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authorAl Viro <viro@zeniv.linux.org.uk>2012-09-05 23:20:33 -0400
committerRichard Weinberger <richard@nod.at>2012-09-27 18:04:38 +0200
commitbf56d57638452a8ee9241c9ca082d59cd2ca4cc8 (patch)
treef315a1ed694c1f18e5cc237356fa90cbab461d2c /arch/um/kernel
parent424597921ac1fc2a475a656ea5895cbe78f25d0d (diff)
downloadlinux-bf56d57638452a8ee9241c9ca082d59cd2ca4cc8.tar.gz
um: don't leak floating point state and segment registers on execve()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/um/kernel')
-rw-r--r--arch/um/kernel/exec.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 4cab0c78684..8c82786da82 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -39,6 +39,7 @@ void flush_thread(void)
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_SP(regs) = esp;
current->ptrace &= ~PT_DTRACE;