From: Roberto Sassu <roberto.sassu@huawei.com> To: <corbet@lwn.net>, <viro@zeniv.linux.org.uk>, <ast@kernel.org>, <daniel@iogearbox.net>, <andrii@kernel.org>, <kpsingh@kernel.org>, <shuah@kernel.org>, <mcoquelin.stm32@gmail.com>, <alexandre.torgue@foss.st.com>, <zohar@linux.ibm.com> Cc: <linux-doc@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>, <netdev@vger.kernel.org>, <bpf@vger.kernel.org>, <linux-kselftest@vger.kernel.org>, <linux-stm32@st-md-mailman.stormreply.com>, <linux-arm-kernel@lists.infradead.org>, <linux-integrity@vger.kernel.org>, <linux-security-module@vger.kernel.org>, <linux-kernel@vger.kernel.org>, Roberto Sassu <roberto.sassu@huawei.com> Subject: [PATCH 14/18] bpf-preload: Switch to new preload registration method Date: Mon, 28 Mar 2022 19:50:29 +0200 [thread overview] Message-ID: <20220328175033.2437312-15-roberto.sassu@huawei.com> (raw) In-Reply-To: <20220328175033.2437312-1-roberto.sassu@huawei.com> Modify the automatic generator of the light skeleton by adding three calls to bpf_preload_set_ops() for registering and unregistering a preload method, two in load_skel() (set and unset if there is an error) and one in free_objs_and_skel(). Regenerate the light skeleton of the already preloaded eBPF program iterators_bpf, which will now use the new registration method, and directly call load_skel() and free_objs_and_skel() in the init and fini module entrypoints. Finally, allow users to specify a customized list of eBPF programs to preload with the CONFIG_BPF_PRELOAD_LIST option in the kernel configuration, at build time, or with new kernel option bpf_preload_list=, at run-time. By default, set CONFIG_BPF_PRELOAD_LIST to 'bpf_preload', so that the current preloading behavior is kept unchanged. Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> --- .../admin-guide/kernel-parameters.txt | 8 ++++++ kernel/bpf/inode.c | 16 ++++++++++-- kernel/bpf/preload/Kconfig | 25 +++++++++++++------ kernel/bpf/preload/bpf_preload_kern.c | 20 ++------------- .../bpf/preload/iterators/iterators.lskel.h | 9 +++++-- tools/bpf/bpftool/gen.c | 15 ++++++++--- 6 files changed, 60 insertions(+), 33 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 9927564db88e..732d83764e6e 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -482,6 +482,14 @@ bgrt_disable [ACPI][X86] Disable BGRT to avoid flickering OEM logo. + bpf_preload_list= [BPF] + Specify a list of eBPF programs to preload. + Format: obj_name1,obj_name2,... + Default: bpf_preload + + Specify the list of eBPF programs to preload when the + bpf filesystem is mounted. + bttv.card= [HW,V4L] bttv (bt848 + bt878 based grabber cards) bttv.radio= Most important insmod options are available as kernel args too. diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c index 619cdef0ba54..c1941c65ce95 100644 --- a/kernel/bpf/inode.c +++ b/kernel/bpf/inode.c @@ -22,7 +22,14 @@ #include <linux/bpf_trace.h> #include <linux/bpf_preload.h> -static char *bpf_preload_list_str; +static char *bpf_preload_list_str = CONFIG_BPF_PRELOAD_LIST; + +static int __init bpf_preload_list_setup(char *str) +{ + bpf_preload_list_str = str; + return 1; +} +__setup("bpf_preload_list=", bpf_preload_list_setup); static void *bpf_any_get(void *raw, enum bpf_type type) { @@ -732,7 +739,12 @@ static bool bpf_preload_list_mod_get(void) struct bpf_preload_ops_item *cur; bool ret = false; - ret |= bpf_preload_mod_get("bpf_preload", &bpf_preload_ops); + /* + * Keep the legacy registration method, but do not attempt to load + * bpf_preload.ko, as it switched to the new registration method. + */ + if (bpf_preload_ops) + ret |= bpf_preload_mod_get("bpf_preload", &bpf_preload_ops); list_for_each_entry(cur, &preload_list, list) ret |= bpf_preload_mod_get(cur->obj_name, &cur->ops); diff --git a/kernel/bpf/preload/Kconfig b/kernel/bpf/preload/Kconfig index c9d45c9d6918..f878e537b0ff 100644 --- a/kernel/bpf/preload/Kconfig +++ b/kernel/bpf/preload/Kconfig @@ -4,7 +4,7 @@ config USERMODE_DRIVER default n menuconfig BPF_PRELOAD - bool "Preload BPF file system with kernel specific program and map iterators" + bool "Preload eBPF programs" depends on BPF depends on BPF_SYSCALL # The dependency on !COMPILE_TEST prevents it from being enabled @@ -12,15 +12,26 @@ menuconfig BPF_PRELOAD depends on !COMPILE_TEST select USERMODE_DRIVER help - This builds kernel module with several embedded BPF programs that are - pinned into BPF FS mount point as human readable files that are - useful in debugging and introspection of BPF programs and maps. + This enables preloading eBPF programs chosen from the kernel + configuration or from the kernel option bpf_preload_list=. if BPF_PRELOAD config BPF_PRELOAD_UMD - tristate "bpf_preload kernel module" + tristate "Preload BPF file system with kernel specific program and map iterators" default m help - This builds bpf_preload kernel module with embedded BPF programs for - introspection in bpffs. + This builds bpf_preload kernel module with several embedded BPF + programs that are pinned into BPF FS mount point as human readable + files that are useful in debugging and introspection of BPF programs + and maps. + +config BPF_PRELOAD_LIST + string "Ordered list of eBPF programs to preload" + default "bpf_preload" + help + A comma-separated list of eBPF programs to preload. Any eBPF program + left off this list will be ignored. This can be controlled at boot + with the "bpf_preload_list=" parameter. + + If unsure, leave this as the default. endif diff --git a/kernel/bpf/preload/bpf_preload_kern.c b/kernel/bpf/preload/bpf_preload_kern.c index 3839af367200..c6d97872225b 100644 --- a/kernel/bpf/preload/bpf_preload_kern.c +++ b/kernel/bpf/preload/bpf_preload_kern.c @@ -5,22 +5,6 @@ #include <linux/bpf_preload.h> #include "iterators/iterators.lskel.h" -static int __init load(void) -{ - int err; - - err = load_skel(); - if (err) - return err; - bpf_preload_ops = &ops; - return err; -} - -static void __exit fini(void) -{ - bpf_preload_ops = NULL; - free_objs_and_skel(); -} -late_initcall(load); -module_exit(fini); +late_initcall(load_skel); +module_exit(free_objs_and_skel); MODULE_LICENSE("GPL"); diff --git a/kernel/bpf/preload/iterators/iterators.lskel.h b/kernel/bpf/preload/iterators/iterators.lskel.h index 7595fc283a65..5e999564cc7a 100644 --- a/kernel/bpf/preload/iterators/iterators.lskel.h +++ b/kernel/bpf/preload/iterators/iterators.lskel.h @@ -440,6 +440,8 @@ static struct iterators_bpf *skel; static void free_objs_and_skel(void) { + bpf_preload_set_ops("bpf_preload", THIS_MODULE, NULL); + if (!IS_ERR_OR_NULL(dump_bpf_map_link)) bpf_link_put(dump_bpf_map_link); if (!IS_ERR_OR_NULL(dump_bpf_prog_link)) @@ -481,11 +483,14 @@ static struct bpf_preload_ops ops = { static int load_skel(void) { - int err; + int err = -ENOMEM; + + if (!bpf_preload_set_ops("bpf_preload", THIS_MODULE, &ops)) + return 0; skel = iterators_bpf__open(); if (!skel) - return -ENOMEM; + goto out; err = iterators_bpf__load(skel); if (err) diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c index 5593cbee1846..af939183f57a 100644 --- a/tools/bpf/bpftool/gen.c +++ b/tools/bpf/bpftool/gen.c @@ -700,7 +700,10 @@ static void codegen_preload_free(struct bpf_object *obj, const char *obj_name) \n\ static void free_objs_and_skel(void) \n\ { \n\ - "); + bpf_preload_set_ops(\"%s\", THIS_MODULE, NULL); \n\ + \n\ + ", !strcmp(obj_name, "iterators_bpf") ? + "bpf_preload" : obj_name); bpf_object__for_each_program(prog, obj) { codegen("\ @@ -864,11 +867,14 @@ static void codegen_preload_load(struct bpf_object *obj, const char *obj_name) \n\ static int load_skel(void) \n\ { \n\ - int err; \n\ + int err = -ENOMEM; \n\ + \n\ + if (!bpf_preload_set_ops(\"%2$s\", THIS_MODULE, &ops)) \n\ + return 0; \n\ \n\ skel = %1$s__open(); \n\ if (!skel) \n\ - return -ENOMEM; \n\ + goto out; \n\ \n\ err = %1$s__load(skel); \n\ if (err) \n\ @@ -877,7 +883,8 @@ static void codegen_preload_load(struct bpf_object *obj, const char *obj_name) err = %1$s__attach(skel); \n\ if (err) \n\ goto out; \n\ - ", obj_name); + ", obj_name, !strcmp(obj_name, "iterators_bpf") ? + "bpf_preload" : obj_name); bpf_object__for_each_program(prog, obj) { codegen("\ -- 2.32.0
