[PATCH v2 1/5] Load /proc/$pid/comm into tcb

Masatake YAMATO yamato at redhat.com
Tue Aug 24 19:26:39 UTC 2021


From: <yamato at redhat.com>

From: Masatake YAMATO <yamato at redhat.com>

In preparation for the forthcoming -Y,--decode-pids option.

Load the content of /proc/$pid/comm to `comm', a newly introduced
member of tcb.

The loading is done when
A. a tcb is initialized,
B. execve or execveat is called, and
C. prctl(PR_SET_NAME,...) is called.

Limitation: this change is not enough for handling the case that
someone writes a value to /proc/$pid/comm directly.
(e.g. running echo "foo" > /proc/$pid/comm)

* src/defs.h (struct tcb): New member `comm'.
(PROC_COMM_LEN): New definition.
(decode_pids_enabled): New variable declaration.
(maybe_load_task_comm): New function declaration.
* src/strace.c (decode_pids_enabled): New variable definition.  The
loading is done only when this variable is non-zero. In the forthcoming
change, -Y,--decode-pids option controls the value.
(load_task_comm): New function loading the content of
/proc/$pid/comm to `comm' member of tcb.
(maybe_load_pid_comm): New helper function for load_task_comm().
(alloctcb): Call load_task_comm() for initializing the `comm' member.
* src/syscall.c: include <linux/prctl.h> for referring PR_SET_NAME.
(syscall_exiting_decode): Call maybe_load_task_comm().
* src/sysent.h (COMM_CHANGE): New definition.
* src/sysent_shorthand_defs.h (CC): New definition.
* src/sysent_shorthand_undefs.h (CC): Add undef.
* src/linux/32/syscallent.h: Add CC flag to syscalls chaning
/proc/$pid/comm.
* linux/64/syscallent.h: Likewise.
* linux/alpha/syscallent.h: Likewise.
* linux/arm/syscallent.h: Likewise.
* linux/avr32/syscallent.h: Likewise.
* linux/bfin/syscallent.h: Likewise.
* linux/hppa/syscallent.h: Likewise.
* linux/i386/syscallent.h: Likewise.
* linux/ia64/syscallent.h: Likewise.
* linux/m68k/syscallent.h: Likewise.
* linux/microblaze/syscallent.h: Likewise.
* linux/mips/syscallent-n32.h: Likewise.
* linux/mips/syscallent-n64.h: Likewise.
* linux/mips/syscallent-o32.h: Likewise.
* linux/powerpc/syscallent.h: Likewise.
* linux/powerpc64/syscallent.h: Likewise.
* linux/s390/syscallent.h: Likewise.
* linux/s390x/syscallent.h: Likewise.
* linux/sh/syscallent.h: Likewise.
* linux/sh64/syscallent.h: Likewise.
* linux/sparc/syscallent.h: Likewise.
* linux/sparc64/syscallent.h: Likewise.
* linux/x32/syscallent.h: Likewise.
* linux/x86_64/syscallent.h: Likewise.
* linux/xtensa/syscallent.h: Likewise.
* src/filter_seccomp.c (traced_by_seccomp): Force tracing syscalls
marked with `COMM_CHANGE' if `decode_pids_enabled' is set.

Signed-off-by: Masatake YAMATO <yamato at redhat.com>
---
 src/defs.h                        |  5 ++++
 src/filter_seccomp.c              |  3 ++-
 src/linux/32/syscallent.h         |  6 ++---
 src/linux/64/syscallent.h         |  6 ++---
 src/linux/alpha/syscallent.h      |  6 ++---
 src/linux/arm/syscallent.h        |  6 ++---
 src/linux/avr32/syscallent.h      |  6 ++---
 src/linux/bfin/syscallent.h       |  6 ++---
 src/linux/hppa/syscallent.h       |  6 ++---
 src/linux/i386/syscallent.h       |  6 ++---
 src/linux/ia64/syscallent.h       |  6 ++---
 src/linux/m68k/syscallent.h       |  6 ++---
 src/linux/microblaze/syscallent.h |  6 ++---
 src/linux/mips/syscallent-n32.h   |  6 ++---
 src/linux/mips/syscallent-n64.h   |  6 ++---
 src/linux/mips/syscallent-o32.h   |  6 ++---
 src/linux/powerpc/syscallent.h    |  6 ++---
 src/linux/powerpc64/syscallent.h  |  6 ++---
 src/linux/s390/syscallent.h       |  6 ++---
 src/linux/s390x/syscallent.h      |  6 ++---
 src/linux/sh/syscallent.h         |  6 ++---
 src/linux/sh64/syscallent.h       |  6 ++---
 src/linux/sparc/syscallent.h      |  6 ++---
 src/linux/sparc64/syscallent.h    |  6 ++---
 src/linux/x32/syscallent.h        |  6 ++---
 src/linux/x86_64/syscallent.h     |  6 ++---
 src/linux/xtensa/syscallent.h     |  6 ++---
 src/strace.c                      | 39 +++++++++++++++++++++++++++++++
 src/syscall.c                     |  8 +++++++
 src/sysent.h                      |  1 +
 src/sysent_shorthand_defs.h       |  2 ++
 src/sysent_shorthand_undefs.h     |  1 +
 32 files changed, 133 insertions(+), 76 deletions(-)

diff --git a/src/defs.h b/src/defs.h
index b2dcd0350..fa2b98624 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -322,6 +322,9 @@ struct tcb {
 	void *unwind_ctx;
 	struct unwind_queue_t *unwind_queue;
 # endif
+
+# define PROC_COMM_LEN 16
+	char comm[PROC_COMM_LEN];
 };
 
