fix: validate position in sys_pread64 and sys_pwrite64#238

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Marsman1996 wants to merge 1 commit intosyswonder:mainfrom

Marsman1996:issue_227

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Marsman1996 commented Jan 23, 2026 •

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Fix #227
Fix #228

Refer:
https://github.com/torvalds/linux/blob/c072629f05d7bca1148ab17690d7922a31423984/fs/read_write.c#L752-L756

ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count,
		     loff_t pos)
{
	if (pos < 0)
		return -EINVAL;

https://github.com/torvalds/linux/blob/c072629f05d7bca1148ab17690d7922a31423984/fs/read_write.c#L782-L786

ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf,
		      size_t count, loff_t pos)
{
	if (pos < 0)
		return -EINVAL;


          fix: validate position in sys_pread64 and sys_pwrite64

187fe6c

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