From: Alexander Gordeev <agordeev@linux.ibm.com>
To: "Dmitry V. Levin" <ldv@strace.io>
Cc: Andrew Morton <akpm@linux-foundation.org>,
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Subject: Re: [PATCH v4 0/7] ptrace: introduce PTRACE_SET_SYSCALL_INFO API
Date: Mon, 3 Feb 2025 10:29:37 +0100 [thread overview]
Message-ID: <Z6CMgVm8QKEMRf8L@li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com> (raw)
In-Reply-To: <20250203065849.GA14120@strace.io>
On Mon, Feb 03, 2025 at 08:58:49AM +0200, Dmitry V. Levin wrote:
Hi Dmitry,
> PTRACE_SET_SYSCALL_INFO is a generic ptrace API that complements
> PTRACE_GET_SYSCALL_INFO by letting the ptracer modify details of
> system calls the tracee is blocked in.
...
FWIW, I am getting these on s390:
# ./tools/testing/selftests/ptrace/set_syscall_info
TAP version 13
1..1
# Starting 1 tests from 1 test cases.
# RUN global.set_syscall_info ...
# set_syscall_info.c:87:set_syscall_info:Expected exp_entry->nr (-1) == info->entry.nr (65535)
# set_syscall_info.c:88:set_syscall_info:wait #3: PTRACE_GET_SYSCALL_INFO #2: syscall nr mismatch
# set_syscall_info: Test terminated by assertion
# FAIL global.set_syscall_info
not ok 1 global.set_syscall_info
# FAILED: 0 / 1 tests passed.
# Totals: pass:0 fail:1 xfail:0 xpass:0 skip:0 error:0
I remember one of the earlier versions (v1 or v2) was working for me.
Thanks!
next prev parent reply other threads:[~2025-02-03 9:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-03 6:58 [PATCH v4 0/7] ptrace: introduce PTRACE_SET_SYSCALL_INFO API Dmitry V. Levin
2025-02-03 7:00 ` [PATCH v4 3/7] syscall.h: add syscall_set_arguments() Dmitry V. Levin
2025-02-03 7:00 ` [PATCH v4 4/7] syscall.h: introduce syscall_set_nr() Dmitry V. Levin
2025-02-03 9:29 ` Alexander Gordeev [this message]
2025-02-03 10:35 ` [PATCH v4 0/7] ptrace: introduce PTRACE_SET_SYSCALL_INFO API Dmitry V. Levin
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