 /* TCB flags */
@@ -532,6 +535,7 @@ extern bool stack_trace_enabled;
 extern unsigned ptrace_setoptions;
 extern unsigned max_strlen;
 extern unsigned os_release;
+extern unsigned decode_pids_enabled;
 # undef KERNEL_VERSION
 # define KERNEL_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
 
@@ -1903,4 +1907,5 @@ print_big_u64_addr(const uint64_t addr)
 #  include "syscall.h"
 # endif
 
+void maybe_load_task_comm(struct tcb *tcp);
 #endif /* !STRACE_DEFS_H */
diff --git a/src/filter_seccomp.c b/src/filter_seccomp.c
index 6c9056c33..b49f979f5 100644
--- a/src/filter_seccomp.c
+++ b/src/filter_seccomp.c
@@ -283,7 +283,8 @@ traced_by_seccomp(unsigned int scno, unsigned int p)
 {
 	unsigned int always_trace_flags =
 		TRACE_INDIRECT_SUBCALL | TRACE_SECCOMP_DEFAULT |
-		(stack_trace_enabled ? MEMORY_MAPPING_CHANGE : 0);
+		(stack_trace_enabled ? MEMORY_MAPPING_CHANGE : 0) |
+		(decode_pids_enabled ? COMM_CHANGE : 0);
 	return sysent_vec[p][scno].sys_flags & always_trace_flags ||
 		is_number_in_set_array(scno, trace_set, p);
 }
diff --git a/src/linux/32/syscallent.h b/src/linux/32/syscallent.h
index 032d365d1..44bb908e1 100644
--- a/src/linux/32/syscallent.h
+++ b/src/linux/32/syscallent.h
@@ -179,7 +179,7 @@
 [164] = { 2,	0,		SEN(setrlimit),			"setrlimit"		},
 [165] = { 2,	0,		SEN(getrusage),			"getrusage"		},
 [166] = { 1,	NF,		SEN(umask),			"umask"			},
-[167] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[167] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [168] = { 3,	0,		SEN(getcpu),			"getcpu"		},
 /* [169] gettimeofday */
 /* [170] settimeofday */
@@ -233,7 +233,7 @@
 [218] = { 4,	0,		SEN(request_key),		"request_key"		},
 [219] = { 5,	0,		SEN(keyctl),			"keyctl"		},
 [220] = { 5,	TP,		SEN(clone),			"clone"			},
-[221] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[221] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [222] = { 6,	TD|TM|SI,	SEN(ARCH_mmap),			"mmap2"			},
 [223] = { 6,	TD,		SEN(fadvise64_64),		"fadvise64_64"		},
 [224] = { 2,	TF,		SEN(swapon),			"swapon"		},
@@ -278,7 +278,7 @@
 [278] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [279] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [280] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[281] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[281] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [282] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [283] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [284] = { 3,	TM,		SEN(mlock2),			"mlock2"		},
diff --git a/src/linux/64/syscallent.h b/src/linux/64/syscallent.h
index 7ddc83a9a..1463d1974 100644
--- a/src/linux/64/syscallent.h
+++ b/src/linux/64/syscallent.h
@@ -172,7 +172,7 @@
 [164] = { 2,	0,		SEN(setrlimit),			"setrlimit"		},
 [165] = { 2,	0,		SEN(getrusage),			"getrusage"		},
 [166] = { 1,	NF,		SEN(umask),			"umask"			},
-[167] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[167] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [168] = { 3,	0,		SEN(getcpu),			"getcpu"		},
 [169] = { 2,	TCL,		SEN(gettimeofday),		"gettimeofday"		},
 [170] = { 2,	TCL,		SEN(settimeofday),		"settimeofday"		},
@@ -226,7 +226,7 @@
 [218] = { 4,	0,		SEN(request_key),		"request_key"		},
 [219] = { 5,	0,		SEN(keyctl),			"keyctl"		},
 [220] = { 5,	TP,		SEN(clone),			"clone"			},
-[221] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[221] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [222] = { 6,	TD|TM|SI,	SEN(mmap),			"mmap"			},
 [223] = { 4,	TD,		SEN(fadvise64),			"fadvise64"		},
 [224] = { 2,	TF,		SEN(swapon),			"swapon"		},
@@ -271,7 +271,7 @@
 [278] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [279] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [280] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[281] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[281] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [282] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [283] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [284] = { 3,	TM,		SEN(mlock2),			"mlock2"		},
diff --git a/src/linux/alpha/syscallent.h b/src/linux/alpha/syscallent.h
index f9e971ed3..87cbe59bd 100644
--- a/src/linux/alpha/syscallent.h
+++ b/src/linux/alpha/syscallent.h
@@ -66,7 +66,7 @@
 [ 56] = { 5,	0,		SEN(printargs),			"osf_revoke"		}, /* not implemented */
 [ 57] = { 2,	TF,		SEN(symlink),			"symlink"		},
 [ 58] = { 3,	TF,		SEN(readlink),			"readlink"		},
-[ 59] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 59] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 60] = { 1,	NF,		SEN(umask),			"umask"			},
 [ 61] = { 1,	TF,		SEN(chroot),			"chroot"		},
 [ 62] = { 5,	TD|TFST|TSTA,	SEN(printargs),			"osf_old_fstat"		}, /* not implemented */
@@ -292,7 +292,7 @@
 [345] = { 5,	0,		SEN(printargs),			"pciconfig_read"	},
 [346] = { 5,	0,		SEN(printargs),			"pciconfig_write"	},
 [347] = { 5,	0,		SEN(query_module),		"query_module"		}, /* not implemented */
-[348] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[348] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [349] = { 4,	TD,		SEN(pread),			"pread64"		},
 [350] = { 4,	TD,		SEN(pwrite),			"pwrite64"		},
 [351] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
@@ -456,7 +456,7 @@
 [510] = { 5,	TD|TF,		SEN(renameat2),			"renameat2"		},
 [511] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [512] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
-[513] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[513] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [514] = { 3,	0,		SEN(seccomp),			"seccomp"		},
 [515] = { 3,	TD,		SEN(bpf),			"bpf"			},
 [516] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
diff --git a/src/linux/arm/syscallent.h b/src/linux/arm/syscallent.h
index 4fd351305..2086308a2 100644
--- a/src/linux/arm/syscallent.h
+++ b/src/linux/arm/syscallent.h
@@ -18,7 +18,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 1,	TCL,		SEN(time),			"time"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -179,7 +179,7 @@
 [169] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [170] = { 3,	TC,		SEN(setresgid16),		"setresgid"		},
 [171] = { 3,	TC,		SEN(getresgid16),		"getresgid"		},
-[172] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[172] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [173] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [174] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [175] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -394,7 +394,7 @@
 [384] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [385] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [386] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[387] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[387] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [388] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [389] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [390] = { 3,	TM,		SEN(mlock2),			"mlock2"		},
diff --git a/src/linux/avr32/syscallent.h b/src/linux/avr32/syscallent.h
index 5d4624abe..104044e5f 100644
--- a/src/linux/avr32/syscallent.h
+++ b/src/linux/avr32/syscallent.h
@@ -17,7 +17,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 1,	TCL,		SEN(time),			"time"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -154,7 +154,7 @@
 [145] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [146] = { 3,	TC,		SEN(setresgid),			"setresgid"		},
 [147] = { 3,	TC,		SEN(getresgid),			"getresgid"		},
