The fanotify_mark syscall takes a 64-bit mask, and on 32-bit
architectures it is split up into two syscall arguments.
* pathtrace.c (pathtrace_match_set): Use getllval to properly decode arguments
after mask.
---
pathtrace.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/pathtrace.c b/pathtrace.c
index 9f3674a..26a52fe 100644
--- a/pathtrace.c
+++ b/pathtrace.c
@@ -241,10 +241,13 @@ pathtrace_match_set(struct tcb *tcp, struct path_set *set)
case SEN_fanotify_mark:
- /* x, x, x, fd, path */
- return fdmatch(tcp, tcp->u_arg[3], set) ||
- upathmatch(tcp, tcp->u_arg[4], set);
-
+ {
+ /* x, x, mask (64 bit), fd, path */
+ unsigned long long mask = 0;
+ int argn = getllval(tcp, &mask, 2);
+ return fdmatch(tcp, tcp->u_arg[argn], set) ||
+ upathmatch(tcp, tcp->u_arg[argn + 1], set);
+ }
case SEN_oldselect:
case SEN_pselect6:
case SEN_select:
--
2.1.4
------------------------------------------------------------------------------
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