diff --git a/sys/amd64/linux/linux_sysvec.c b/sys/amd64/linux/linux_sysvec.c
--- a/sys/amd64/linux/linux_sysvec.c
+++ b/sys/amd64/linux/linux_sysvec.c
@@ -110,6 +110,7 @@
 static vm_offset_t linux_vdso_base;
 
 extern struct sysent linux_sysent[LINUX_SYS_MAXSYSCALL];
+extern const char *linux_syscallnames[];
 
 SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler);
 
@@ -729,7 +730,7 @@
 	    SV_SIG_WAITNDQ | SV_TIMEKEEP,
 	.sv_set_syscall_retval = linux_set_syscall_retval,
 	.sv_fetch_syscall_args = linux_fetch_syscall_args,
-	.sv_syscallnames = NULL,
+	.sv_syscallnames = linux_syscallnames,
 	.sv_shared_page_base = LINUX_SHAREDPAGE_LA48,
 	.sv_shared_page_len = PAGE_SIZE,
 	.sv_schedtail	= linux_schedtail,
diff --git a/sys/amd64/linux32/linux32_sysvec.c b/sys/amd64/linux32/linux32_sysvec.c
--- a/sys/amd64/linux32/linux32_sysvec.c
+++ b/sys/amd64/linux32/linux32_sysvec.c
@@ -113,6 +113,7 @@
 static vm_offset_t linux_vdso_base;
 
 extern struct sysent linux32_sysent[LINUX32_SYS_MAXSYSCALL];
+extern const char *linux32_syscallnames[];
 
 SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler);
 
@@ -882,7 +883,7 @@
 	    SV_SIG_DISCIGN | SV_SIG_WAITNDQ | SV_TIMEKEEP,
 	.sv_set_syscall_retval = linux32_set_syscall_retval,
 	.sv_fetch_syscall_args = linux32_fetch_syscall_args,
-	.sv_syscallnames = NULL,
+	.sv_syscallnames = linux32_syscallnames,
 	.sv_shared_page_base = LINUX32_SHAREDPAGE,
 	.sv_shared_page_len = PAGE_SIZE,
 	.sv_schedtail	= linux_schedtail,
diff --git a/sys/arm64/linux/linux_sysvec.c b/sys/arm64/linux/linux_sysvec.c
--- a/sys/arm64/linux/linux_sysvec.c
+++ b/sys/arm64/linux/linux_sysvec.c
@@ -98,6 +98,7 @@
 static vm_offset_t linux_vdso_base;
 
 extern struct sysent linux_sysent[LINUX_SYS_MAXSYSCALL];
+extern const char *linux_syscallnames[];
 
 SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler);
 
@@ -576,7 +577,7 @@
 	    SV_SIG_WAITNDQ | SV_TIMEKEEP,
 	.sv_set_syscall_retval = linux_set_syscall_retval,
 	.sv_fetch_syscall_args = linux_fetch_syscall_args,
-	.sv_syscallnames = NULL,
+	.sv_syscallnames = linux_syscallnames,
 	.sv_shared_page_base = LINUX_SHAREDPAGE,
 	.sv_shared_page_len = PAGE_SIZE,
 	.sv_schedtail	= linux_schedtail,
diff --git a/sys/i386/linux/linux_sysvec.c b/sys/i386/linux/linux_sysvec.c
--- a/sys/i386/linux/linux_sysvec.c
+++ b/sys/i386/linux/linux_sysvec.c
@@ -96,6 +96,7 @@
 static vm_offset_t linux_vdso_base;
 
 extern struct sysent linux_sysent[LINUX_SYS_MAXSYSCALL];
+extern const char *linux_syscallnames[];
 
 SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler);
 
@@ -782,7 +783,7 @@
 	    SV_SIG_DISCIGN | SV_SIG_WAITNDQ,
 	.sv_set_syscall_retval = linux_set_syscall_retval,
 	.sv_fetch_syscall_args = linux_fetch_syscall_args,
-	.sv_syscallnames = NULL,
+	.sv_syscallnames = linux_syscallnames,
 	.sv_schedtail	= linux_schedtail,
 	.sv_thread_detach = linux_thread_detach,
 	.sv_trap	= NULL,