From 52f993b8e89487ec9ee15a7fb4979e0f09a45b27 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Wed, 8 Mar 2017 23:13:28 -0800 Subject: Upgrade to 4.4.50-rt62 The current kernel is based on rt kernel v4.4.6-rt14. We will upgrade it to 4.4.50-rt62. The command to achieve it is: a) Clone a git repo from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git b) Get the diff between this two changesets: git diff 640eca2901f3435e616157b11379d3223a44b391 705619beeea1b0b48219a683fd1a901a86fdaf5e where the two commits are: [yjiang5@jnakajim-build linux-stable-rt]$ git show --oneline --name-only 640eca2901f3435e616157b11379d3223a44b391 640eca2901f3 v4.4.6-rt14 localversion-rt [yjiang5@jnakajim-build linux-stable-rt]$ git show --oneline --name-only 705619beeea1b0b48219a683fd1a901a86fdaf5e 705619beeea1 Linux 4.4.50-rt62 localversion-rt c) One patch has been backported thus revert the patch before applying. filterdiff -p1 -x scripts/package/Makefile ~/tmp/v4.4.6-rt14-4.4.50-rt62.diff |patch -p1 --dry-run Upstream status: backport Change-Id: I244d57a32f6066e5a5b9915f9fbf99e7bbca6e01 Signed-off-by: Yunhong Jiang --- kernel/drivers/scsi/aacraid/commctrl.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'kernel/drivers/scsi/aacraid/commctrl.c') diff --git a/kernel/drivers/scsi/aacraid/commctrl.c b/kernel/drivers/scsi/aacraid/commctrl.c index 54195a117..f78cc943d 100644 --- a/kernel/drivers/scsi/aacraid/commctrl.c +++ b/kernel/drivers/scsi/aacraid/commctrl.c @@ -63,7 +63,7 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) struct fib *fibptr; struct hw_fib * hw_fib = (struct hw_fib *)0; dma_addr_t hw_fib_pa = (dma_addr_t)0LL; - unsigned size; + unsigned int size, osize; int retval; if (dev->in_reset) { @@ -87,7 +87,8 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) * will not overrun the buffer when we copy the memory. Return * an error if we would. */ - size = le16_to_cpu(kfib->header.Size) + sizeof(struct aac_fibhdr); + osize = size = le16_to_cpu(kfib->header.Size) + + sizeof(struct aac_fibhdr); if (size < le16_to_cpu(kfib->header.SenderSize)) size = le16_to_cpu(kfib->header.SenderSize); if (size > dev->max_fib_size) { @@ -118,6 +119,14 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) goto cleanup; } + /* Sanity check the second copy */ + if ((osize != le16_to_cpu(kfib->header.Size) + + sizeof(struct aac_fibhdr)) + || (size < le16_to_cpu(kfib->header.SenderSize))) { + retval = -EINVAL; + goto cleanup; + } + if (kfib->header.Command == cpu_to_le16(TakeABreakPt)) { aac_adapter_interrupt(dev); /* -- cgit 1.2.3-korg