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-rw-r--r--usr.bin/kdump/kdump.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/usr.bin/kdump/kdump.c b/usr.bin/kdump/kdump.c
index 3319d2f066071..3c7e126bb33d7 100644
--- a/usr.bin/kdump/kdump.c
+++ b/usr.bin/kdump/kdump.c
@@ -55,6 +55,7 @@ __FBSDID("$FreeBSD$");
#include <sys/uio.h>
#include <sys/event.h>
#include <sys/ktrace.h>
+#include <sys/mman.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
@@ -1248,7 +1249,12 @@ ktrsyscall(struct ktr_syscall *ktr, u_int sv_flags)
break;
#ifdef SYS_freebsd12_shm_open
case SYS_freebsd12_shm_open:
- print_number(ip, narg, c);
+ if (ip[0] == (uintptr_t)SHM_ANON) {
+ printf("(SHM_ANON");
+ ip++;
+ } else {
+ print_number(ip, narg, c);
+ }
putchar(',');
print_mask_arg(sysdecode_open_flags, ip[0]);
putchar(',');