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um: don't leak floating point state and segment registers on execve()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-09-05 23:20:33 -04:00
parent ab286b21aa
commit 344569aef3
1 changed files with 1 additions and 0 deletions
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arch/um/kernel/exec.c
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@ -39,6 +39,7 @@ void flush_thread(void)
void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp) void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
{ {
get_safe_registers(regs->regs.gp, regs->regs.fp);
PT_REGS_IP(regs) = eip; PT_REGS_IP(regs) = eip;
PT_REGS_SP(regs) = esp; PT_REGS_SP(regs) = esp;
current->ptrace &= ~PT_DTRACE; current->ptrace &= ~PT_DTRACE;