-[148] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[148] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [149] = { 3,	TN,		SEN(socket),			"socket"		},
 [150] = { 3,	TN,		SEN(bind),			"bind"			},
 [151] = { 3,	TN,		SEN(connect),			"connect"		},
@@ -326,7 +326,7 @@
 [317] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [318] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [319] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[320] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[320] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [321] = { 4,	TN,		SEN(accept4),			"accept4"		},
 [322] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [323] = { 3,	0,		SEN(membarrier),		"membarrier"		},
diff --git a/src/linux/bfin/syscallent.h b/src/linux/bfin/syscallent.h
index 16287d085..05720b4f9 100644
--- a/src/linux/bfin/syscallent.h
+++ b/src/linux/bfin/syscallent.h
@@ -18,7 +18,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 1,	TCL,		SEN(time),			"time"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -179,7 +179,7 @@
 [169] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [170] = { 3,	TC,		SEN(setresgid16),		"setresgid"		},
 [171] = { 3,	TC,		SEN(getresgid16),		"getresgid"		},
-[172] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[172] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [173] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [174] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [175] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -398,4 +398,4 @@
 [389] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [390] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [391] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[392] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[392] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
diff --git a/src/linux/hppa/syscallent.h b/src/linux/hppa/syscallent.h
index 10bda1d8c..a7dd57ce9 100644
--- a/src/linux/hppa/syscallent.h
+++ b/src/linux/hppa/syscallent.h
@@ -14,7 +14,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 1,	TCL,		SEN(time),			"time"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -175,7 +175,7 @@
 [169] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [170] = { 3,	TC,		SEN(setresgid),			"setresgid"		},
 [171] = { 3,	TC,		SEN(getresgid),			"getresgid"		},
-[172] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[172] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [173] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [174] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [175] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -345,7 +345,7 @@
 [339] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [340] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [341] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[342] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[342] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [343] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [344] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [345] = { 3,	TM,		SEN(mlock2),			"mlock2"		},
diff --git a/src/linux/i386/syscallent.h b/src/linux/i386/syscallent.h
index 3c4cb9fe4..3553a0575 100644
--- a/src/linux/i386/syscallent.h
+++ b/src/linux/i386/syscallent.h
@@ -18,7 +18,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 1,	TCL,		SEN(time),			"time"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -179,7 +179,7 @@
 [169] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [170] = { 3,	TC,		SEN(setresgid16),		"setresgid"		},
 [171] = { 3,	TC,		SEN(getresgid16),		"getresgid"		},
-[172] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[172] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [173] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [174] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [175] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -364,7 +364,7 @@
 [355] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [356] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [357] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[358] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[358] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [359] = { 3,	TN,		SEN(socket),			"socket"		},
 [360] = { 4,	TN,		SEN(socketpair),		"socketpair"		},
 [361] = { 3,	TN,		SEN(bind),			"bind"			},
diff --git a/src/linux/ia64/syscallent.h b/src/linux/ia64/syscallent.h
index b002c8341..912e9a2a9 100644
--- a/src/linux/ia64/syscallent.h
+++ b/src/linux/ia64/syscallent.h
@@ -29,7 +29,7 @@
 [BASE_NR +   6] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [BASE_NR +   7] = { 2,	TF,		SEN(link),			"link"			},
 [BASE_NR +   8] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[BASE_NR +   9] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[BASE_NR +   9] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [BASE_NR +  10] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [BASE_NR +  11] = { 1,	TD,		SEN(fchdir),			"fchdir"		},
 [BASE_NR +  12] = { 2,	TF,		SEN(utimes),			"utimes"		},
@@ -166,7 +166,7 @@
 [BASE_NR + 143] = { 2,	0,		SEN(sched_rr_get_interval_time64),"sched_rr_get_interval"},
 [BASE_NR + 144] = { 2,	0,		SEN(nanosleep_time64),		"nanosleep"		},
 [BASE_NR + 145] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
-[BASE_NR + 146] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[BASE_NR + 146] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [BASE_NR + 147] = { 0,	PU|NF,		SEN(getpagesize),		"old_getpagesize"	},
 [BASE_NR + 148] = { 6,	TD|TM|SI,	SEN(mmap_pgoff),		"mmap2"			},
 [BASE_NR + 149] = { 5,	0,		SEN(printargs),			"pciconfig_read"	},
@@ -338,7 +338,7 @@
 [BASE_NR + 315] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [BASE_NR + 316] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [BASE_NR + 317] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[BASE_NR + 318] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[BASE_NR + 318] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [BASE_NR + 319] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [BASE_NR + 320] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [BASE_NR + 321] = { 5,	0,		SEN(kcmp),			"kcmp"			},
diff --git a/src/linux/m68k/syscallent.h b/src/linux/m68k/syscallent.h
index 67f66d719..3abd77b0c 100644
--- a/src/linux/m68k/syscallent.h
+++ b/src/linux/m68k/syscallent.h
@@ -18,7 +18,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 1,	TCL,		SEN(time),			"time"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -179,7 +179,7 @@
 [169] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [170] = { 3,	TC,		SEN(setresgid16),		"setresgid"		},
 [171] = { 3,	TC,		SEN(getresgid16),		"getresgid"		},
-[172] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[172] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [173] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [174] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [175] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -361,7 +361,7 @@
 [352] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [353] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [354] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[355] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[355] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [356] = { 3,	TN,		SEN(socket),			"socket"		},
 [357] = { 4,	TN,		SEN(socketpair),		"socketpair"		},
