diff --git a/compel/arch/s390/src/lib/infect.c b/compel/arch/s390/src/lib/infect.c
index 9fad61468..a928c72c3 100644
--- a/compel/arch/s390/src/lib/infect.c
+++ b/compel/arch/s390/src/lib/infect.c
@@ -196,13 +196,13 @@ int get_vx_regs(pid_t pid, user_fpregs_struct_t *fpregs)
 			pr_debug("VXRS registers not supported\n");
 			return 0;
 		}
-		pr_perror("Couldn't get VXRS_LOW\n");
+		pr_perror("Couldn't get VXRS_LOW");
 		return -1;
 	}
 	iov.iov_base = &fpregs->vxrs_high;
 	iov.iov_len = sizeof(fpregs->vxrs_high);
 	if (ptrace(PTRACE_GETREGSET, pid, NT_S390_VXRS_HIGH, &iov) < 0) {
-		pr_perror("Couldn't get VXRS_HIGH\n");
+		pr_perror("Couldn't get VXRS_HIGH");
 		return -1;
 	}
 	fpregs->flags |= USER_FPREGS_VXRS;
@@ -243,7 +243,7 @@ int get_gs_cb(pid_t pid, user_fpregs_struct_t *fpregs)
 			pr_debug("GS_BC not set\n");
 			return 0;
 		}
-		pr_perror("Couldn't get GS_BC\n");
+		pr_perror("Couldn't get GS_BC");
 		return -1;
 	}
 	fpregs->flags |= USER_GS_BC;
@@ -274,7 +274,7 @@ int get_ri_cb(pid_t pid, user_fpregs_struct_t *fpregs)
 			pr_debug("RI_CB not set\n");
 			return 0;
 		default:
-			pr_perror("Couldn't get RI_CB\n");
+			pr_perror("Couldn't get RI_CB");
 			return -1;
 		}
 	}
@@ -386,14 +386,14 @@ int compel_set_task_ext_regs(pid_t pid, user_fpregs_struct_t *ext_regs)
 		iov.iov_base = &ext_regs->vxrs_low;
 		iov.iov_len = sizeof(ext_regs->vxrs_low);
 		if (ptrace(PTRACE_SETREGSET, pid, NT_S390_VXRS_LOW, &iov) < 0) {
-			pr_perror("Couldn't set VXRS_LOW\n");
+			pr_perror("Couldn't set VXRS_LOW");
 			ret = -1;
 		}
 
 		iov.iov_base = &ext_regs->vxrs_high;
 		iov.iov_len = sizeof(ext_regs->vxrs_high);
 		if (ptrace(PTRACE_SETREGSET, pid, NT_S390_VXRS_HIGH, &iov) < 0) {
-			pr_perror("Couldn't set VXRS_HIGH\n");
+			pr_perror("Couldn't set VXRS_HIGH");
 			ret = -1;
 		}
 	}
@@ -402,13 +402,13 @@ int compel_set_task_ext_regs(pid_t pid, user_fpregs_struct_t *ext_regs)
 		iov.iov_base = &ext_regs->gs_cb;
 		iov.iov_len = sizeof(ext_regs->gs_cb);
 		if (ptrace(PTRACE_SETREGSET, pid, NT_S390_GS_CB, &iov) < 0) {
-			pr_perror("Couldn't set GS_CB\n");
+			pr_perror("Couldn't set GS_CB");
 			ret = -1;
 		}
 		iov.iov_base = &ext_regs->gs_bc;
 		iov.iov_len = sizeof(ext_regs->gs_bc);
 		if (ptrace(PTRACE_SETREGSET, pid, NT_S390_GS_BC, &iov) < 0) {
-			pr_perror("Couldn't set GS_BC\n");
+			pr_perror("Couldn't set GS_BC");
 			ret = -1;
 		}
 	}
@@ -417,7 +417,7 @@ int compel_set_task_ext_regs(pid_t pid, user_fpregs_struct_t *ext_regs)
 		iov.iov_base = &ext_regs->ri_cb;
 		iov.iov_len = sizeof(ext_regs->ri_cb);
 		if (ptrace(PTRACE_SETREGSET, pid, NT_S390_RI_CB, &iov) < 0) {
-			pr_perror("Couldn't set RI_CB\n");
+			pr_perror("Couldn't set RI_CB");
 			ret = -1;
 		}
 	}
diff --git a/compel/arch/x86/src/lib/thread_area.c b/compel/arch/x86/src/lib/thread_area.c
index f581496a7..3ff5dc5d4 100644
--- a/compel/arch/x86/src/lib/thread_area.c
+++ b/compel/arch/x86/src/lib/thread_area.c
@@ -64,7 +64,7 @@ int __compel_arch_fetch_thread_area(int tid, struct thread_ctx *th)
 		if (err == -EIO && native_mode)
 			return 0;
 		if (err) {
-			pr_perror("get_thread_area failed for %d\n", tid);
+			pr_perror("get_thread_area failed for %d", tid);
 			return err;
 		}
 	}
diff --git a/criu/arch/x86/kerndat.c b/criu/arch/x86/kerndat.c
index 94c954e1e..cb7a2aa05 100644
--- a/criu/arch/x86/kerndat.c
+++ b/criu/arch/x86/kerndat.c
@@ -224,7 +224,7 @@ int kdat_x86_has_ptrace_fpu_xsave_bug(void)
 		 * waitpid() may end with ECHILD if SIGCHLD == SIG_IGN,
 		 * and the child has stopped already.
 		 */
-		pr_perror("Failed to wait for %s() test\n", __func__);
+		pr_perror("Failed to wait for %s() test", __func__);
 		goto out_kill;
 	}
 
