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asked 2024-01-09 17:49:28 +0800

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gdk7 用dci open进行内核调试时无法查看栈回溯

用gdk7 加载内核调试符号之后，在函数开头下断点，然后用k命令或者kv命令之后，kd一直现实busy,而且无法中断

x lk!openat ffffffff8aefbb60 lk!types__openat = Array [4] ffffffff8aefbb40 lk!argsopenat = Array [4] ffffffff8aefbb00 lk!__syscall_meta__openat = syscall_metadata ffffffff8aefba60 lk!evententeropenat = traceeventcall ffffffff8b2e3dd0 lk!__event_enter__openat = 0000000000000000 ffffffff8aefb9c0 lk!event_exit__openat = trace_event_call ffffffff8b2e3dc8 lk!eventexitopenat = 0000000000000000 ffffffff8b2e6578 lk!psyscallmetaopenat = 0000000000000000 ffffffff8b2e9110 lk!eiladdrx64sysopenat = errorinjectionentry ffffffff8b2e9100 lk!_eil_addr___ia32_sys_openat = error_injection_entry ffffffff8b2e90d0 lk!eiladdria32compatsysopenat = errorinjectionentry ffffffff8b2e90c0 lk!_eil_addr___x32_compat_sys_openat = error_injection_entry ffffffff12ae15b0 lk!x32compatsysopenat (const ptregs*) ffffffff12ae1590 lk!__ia32_compat_sys_openat (const pt_regs*) ffffffff12ae1510 lk!ia32sysopenat (const ptregs) ffffffff12ae14e0 lk!__x64_sys_openat (const pt_regs*) ffffffff12af55f0 lk!path_openat (nameidata, const openflags*, unsigned int) ffffffff896f55f0 lk!path_openat ffffffff896e1590 lk!ia32compatsysopenat ffffffff896e14e0 lk!__x64_sys_openat ffffffff896e15b0 lk!x32compatsysopenat ffffffff896e1510 lk!__ia32_sys_openat ba lk!__x64_sys_openat ^ Syntax error in 'ba lk!__x64_sys_openat' bp lk!__x64_sys_openat Ambiguous symbol error at 'lk!__x64_sys_openat' bp __x64_sys_openat Failed to evaluate bp expression '__x64_sys_openat', deferred bp is added bu lk!__x64_sys_openat Ambiguous symbol error at 'lk!__x64_sys_openat' bp __x64_sys_openat Failed to evaluate bp expression '__x64_sys_openat', deferred bp is added bp ffffffff896e14e0 g ambush 4 hit lk!x64sys_openat: ffffffff896e14e0 0f1f440000 nop dword ptr [rax + rax]

gdk7 用dci open进行内核调试时无法查看栈回溯

用gdk7 加载内核调试符号之后，在函数开头下断点，然后用k命令或者kv命令之后，kd一直现实busy,而且无法中断

x lk!openat ffffffff8aefbb60 ffffffff`8aefbb60 lk!types__openat = Array [4] ffffffff8aefbb40 lk!argsopenat = Array [4] ffffffff8aefbb00 lk!__syscall_meta__openat = syscall_metadata ffffffff8aefba60 lk!evententeropenat = traceeventcall ffffffff8b2e3dd0 lk!__event_enter__openat = 0000000000000000 ffffffff8aefb9c0 lk!event_exit__openat = trace_event_call ffffffff8b2e3dc8 lk!eventexitopenat = 0000000000000000 ffffffff8b2e6578 lk!psyscallmetaopenat = 0000000000000000 ffffffff8b2e9110 lk!eiladdrx64sysopenat = errorinjectionentry ffffffff8b2e9100 lk!_eil_addr___ia32_sys_openat = error_injection_entry ffffffff8b2e90d0 lk!eiladdria32compatsysopenat = errorinjectionentry ffffffff8b2e90c0 lk!_eil_addr___x32_compat_sys_openat = error_injection_entry ffffffff12ae15b0 lk!x32compatsysopenat (const ptregs*) ffffffff12ae1590 lk!__ia32_compat_sys_openat (const pt_regs*) ffffffff12ae1510 lk!ia32sysopenat (const ptregs) ffffffff12ae14e0 lk!__x64_sys_openat (const pt_regs*) ffffffff12af55f0 lk!path_openat (nameidata, const openflags*, unsigned int) ffffffff896f55f0 lk!path_openat ffffffff896e1590 lk!ia32compatsysopenat ffffffff896e14e0 lk!__x64_sys_openat ffffffff896e15b0 lk!x32compatsysopenat ffffffff896e1510 lk!__ia32_sys_openat [4]

ba lk!__x64_sys_openat lk!x64sysopenat ^ Syntax error in 'ba lk!__x64_sys_openat' bp lk!__x64_sys_openat lk!x64sysopenat'

bp lk!x64sysopenat Ambiguous symbol error at 'lk!__x64_sys_openat' bp __x64_sys_openat 'lk!x64sysopenat'

bp x64sysopenat Failed to evaluate bp expression '__x64_sys_openat', 'x64sysopenat', deferred bp is added added

