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| author | Ralf Baechle <ralf@linux-mips.org> | 2016-08-03 12:55:49 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-08-03 12:55:49 +0200 |
| commit | 4a89cf810130fde41e3fc729e770cb1a5a87d245 (patch) | |
| tree | 84da40f8d26e51c21e61fc4fc5b7242c0050ae7d /arch/arm64/mm/fault.c | |
| parent | 4f53989b0652ffe2605221c81ca8ffcfc90aed2a (diff) | |
| parent | e9cbf6299e306d6f2ff7b8fe7ac66059191b182f (diff) | |
Merge branch '4.7-fixes' into mips-for-linux-next
Diffstat (limited to 'arch/arm64/mm/fault.c')
| -rw-r--r-- | arch/arm64/mm/fault.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 013e2cbe7924..b1166d1e5955 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -280,7 +280,8 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr, } if (permission_fault(esr) && (addr < USER_DS)) { - if (get_fs() == KERNEL_DS) + /* regs->orig_addr_limit may be 0 if we entered from EL0 */ + if (regs->orig_addr_limit == KERNEL_DS) die("Accessing user space memory with fs=KERNEL_DS", regs, esr); if (!search_exception_tables(regs->pc)) |