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Merge tag 'x86_urgent_for_v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86 fix from Borislav Petkov:
 "Fix an out-of-bounds memory access when setting up a crash kernel with
  kexec"

* tag 'x86_urgent_for_v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/crash: Fix crash_setup_memmap_entries() out-of-bounds access
This commit is contained in:
Linus Torvalds
2021-04-25 09:02:13 -07:00
parent 2a1d7946fa 5849cdf8c1
commit 11fac7a004
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/crash.c
+1 -1
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@@ -337,7 +337,7 @@ int crash_setup_memmap_entries(struct kimage *image, struct boot_params *params)
struct crash_memmap_data cmd;
struct crash_mem *cmem;
cmem = vzalloc(sizeof(struct crash_mem));
cmem = vzalloc(struct_size(cmem, ranges, 1));
if (!cmem)
return -ENOMEM;