Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1421187
| From | Ben Hutchings <ben@decadent.org.uk> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3.16 021/114] usb: xhci: fix wild pointers in xhci_mem_cleanup |
| Date | 2016-06-13 21:10 +0200 |
| Message-ID | <rJFpg-22H-17@gated-at.bofh.it> (permalink) |
| References | <rJEWe-1BQ-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
3.16.36-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Lu Baolu <baolu.lu@linux.intel.com> commit 71504062a7c34838c3fccd92c447f399d3cb5797 upstream. This patch fixes some wild pointers produced by xhci_mem_cleanup. These wild pointers will cause system crash if xhci_mem_cleanup() is called twice. Reported-and-tested-by: Pengcheng Li <lpc.li@hisilicon.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- drivers/usb/host/xhci-mem.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1882,6 +1882,12 @@ no_bw: kfree(xhci->rh_bw); kfree(xhci->ext_caps); + xhci->usb2_ports = NULL; + xhci->usb3_ports = NULL; + xhci->port_array = NULL; + xhci->rh_bw = NULL; + xhci->ext_caps = NULL; + xhci->page_size = 0; xhci->page_shift = 0; xhci->bus_state[0].bus_suspended = 0;
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
[PATCH 3.16 021/114] usb: xhci: fix wild pointers in xhci_mem_cleanup Ben Hutchings <ben@decadent.org.uk> - 2016-06-13 21:10 +0200
csiph-web