 [358] = { 3,	TN,		SEN(bind),			"bind"			},
diff --git a/src/linux/microblaze/syscallent.h b/src/linux/microblaze/syscallent.h
index d3446abdb..15ca048ca 100644
--- a/src/linux/microblaze/syscallent.h
+++ b/src/linux/microblaze/syscallent.h
@@ -18,7 +18,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 1,	TCL,		SEN(time),			"time"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -179,7 +179,7 @@
 [169] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [170] = { 3,	TC,		SEN(setresgid16),		"setresgid"		},
 [171] = { 3,	TC,		SEN(getresgid16),		"getresgid"		},
-[172] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[172] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [173] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [174] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [175] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -394,7 +394,7 @@
 [385] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [386] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [387] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[388] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[388] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [389] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [390] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [391] = { 3,	TM,		SEN(mlock2),			"mlock2"		},
diff --git a/src/linux/mips/syscallent-n32.h b/src/linux/mips/syscallent-n32.h
index 58db21f81..a3e2f1de3 100644
--- a/src/linux/mips/syscallent-n32.h
+++ b/src/linux/mips/syscallent-n32.h
@@ -65,7 +65,7 @@
 [BASE_NR +  54] = { 5,	TN,		SEN(getsockopt),		"getsockopt"		},
 [BASE_NR +  55] = { 5,	TP,		SEN(clone),			"clone"			},
 [BASE_NR +  56] = { 0,	TP,		SEN(fork),			"fork"			},
-[BASE_NR +  57] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[BASE_NR +  57] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [BASE_NR +  58] = { 1,	TP|SE,		SEN(exit),			"exit"			},
 [BASE_NR +  59] = { 4,	TP,		SEN(wait4),			"wait4"			},
 [BASE_NR +  60] = { 2,	TS|TP,		SEN(kill),			"kill"			},
@@ -161,7 +161,7 @@
 [BASE_NR + 150] = { 0,	0,		SEN(vhangup),			"vhangup"		},
 [BASE_NR + 151] = { 2,	TF,		SEN(pivotroot),			"pivot_root"		},
 [BASE_NR + 152] = { 1,	0,		SEN(sysctl),			"_sysctl"		},
-[BASE_NR + 153] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[BASE_NR + 153] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [BASE_NR + 154] = { 1,	TCL,		SEN(adjtimex32),		"adjtimex"		},
 [BASE_NR + 155] = { 2,	0,		SEN(setrlimit),			"setrlimit"		},
 [BASE_NR + 156] = { 1,	TF,		SEN(chroot),			"chroot"		},
@@ -328,7 +328,7 @@
 [BASE_NR + 317] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [BASE_NR + 318] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [BASE_NR + 319] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[BASE_NR + 320] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[BASE_NR + 320] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [BASE_NR + 321] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [BASE_NR + 322] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [BASE_NR + 323] = { 3,	TM,		SEN(mlock2),			"mlock2"		},
diff --git a/src/linux/mips/syscallent-n64.h b/src/linux/mips/syscallent-n64.h
index dc45447e7..0eb9a4d57 100644
--- a/src/linux/mips/syscallent-n64.h
+++ b/src/linux/mips/syscallent-n64.h
@@ -65,7 +65,7 @@
 [BASE_NR +  54] = { 5,	TN,		SEN(getsockopt),		"getsockopt"		},
 [BASE_NR +  55] = { 5,	TP,		SEN(clone),			"clone"			},
 [BASE_NR +  56] = { 0,	TP,		SEN(fork),			"fork"			},
-[BASE_NR +  57] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[BASE_NR +  57] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [BASE_NR +  58] = { 1,	TP|SE,		SEN(exit),			"exit"			},
 [BASE_NR +  59] = { 4,	TP,		SEN(wait4),			"wait4"			},
 [BASE_NR +  60] = { 2,	TS|TP,		SEN(kill),			"kill"			},
@@ -161,7 +161,7 @@
 [BASE_NR + 150] = { 0,	0,		SEN(vhangup),			"vhangup"		},
 [BASE_NR + 151] = { 2,	TF,		SEN(pivotroot),			"pivot_root"		},
 [BASE_NR + 152] = { 1,	0,		SEN(sysctl),			"_sysctl"		},
-[BASE_NR + 153] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[BASE_NR + 153] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [BASE_NR + 154] = { 1,	TCL,		SEN(adjtimex64),		"adjtimex"		},
 [BASE_NR + 155] = { 2,	0,		SEN(setrlimit),			"setrlimit"		},
 [BASE_NR + 156] = { 1,	TF,		SEN(chroot),			"chroot"		},
@@ -324,7 +324,7 @@
 [BASE_NR + 313] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [BASE_NR + 314] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [BASE_NR + 315] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[BASE_NR + 316] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[BASE_NR + 316] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [BASE_NR + 317] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [BASE_NR + 318] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [BASE_NR + 319] = { 3,	TM,		SEN(mlock2),			"mlock2"		},
diff --git a/src/linux/mips/syscallent-o32.h b/src/linux/mips/syscallent-o32.h
index a8e83178e..61eb35dfe 100644
--- a/src/linux/mips/syscallent-o32.h
+++ b/src/linux/mips/syscallent-o32.h
@@ -20,7 +20,7 @@
 [BASE_NR +   8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [BASE_NR +   9] = { 2,	TF,		SEN(link),			"link"			},
 [BASE_NR +  10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[BASE_NR +  11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[BASE_NR +  11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [BASE_NR +  12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [BASE_NR +  13] = { 1,	TCL,		SEN(time),			"time"			},
 [BASE_NR +  14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -201,7 +201,7 @@
 [BASE_NR + 189] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [BASE_NR + 190] = { 3,	TC,		SEN(setresgid),			"setresgid"		},
 [BASE_NR + 191] = { 3,	TC,		SEN(getresgid),			"getresgid"		},
-[BASE_NR + 192] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[BASE_NR + 192] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [BASE_NR + 193] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [BASE_NR + 194] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [BASE_NR + 195] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -365,7 +365,7 @@
 [BASE_NR + 353] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [BASE_NR + 354] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [BASE_NR + 355] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[BASE_NR + 356] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[BASE_NR + 356] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [BASE_NR + 357] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [BASE_NR + 358] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [BASE_NR + 359] = { 3,	TM,		SEN(mlock2),			"mlock2"		},
diff --git a/src/linux/powerpc/syscallent.h b/src/linux/powerpc/syscallent.h
index 98b29e5e8..c8f954be4 100644
--- a/src/linux/powerpc/syscallent.h
+++ b/src/linux/powerpc/syscallent.h
@@ -18,7 +18,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 1,	TCL,		SEN(time),			"time"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -178,7 +178,7 @@
 [168] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [169] = { 3,	TC,		SEN(setresgid),			"setresgid"		},
 [170] = { 3,	TC,		SEN(getresgid),			"getresgid"		},
-[171] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[171] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [172] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [173] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [174] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -369,7 +369,7 @@