diff --git a/criu/cr-restore.c b/criu/cr-restore.c
index 53eddba6b..6da80f031 100644
--- a/criu/cr-restore.c
+++ b/criu/cr-restore.c
@@ -1224,7 +1224,7 @@ static int wait_exiting_children(void)
 	futex_dec_and_wake(&task_entries->nr_in_progress);
 
 	if (waitid(P_ALL, 0, &info, WEXITED | WNOWAIT)) {
-		pr_perror("Failed to wait\n");
+		pr_perror("Failed to wait");
 		return -1;
 	}
 
diff --git a/criu/fdstore.c b/criu/fdstore.c
index 7c8eb7208..40c4b90cd 100644
--- a/criu/fdstore.c
+++ b/criu/fdstore.c
@@ -93,7 +93,7 @@ int fdstore_add(int fd)
 
 	ret = send_fd(sk, NULL, 0, fd);
 	if (ret) {
-		pr_perror("Can't send fd %d into store\n", fd);
+		pr_perror("Can't send fd %d into store", fd);
 		mutex_unlock(&desc->lock);
 		return -1;
 	}
diff --git a/criu/file-lock.c b/criu/file-lock.c
index 050954cde..f6601c974 100644
--- a/criu/file-lock.c
+++ b/criu/file-lock.c
@@ -479,7 +479,7 @@ static int open_break_cb(int ns_root_fd, struct reg_file_info *rfi, void *arg)
 		close(fd);
 		return -1;
 	} else if (errno != EWOULDBLOCK) {
-		pr_perror("Can't break lease\n");
+		pr_perror("Can't break lease");
 		return -1;
 	}
 	return 0;
@@ -512,7 +512,7 @@ static int set_file_lease(int fd, int type)
 	struct stat st;
 
 	if (fstat(fd, &st)) {
-		pr_perror("Can't get file stat (%i)\n", fd);
+		pr_perror("Can't get file stat (%i)", fd);
 		return -1;
 	}
 
