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My os version is based on centos8, x86_64, while I use clang-10.0.1/llvm-10.0.1/glibc2.32/gcc10.2.1, "test_trace1.py test_trace1.b kprobe.b" will always get crash.
I also try llvm-11.0.0/clang-11.0.0…
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Would like a macro or function for mapping a file descriptor to a pathname. I was trying something like (this may be wrong):
``` C
#include
#include
#include
int kprobe__vfs_fstat(struct pt_regs …
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that we are going to want to print anything when it is full. Maybe for debugging? obj_instance[6]
https://lore.kernel.org/all/20221017155829.7e8d4812@gandalf.local.home/
I'm thinking instead o…
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## CVE-2021-3411 - Medium Severity Vulnerability
Vulnerable Library - linux-stable-rtv4.1.33
Julia Cartwright's fork of linux-stable-rt.git
Library home page: https://git.kernel.org/pub/scm/linux/k…
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Now we usually use bpftrace to write tracepoint or kprobe programs, but it does not support XDP, TC and many other types of BPF program. We have to write XDP programs in C, which is not so convenient.…
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### What happened?
Tetragon version
```
time="2024-05-08T08:14:51Z" level=info msg="Starting tetragon" version=v1.0.3
time="2024-05-08T08:14:51Z" level=info msg="config settings" config="map[bpf…
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With Linux v4.17, the "syscall stub naming convention" changes. Users who want to e.g. attach a kprobe to an `open` syscall need to use a different name depending on the kernel version.
Correspondi…
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Hello! I jumped right into the hard job, tracing spinlocks. I have issues copying a pointer value from the argument of `_raw_spin_lock` to a `BPF_PERF_OUTPUT`.
```
#include
#include
#include
…
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(this takes over discussion/tracking from https://github.com/iovisor/ply/pull/80#issuecomment-1358728266)
I was able to package and build `ply` under OpenWrt, then began testing across various MIPS…
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Hello,
I have a question related to my previous issue #220. I wrote a program with the purpose of matching network packets to PIDs. For this, I use a `kprobe` redBPF program to retrieve packet inf…