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

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@infradead.org/ Signed-off-by: Alexander Egorenkov <egorenar(a)linux.ibm.com&gt; --- 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