@@ -524,7 +524,7 @@ static int set_file_lease(int fd, int type)
 
 	ret = fcntl(fd, F_SETLEASE, type);
 	if (ret < 0)
-		pr_perror("Can't set lease\n");
+		pr_perror("Can't set lease");
 
 	setfsuid(old_fsuid);
 	return ret;
@@ -589,20 +589,20 @@ static int restore_file_lease(FileLockEntry *fle)
 		signum_fcntl = fcntl(fle->fd, F_GETSIG);
 		signum = signum_fcntl ? signum_fcntl : SIGIO;
 		if (signum_fcntl < 0) {
-			pr_perror("Can't get file i/o signum\n");
+			pr_perror("Can't get file i/o signum");
 			return -1;
 		}
 		if (sigemptyset(&blockmask) ||
 			sigaddset(&blockmask, signum) ||
 			sigprocmask(SIG_BLOCK, &blockmask, &oldmask)) {
-			pr_perror("Can't block file i/o signal\n");
+			pr_perror("Can't block file i/o signal");
 			return -1;
 		}
 
 		ret = restore_breaking_file_lease(fle);
 
 		if (sigprocmask(SIG_SETMASK, &oldmask, NULL)) {
-			pr_perror("Can't restore sigmask\n");
+			pr_perror("Can't restore sigmask");
 			ret = -1;
 		}
 		return ret;
diff --git a/criu/kerndat.c b/criu/kerndat.c
index df7eb070f..21fcb620d 100644
--- a/criu/kerndat.c
+++ b/criu/kerndat.c
@@ -1045,7 +1045,7 @@ static bool kerndat_has_clone3_set_tid(void)
 	if (pid == -1 && errno == EINVAL) {
 		kdat.has_clone3_set_tid = true;
 	} else {
-		pr_perror("Unexpected error from clone3\n");
+		pr_perror("Unexpected error from clone3");
 		return -1;
 	}
 
diff --git a/criu/vdso.c b/criu/vdso.c
index 433a54728..b8a28dd63 100644
--- a/criu/vdso.c
+++ b/criu/vdso.c
@@ -471,12 +471,12 @@ static int vdso_mmap_compat(struct vdso_maps *native,
 		goto out_kill;
 
 	if (kill(pid, SIGCONT)) {
-		pr_perror("Failed to kill(SIGCONT) for compat vdso helper\n");
+		pr_perror("Failed to kill(SIGCONT) for compat vdso helper");
 		goto out_kill;
 	}
 	if (write(fds[1], &compat->vdso_start, sizeof(void *)) !=
 			sizeof(compat->vdso_start)) {
-		pr_perror("Failed write to pipe\n");
+		pr_perror("Failed write to pipe");
 		goto out_kill;
 	}
 	waitpid(pid, &status, WUNTRACED);
diff --git a/test/zdtm/lib/test.c b/test/zdtm/lib/test.c
index e031357ac..e848091c1 100644
--- a/test/zdtm/lib/test.c
+++ b/test/zdtm/lib/test.c
@@ -372,7 +372,7 @@ int test_wait_pre_dump(void)
 
 	if (read(criu_status_in, &ret, sizeof(ret)) != sizeof(ret)) {
 		if (errno != EBADF || !futex_get(&sig_received))
-			pr_perror("Can't wait pre-dump\n");
+			pr_perror("Can't wait pre-dump");
 		return -1;
 	}
 	pr_err("pre-dump\n");
diff --git a/test/zdtm/static/cgroup_ifpriomap.c b/test/zdtm/static/cgroup_ifpriomap.c
index f043b365b..24ed44f14 100644
--- a/test/zdtm/static/cgroup_ifpriomap.c
+++ b/test/zdtm/static/cgroup_ifpriomap.c
@@ -105,7 +105,7 @@ static int read_one_priomap(char *prop_line, struct ifpriomap_t *out)
 
 	out->ifname = malloc(len + 1);
 	if (!out->ifname) {
-		pr_perror("malloc() failed\n");
+		pr_perror("malloc() failed");
 		return -1;
 	}
 
diff --git a/test/zdtm/static/epoll.c b/test/zdtm/static/epoll.c
index ce3b176d3..ed2609a07 100644
--- a/test/zdtm/static/epoll.c
+++ b/test/zdtm/static/epoll.c
@@ -99,7 +99,7 @@ int main(int argc, char *argv[])
 		uint8_t cw = 1, cr;
 
 		if (write(pipes[i].pipefd[1], &cw, sizeof(cw)) != sizeof(cw)) {
-			pr_perror("Unable to write into a pipe\n");
+			pr_perror("Unable to write into a pipe");
 			return 1;
 		}
 
