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procfs:fix cmdline overflow

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Signed-off-by: anjiahao <anjiahao@xiaomi.com>
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anjiahao 2024-12-11 19:58:32 +08:00 committed by Xiang Xiao
parent a94264ea00
commit 5e4c14d8e8
1 changed files with 2 additions and 2 deletions
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4
fs/procfs/fs_procfsproc.c
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@ -687,9 +687,9 @@ static ssize_t proc_cmdline(FAR struct proc_file_s *procfile,
/* Show the task / thread argument list (skipping over the name) */
linesize = nxtask_argvstr(tcb, procfile->line, remaining);
linesize = nxtask_argvstr(tcb, procfile->line, sizeof(procfile->line));
copysize = procfs_memcpy(procfile->line, linesize, buffer,
remaining, &offset);
sizeof(procfile->line), &offset);
totalsize += copysize;
buffer += copysize;
remaining -= copysize;