The parisc kernel has some legacy baggage here and decodes the 64bit
field in the reverse order. Handle it in strace too.
* fanotify.c [HPPA] (sys_fanotify_mark): Reverse the mask bits.
---
fanotify.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fanotify.c b/fanotify.c
index e421b01..63816b8 100644
--- a/fanotify.c
+++ b/fanotify.c
@@ -52,6 +52,10 @@ sys_fanotify_mark(struct tcb *tcp)
* but kernel uses the lower 32 bits only.
*/
argn = getllval(tcp, &mask, 2);
+#ifdef HPPA
+ /* Parsic is weird. See arch/parisc/kernel/sys_parisc32.c. */
+ mask = (mask << 32) | (mask >> 32);
+#endif
printflags(fan_event_flags, mask, "FAN_???");
tprints(", ");
if ((int) tcp->u_arg[argn] == FAN_NOFD)
--
2.3.0
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