[PATCH 1/1] task: Handle task_struct state member changes in linux-next

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The member state of task_struct has been renamed to __state and its type
changed from long to unsigned int.

https://lore.kernel.org/linux-arch/20210611082810.970791107@xxxxxxxxxxxxx/

Signed-off-by: Alexander Egorenkov <egorenar@xxxxxxxxxxxxx>
---
 defs.h | 1 +
 task.c | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/defs.h b/defs.h
index 6bb00e2..cd5bc1a 100644
--- a/defs.h
+++ b/defs.h
@@ -2290,6 +2290,7 @@ struct size_table {         /* stash of commonly-used sizes */
 	long sk_buff_head_qlen;
 	long sk_buff_len;
 	long orc_entry;
+	long task_struct_state;
 	long task_struct_policy;
 	long pid;
 	long bpf_prog;
diff --git a/task.c b/task.c
index 36cf259..dfaf704 100644
--- a/task.c
+++ b/task.c
@@ -297,6 +297,9 @@ task_init(void)
 	}
 
         MEMBER_OFFSET_INIT(task_struct_state, "task_struct", "state");
+	MEMBER_SIZE_INIT(task_struct_state, "task_struct", "state");
+	if (INVALID_MEMBER(task_struct_state))
+		MEMBER_OFFSET_INIT(task_struct_state, "task_struct", "__state");
         MEMBER_OFFSET_INIT(task_struct_exit_state, "task_struct", "exit_state");
         MEMBER_OFFSET_INIT(task_struct_pid, "task_struct", "pid");
         MEMBER_OFFSET_INIT(task_struct_comm, "task_struct", "comm");
@@ -5926,7 +5929,10 @@ task_state(ulong task)
 	if (!tt->last_task_read)
 		return 0;
 
-	state = ULONG(tt->task_struct + OFFSET(task_struct_state));
+	if (SIZE(task_struct_state) == sizeof(ulong))
+		state = ULONG(tt->task_struct + OFFSET(task_struct_state));
+	else
+		state = UINT(tt->task_struct + OFFSET(task_struct_state));
 	exit_state = VALID_MEMBER(task_struct_exit_state) ?
 		ULONG(tt->task_struct + OFFSET(task_struct_exit_state)) : 0;
 
-- 
2.31.1

--
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