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Questions - ptrace

Can AddressSanitizer be induced to dump a stracktrace upon `abort()`, or generally on demand?

gdb -quiet -iex 'set pagination off' -ex run -ex 'thread apply all bt' --batch --args <your prog> The above is my default way or running my programs in CI. It is very convenient to have a stack...

user7610

gdb

ptrace

address-sanitizer

atexit

Votes: 0

Answers: 1

Latest Answer

export DEBUGINFOD_URLS=https://debuginfod.elfutils.org gdb -quiet -iex 'set pagination off' -iex 'set debuginfod enabled on' -iex 'set detach-on-fork off' -iex 'set breakpoint pending on' -x gha_gdb_c...

user7610

docker arm32 gdb ptrace: Could not trace the inferior process

I am struggling with the arm32v7/ubuntu image. My host is Win10 professional and docker with command: docker container run --cap-add=CAP_SYS_PTRACE --security-opt seccomp=unconfined --privileged -it -...

M00

docker

gdb

qemu

armv7

ptrace

Votes: 0

Answers: 2

Latest Answer

QEMU's user-mode emulation does not support the ptrace system call, which means you can't run a gdb inside a chroot or container that is using QEMU to emulate each process and connect to an emulated p...

Peter Maydell

adding breakpoints manually to an assembly code

if I have the following assembly code: foo: mov $0x1,%rax callq bar retq bar: dec %r8 cmp $0x0,%r8 je end callq foo mov $0x5,%rax mov $0x1,%rdi end: retq ...

CS2000

debugging

assembly

x86-64

breakpoints

ptrace

Votes: 0

Answers: 0

Python3 Ptrace duplicate syscalls

I'm trying to build a simple version of starce, which shows you the first x syscalls a process made. The problem is that currently it seems like every syscall appears twice (except execve and exit_gro...

Yuval.R

python

system-calls

strace

ptrace

Votes: 0

Answers: 1

Latest Answer

After digging a bit in other threads here, I found that every syscall is supposed to appear twice, once before it was called, and another time after it was called. So the solution will be to simply to...

Yuval.R

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