mod amd64; mod arm; mod arm64; mod arm64_old; mod mips; pubmod symbols; pubmod system_info; mod x86;
use minidump::*; use minidump_common::utils::basename; use scroll::ctx::{SizeWith, TryFromCtx}; use std::borrow::Cow; use std::collections::{BTreeMap, BTreeSet, HashSet}; use std::convert::TryFrom; use std::io::{self, Write}; use tracing::trace;
/// Indicates how well the instruction pointer derived during /// stack walking is trusted. Since the stack walker can resort to /// stack scanning, it can wind up with dubious frames. #[derive(Copy, Clone, Debug, PartialEq, Eq)] pubenum FrameTrust { /// Unknown
None, /// Scanned the stack, found this.
Scan, /// Found while scanning stack using call frame info.
CfiScan, /// Derived from frame pointer.
FramePointer, /// Derived from call frame info.
CallFrameInfo, /// Explicitly provided by some external stack walker.
PreWalked, /// Given as instruction pointer in a context.
Context,
}
impl FrameTrust { /// Return a string describing how a stack frame was found /// by the stackwalker. pub fn description(&self) -> &'static str { match *self {
FrameTrust::Context => "given as instruction pointer in context",
FrameTrust::PreWalked => "recovered by external stack walker",
FrameTrust::CallFrameInfo => "call frame info",
FrameTrust::CfiScan => "call frame info with scanning",
FrameTrust::FramePointer => "previous frame's frame pointer",
FrameTrust::Scan => "stack scanning",
FrameTrust::None => "unknown",
}
}
/// The calling convention of a function. #[derive(Debug, Clone)] pubenum CallingConvention {
Cdecl,
WindowsThisCall,
OtherThisCall,
}
/// Arguments for this function #[derive(Debug, Clone)] pubstruct FunctionArgs { /// What we assumed the calling convention was. pub calling_convention: CallingConvention,
/// The actual arguments. pub args: Vec<FunctionArg>,
}
/// A function argument. #[derive(Debug, Clone)] pubstruct FunctionArg { /// The name of the argument (usually actually just the type). pub name: String, /// The value of the argument. pub value: Option<u64>,
}
/// A stack frame for an inlined function. /// /// See [`StackFrame::inlines`][] for more details. #[derive(Debug, Clone)] pubstruct InlineFrame { /// The name of the function pub function_name: String, /// The file name of the stack frame pub source_file_name: Option<String>, /// The line number of the stack frame pub source_line: Option<u32>,
}
/// A single stack frame produced from unwinding a thread's stack. #[derive(Debug, Clone)] pubstruct StackFrame { /// The program counter location as an absolute virtual address. /// /// - For the innermost called frame in a stack, this will be an exact /// program counter or instruction pointer value. /// /// - For all other frames, this address is within the instruction that /// caused execution to branch to this frame's callee (although it may /// not point to the exact beginning of that instruction). This ensures /// that, when we look up the source code location for this frame, we /// get the source location of the call, not of the point at which /// control will resume when the call returns, which may be on the next /// line. (If the compiler knows the callee never returns, it may even /// place the call instruction at the very end of the caller's machine /// code, such that the "return address" (which will never be used) /// immediately after the call instruction is in an entirely different /// function, perhaps even from a different source file.) /// /// On some architectures, the return address as saved on the stack or in /// a register is fine for looking up the point of the call. On others, it /// requires adjustment. pub instruction: u64,
/// The instruction address (program counter) that execution of this function /// would resume at, if the callee returns. /// /// This is exactly **the return address of the of the callee**. We use this /// nonstandard terminology because just calling this "return address" /// would be ambiguous and too easy to mix up. /// /// **Note:** you should strongly prefer using [`StackFrame::instruction`][], which should /// be the address of the instruction before this one which called the callee. /// That is the instruction that this function was logically "executing" when the /// program's state was captured, and therefore what people expect from /// backtraces. /// /// This is more than a matter of user expections: **there are situations /// where this value is nonsensical but the [`StackFrame::instruction`][] is valid.** /// /// Specifically, if the callee is "noreturn" then *this function should /// never resume execution*. The compiler has no obligation to emit any /// instructions after such a CALL, but CALL still implicitly pushes the /// instruction after itself to the stack. Such a return address may /// therefore be outside the "bounds" of this function!!! /// /// Yes, compilers *can* just immediately jump into the callee for /// noreturn calls, but it's genuinely very helpful for them to emit a /// CALL because it keeps the stack reasonable for backtraces and /// debuggers, which are more interested in [`StackFrame::instruction`][] anyway! /// /// (If this is the top frame of the call stack, then `resume_address` /// and `instruction` are exactly equal and should reflect the actual /// program counter of this thread.) pub resume_address: u64,