 [359] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [360] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [361] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[362] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[362] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [363] = { 0,	0,		SEN(printargs),			"switch_endian"		},
 [364] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [365] = { 3,	0,		SEN(membarrier),		"membarrier"		},
diff --git a/src/linux/powerpc64/syscallent.h b/src/linux/powerpc64/syscallent.h
index a5035cb31..64f4c3ad5 100644
--- a/src/linux/powerpc64/syscallent.h
+++ b/src/linux/powerpc64/syscallent.h
@@ -18,7 +18,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 1,	TCL,		SEN(time),			"time"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -178,7 +178,7 @@
 [168] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [169] = { 3,	TC,		SEN(setresgid),			"setresgid"		},
 [170] = { 3,	TC,		SEN(getresgid),			"getresgid"		},
-[171] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[171] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [172] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [173] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [174] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -364,7 +364,7 @@
 [359] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [360] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [361] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[362] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[362] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [363] = { 0,	0,		SEN(printargs),			"switch_endian"		},
 [364] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [365] = { 3,	0,		SEN(membarrier),		"membarrier"		},
diff --git a/src/linux/s390/syscallent.h b/src/linux/s390/syscallent.h
index 5b83b3d15..a808c7b5b 100644
--- a/src/linux/s390/syscallent.h
+++ b/src/linux/s390/syscallent.h
@@ -20,7 +20,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 1,	TCL,		SEN(time),			"time"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -181,7 +181,7 @@
 [169] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [170] = { 3,	TC,		SEN(setresgid16),		"setresgid"		},
 [171] = { 3,	TC,		SEN(getresgid16),		"getresgid"		},
-[172] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[172] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [173] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [174] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [175] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -363,7 +363,7 @@
 [351] = { 3,	TD,		SEN(bpf),			"bpf"			},
 [352] = { 3,	0,		SEN(s390_pci_mmio_write),	"s390_pci_mmio_write"	},
 [353] = { 3,	0,		SEN(s390_pci_mmio_read),	"s390_pci_mmio_read"	},
-[354] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[354] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [355] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [356] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [357] = { 5,	TN,		SEN(recvmmsg_time32),		"recvmmsg"		},
diff --git a/src/linux/s390x/syscallent.h b/src/linux/s390x/syscallent.h
index d64141075..90bf993b7 100644
--- a/src/linux/s390x/syscallent.h
+++ b/src/linux/s390x/syscallent.h
@@ -19,7 +19,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { },
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -170,7 +170,7 @@
 [168] = { 3,	TD,		SEN(poll_time64),		"poll"			},
 [169] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [170 ... 171] = { },
-[172] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[172] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [173] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [174] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [175] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -347,7 +347,7 @@
 [351] = { 3,	TD,		SEN(bpf),			"bpf"			},
 [352] = { 3,	0,		SEN(s390_pci_mmio_write),	"s390_pci_mmio_write"	},
 [353] = { 3,	0,		SEN(s390_pci_mmio_read),	"s390_pci_mmio_read"	},
-[354] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[354] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [355] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [356] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [357] = { 5,	TN,		SEN(recvmmsg_time64),		"recvmmsg"		},
diff --git a/src/linux/sh/syscallent.h b/src/linux/sh/syscallent.h
index 64f3d6f1f..c238f0400 100644
--- a/src/linux/sh/syscallent.h
+++ b/src/linux/sh/syscallent.h
@@ -20,7 +20,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 1,	TCL,		SEN(time),			"time"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -181,7 +181,7 @@
 [169] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [170] = { 3,	TC,		SEN(setresgid16),		"setresgid"		},
 [171] = { 3,	TC,		SEN(getresgid16),		"getresgid"		},
-[172] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[172] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [173] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [174] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [175] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -382,7 +382,7 @@
 [373] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [374] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [375] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[376] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[376] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [377] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [378] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [379] = { 3,	TM,		SEN(mlock2),			"mlock2"		},
diff --git a/src/linux/sh64/syscallent.h b/src/linux/sh64/syscallent.h
index 94e6cea3a..f33504235 100644
--- a/src/linux/sh64/syscallent.h
+++ b/src/linux/sh64/syscallent.h
@@ -18,7 +18,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 11] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 1,	TCL,		SEN(time),			"time"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -179,7 +179,7 @@
 [169] = { 3,	0,		SEN(nfsservctl),		"nfsservctl"		},
 [170] = { 3,	TC,		SEN(setresgid16),		"setresgid"		},
 [171] = { 3,	TC,		SEN(getresgid16),		"getresgid"		},
-[172] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[172] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [173] = { 0,	TS,		SEN(rt_sigreturn),		"rt_sigreturn"		},
 [174] = { 4,	TS,		SEN(rt_sigaction),		"rt_sigaction"		},
 [175] = { 4,	TS,		SEN(rt_sigprocmask),		"rt_sigprocmask"	},
@@ -391,7 +391,7 @@
 [384] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [385] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [386] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[387] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[387] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [388] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [389] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [390] = { 3,	TM,		SEN(mlock2),			"mlock2"		},
diff --git a/src/linux/sparc/syscallent.h b/src/linux/sparc/syscallent.h
index e3321f448..051a5b964 100644
--- a/src/linux/sparc/syscallent.h
+++ b/src/linux/sparc/syscallent.h
@@ -64,7 +64,7 @@
 [ 56] = { 6,	TD|TM|SI,	SEN(mmap_4koff),		"mmap2"			},
 [ 57] = { 2,	TF,		SEN(symlink),			"symlink"		},
 [ 58] = { 3,	TF,		SEN(readlink),			"readlink"		},
-[ 59] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 59] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 60] = { 1,	NF,		SEN(umask),			"umask"			},