WARNING: multiple messages have this Message-ID (diff)
From: Roberto Sassu <roberto.sassu@huawei.com> To: <corbet@lwn.net>, <viro@zeniv.linux.org.uk>, <ast@kernel.org>, <daniel@iogearbox.net>, <andrii@kernel.org>, <kpsingh@kernel.org>, <shuah@kernel.org>, <mcoquelin.stm32@gmail.com>, <alexandre.torgue@foss.st.com>, <zohar@linux.ibm.com> Cc: <linux-doc@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>, <netdev@vger.kernel.org>, <bpf@vger.kernel.org>, <linux-kselftest@vger.kernel.org>, <linux-stm32@st-md-mailman.stormreply.com>, <linux-arm-kernel@lists.infradead.org>, <linux-integrity@vger.kernel.org>, <linux-security-module@vger.kernel.org>, <linux-kernel@vger.kernel.org>, Roberto Sassu <roberto.sassu@huawei.com> Subject: [PATCH 14/18] bpf-preload: Switch to new preload registration method Date: Mon, 28 Mar 2022 19:50:29 +0200 [thread overview] Message-ID: <20220328175033.2437312-15-roberto.sassu@huawei.com> (raw) In-Reply-To: <20220328175033.2437312-1-roberto.sassu@huawei.com> Modify the automatic generator of the light skeleton by adding three calls to bpf_preload_set_ops() for registering and unregistering a preload method, two in load_skel() (set and unset if there is an error) and one in free_objs_and_skel(). Regenerate the light skeleton of the already preloaded eBPF program iterators_bpf, which will now use the new registration method, and directly call load_skel() and free_objs_and_skel() in the init and fini module entrypoints. Finally, allow users to specify a customized list of eBPF programs to preload with the CONFIG_BPF_PRELOAD_LIST option in the kernel configuration, at build time, or with new kernel option bpf_preload_list=, at run-time. By default, set CONFIG_BPF_PRELOAD_LIST to 'bpf_preload', so that the current preloading behavior is kept unchanged. Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> --- .../admin-guide/kernel-parameters.txt | 8 ++++++ kernel/bpf/inode.c | 16 ++++++++++-- kernel/bpf/preload/Kconfig | 25 +++++++++++++------ kernel/bpf/preload/bpf_preload_kern.c | 20 ++------------- .../bpf/preload/iterators/iterators.lskel.h | 9 +++++-- tools/bpf/bpftool/gen.c | 15 ++++++++--- 6 files changed, 60 insertions(+), 33 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 9927564db88e..732d83764e6e 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -482,6 +482,14 @@ bgrt_disable [ACPI][X86] Disable BGRT to avoid flickering OEM logo. + bpf_preload_list= [BPF] + Specify a list of eBPF programs to preload. + Format: obj_name1,obj_name2,... + Default: bpf_preload + + Specify the list of eBPF programs to preload when the + bpf filesystem is mounted. + bttv.card= [HW,V4L] bttv (bt848 + bt878 based grabber cards) bttv.radio= Most important insmod options are available as kernel args too. diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c index 619cdef0ba54..c1941c65ce95 100644 --- a/kernel/bpf/inode.c +++ b/kernel/bpf/inode.c @@ -22,7 +22,14 @@ #include <linux/bpf_trace.h> #include <linux/bpf_preload.h> -static char *bpf_preload_list_str; +static char *bpf_preload_list_str = CONFIG_BPF_PRELOAD_LIST; + +static int __init bpf_preload_list_setup(char *str) +{ + bpf_preload_list_str = str; + return 1; +} +__setup("bpf_preload_list=", bpf_preload_list_setup); static void *bpf_any_get(void *raw, enum bpf_type type) { @@ -732,7 +739,12 @@ static bool bpf_preload_list_mod_get(void) struct bpf_preload_ops_item *cur; bool ret = false; - ret |= bpf_preload_mod_get("bpf_preload", &bpf_preload_ops); + /* + * Keep