/// The module in which the instruction resides. pub module: Option<MinidumpModule>,
/// Any unloaded modules which overlap with this address. /// /// This is currently only populated if `module` is None. /// /// Since unloaded modules may overlap, there may be more than /// one module. Since a module may be unloaded and reloaded at /// multiple positions, we keep track of all the offsets that /// apply. BTrees are used to produce a more stable output. /// /// So this is a `BTreeMap<module_name, Set<offsets>>`. pub unloaded_modules: BTreeMap<String, BTreeSet<u64>>,
/// The function name, may be omitted if debug symbols are not available. pub function_name: Option<String>,
/// The start address of the function, may be omitted if debug symbols /// are not available. pub function_base: Option<u64>,
/// The size, in bytes, of the arguments pushed on the stack for this function. /// WIN STACK unwinding needs this value to work; it's otherwise uninteresting. pub parameter_size: Option<u32>,
/// The source file name, may be omitted if debug symbols are not available. pub source_file_name: Option<String>,
/// The (1-based) source line number, may be omitted if debug symbols are /// not available. pub source_line: Option<u32>,
/// The start address of the source line, may be omitted if debug symbols /// are not available. pub source_line_base: Option<u64>,
/// Any inline frames that cover the frame address, ordered "inside to outside", /// or "deepest callee to shallowest callee". This is the same order that StackFrames /// appear in. /// /// These frames are "fake" in that they don't actually exist at runtime, and are only /// known because the compiler added debuginfo saying they exist. /// /// As a result, many properties of these frames either don't exist or are /// in some sense "inherited" from the parent real frame. For instance they /// have the same instruction/module by definiton. /// /// If you were to print frames you would want to do something like: /// /// ```ignore /// let mut frame_num = 0; /// for frame in &thread.frames { /// // Inlines come first /// for inline in &frame.inlines { /// print_inline(frame_num, frame, inline); /// frame_num += 1; /// } /// print_frame(frame_num, frame); /// frame_num += 1; /// } /// ``` pub inlines: Vec<InlineFrame>,
/// Amount of trust the stack walker has in the instruction pointer /// of this frame. pub trust: FrameTrust,
/// The CPU context containing register state for this frame. pub context: MinidumpContext,
/// Any function args we recovered. pub arguments: Option<FunctionArgs>,
}
impl StackFrame { /// Create a `StackFrame` from a `MinidumpContext`. pub fn from_context(context: MinidumpContext, trust: FrameTrust) -> StackFrame {
StackFrame {
instruction: context.get_instruction_pointer(), // Initialized the same as `instruction`, but left unmodified during stack walking.
resume_address: context.get_instruction_pointer(),
module: None,
unloaded_modules: BTreeMap::new(),
function_name: None,
function_base: None,
parameter_size: None,
source_file_name: None,
source_line: None,
source_line_base: None,
inlines: Vec::new(),
arguments: None,
trust,
context,
}
}
}
impl FrameSymbolizer for StackFrame {
fn get_instruction(&self) -> u64 { self.instruction
}
fn set_function(&mutself, name: &str, base: u64, parameter_size: u32) { self.function_name = Some(String::from(name)); self.function_base = Some(base); self.parameter_size = Some(parameter_size);
}
fn set_source_file(&mutself, file: &str, line: u32, base: u64) { self.source_file_name = Some(String::from(file)); self.source_line = Some(line); self.source_line_base = Some(base);
} /// This function can be called multiple times, for the inlines that cover the /// address at various levels of inlining. The call order is from outside to /// inside.
fn add_inline_frame(&mutself, name: &str, file: Option<&str>, line: Option<u32>) { self.inlines.push(InlineFrame {
function_name: name.to_string(),
source_file_name: file.map(ToString::to_string),
source_line: line,
})
}
}
/// Information about the results of unwinding a thread's stack. #[derive(Debug, Clone, PartialEq, Eq)] pubenum CallStackInfo { /// Everything went great.