 [ 61] = { 1,	TF,		SEN(chroot),			"chroot"		},
 [ 62] = { 2,	TD|TFST|TSTA,	SEN(fstat),			"fstat"			},
@@ -152,7 +152,7 @@
 [144] = { 2,	0,		SEN(getrlimit),			"getrlimit"		},
 [145] = { 2,	0,		SEN(setrlimit),			"setrlimit"		},
 [146] = { 2,	TF,		SEN(pivotroot),			"pivot_root"		},
-[147] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[147] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [148] = { 5,	0,		SEN(printargs),			"pciconfig_read"	},
 [149] = { 5,	0,		SEN(printargs),			"pciconfig_write"	},
 [150] = { 3,	TN,		SEN(getsockname),		"getsockname"		},
@@ -355,7 +355,7 @@
 [347] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [348] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [349] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[350] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[350] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [351] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [352] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [353] = { 3,	TN,		SEN(bind),			"bind"			},
diff --git a/src/linux/sparc64/syscallent.h b/src/linux/sparc64/syscallent.h
index 94471f0c7..246343375 100644
--- a/src/linux/sparc64/syscallent.h
+++ b/src/linux/sparc64/syscallent.h
@@ -16,7 +16,7 @@
 [  8] = { 2,	TD|TF,		SEN(creat),			"creat"			},
 [  9] = { 2,	TF,		SEN(link),			"link"			},
 [ 10] = { 1,	TF,		SEN(unlink),			"unlink"		},
-[ 11] = { 2,	TF|TP|TSD|SE|SI,	SEN(execv),			"execv"			},
+[ 11] = { 2,	CC|TF|TP|TSD|SE|SI,	SEN(execv),			"execv"			},
 [ 12] = { 1,	TF,		SEN(chdir),			"chdir"			},
 [ 13] = { 3,	TF,		SEN(chown),			"chown"			},
 [ 14] = { 3,	TF,		SEN(mknod),			"mknod"			},
@@ -150,7 +150,7 @@
 [144] = { 2,	0,		SEN(getrlimit),			"getrlimit"		},
 [145] = { 2,	0,		SEN(setrlimit),			"setrlimit"		},
 [146] = { 2,	TF,		SEN(pivotroot),			"pivot_root"		},
-[147] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[147] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [148] = { 5,	0,		SEN(printargs),			"pciconfig_read"	},
 [149] = { 5,	0,		SEN(printargs),			"pciconfig_write"	},
 [150] = { 3,	TN,		SEN(getsockname),		"getsockname"		},
@@ -353,7 +353,7 @@
 [347] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [348] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [349] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[350] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[350] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [351] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [352] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [353] = { 3,	TN,		SEN(bind),			"bind"			},
diff --git a/src/linux/x32/syscallent.h b/src/linux/x32/syscallent.h
index 38d70ad29..e821ab1fa 100644
--- a/src/linux/x32/syscallent.h
+++ b/src/linux/x32/syscallent.h
@@ -162,7 +162,7 @@
 [154] = { 3,	0,		SEN(modify_ldt),		"modify_ldt"		},
 [155] = { 2,	TF,		SEN(pivotroot),			"pivot_root"		},
 [156] = { 1,	0,		SEN(printargs),			"_sysctl#64"		},
-[157] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[157] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [158] = { 2,	0,		SEN(arch_prctl),		"arch_prctl"		},
 [159] = { 1,	TCL,		SEN(adjtimex64),		"adjtimex"		},
 [160] = { 2,	0,		SEN(setrlimit),			"setrlimit"		},
@@ -354,7 +354,7 @@
 [517] = { 6,	CST|TN,		SEN(recvfrom),			"recvfrom"		},
 [518] = { 3,	CST|TN,		SEN(sendmsg),			"sendmsg"		},
 [519] = { 3,	CST|TN,		SEN(recvmsg),			"recvmsg"		},
-[520] = { 3,	CST|TF|TP|TSD|SE|SI,SEN(execve),			"execve"		},
+[520] = { 3,	CC|CST|TF|TP|TSD|SE|SI,SEN(execve),			"execve"		},
 [521] = { 4,	CST,		SEN(ptrace),			"ptrace"		},
 [522] = { 2,	CST|TS,		SEN(rt_sigpending),		"rt_sigpending"		},
 [523] = { 4,	CST|TS,		SEN(rt_sigtimedwait_time64),	"rt_sigtimedwait"	},
@@ -379,6 +379,6 @@
 [542] = { 5,	CST|TN,		SEN(getsockopt),		"getsockopt"		},
 [543] = { 2,	CST|TM,		SEN(io_setup),			"io_setup"		},
 [544] = { 3,	CST,		SEN(io_submit),			"io_submit"		},
-[545] = { 5,	CST|TD|TF|TP|TSD|SE|SI,	SEN(execveat),		"execveat"		},
+[545] = { 5,	CST|CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),		"execveat"		},
 [546] = { 5,	TD,		SEN(preadv2),			"preadv2"		},
 [547] = { 5,	TD,		SEN(pwritev2),			"pwritev2"		},
diff --git a/src/linux/x86_64/syscallent.h b/src/linux/x86_64/syscallent.h
index b6eb3d3d3..9fd1e3f22 100644
--- a/src/linux/x86_64/syscallent.h
+++ b/src/linux/x86_64/syscallent.h
@@ -64,7 +64,7 @@
 [ 56] = { 5,	TP,		SEN(clone),			"clone"			},
 [ 57] = { 0,	TP,		SEN(fork),			"fork"			},
 [ 58] = { 0,	TP,		SEN(vfork),			"vfork"			},
-[ 59] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[ 59] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [ 60] = { 1,	TP|SE,		SEN(exit),			"exit"			},
 [ 61] = { 4,	TP,		SEN(wait4),			"wait4"			},
 [ 62] = { 2,	TS|TP,		SEN(kill),			"kill"			},
@@ -162,7 +162,7 @@
 [154] = { 3,	0,		SEN(modify_ldt),		"modify_ldt"		},
 [155] = { 2,	TF,		SEN(pivotroot),			"pivot_root"		},
 [156] = { 1,	0,		SEN(sysctl),			"_sysctl"		},
-[157] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[157] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [158] = { 2,	0,		SEN(arch_prctl),		"arch_prctl"		},
 [159] = { 1,	TCL,		SEN(adjtimex64),		"adjtimex"		},
 [160] = { 2,	0,		SEN(setrlimit),			"setrlimit"		},
@@ -327,7 +327,7 @@
 [319] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [320] = { 5,	TD,		SEN(kexec_file_load),		"kexec_file_load"	},
 [321] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[322] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[322] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [323] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [324] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [325] = { 3,	TM,		SEN(mlock2),			"mlock2"		},
diff --git a/src/linux/xtensa/syscallent.h b/src/linux/xtensa/syscallent.h
index eb6425d53..09fed329c 100644
--- a/src/linux/xtensa/syscallent.h
+++ b/src/linux/xtensa/syscallent.h
@@ -117,7 +117,7 @@
 [114] = { 4,	TD|TN,		SEN(sendfile64),		"sendfile64"		},
 [115] = { 4,	TN,		SEN(sendmmsg),			"sendmmsg"		},
 [116] = { 5,	TP,		SEN(clone),			"clone"			},
-[117] = { 3,	TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
+[117] = { 3,	CC|TF|TP|TSD|SE|SI,	SEN(execve),			"execve"		},
 [118] = { 1,	TP|SE,		SEN(exit),			"exit"			},
 [119] = { 1,	TP|SE,		SEN(exit),			"exit_group"		},
 [120] = { 0,	PU|NF,		SEN(getpid),			"getpid"		},
@@ -130,7 +130,7 @@
 [127] = { 0,	PU|NF,		SEN(gettid),			"gettid"		},
 [128] = { 0,	0,		SEN(setsid),			"setsid"		},
 [129] = { 1,	0,		SEN(getsid),			"getsid"		},
-[130] = { 5,	TC,		SEN(prctl),			"prctl"			},
+[130] = { 5,	CC|TC,		SEN(prctl),			"prctl"			},
 [131] = { 1,	NF,		SEN(personality),		"personality"		},
 [132] = { 2,	0,		SEN(getpriority),		"getpriority"		},
 [133] = { 3,	0,		SEN(setpriority),		"setpriority"		},
@@ -336,7 +336,7 @@
 [338] = { 3,	0,		SEN(getrandom),			"getrandom"		},
 [339] = { 2,	TD,		SEN(memfd_create),		"memfd_create"		},
 [340] = { 3,	TD,		SEN(bpf),			"bpf"			},
-[341] = { 5,	TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
+[341] = { 5,	CC|TD|TF|TP|TSD|SE|SI,	SEN(execveat),			"execveat"		},
 [342] = { 1,	TD,		SEN(userfaultfd),		"userfaultfd"		},
 [343] = { 3,	0,		SEN(membarrier),		"membarrier"		},
 [344] = { 3,	TM,		SEN(mlock2),			"mlock2"		},
diff --git a/src/strace.c b/src/strace.c
index fb42fe97d..fd230a263 100644
--- a/src/strace.c
+++ b/src/strace.c
@@ -52,6 +52,10 @@ extern char *optarg;
 bool stack_trace_enabled;
 #endif
 
