Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\smack\smackfs.c Create Date:2022-07-28 19:29:26
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:smk_read_ptrace - read() for /smack/ptrace*@filp: file pointer, not actually used*@buf: where to put the result*@count: maximum to send along*@ppos: where to start* Returns number of bytes read or error code, as appropriate

Proto:static ssize_t smk_read_ptrace(struct file *filp, char __user *buf, size_t count, loff_t *ppos)

Type:ssize_t

Parameter:

TypeParameterName
struct file *filp
char __user *buf
size_tcount
loff_t *ppos
2770  If ppos != 0 Then Return 0
2773  sprintf(temp, "%d\n", Ptrace current rule* SMACK_PTRACE_DEFAULT regular smack ptrace rules (/proc based)* SMACK_PTRACE_EXACT labels must match, but can be overriden with* CAP_SYS_PTRACE* SMACK_PTRACE_DRACONIAN lables must match, CAP_SYS_PTRACE has no effect)
2774  rc = simple_read_from_buffer(buf, count, ppos, temp, strlen - Find the length of a string*@s: The string to be sized)
2775  Return rc