diff --git a/test/zdtm/static/epoll01.c b/test/zdtm/static/epoll01.c
index 0f5a4fda8..23d536123 100644
--- a/test/zdtm/static/epoll01.c
+++ b/test/zdtm/static/epoll01.c
@@ -92,7 +92,7 @@ int main(int argc, char *argv[])
 		uint8_t cw = 1, cr;
 
 		if (write(pipes[i].pipefd[1], &cw, sizeof(cw)) != sizeof(cw)) {
-			pr_perror("Unable to write into a pipe\n");
+			pr_perror("Unable to write into a pipe");
 			return 1;
 		}
 
diff --git a/test/zdtm/static/file_lease00.c b/test/zdtm/static/file_lease00.c
index 8413f831b..226e73abc 100644
--- a/test/zdtm/static/file_lease00.c
+++ b/test/zdtm/static/file_lease00.c
@@ -41,7 +41,7 @@ static int check_lease_type(int fd, int expected_type)
 
 	if (lease_type != expected_type) {
 		if (lease_type < 0)
-			pr_perror("Can't acquire lease type\n");
+			pr_perror("Can't acquire lease type");
 		else
 			pr_err("Mismatched lease type: %i\n", lease_type);
 		return -1;
@@ -64,7 +64,7 @@ int main(int argc, char **argv)
 	}
 	if (fcntl(fd_rd, F_SETLEASE, F_RDLCK) < 0 ||
 		fcntl(fd_wr, F_SETLEASE, F_WRLCK) < 0) {
-		pr_perror("Can't set leases\n");
+		pr_perror("Can't set leases");
 		close_files(fd_rd, fd_wr);
 		return -1;
 	}
diff --git a/test/zdtm/static/file_lease01.c b/test/zdtm/static/file_lease01.c
index 90fa74a1c..047bca705 100644
--- a/test/zdtm/static/file_lease01.c
+++ b/test/zdtm/static/file_lease01.c
@@ -44,7 +44,7 @@ static int check_lease_type(int fd, int expected_type)
 
 	if (lease_type != expected_type) {
 		if (lease_type < 0)
-			pr_perror("Can't acquire lease type\n");
+			pr_perror("Can't acquire lease type");
 		else
 			pr_err("Mismatched lease type: %i\n", lease_type);
 		return -1;
diff --git a/test/zdtm/static/file_lease02.c b/test/zdtm/static/file_lease02.c
index cd7945d31..3afb458f9 100644
--- a/test/zdtm/static/file_lease02.c
+++ b/test/zdtm/static/file_lease02.c
@@ -39,7 +39,7 @@ static int check_lease_type(int fd, int expected_type)
 
 	if (lease_type != expected_type) {
 		if (lease_type < 0)
-			pr_perror("Can't acquire lease type\n");
+			pr_perror("Can't acquire lease type");
 		else
 			pr_err("Mismatched lease type: %i\n", lease_type);
 		return -1;
@@ -54,15 +54,15 @@ static int prepare_file(char *file, int file_type, int break_type)
 
 	fd = open(file, file_type | O_CREAT, 0666);
 	if (fd < 0) {
-		pr_perror("Can't open file (type %i)\n", file_type);
+		pr_perror("Can't open file (type %i)", file_type);
 		return fd;
 	}
 	if (fcntl(fd, F_SETLEASE, lease_type) < 0) {
-		pr_perror("Can't set exclusive lease\n");
+		pr_perror("Can't set exclusive lease");
 		goto err;
 	}
 	if (fcntl(fd, F_SETSIG, BREAK_SIGNUM) < 0) {
-		pr_perror("Can't set signum for file i/o\n");
+		pr_perror("Can't set signum for file i/o");
 		goto err;
 	}
 
