kernel: kpm: add compatibility for kernel 4.14 and lower (#76)

`thread_pid` is not defined in kernel 4.14 and lower, leading to compilation issue.
To fix this, use `pids[PIDTYPE_PID].pid` for kernel versions 4.14 and lower.
Else use `thread_pid` for kernel versions 4.19 and higher.

Reference: 107717913b/tracee/tracee.bpf.c (L354)
This commit is contained in:
sidex15
2025-05-15 17:38:34 +08:00
committed by GitHub
parent 0973cd1ae0
commit db547eecf1

View File

@@ -167,7 +167,11 @@ DYNAMIC_STRUCT_BEGIN(task_struct)
DEFINE_MEMBER(task_struct, group_leader)
DEFINE_MEMBER(task_struct, mm)
DEFINE_MEMBER(task_struct, active_mm)
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 19, 0)
DEFINE_MEMBER(task_struct, pids[PIDTYPE_PID].pid)
#else
DEFINE_MEMBER(task_struct, thread_pid)
#endif
DEFINE_MEMBER(task_struct, files)
DEFINE_MEMBER(task_struct, seccomp)
#ifdef CONFIG_THREAD_INFO_IN_TASK