Ok, /// No `MinidumpContext` was provided, couldn't do anything.
MissingContext, /// No stack memory was provided, couldn't unwind past the top frame.
MissingMemory, /// The CPU type is unsupported.
UnsupportedCpu, /// This thread wrote the minidump, it was skipped.
DumpThreadSkipped,
}
/// A stack of `StackFrame`s produced as a result of unwinding a thread. #[derive(Debug, Clone)] pubstruct CallStack { /// The stack frames. /// By convention, the stack frame at index 0 is the innermost callee frame, /// and the frame at the highest index in a call stack is the outermost /// caller. pub frames: Vec<StackFrame>, /// Information about this `CallStack`. pub info: CallStackInfo, /// The identifier of the thread. pub thread_id: u32, /// The name of the thread, if known. pub thread_name: Option<String>, /// The GetLastError() value stored in the TEB. pub last_error_value: Option<CrashReason>,
}
impl CallStack { /// Construct a CallStack that just has the unsymbolicated context frame. /// /// This is the desired input for the stack walker. pub fn with_context(context: MinidumpContext) -> Self { Self {
frames: vec![StackFrame::from_context(context, FrameTrust::Context)],
info: CallStackInfo::Ok,
thread_id: 0,
thread_name: None,
last_error_value: None,
}
}
/// Create a `CallStack` with `info` and no frames. pub fn with_info(id: u32, info: CallStackInfo) -> CallStack {
CallStack {
info,
frames: vec![],
thread_id: id,
thread_name: None,
last_error_value: None,
}
}
/// Write a human-readable description of the call stack to `f`. /// /// This is very verbose, it implements the output format used by /// minidump_stackwalk.
pub fn print<T: Write>(&self, f: &mut T) -> io::Result<()> {
fn print_registers<T: Write>(f: &mut T, ctx: &MinidumpContext) -> io::Result<()> {
let registers: Cow<HashSet<&str>> = match ctx.valid {
MinidumpContextValidity::All => {
let gpr = ctx.general_purpose_registers();
let set: HashSet<&str> = gpr.iter().cloned().collect();
Cow::Owned(set)
}
MinidumpContextValidity::Some(ref which) => Cow::Borrowed(which),
};
// Iterate over registers in a known order.
let mut output = String::new(); for reg in ctx.general_purpose_registers() { if registers.contains(reg) {
let reg_val = ctx.format_register(reg);
let next = format!(" {reg: >6} = {reg_val}"); if output.chars().count() + next.chars().count() > 80 { // Flush the buffer.