@@ -74,7 +74,7 @@ static int prepare_file(char *file, int file_type, int break_type)
 		pr_err("Conflicting lease not found\n");
 		goto err;
 	} else if (errno != EWOULDBLOCK) {
-		pr_perror("Can't break lease\n");
+		pr_perror("Can't break lease");
 		goto err;
 	}
 	return fd;
@@ -114,7 +114,7 @@ int main(int argc, char **argv)
 	if (sigemptyset(&act.sa_mask) ||
 		sigaddset(&act.sa_mask, BREAK_SIGNUM) ||
 		sigaction(BREAK_SIGNUM, &act, NULL)) {
-		pr_perror("Can't set signal action\n");
+		pr_perror("Can't set signal action");
 		fail();
 		return -1;
 	}
diff --git a/test/zdtm/static/file_lease03.c b/test/zdtm/static/file_lease03.c
index 4cde2b655..eeb33d245 100644
--- a/test/zdtm/static/file_lease03.c
+++ b/test/zdtm/static/file_lease03.c
@@ -34,7 +34,7 @@ static int check_lease_type(int fd, int expected_type)
 
 	if (lease_type != expected_type) {
 		if (lease_type < 0)
-			pr_perror("Can't acquire lease type\n");
+			pr_perror("Can't acquire lease type");
 		else
 			pr_err("Mismatched lease type: %i\n", lease_type);
 		return -1;
@@ -49,15 +49,15 @@ static int prepare_file(char *file, int file_type, int break_type)
 
 	fd = open(file, file_type | O_CREAT, 0666);
 	if (fd < 0) {
-		pr_perror("Can't open file (type %i)\n", file_type);
+		pr_perror("Can't open file (type %i)", file_type);
 		return fd;
 	}
 	if (fcntl(fd, F_SETLEASE, lease_type) < 0) {
-		pr_perror("Can't set exclusive lease\n");
+		pr_perror("Can't set exclusive lease");
 		goto err;
 	}
 	if (fcntl(fd, F_SETSIG, BREAK_SIGNUM) < 0) {
-		pr_perror("Can't set signum for file i/o\n");
+		pr_perror("Can't set signum for file i/o");
 		goto err;
 	}
 
@@ -69,7 +69,7 @@ static int prepare_file(char *file, int file_type, int break_type)
 		pr_err("Conflicting lease not found\n");
 		goto err;
 	} else if (errno != EWOULDBLOCK) {
-		pr_perror("Can't break lease\n");
+		pr_perror("Can't break lease");
 		goto err;
 	}
 	return fd;
@@ -92,7 +92,7 @@ int main(int argc, char **argv)
 	if (sigemptyset(&act.sa_mask) ||
 		sigaddset(&act.sa_mask, BREAK_SIGNUM) ||
 		sigaction(BREAK_SIGNUM, &act, NULL)) {
-		pr_perror("Can't set signal action\n");
+		pr_perror("Can't set signal action");
 		return -1;
 	}
 
@@ -114,7 +114,7 @@ int main(int argc, char **argv)
 
 	ret = fd_dup = dup(fd);
 	if (fd_dup < 0) {
-		pr_perror("Can't dup fd\n");
+		pr_perror("Can't dup fd");
 		goto done;
 	}
 
diff --git a/test/zdtm/static/file_lease04.c b/test/zdtm/static/file_lease04.c
index c924f6c5d..10fbc6b2a 100644
--- a/test/zdtm/static/file_lease04.c
+++ b/test/zdtm/static/file_lease04.c
@@ -34,7 +34,7 @@ static int check_lease_type(int fd, int expected_type)
 
 	if (lease_type != expected_type) {
 		if (lease_type < 0)
-			pr_perror("Can't acquire lease type\n");
+			pr_perror("Can't acquire lease type");
 		else
 			pr_err("Mismatched lease type: %i\n", lease_type);
 		return -1;
@@ -49,15 +49,15 @@ static int prepare_file(char *file, int file_type, int break_type)
 
 	fd = open(file, file_type | O_CREAT, 0666);
 	if (fd < 0) {
-		pr_perror("Can't open file (type %i)\n", file_type);
+		pr_perror("Can't open file (type %i)", file_type);
 		return fd;
 	}
 	if (fcntl(fd, F_SETLEASE, lease_type) < 0) {
-		pr_perror("Can't set exclusive lease\n");
+		pr_perror("Can't set exclusive lease");
 		goto err;
 	}
 	if (fcntl(fd, F_SETSIG, BREAK_SIGNUM) < 0) {
-		pr_perror("Can't set signum for file i/o\n");
+		pr_perror("Can't set signum for file i/o");
 		goto err;
 	}
 