+/* if this is non-zero 
+ * print the process names read from /proc/$pid/comm files */
+unsigned decode_pids_enabled;
+
 #define my_tkill(tid, sig) syscall(__NR_tkill, (tid), (sig))
 
 /* Glue for systems without a MMU that cannot provide fork() */
@@ -905,6 +909,40 @@ expand_tcbtab(void)
 		*tcb_ptr = newtcbs;
 }
 
+/* load the contenst of /proc/$pid/comm into $buf. */
+static void
+load_pid_comm(int pid, char *buf, size_t buf_size)
+{
+	static const char comm_path[] = "/proc/%d/comm";
+	char procfile[sizeof(comm_path) + sizeof(int) * 3];
+
+	if (buf_size == 0)
+		return;
+
+	buf [0] = '\0';
+
+	xsprintf(procfile, comm_path, pid);
+	FILE *fp = fopen_stream(procfile, "r");
+	if (!fp)
+		return;
+
+	if (fgets(buf, buf_size, fp)) {
+		/* Trim the last newline. */
+		char *nl = strrchr(buf, '\n');
+		if (nl)
+			*nl = '\0';
+	}
+	fclose(fp);
+}
+
+void
+maybe_load_task_comm(struct tcb *tcp)
+{
+	if (!decode_pids_enabled)
+		return;
+	load_pid_comm(get_proc_pid(tcp), tcp->comm, sizeof(tcp->comm));
+}
+
 static struct tcb *
 alloctcb(int pid)
 {
@@ -920,6 +958,7 @@ alloctcb(int pid)
 			memset(tcp, 0, sizeof(*tcp));
 			list_init(&tcp->wait_list);
 			tcp->pid = pid;
+			maybe_load_task_comm(tcp);
 #if SUPPORTED_PERSONALITIES > 1
 			tcp->currpers = current_personality;
 #endif
diff --git a/src/syscall.c b/src/syscall.c
index eb068c2c4..a5bb1d3c9 100644
--- a/src/syscall.c
+++ b/src/syscall.c
@@ -29,6 +29,9 @@
 /* for struct iovec */
 #include <sys/uio.h>
 
