diff options
Diffstat (limited to 'target/linux/generic/pending-4.14')
-rw-r--r-- | target/linux/generic/pending-4.14/303-MIPS-Fix-bounds-check-virt_addr_valid.patch | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/target/linux/generic/pending-4.14/303-MIPS-Fix-bounds-check-virt_addr_valid.patch b/target/linux/generic/pending-4.14/303-MIPS-Fix-bounds-check-virt_addr_valid.patch deleted file mode 100644 index d4c3e66105..0000000000 --- a/target/linux/generic/pending-4.14/303-MIPS-Fix-bounds-check-virt_addr_valid.patch +++ /dev/null @@ -1,33 +0,0 @@ -From 415e0feec4f927af0059f72a6831f6c5a104f0fc Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens <hauke@hauke-m.de> -Date: Mon, 17 Jun 2019 00:13:08 +0200 -Subject: [PATCH] MIPS: Fix bounds check virt_addr_valid - -The bounds check used the uninitialized variable vaddr, it should use -the given parameter kaddr instead. When using the uninitialized value -the compiler assumed it to be 0 and optimized this function to just -return 0 in all cases. - -This should make the function check the range of the given address and -only do the page map check in case it is in the expected range of -virtual addresses. - -Fixes: 074a1e1167af ("MIPS: Bounds check virt_addr_valid") -Cc: stable@vger.kernel.org # v4.12+ -Cc: Paul Burton <paul.burton@mips.com> -Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> ---- - arch/mips/mm/mmap.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/arch/mips/mm/mmap.c -+++ b/arch/mips/mm/mmap.c -@@ -203,7 +203,7 @@ unsigned long arch_randomize_brk(struct - - int __virt_addr_valid(const volatile void *kaddr) - { -- unsigned long vaddr = (unsigned long)vaddr; -+ unsigned long vaddr = (unsigned long)kaddr; - - if ((vaddr < PAGE_OFFSET) || (vaddr >= MAP_BASE)) - return 0; |