@@ -69,7 +69,7 @@ static int prepare_file(char *file, int file_type, int break_type)
 		pr_err("Conflicting lease not found\n");
 		goto err;
 	} else if (errno != EWOULDBLOCK) {
-		pr_perror("Can't break lease\n");
+		pr_perror("Can't break lease");
 		goto err;
 	}
 	return fd;
@@ -92,7 +92,7 @@ int main(int argc, char **argv)
 	if (sigemptyset(&act.sa_mask) ||
 		sigaddset(&act.sa_mask, BREAK_SIGNUM) ||
 		sigaction(BREAK_SIGNUM, &act, NULL)) {
-		pr_perror("Can't set signal action\n");
+		pr_perror("Can't set signal action");
 		return -1;
 	}
 
diff --git a/test/zdtm/static/file_locks06.c b/test/zdtm/static/file_locks06.c
index 780fb07ea..e7f4c6293 100644
--- a/test/zdtm/static/file_locks06.c
+++ b/test/zdtm/static/file_locks06.c
@@ -36,10 +36,10 @@ int init_lock(int *fd, struct flock *lck)
 void cleanup(int *fd)
 {
 	if (close(*fd))
-		pr_perror("Can't close fd\n");
+		pr_perror("Can't close fd");
 
 	if (unlink(filename))
-		pr_perror("Can't unlink file\n");
+		pr_perror("Can't unlink file");
 }
 
 int main(int argc, char **argv)
diff --git a/test/zdtm/static/file_locks07.c b/test/zdtm/static/file_locks07.c
index 2fe169fcf..fcbfbf1d4 100644
--- a/test/zdtm/static/file_locks07.c
+++ b/test/zdtm/static/file_locks07.c
@@ -59,10 +59,10 @@ void cleanup(void)
 
 	for (i = 0; i < FILE_NUM; ++i)
 		if (close(fds[i]))
-			pr_perror("Can't close fd\n");
+			pr_perror("Can't close fd");
 
 	if (unlink(filename))
-		pr_perror("Can't unlink file failed\n");
+		pr_perror("Can't unlink file failed");
 }
 
 int check_file_locks_restored(void)
diff --git a/test/zdtm/static/file_locks08.c b/test/zdtm/static/file_locks08.c
index fea8d9e7e..214c90788 100644
--- a/test/zdtm/static/file_locks08.c
+++ b/test/zdtm/static/file_locks08.c
@@ -38,10 +38,10 @@ int init_file_lock(int *fd, struct flock *lck)
 void cleanup(int *fd)
 {
 	if (close(*fd))
-		pr_perror("Can't close fd\n");
+		pr_perror("Can't close fd");
 
 	if (unlink(filename))
-		pr_perror("Can't unlink file\n");
+		pr_perror("Can't unlink file");
 }
 
 int main(int argc, char **argv)
diff --git a/test/zdtm/static/fpu00.c b/test/zdtm/static/fpu00.c
index 6f2e1c2bf..150b404f2 100644
--- a/test/zdtm/static/fpu00.c
+++ b/test/zdtm/static/fpu00.c
@@ -92,12 +92,12 @@ int main(int argc, char ** argv)
 		void *ret;
 
 		if (pthread_create(&child, NULL, &run_fpu_test, NULL)) {
-			pr_perror("Can't create pthread\n");
+			pr_perror("Can't create pthread");
 			exit(1);
 		}
 
 		if (pthread_join(child, &ret)) {
-			pr_perror("Can't join pthread\n");
+			pr_perror("Can't join pthread");
 			exit(1);
 		}
 
diff --git a/test/zdtm/static/seccomp_filter_threads.c b/test/zdtm/static/seccomp_filter_threads.c
index 63ea4b5bd..f3ca235df 100644
--- a/test/zdtm/static/seccomp_filter_threads.c
+++ b/test/zdtm/static/seccomp_filter_threads.c
@@ -153,7 +153,7 @@ int main(int argc, char ** argv)
 			MAP_ANONYMOUS | MAP_SHARED, -1, 0);
 