+/* for PR_SET_NAME */
+#include <linux/prctl.h>
+
 /* for __X32_SYSCALL_BIT */
 #include "scno.h"
 
@@ -739,6 +742,11 @@ syscall_exiting_decode(struct tcb *tcp, struct timespec *pts)
 	if (tcp_sysent(tcp)->sys_flags & MEMORY_MAPPING_CHANGE)
 		mmap_notify_report(tcp);
 
+	if ((tcp_sysent(tcp)->sys_flags & COMM_CHANGE)
+	    && ((tcp_sysent(tcp)->sen == SEN_prctl && tcp->u_arg[0] == PR_SET_NAME)
+		|| tcp_sysent(tcp)->sen != SEN_prctl))
+		maybe_load_task_comm(tcp);
+
 	if (filtered(tcp))
 		return 0;
 
diff --git a/src/sysent.h b/src/sysent.h
index f45a00baf..d9d4b187f 100644
--- a/src/sysent.h
+++ b/src/sysent.h
@@ -39,5 +39,6 @@ typedef struct sysent {
 # define TRACE_SECCOMP_DEFAULT		004000000	/* Syscall is traced by seccomp filter by default. */
 # define TRACE_CREDS			010000000	/* Trace process credentials-related syscalls. */
 # define TRACE_CLOCK			020000000	/* Trace syscalls reading or modifying system clocks. */
+# define COMM_CHANGE			040000000	/* /proc/$pid/comm is updated. */
 
 #endif /* !STRACE_SYSENT_H */
diff --git a/src/sysent_shorthand_defs.h b/src/sysent_shorthand_defs.h
index 5b4d87dbf..4cf65342a 100644
--- a/src/sysent_shorthand_defs.h
+++ b/src/sysent_shorthand_defs.h
@@ -30,6 +30,7 @@
 # define TSD	0
 # define TC	0
 # define TCL	0
+# define CC     0
 # define SEN(a)	0, 0
 
 #else	/*	!STRACE_TESTS_H	*/
@@ -57,6 +58,7 @@
 # define TSD	TRACE_SECCOMP_DEFAULT
 # define TC	TRACE_CREDS
 # define TCL	TRACE_CLOCK
+# define CC	COMM_CHANGE
 /* SEN(a) is defined elsewhere */
 
 #endif
diff --git a/src/sysent_shorthand_undefs.h b/src/sysent_shorthand_undefs.h
index fbc74bc90..b5ce3c6b2 100644
--- a/src/sysent_shorthand_undefs.h
+++ b/src/sysent_shorthand_undefs.h
@@ -28,4 +28,5 @@
 #undef TSD
 #undef TC
 #undef TCL
+#undef CC
 #undef SEN
-- 
2.31.1



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