函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\locking\lockdep.c Create Date:2022-07-27 10:50:56
Last Modify:2020-03-17 14:16:01 Copyright©Brick
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函数名称：print_freed_lock_bug

函数原型：static void print_freed_lock_bug(struct task_struct *curr, const void *mem_from, const void *mem_to, struct held_lock *hlock)

返回类型：void

参数：

类型参数名称
struct task_struct *curr
const void *mem_from
const void *mem_to
struct held_lock *hlock
5245  如果非Generic 'turn off all lock debugging' function:则返回
5247  如果The locking-testsuite uses to get a* 'silent failure': nothing is printed to the console when* a locking bug is detected.则返回
5250  打印警告信息("\n")
5251  打印警告信息("=========================\n")
5252  打印警告信息("WARNING: held lock freed!\n")
5253  print_kernel_ident()
5254  打印警告信息("-------------------------\n")
5255  打印警告信息("%s/%d is freeing memory %px-%px, with a lock still held there!\n", 是否使用FPU, task_pid_nr(curr), mem_from, mem_to - 1)
5257  print_lock(hlock)
5258  lockdep_print_held_locks(curr)
5260  打印警告信息("\nstack backtrace:\n")
5261  dump_stack()
调用者
名称描述
debug_check_no_locks_freedCalled when kernel memory is freed (or unmapped), or if a lock* is destroyed or reinitialized - this code checks whether there is* any held lock in the memory range of to :