 	if (wait_rdy == MAP_FAILED || wait_run == MAP_FAILED) {
-		pr_perror("mmap failed\n");
+		pr_perror("mmap failed");
 		exit(1);
 	}
 
diff --git a/test/zdtm/static/sk-unix-mntns.c b/test/zdtm/static/sk-unix-mntns.c
index 58f63797a..3e480db81 100644
--- a/test/zdtm/static/sk-unix-mntns.c
+++ b/test/zdtm/static/sk-unix-mntns.c
@@ -78,12 +78,12 @@ int main(int argc, char *argv[])
 
 	sk = socket(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0);
 	if (sk < 0) {
-		pr_perror("socket\n");
+		pr_perror("socket");
 		exit(1);
 	}
 	csk = socket(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0);
 	if (csk < 0) {
-		pr_perror("socket\n");
+		pr_perror("socket");
 		exit(1);
 	}
 
@@ -133,7 +133,7 @@ int main(int argc, char *argv[])
 		close(csk);
 		csk = socket(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0);
 		if (csk < 0) {
-			pr_perror("socket\n");
+			pr_perror("socket");
 			exit(1);
 		}
 		if (connect(csk, (struct sockaddr *) &addr, addrlen)) {
diff --git a/test/zdtm/static/sock_peercred.c b/test/zdtm/static/sock_peercred.c
index 069cc52f7..46a3312c5 100644
--- a/test/zdtm/static/sock_peercred.c
+++ b/test/zdtm/static/sock_peercred.c
@@ -53,7 +53,7 @@ static int child_func(void *fd_p)
 
 	/* If sks[1] == fd, the below closes it, but we don't care */
 	if (dup2(sks[0], fd) == -1) {
-		pr_perror("Can't dup fd\n");
+		pr_perror("Can't dup fd");
 		return 1;
 	}
 
@@ -100,7 +100,7 @@ int main(int argc, char **argv)
 	}
 
 	if (wait(&status) == -1 || status) {
-		pr_perror("wait error: status=%d\n", status);
+		pr_perror("wait error: status=%d", status);
 		goto out;
 	}
 
diff --git a/test/zdtm/static/socket-ext.c b/test/zdtm/static/socket-ext.c
index 333fb8ce2..88e70559f 100644
--- a/test/zdtm/static/socket-ext.c
+++ b/test/zdtm/static/socket-ext.c
@@ -108,7 +108,7 @@ int main(int argc, char *argv[])
 	test_waitsig();
 
 	if (unlink(path)) {
-		pr_perror("Unable to remove %s\n", path);
+		pr_perror("Unable to remove %s", path);
 		return 1;
 	}
 	if (rmdir(dir)) {
diff --git a/test/zdtm/static/socket-tcp-close-wait.c b/test/zdtm/static/socket-tcp-close-wait.c
index 3e3462bff..2efa89b17 100644
--- a/test/zdtm/static/socket-tcp-close-wait.c
+++ b/test/zdtm/static/socket-tcp-close-wait.c
@@ -126,7 +126,7 @@ int main(int argc, char **argv)
 
 		close(pfd[1]);
 		if (read(pfd[0], &port, sizeof(port)) != sizeof(port)) {
-			pr_perror("Can't read port\n");
+			pr_perror("Can't read port");
 			return 1;
 		}
 		close(pfd[0]);
diff --git a/test/zdtm/static/socket-tcp-close0.c b/test/zdtm/static/socket-tcp-close0.c
index c23c3d688..a411b6e0d 100644
--- a/test/zdtm/static/socket-tcp-close0.c
+++ b/test/zdtm/static/socket-tcp-close0.c
@@ -25,7 +25,7 @@ static int check_socket_closed(int sk)
 
