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mock-turtle
Commit e8ffc831 authored by Federico Vaga's avatar Federico Vaga
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sw:drv: validate SMEM address on ioctl 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 1d721161
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software/kernel/mockturtle-core.c
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...@@ -225,6 +225,8 @@ static long trtl_ioctl_io(struct trtl_dev *trtl, void __user *uarg) ...@@ -225,6 +225,8 @@ static long trtl_ioctl_io(struct trtl_dev *trtl, void __user *uarg)
err = copy_from_user(&io, uarg, sizeof(struct trtl_smem_io)); err = copy_from_user(&io, uarg, sizeof(struct trtl_smem_io));
if (err) if (err)
return err; return err;
if (io.addr >= trtl->cfgrom.smem_size * 4)
return -EINVAL;
if (io.is_input) { if (io.is_input) {
/* read */ /* read */
......
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