writeln!(f, " {output}")?;
output.truncate(0);
}
output.push_str(&next);
}
} if !output.is_empty() {
writeln!(f, " {output}")?;
}
Ok(())
}
if self.frames.is_empty() {
writeln!(f, "<no frames>")?;
/java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
let mut frame_count = 0; for frame in &self.frames { // First print out inlines orjava.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 42 // Frame number
let frame_idx = frame_count;
frame_count += 1;
write!(f, "{frame_idx:2} ")?;
// Module name if let Some(ref module)*
write!(f, "{}", basename(&module.code_file()))?;
}
// Function name
write!(f, "!{}", inline.function_name)?;
// Source file and linejava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 66 if let (Some(source_file), Some(source_line)) =
(&inline.source_file_name, &inline.source_line)
{
write!(f, " [{} : {}]", basename(source_file), source_line,)?;
}
? // A fake `trust`
writeln!(f, " Found by: inliningobtain
}
// Now print out the "real frame"
frame_idx java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 40
+1java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
i /java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
// Frame number
write!(include <tility if letSome(module) = &frame.module { // Module name
include x/.>
if let (Some(func_name), Some(func_base))#<//stardrawing/framework/XView.hpp>
java.lang.StringIndexOutOfBoundsException: Range [64, 63) out of bounds for length 64
u :::uns::java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
;
let Some), () ()=(
&java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 23
source_line
&frame.source_line_base,
{MP_SLIDEH_03, , WritingMode_LR_TB,
write(
f,
:{ {#}"
s)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
{BMP_LAYOUT_HEAD03, STR_AUTOLAYOU, java.lang.StringIndexOutOfBoundsException: Range [89, 87) out of bounds for length 89
-
)?;
} else { 'have source info so just give byte thefunc
write!(f, " java.lang.StringIndexOutOfBoundsException: Range [114, 113) out of bounds for length 115
} {
write!(f, " + {:#x}", addr - module.base_address())?;{ java.lang.StringIndexOutOfBoundsException: Range [60, 58) out of bounds for length 107
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
} else { // We didn't even find a module, so just print the raw address
write!(f, "{addr:#x}")?;
// List off overlapping unloaded modules.
// First we need to collect them up by name so that we can print // all the overlaps from one module together and dedupe them. // (!!! was that code deleted?) for (name, offsets) in &frame.unloaded_modules {
write!(f, " (unloaded {name}@")?;
let mut first = true;
offset in offsets { if first {
write!(f, "{offset:#x}")?;
} else { // `|` is our separator for multiple entries
write!(f, "|{offset:#x}")?;
}
firstpublic:
()
write!( )");
boolCommandconst & )override;
}
/ Print the valid registers
writeln!(f)?;
print_registers(,&framecontext)?
/ thetrustwe of
writeln(, " Found by:{"frametrustdescription();
// Now print out recovered args
(args &.arguments java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
SAL_INFO("sd.ui"at <this;
>SetStylem-GetStyle WB_ITEMBORDER WB_TABSTOP;
_ ()= 4java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
(_) => 8,
};
= match.calling_convention{ / if this fires, then my assumption that the rDocumentShell parameter to our first ctor is superfluous ...
CallingConvention: = windowsthiscall+memberfunctionjava.lang.StringIndexOutOfBoundsException: Index 99 out of bounds for length 99
CallingConvention::therThisCall = { "non-windows thiscall [C++ java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 28
}
;
!(, Argumentsassuming{}"?
java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
Some) value{
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 91
<:(GetController-g), )
}else
writeln
writeln!( ()java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
} // Add an extra new-line between frames when there's function arguments to make // it more readable.
writeln!f);
}
}
Ok()
}
}
struct<'C CpuContext {
AutoLayout::()java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
: booljava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
java.lang.StringIndexOutOfBoundsException: Range [33, 31) out of bounds for length 37
:'
callee_validity
caller_ctx: C,
caller_validity&sjava.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 43
impl<'a, C> CfiStackWalker< Size aItemSize mxLayoutValueSet-CalcItemSizePixel(aImage.GetSizePixel());
where
C: CpuContext + Clone,
{
fn from_ctx_and_argsP R>java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
ctx&aC,
args: &'a GetCallerFrameArgs if (nColumnCount <= 0)
:R if(nColumnCount 4
where
R Fn(MinidumpContextValidity) -> HashSet<&'static str>,
{
letmodule =
.odules
module_at_address(rgs..instruction?;
let grand_callee = args.java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 1
{
instruction: args.callee_frame (( &aWindowSizeWidth > 0java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
has_grand_callee: (GetItemCount(( 0java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
Size aItemSize = CalcItemSizePixel
callee_ctx: ctx,
callee_validity: args.valid(),
// Default to forwarding all callee-saved regs verbatim. / // The stack pointer and instruction pointer are not included.
