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Check addr_limit in arm64 __dump_instr() 

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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fix from Catalin Marinas:
 "Check addr_limit in arm64 __dump_instr()"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: ensure __dump_instr() checks addr_limit
This commit is contained in:
Linus Torvalds 2017-11-02 12:01:26 -07:00
parent ead751507d 7a7003b1da
commit 6daa083923
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/kernel/traps.c
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@ -118,7 +118,7 @@ static void __dump_instr(const char *lvl, struct pt_regs *regs)
for (i = -4; i < 1; i++) {
unsigned int val, bad;
bad = __get_user(val, &((u32 *)addr)[i]);
bad = get_user(val, &((u32 *)addr)[i]);
if (!bad)
p += sprintf(p, i == 0 ? "(%08x) " : "%08x ", val);