On 2018/1/19 22:28, Will Deacon Wrote:
On Fri, Jan 19, 2018 at 11:37:24AM +0800, Li Kun wrote:
在 2018/1/17 18:07, Will Deacon 写道:
On Wed, Jan 17, 2018 at 12:10:33PM +0800, Yisheng Xie wrote:
On 2018/1/5 21:12, Will Deacon wrote:
diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm
On 2018/1/19 22:28, Will Deacon Wrote:
On Fri, Jan 19, 2018 at 11:37:24AM +0800, Li Kun wrote:
在 2018/1/17 18:07, Will Deacon 写道:
On Wed, Jan 17, 2018 at 12:10:33PM +0800, Yisheng Xie wrote:
On 2018/1/5 21:12, Will Deacon wrote:
diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm
g list
linux-arm-ker...@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
--
Best Regards
Li Kun
g list
linux-arm-ker...@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
--
Best Regards
Li Kun
insertions(+), 13 deletions(-)
create mode 100644 Documentation/arm64/elf_hwcaps.txt
create mode 100644 Documentation/arm64/pointer-authentication.txt
create mode 100644 arch/arm64/include/asm/pointer_auth.h
create mode 100644 arch/arm64/kvm/hyp/ptrauth-sr.c
--
Best Regards
Li Kun
insertions(+), 13 deletions(-)
create mode 100644 Documentation/arm64/elf_hwcaps.txt
create mode 100644 Documentation/arm64/pointer-authentication.txt
create mode 100644 arch/arm64/include/asm/pointer_auth.h
create mode 100644 arch/arm64/kvm/hyp/ptrauth-sr.c
--
Best Regards
Li Kun
: "cc", "cx");
here when the result LT_ZERO, you will saturate the r->refs.counter and
make the
atomic_try_cmpxchg(&(r->refs), , new) bound to fail first time.
maybe we can just saturate the value of variable "new" ?
+
+ } while (!atomic_try_cmpxchg(&(r->refs), , new));
+
+ return c;
+}
+
--
Best Regards
Li Kun
: "cc", "cx");
here when the result LT_ZERO, you will saturate the r->refs.counter and
make the
atomic_try_cmpxchg(&(r->refs), , new) bound to fail first time.
maybe we can just saturate the value of variable "new" ?
+
+ } while (!atomic_try_cmpxchg(&(r->refs), , new));
+
+ return c;
+}
+
--
Best Regards
Li Kun
on 2017/6/30 6:05, Kees Cook wrote:
On Wed, Jun 28, 2017 at 9:13 PM, Li Kun <hw.li...@huawei.com> wrote:
在 2017/5/31 5:39, Kees Cook 写道:
+bool ex_handler_refcount(const struct exception_table_entry *fixup,
+struct pt_regs *regs, int trapnr)
+{
+ int
on 2017/6/30 6:05, Kees Cook wrote:
On Wed, Jun 28, 2017 at 9:13 PM, Li Kun wrote:
在 2017/5/31 5:39, Kees Cook 写道:
+bool ex_handler_refcount(const struct exception_table_entry *fixup,
+struct pt_regs *regs, int trapnr)
+{
+ int reset
current->comm, task_pid_nr(current),
+ from_kuid_munged(_user_ns, current_uid()),
+ from_kuid_munged(_user_ns, current_euid()));
+ print_symbol(KERN_EMERG "refcount error occurred at: %s\n",
+ instruction_pointer(regs));
+ show_regs(regs);
+}
+#endif
+
core_param(panic, panic_timeout, int, 0644);
core_param(pause_on_oops, pause_on_oops, int, 0644);
core_param(panic_on_warn, panic_on_warn, int, 0644);
--
Best Regards
Li Kun
*/
+ do_send_sig_info(SIGKILL, SEND_SIG_FORCED, current, true);
+
+ if (!__ratelimit(_ratelimit))
+ return;
+
+ pr_emerg("refcount overflow detected in: %s:%d, uid/euid: %u/%u\n",
+ current->comm, task_pid_nr(current),
+ from_kuid_munged(_user_ns, current_uid()),
+ from_kuid_munged(_user_ns, current_euid()));
+ print_symbol(KERN_EMERG "refcount error occurred at: %s\n",
+ instruction_pointer(regs));
+ show_regs(regs);
+}
+#endif
+
core_param(panic, panic_timeout, int, 0644);
core_param(pause_on_oops, pause_on_oops, int, 0644);
core_param(panic_on_warn, panic_on_warn, int, 0644);
--
Best Regards
Li Kun
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