000000000000000 x12: 1ffff0001acc4642 x11: 1fffe40001b85ab6 x10: ffff040001b85ab6 x9 : dfff200000000000 x8 : 2d2d2d2d5d206572 x7 : 656820747563205b x6 : ffff20000dc2d5b3 x5 : 00000000f2f2f200 x4 : 00000000f3f3f3f3 x3 : ffff200008000000 x2 : 403a6c299baf9400 x1 : 0000000000000000 x0 : 0000000000000024 Call trace: armv8pmu_event_is_chained arch/arm64/kernel/perf_event.c:599 [inline] armv8pmu_read_hw_counter arch/arm64/kernel/perf_event.c:738 [inline] armv8pmu_read_counter+0x280/0x3b8 arch/arm64/kernel/perf_event.c:756 armpmu_event_update+0xc4/0x158 drivers/perf/arm_pmu.c:254 armpmu_read+0x24/0x30 drivers/perf/arm_pmu.c:271 perf_output_read_group kernel/events/core.c:6237 [inline] perf_output_read+0x9d8/0x1140 kernel/events/core.c:6276 perf_output_sample+0x10b8/0x1838 kernel/events/core.c:6318 __perf_event_output kernel/events/core.c:6643 [inline] perf_event_output_forward+0xd0/0x120 kernel/events/core.c:6656 __perf_event_overflow+0xfc/0x298 kernel/events/core.c:7929 perf_swevent_overflow+0x88/0xf8 kernel/events/core.c:8005 perf_swevent_event+0xe0/0x258 kernel/events/core.c:8033 do_perf_sw_event kernel/events/core.c:8146 [inline] ___perf_sw_event+0x194/0x218 kernel/events/core.c:8177 __perf_sw_event+0x4c/0x70 kernel/events/core.c:8189 perf_sw_event include/linux/perf_event.h:1116 [inline] do_page_fault+0x484/0xa40 arch/arm64/mm/fault.c:510 do_mem_abort+0xc8/0x248 arch/arm64/mm/fault.c:963 el1_da+0x20/0x94 mm_release+0x150/0x2f0 kernel/fork.c:1325 exit_mm_release+0x34/0x40 kernel/fork.c:1343 exit_mm kernel/exit.c:430 [inline] do_exit+0x4a0/0x1168 kernel/exit.c:786 do_group_exit+0xe4/0x3d0 kernel/exit.c:896 get_signal+0x328/0x1a28 kernel/signal.c:2589 do_signal+0x388/0x5c0 arch/arm64/kernel/signal.c:660 do_notify_resume+0x2b4/0x628 arch/arm64/kernel/signal.c:724 work_pending+0x8/0x10 ---[ end trace 0d235f907b677dbd ]--- CPU0 reading wrong counter -1 **缺陷详情参考链接:** **缺陷分析指导链接:** https:xxx
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