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| author |   Helge Deller <deller@gmx.de> | 2018-03-25 23:53:22 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2018-03-27 18:52:22 +0200 |
| commit | 615b2665fd20c327b631ff1e79426775de748094 (patch) | |
| tree | 9819f4f4c359565dd771fcddc36ad48dee95be7e /drivers/video/fbdev | |
| parent | parisc: Add code generator for Qemu/SeaBIOS machine info (diff) | |
| download | linux-dev-615b2665fd20c327b631ff1e79426775de748094.tar.xz linux-dev-615b2665fd20c327b631ff1e79426775de748094.zip | |
parisc: Fix out of array access in match_pci_device()
As found by the ubsan checker, the value of the 'index' variable can be
out of range for the bc[] array:
UBSAN: Undefined behaviour in arch/parisc/kernel/drivers.c:655:21
index 6 is out of range for type 'char [6]'
Backtrace:
[<104fa850>] __ubsan_handle_out_of_bounds+0x68/0x80
[<1019d83c>] check_parent+0xc0/0x170
[<1019d91c>] descend_children+0x30/0x6c
[<1059e164>] device_for_each_child+0x60/0x98
[<1019cd54>] parse_tree_node+0x40/0x54
[<1019d86c>] check_parent+0xf0/0x170
[<1019d91c>] descend_children+0x30/0x6c
[<1059e164>] device_for_each_child+0x60/0x98
[<1019d938>] descend_children+0x4c/0x6c
[<1059e164>] device_for_each_child+0x60/0x98
[<1019cd54>] parse_tree_node+0x40/0x54
[<1019cffc>] hwpath_to_device+0xa4/0xc4
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/video/fbdev')
0 files changed, 0 insertions, 0 deletions