 	err = getsockopt(sk, IPPROTO_TCP, TCP_INFO, (void *)&info, &len);
 	if (err != 0) {
-		pr_perror("Can't get socket state\n");
+		pr_perror("Can't get socket state");
 		return -1;
 	} else if (info.tcpi_state != TCP_CLOSE) {
 		pr_err("Invalid socket state (%i)", (int)info.tcpi_state);
diff --git a/test/zdtm/static/socket-tcp-close1.c b/test/zdtm/static/socket-tcp-close1.c
index 3dba4e54d..1fefeea82 100644
--- a/test/zdtm/static/socket-tcp-close1.c
+++ b/test/zdtm/static/socket-tcp-close1.c
@@ -21,7 +21,7 @@ static int check_socket_state(int sk, int state)
 
 	err = getsockopt(sk, IPPROTO_TCP, TCP_INFO, (void *)&info, &len);
 	if (err != 0) {
-		pr_perror("Can't get socket state\n");
+		pr_perror("Can't get socket state");
 		return -1;
 	}
 	return info.tcpi_state == state ? 0 : -1;
diff --git a/test/zdtm/static/thread_different_uid_gid.c b/test/zdtm/static/thread_different_uid_gid.c
index 1a6cdc976..e229d91ed 100644
--- a/test/zdtm/static/thread_different_uid_gid.c
+++ b/test/zdtm/static/thread_different_uid_gid.c
@@ -39,19 +39,19 @@ void *chg_uid_gid(void *arg)
 
 	newcaps = cap_from_text("cap_setgid,cap_setuid=+eip");
 	if (!newcaps) {
-		pr_perror("Failed to get capability struct\n");
+		pr_perror("Failed to get capability struct");
 		exit(1);
 	}
 
 	ret = cap_set_proc(newcaps);
 	if (ret) {
-		pr_perror("Failed to set capabilities for the process\n");
+		pr_perror("Failed to set capabilities for the process");
 		exit(1);
 	}
 
 	mycaps = cap_get_proc();
 	if (!mycaps) {
-		pr_perror("Failed to get child thread capabilities\n");
+		pr_perror("Failed to get child thread capabilities");
 		exit_group(2);
 	}
 
@@ -62,7 +62,7 @@ void *chg_uid_gid(void *arg)
 	if (ret >= 0) {
 		syscall(SYS_setresuid, uid, uid, uid);
 	} else if (ret < 0) {
-		pr_perror("Failed to change UID/GID\n");
+		pr_perror("Failed to change UID/GID");
 		exit_group(2);
 	}
 
@@ -103,17 +103,17 @@ int main(int argc, char **argv)
 
 	newcaps = cap_from_text("cap_setgid,cap_setuid=+eip");
 	if (!newcaps) {
-		pr_perror("Failed to get capability struct\n");
+		pr_perror("Failed to get capability struct");
 		exit(1);
 	}
 	ret = cap_set_proc(newcaps);
 	if (ret) {
-		pr_perror("Failed to set capabilities for the process\n");
+		pr_perror("Failed to set capabilities for the process");
 		exit(1);
 	}
 	ret = prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);
 	if (ret) {
-		pr_perror("Unable to set KEEPCAPS\n");
+		pr_perror("Unable to set KEEPCAPS");
 		exit(1);
 	}
 
@@ -132,12 +132,12 @@ int main(int argc, char **argv)
 	if (ret >= 0) {
 		ret = syscall(SYS_setresuid, mainuser, mainuser, mainuser);
 	} else if (ret < 0) {
-		pr_perror("Failed to drop privileges\n");
+		pr_perror("Failed to drop privileges");
 		exit(1);
 	}
 	test_msg("Now main thread runs as UID: %d; GID: %d\n", getuid(), getgid());
 	if (gid == getgid() || uid == getuid()) {
-		pr_perror("Thread credentials match\n");
+		pr_perror("Thread credentials match");
 		exit(1);
 	}
 	test_msg("Main thread is waiting for signal\n");
@@ -146,7 +146,7 @@ int main(int argc, char **argv)
 	test_waitsig();
 
 	if (gid == getgid() || uid == getuid()) {
-		pr_perror("Thread credentials match after restore\n");
+		pr_perror("Thread credentials match after restore");
 		exit(1);
 	}