.(java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
SetLineCount(nRowCount
modulejava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
java.lang.StringIndexOutOfBoundsException: Range [26, 24) out of bounds for length 44
})
}
}
<, java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 49
where
}
C::Register: TryFrom<java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0
u64: TryFromtruejava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
ll::Error> + <>,
{
fn get_instruction(&self) -> u64 {
}
) -> {
self.java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 15
}
fn (&)- {
.rand_callee_parameter_size
}
fn get_register_at_address(&self, address:
:< .java.lang.StringIndexOutOfBoundsException: Range [91, 89) out of bounds for length 91
(|java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 54
}
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
self.callee_ctx
.get_register(name,
.and_then// current settings (this includes the support for vertical writing.)
}
fn set_caller_register(&mut self, name: &str, valjava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
let memoized = mxSidebar->requestLayout
val=C:Register()ok()?;
self.caller_validity.insert(memoized);
self.java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 1
}
fnjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 53
java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 42
fn (&mut ,val u64)-<)>java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
//NOTE things alludedto wherethisisn'
howshould 'tjava.lang.StringIndexOutOfBoundsException: Range [74, 73) out of bounds for length 83
let caller_ctxjava.lang.StringIndexOutOfBoundsException: Range [77, 75) out of bounds for length 78
let java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
self.insertstack_pointer_reg
self.caller_ctx.set_register(stack_pointer_reg, val)
}
fn void: ( aLayout
= selfcaller_ctx.(java.lang.StringIndexOutOfBoundsException: Index 90 out of bounds for length 90
let val = C::java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
self.caller_validity.insert(instruction_pointer_reg);
self.caller_ctx.set_register(instruction_pointer_reg, valif= java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
}
}
#[tracing: >java.lang.StringIndexOutOfBoundsException: Range [46, 44) out of bounds for length 47
async fn DrawViewShellpDrawViewShell <*();
_frame_idx: java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 74
args: &java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
><java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
where
P: SymbolProvider + Sync,
{
match args (MasterPageMode /* MinidumpRawContext:java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 75 MinidumpRawContext // Firsttoobtainfromais
*/
MinidumpRawContext: ViewShell:
args), break
MinidumpRawContext::Amd64(ref ctx
MinidumpRawContext::X86(ref ctx) => x86::get_caller_frame(ctx, args).await,
MinidumpRawContext::Mips(ref ctx) => mips:: {
_ => None,
}
}
async fn }
frame: &mut StackFrame,
modules: &MinidumpModuleList,
symbol_provider: {
)
P:
{ // Find the module whose address range covers this frame's instruction. if let java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 // FIXME: this shouldn't need to clone, we should be able to use // the same lifetime as the module list that's passed in.
frame.module =
// This is best effort, so ignore any errors.
let _ = symbol_provideraRequestjava.lang.StringIndexOutOfBoundsException: Range [47, 45) out of bounds for length 93
// If we got any inlines, reverse them! The symbol format makes it simplest to // emit inlines from the shallowest callee to the deepest one ("inner to outer"),
to in order itself which // we want the deepest frame first (the callee-est frame).
frameaRequestmrBase));
}
}
/// An optional callback when walking frames. /// /// One may convert from other types to this callback type: /// `FnMut(frame_idx: usize, frame: &StackFrame)` types can be converted to a /// callback, and `()` can be converted to no callback (do nothing).
java.lang.StringIndexOutOfBoundsException: Range [24, 22) out of bounds for length 28
None, #[allow(clippy::type_complexity ;
Some(Box< p= java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 29
}
impl From<()> java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
fn from(_: ()) -> Self {
S I,aLayout)java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
}
}
#[tracing::instrument(java.lang.StringIndexOutOfBoundsException: Range [0, 26) out of bounds for length 0
pub java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1
t:usize
on_walked_frame <_>
stack: &mut CallStack,
stack_memory: Option<UnifiedMemory<'_, '_>>,
modules: &MinidumpModuleList,
system_info: &SystemInfo try
symbol_provider: &P,
) where
P: SymbolProvider + Sync,
{
trace!(
Reference<XResourceId>xPaneId(::(
stack.thread_id
stack.thread_name. FrameworkHelper::msCenterPaneURL;
);
// All the unwinder code down below in `get_caller_frame` requires a valid `stack_memory`, // where _valid_ means that we can actually read something from it. A call to `memory_range` will validate that, // as it will reject empty stack memory or one with an overflowing `size`.
