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Commit 005f18df authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Linus Torvalds
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[PATCH] fix task_struct leak in ptrace 



When ptrace_attach fails we need to drop the task_struct reference.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent ab767201

kernel/ptrace.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -470,7 +470,7 @@ asmlinkage long sys_ptrace(long request, long pid, long addr, long data) 




	if (request == PTRACE_ATTACH) {

	if (request == PTRACE_ATTACH) {

		ret = ptrace_attach(child);

		ret = ptrace_attach(child);

		goto out;

		goto out_put_task_struct;

	}

	}





	ret = ptrace_check_attach(child, request == PTRACE_KILL);

	ret = ptrace_check_attach(child, request == PTRACE_KILL);