115 lines
3.8 KiB
Diff
115 lines
3.8 KiB
Diff
From 4699a580ca1aeecd35742494eb0259ee962e89a8 Mon Sep 17 00:00:00 2001
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Message-Id: <4699a580ca1aeecd35742494eb0259ee962e89a8.1685735399.git.dev@jpoiret.xyz>
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From: Josselin Poiret <dev@jpoiret.xyz>
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Date: Fri, 2 Jun 2023 21:42:31 +0200
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Subject: [PATCH] Add clone3.
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From: Josselin Poiret <dev@jpoiret.xyz>
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---
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src/syscall/sysnums-arm.h | 1 +
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src/syscall/sysnums-arm64.h | 1 +
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src/syscall/sysnums-i386.h | 1 +
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src/syscall/sysnums-sh4.h | 1 +
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src/syscall/sysnums-x32.h | 1 +
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src/syscall/sysnums-x86_64.h | 1 +
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src/syscall/sysnums.list | 1 +
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src/tracee/tracee.c | 4 ++++
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8 files changed, 11 insertions(+)
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diff --git a/src/syscall/sysnums-arm.h b/src/syscall/sysnums-arm.h
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index dfd512f..306e2b1 100644
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--- a/src/syscall/sysnums-arm.h
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+++ b/src/syscall/sysnums-arm.h
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@@ -341,4 +341,5 @@ static const Sysnum sysnums_arm[] = {
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[ 382 ] = PR_renameat2,
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[ 397 ] = PR_statx,
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[ 412 ] = PR_utimensat_time64,
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+ [ 435 ] = PR_clone3,
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};
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diff --git a/src/syscall/sysnums-arm64.h b/src/syscall/sysnums-arm64.h
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index dfb9889..65ccc4e 100644
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--- a/src/syscall/sysnums-arm64.h
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+++ b/src/syscall/sysnums-arm64.h
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@@ -264,4 +264,5 @@ static const Sysnum sysnums_arm64[] = {
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[ 275 ] = PR_sched_getattr,
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[ 276 ] = PR_renameat2,
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[ 291 ] = PR_statx,
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+ [ 435 ] = PR_clone3,
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};
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diff --git a/src/syscall/sysnums-i386.h b/src/syscall/sysnums-i386.h
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index 3bbb70e..0f3daf2 100644
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--- a/src/syscall/sysnums-i386.h
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+++ b/src/syscall/sysnums-i386.h
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@@ -353,4 +353,5 @@ static const Sysnum sysnums_i386[] = {
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[ 353 ] = PR_renameat2,
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[ 383 ] = PR_statx,
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[ 412 ] = PR_utimensat_time64,
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+ [ 435 ] = PR_clone3,
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};
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diff --git a/src/syscall/sysnums-sh4.h b/src/syscall/sysnums-sh4.h
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index 1d3758c..09acca6 100644
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--- a/src/syscall/sysnums-sh4.h
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+++ b/src/syscall/sysnums-sh4.h
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@@ -344,4 +344,5 @@ static const Sysnum sysnums_sh4[] = {
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[ 369 ] = PR_sched_setattr,
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[ 370 ] = PR_sched_getattr,
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[ 371 ] = PR_renameat2,
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+ [ 435 ] = PR_clone3,
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};
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diff --git a/src/syscall/sysnums-x32.h b/src/syscall/sysnums-x32.h
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index 448c699..a9fdb48 100644
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--- a/src/syscall/sysnums-x32.h
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+++ b/src/syscall/sysnums-x32.h
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@@ -277,6 +277,7 @@ static const Sysnum sysnums_x32[] = {
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[ 315 ] = PR_sched_getattr,
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[ 316 ] = PR_renameat2,
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[ 332 ] = PR_statx,
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+ [ 435 ] = PR_clone3,
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[ 439 ] = PR_faccessat2,
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[ 512 ] = PR_rt_sigaction,
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[ 513 ] = PR_rt_sigreturn,
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diff --git a/src/syscall/sysnums-x86_64.h b/src/syscall/sysnums-x86_64.h
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index 92229f8..9840b4a 100644
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--- a/src/syscall/sysnums-x86_64.h
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+++ b/src/syscall/sysnums-x86_64.h
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@@ -319,5 +319,6 @@ static const Sysnum sysnums_x86_64[] = {
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[ 315 ] = PR_sched_getattr,
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[ 316 ] = PR_renameat2,
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[ 332 ] = PR_statx,
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+ [ 435 ] = PR_clone3,
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[ 439 ] = PR_faccessat2,
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};
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diff --git a/src/syscall/sysnums.list b/src/syscall/sysnums.list
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index 1d6e666..2b6c9b2 100644
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--- a/src/syscall/sysnums.list
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+++ b/src/syscall/sysnums.list
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@@ -38,6 +38,7 @@ SYSNUM(clock_gettime)
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SYSNUM(clock_nanosleep)
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SYSNUM(clock_settime)
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SYSNUM(clone)
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+SYSNUM(clone3)
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SYSNUM(close)
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SYSNUM(connect)
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SYSNUM(creat)
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diff --git a/src/tracee/tracee.c b/src/tracee/tracee.c
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index 58ab7df..9b16f6a 100644
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--- a/src/tracee/tracee.c
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+++ b/src/tracee/tracee.c
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@@ -403,6 +403,10 @@ int new_child(Tracee *parent, word_t clone_flags)
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status = fetch_regs(parent);
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if (status >= 0 && get_sysnum(parent, CURRENT) == PR_clone)
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clone_flags = peek_reg(parent, CURRENT, SYSARG_1);
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+ else if (status >= 0 && get_sysnum(parent, CURRENT) == PR_clone3)
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+ // Look at the first word of the clone_args structure, which
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+ // contains the usual clone flags.
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+ clone_flags = peek_word(parent, peek_reg(parent, CURRENT, SYSARG_1));
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/* Get the pid of the parent's new child. */
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status = ptrace(PTRACE_GETEVENTMSG, parent->pid, NULL, &pid);
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base-commit: bd5a5f63d72f8210d8cee76195eb9f0749e5bd70
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--
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2.40.1
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