bu lk!__x64_sys_openat lk!x64sysopenat Ambiguous symbol error at 'lk!__x64_sys_openat' bp __x64_sys_openat 'lk!x64sysopenat'

bp x64sysopenat Failed to evaluate bp expression '__x64_sys_openat', 'x64sysopenat', deferred bp is added bp ffffffff896e14e0 g added

bp ffffffff`896e14e0

g

ambush 4 hit lk!x64_x64sys_openat: ffffffff896e14e0 0f1f440000 nop dword ptr [rax + rax]

gdk7 用dci open进行内核调试时无法查看栈回溯

用gdk7 加载内核调试符号之后，在函数开头下断点，然后用k命令或者kv命令之后，kd一直现实busy,而且无法中断

x lk!openat ffffffff`8aefbb60 lk!types__openat = Array [4]

ba lk!x64sysopenat ^ Syntax error in 'ba lk!x64sysopenat'

bp lk!x64sysopenat Ambiguous symbol error at 'lk!x64sysopenat'

bp x64sysopenat Failed to evaluate bp expression 'x64sysopenat', deferred bp is added

bu lk!x64sysopenat Ambiguous symbol error at 'lk!x64sysopenat'

bp x64sysopenat Failed to evaluate bp expression 'x64sysopenat', deferred bp is added

bp ffffffff`896e14e0

g

ambush 4 hit lk!_x64sys_openat: ffffffff896e14e0 0f1f440000 nop dword ptr [rax + rax]

gdk7 用dci open进行内核调试时无法查看栈回溯open进行Linux内核调试时无法查看栈回溯

用gdk7 加载内核调试符号之后，在函数开头下断点，然后用k命令或者kv命令之后，kd一直现实busy,而且无法中断加载内核调试符号之后，在函数开头下断点，然后用k命令或者kv命令之后，kd一直现实busy,而且无法中断. 我在ffffffff`896e14e0 lk!_x64sys_openat 这个位置下的断点，在中断之后使用k查看堆栈

x lk!openat ffffffff`8aefbb60 lk!types__openat = Array [4]

ba lk!x64sysopenat ^ Syntax error in 'ba lk!x64sysopenat'

bp lk!x64sysopenat Ambiguous symbol error at 'lk!x64sysopenat'

bp x64sysopenat Failed to evaluate bp expression 'x64sysopenat', deferred bp is added

bu lk!x64sysopenat Ambiguous symbol error at 'lk!x64sysopenat'

bp x64sysopenat Failed to evaluate bp expression 'x64sysopenat', deferred bp is added

bp ffffffff`896e14e0

g

ambush 4 hit lk!_x64sys_openat: ffffffff896e14e0 0f1f440000 nop dword ptr [rax + rax]

gdk7 用dci open进行Linux内核调试时无法查看栈回溯

用gdk7 加载内核调试符号之后，在函数开头下断点，然后用k命令或者kv命令之后，kd一直现实busy,而且无法中断. 我在ffffffff`896e14e0 我在

ffffffff`896e14e0 lk!_x64sys_openat sys_openat

这个位置下的断点，在中断之后使用k查看堆栈

x lk!openat ffffffff`8aefbb60 lk!types__openat = Array [4]

ba lk!x64sysopenat ^ Syntax error in 'ba lk!x64sysopenat'

bp lk!x64sysopenat Ambiguous symbol error at 'lk!x64sysopenat'

bp x64sysopenat Failed to evaluate bp expression 'x64sysopenat', deferred bp is added

bu lk!x64sysopenat Ambiguous symbol error at 'lk!x64sysopenat'

bp x64sysopenat Failed to evaluate bp expression 'x64sysopenat', deferred bp is added

bp ffffffff`896e14e0

g

ambush 4 hit lk!_x64sys_openat: ffffffff896e14e0 0f1f440000 nop dword ptr [rax + rax]

gdk7 用dci open进行Linux内核调试时无法查看栈回溯

用gdk7 加载内核调试符号之后，在函数开头下断点，然后用k命令或者kv命令之后，kd一直现实busy,而且无法中断. 加载内核调试符号之后，在一些内核函数开头下断点，等断点命中后用k命令或者kv命令，kd一直显示busy,而且无法中断. 我在

ffffffff`896e14e0 lk!_x64sys_openatlk!__x64 _ sys _openat

这个位置下的断点，在中断之后使用k查看堆栈

x lk!openat ffffffff`8aefbb60 lk!types__openat = Array [4]

ba lk!x64sysopenat ^ Syntax error in 'ba lk!x64sysopenat'这个位置下的断点，在命中之后使用k查看堆栈可以稳定复现问题

bp lk!x64sys_x64openat Ambiguous symbol error at 'lk!x64sysopenat'

bp x64sysopenat Failed to evaluate bp expression 'x64sysopenat', deferred bp is added

bu lk!x64sysopenat Ambiguous symbol error at 'lk!x64sysopenat'

bp x64sysopenat Failed to evaluate bp expression 'x64sysopenat', deferred bp is added

bp ffffffff`896e14e0sys_openat

g

ambush 4 hit lk!_x64sys_openat: ffffffff896e14e0 0f1f440000 nop dword ptr [rax + rax]

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