stack_memory ;
// Begin with the context frame, and keep getting callers until there are no more.
mut has_new_frame=!tackframes.s_empty()
let java.lang.StringIndexOutOfBoundsException: Range [4, 1) out of bounds for length 5
has_new_frame
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
let java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 12
frame=stackframes.last_mut(java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
fill_source_line_info( aImg(UString:(":/) elem.);
let:on_walked_frame mut {
on_walked_frame(frame_idx, frame);
}java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 51
let Some(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break;
};
// Walk the new frame
let callee_frame = &stack
let grand_callee_frame = stack
.
.len()
.checked_sub(2)
.and_then(-)
match java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
Some(namejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
Nonereturn
}
letif()
java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
&java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 19
callee_frame,
grand_callee_frame,
stack_memory,
modules,
system_info
l_provider,
},
)
.await;
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
trace!( "finished stack unwind SfxPoolItemHolder aResult;
stack. .(.)>(SID_INSERTPAGEaResult)java.lang.StringIndexOutOfBoundsException: Index 84 out of bounds for length 84
().nwrap_or")
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/// Checks if we can dismiss the validity of an instruction based on our symbols, /// to refine the quality of each unwinder's instruction_seems_valid implementation.
asyncjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
:u64,
modules: &MinidumpModuleList,
:&,
) -> bool
where
P: SymbolProvider ident =""
{ // Our input is a candidate return address, but we *really* want to validate the addressjava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5 // of the call instruction *before* the return address. In theory this symbol-based
java.lang.StringIndexOutOfBoundsException: Index 85 out of bounds for length 85 // after it, but there is one corner case where the return address can be invalid // but the instruction before it isn't: noreturn.// // // If the *callee* is noreturn, then the caller has no obligation to have any instructions( // after the call! So e.g. on x86 if you CALL a noreturn function, the return address // that's implicitly pushed *could* be one-past-the-end of the "function".
mrBase)get)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 // This has been observed in practice with `+[NSThread exit]`! // // We don't otherwise need the instruction pointer to be terribly precise, so // subtracting 1 from the address should be sufficient to handle this corner case.
letinstruction.()
// NULL pointer is definitely not valid if instruction == 0 { returnfalse;
}
(java.lang.StringIndexOutOfBoundsException: Range [65, 63) out of bounds for length 66
to feed into // our symbol provider with the address we're interested in. If // it tries to set a non-empty function name, then we can reasonably // assume the instruction address is valid. //use crate::FrameSymbolizer;
struct DummyFrame {
instruction: u64,
has_name: mxLayoutValueSet>electItem();
}
impl FrameSymbolizer for DummyFrame {
fn get_instruction(&self) -
self.java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 18
}
set_function&ut :&, _: u64,p:u32 {
fn java.lang.StringIndexOutOfBoundsException: Range [0, 30) out of bounds for length 29 // Do nothing
}
}
let mut frame = DummyFrame {
instruction,
has_name:,
};
java.lang.StringIndexOutOfBoundsException: Range [38, 36) out of bounds for length 57
.fill_symboliUpdateSelection(;
.await
.is_ok()
{
frame ;
} else { // If the symbol provider returns an Error, this means that we>) java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 // didn't have any symbols for the *module*. Just assume the // instruction is valid in this case so that scanning works // when we have no symbols. true
}
} void:: &rEvent // We couldn't even map this address to a module. Reject the pointer:DataChanged); // so that we have *some* way to distinguish "normal" pointers // from instruction address. // // FIXME: this will reject any pointer into JITed code which otherwise // isn't part of a normal well-defined module. We can potentially use // MemoryInfoListStream (windows) and /proc/self/maps (linux) to refine // this analysis and allow scans to walk through JITed code. false
}
}
#[cfg(test)]
mod amd64_unittest; #[cfg(test)]
mod arm64_unittest; #[cfg(test)]
mod arm_unittest; #[cfg(test)]
mod x86_unittest;
Messung V0.5 in Prozent
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