Re: [PATCH bpf-next 2/2] bpf: sanitize BTF data pointer after module is loaded

+++ Andrii Nakryiko [19/11/20 10:26 -0800]: Given .BTF section is not allocatable, it will get trimmed after module is loaded. BPF system handles that properly by creating an independent copy of data. But prevent any accidental misused by resetting the pointer to BTF data. Suggested-by: Jessica

Re: [PATCH v4 bpf-next 4/5] bpf: load and verify kernel module BTFs

+++ Andrii Nakryiko [11/11/20 12:11 -0800]: On Wed, Nov 11, 2020 at 2:13 AM Jessica Yu wrote: +++ Andrii Nakryiko [09/11/20 17:19 -0800]: [snipped] >diff --git a/kernel/module.c b/kernel/module.c >index a4fa44a652a7..f2996b02ab2e 100644 >--- a/kernel/module.c >+++ b/kernel/module.

Re: [PATCH v4 bpf-next 4/5] bpf: load and verify kernel module BTFs

in module memory, that might save you the memcpy() to btf->data in btf_parse_module() (unless that is still needed for some reason). Thanks, Jessica /* Provided by the linker */ extern const struct kernel_symbol __start___ksymtab[]; extern const struct kernel_symbol __stop___ksymtab[]; @@ -

Re: [PATCH 3/5] module: Do not expose section addresses to non-CAP_SYSLOG

r consistency. Cc: sta...@vger.kernel.org Reported-by: Dominik Czarnota Fixes: be71eda5383f ("module: Fix display of wrong module .text address") Signed-off-by: Kees Cook Tested-by: Jessica Yu Acked-by: Jessica Yu

Re: [PATCH 2/5] module: Refactor section attr into bin attribute

ember. Cc: sta...@vger.kernel.org Signed-off-by: Kees Cook Hi Kees, This looks good to me: Tested-by: Jessica Yu Acked-by: Jessica Yu Thanks!

Re: [PATCH v2 01/15] taint: add module firmware crash taint support

r add an `if (mod)` check in add_taint_module() or add an #ifdef MODULE check in the stub itself to call add_taint() or add_taint_module() as appropriate. Hope that makes sense. Thanks! Jessica

Hi

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Hi

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Hola

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Re: [PATCH v9 RESEND 0/4] KASLR feature to randomize each loadable module

+++ Edgecombe, Rick P [12/12/18 23:05 +]: On Wed, 2018-11-28 at 01:40 +, Edgecombe, Rick P wrote: On Tue, 2018-11-27 at 11:21 +0100, Daniel Borkmann wrote: > On 11/27/2018 01:19 AM, Edgecombe, Rick P wrote: > > On Mon, 2018-11-26 at 16:36 +0100, Jessica Yu wrote: >

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