fix(driver/modern_bpf): fixed modern bpf driver.

Signed-off-by: Federico Di Pierro <[email protected]>

Co-authored-by: Andrea Terzolo <[email protected]>

driver/modern_bpf/definitions/struct_flavors.h

@@ -36,6 +36,10 @@ struct task_struct___cos {
 	struct audit_task_info		*audit;
 };
 
+struct inode___v6_6 {
+	struct timespec64 __i_ctime;
+};
+
 #ifndef BPF_NO_PRESERVE_ACCESS_INDEX
 #pragma clang attribute pop
 #endif
@@ -58,75 +62,4 @@ struct modern_bpf__kernel_timex_timeval
 	long long int tv_usec;
 };
 
-struct inode___v6_6 {
-	umode_t i_mode;
-	short unsigned int i_opflags;
-	kuid_t i_uid;
-	kgid_t i_gid;
-	unsigned int i_flags;
-	struct posix_acl *i_acl;
-	struct posix_acl *i_default_acl;
-	const struct inode_operations *i_op;
-	struct super_block *i_sb;
-	struct address_space *i_mapping;
-	void *i_security;
-	long unsigned int i_ino;
-	union {
-		const unsigned int i_nlink;
-		unsigned int __i_nlink;
-	};
-	dev_t i_rdev;
-	loff_t i_size;
-	struct timespec64 i_atime;
-	struct timespec64 i_mtime;
-	struct timespec64 __i_ctime;
-	spinlock_t i_lock;
-	short unsigned int i_bytes;
-	u8 i_blkbits;
-	u8 i_write_hint;
-	blkcnt_t i_blocks;
-	long unsigned int i_state;
-	struct rw_semaphore i_rwsem;
-	long unsigned int dirtied_when;
-	long unsigned int dirtied_time_when;
-	struct hlist_node i_hash;
-	struct list_head i_io_list;
-	struct bdi_writeback *i_wb;
-	int i_wb_frn_winner;
-	u16 i_wb_frn_avg_time;
-	u16 i_wb_frn_history;
-	struct list_head i_lru;
-	struct list_head i_sb_list;
-	struct list_head i_wb_list;
-	union {
-		struct hlist_head i_dentry;
-		struct callback_head i_rcu;
-	};
-	atomic64_t i_version;
-	atomic64_t i_sequence;
-	atomic_t i_count;
-	atomic_t i_dio_count;
-	atomic_t i_writecount;
-	atomic_t i_readcount;
-	union {
-		const struct file_operations *i_fop;
-		void (*free_inode)(struct inode *);
-	};
-	struct file_lock_context *i_flctx;
-	struct address_space i_data;
-	struct list_head i_devices;
-	union {
-		struct pipe_inode_info *i_pipe;
-		struct cdev *i_cdev;
-		char *i_link;
-		unsigned int i_dir_seq;
-	};
-	__u32 i_generation;
-	__u32 i_fsnotify_mask;
-	struct fsnotify_mark_connector *i_fsnotify_marks;
-	struct fscrypt_info *i_crypt_info;
-	struct fsverity_info *i_verity_info;
-	void *i_private;
-};
-
 #endif /* __STRUCT_FLAVORS_H__ */

driver/modern_bpf/programs/attached/events/sched_process_exec.bpf.c

@@ -213,7 +213,7 @@ int BPF_PROG(t1_sched_p_exec,
 
 	/* Parameter 25: exe_file ctime (last status change time, epoch value in nanoseconds) (type: PT_ABSTIME) */
 	struct timespec64 time = { 0, 0 };
-	if(bpf_core_type_exists(struct inode))
+	if(bpf_core_field_exists(exe_inode->i_ctime))
 	{
 		BPF_CORE_READ_INTO(&time, exe_inode, i_ctime);
 	}

driver/modern_bpf/programs/tail_called/events/syscall_dispatched_events/execve.bpf.c

@@ -277,7 +277,7 @@ int BPF_PROG(t1_execve_x,
 
 	/* Parameter 25: exe_file ctime (last status change time, epoch value in nanoseconds) (type: PT_ABSTIME) */
 	struct timespec64 time = { 0, 0 };
-	if(bpf_core_type_exists(struct inode))
+	if(bpf_core_field_exists(exe_inode->i_ctime))
 	{
 		BPF_CORE_READ_INTO(&time, exe_inode, i_ctime);
 	}

driver/modern_bpf/programs/tail_called/events/syscall_dispatched_events/execveat.bpf.c

@@ -293,7 +293,7 @@ int BPF_PROG(t1_execveat_x,
 
 	/* Parameter 25: exe_file ctime (last status change time, epoch value in nanoseconds) (type: PT_ABSTIME) */
 	struct timespec64 time = { 0, 0 };
-	if(bpf_core_type_exists(struct inode))
+	if(bpf_core_field_exists(exe_inode->i_ctime))
 	{
 		BPF_CORE_READ_INTO(&time, exe_inode, i_ctime);
 	}