【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
【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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