the legacy registration method, but do not attempt to load + * bpf_preload.ko, as it switched to the new registration method. + */ + if (bpf_preload_ops) + ret |= bpf_preload_mod_get("bpf_preload", &bpf_preload_ops); list_for_each_entry(cur, &preload_list, list) ret |= bpf_preload_mod_get(cur->obj_name, &cur->ops); diff --git a/kernel/bpf/preload/Kconfig b/kernel/bpf/preload/Kconfig index c9d45c9d6918..f878e537b0ff 100644 --- a/kernel/bpf/preload/Kconfig +++ b/kernel/bpf/preload/Kconfig @@ -4,7 +4,7 @@ config USERMODE_DRIVER default n menuconfig BPF_PRELOAD - bool "Preload BPF file system with kernel specific program and map iterators" + bool "Preload eBPF programs" depends on BPF depends on BPF_SYSCALL # The dependency on !COMPILE_TEST prevents it from being enabled @@ -12,15 +12,26 @@ menuconfig BPF_PRELOAD depends on !COMPILE_TEST select USERMODE_DRIVER help - This builds kernel module with several embedded BPF programs that are - pinned into BPF FS mount point as human readable files that are - useful in debugging and introspection of BPF programs and maps. + This enables preloading eBPF programs chosen from the kernel + configuration or from the kernel option bpf_preload_list=. if BPF_PRELOAD config BPF_PRELOAD_UMD - tristate "bpf_preload kernel module" + tristate "Preload BPF file system with kernel specific program and map iterators" default m help - This builds bpf_preload kernel module with embedded BPF programs for - introspection in bpffs. + This builds bpf_preload kernel module with several embedded BPF + programs that are pinned into BPF FS mount point as human readable + files that are useful in debugging and introspection of BPF programs + and maps. + +config BPF_PRELOAD_LIST + string "Ordered list of eBPF programs to preload" + default "bpf_preload" + help + A comma-separated list of eBPF programs to preload. Any eBPF program + left off this list will be ignored. This can be controlled at boot + with the "bpf_preload_list=" parameter. + + If unsure, leave this as the default. endif diff --git a/kernel/bpf/preload/bpf_preload_kern.c b/kernel/bpf/preload/bpf_preload_kern.c index 3839af367200..c6d97872225b 100644 --- a/kernel/bpf/preload/bpf_preload_kern.c +++ b/kernel/bpf/preload/bpf_preload_kern.c @@ -5,22 +5,6 @@ #include <linux/bpf_preload.h> #include "iterators/iterators.lskel.h" -static int __init load(void) -{ - int err; - - err = load_skel(); - if (err) - return err; - bpf_preload_ops = &ops; - return err; -} - -static void __exit fini(void) -{ - bpf_preload_ops = NULL; - free_objs_and_skel(); -} -late_initcall(load); -module_exit(fini); +late_initcall(load_skel); +module_exit(free_objs_and_skel); MODULE_LICENSE("GPL"); diff --git a/kernel/bpf/preload/iterators/iterators.lskel.h b/kernel/bpf/preload/iterators/iterators.lskel.h index 7595fc283a65..5e999564cc7a 100644 --- a/kernel/bpf/preload/iterators/iterators.lskel.h +++ b/kernel/bpf/preload/iterators/iterators.lskel.h @@ -440,6 +440,8 @@ static struct iterators_bpf *skel; static void free_objs_and_skel(void) { + bpf_preload_set_ops("bpf_preload", THIS_MODULE, NULL); + if (!IS_ERR_OR_NULL(dump_bpf_map_link)) bpf_link_put(dump_bpf_map_link); if (!IS_ERR_OR_NULL(dump_bpf_prog_link)) @@ -481,11 +483,14 @@ static struct bpf_preload_ops ops = { static int load_skel(void) { - int err; + int err = -ENOMEM; + + if (!bpf_preload_set_ops("bpf_preload", THIS_MODULE, &ops)) + return 0; skel = iterators_bpf__open(); if (!skel) - return -ENOMEM; + goto out; err = iterators_bpf__load(skel); if (err) diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c index 5593cbee1846..af939183f57a 100644 --- a/tools/bpf/bpftool/gen.c +++ b/tools/bpf/bpftool/gen.c @@ -700,7 +700,10 @@ static void codegen_preload_free(struct bpf_object *obj, const char *obj_name) \n\ static void free_objs_and_skel(void) \n\ { \n\ - "); + bpf_preload_set_ops(\"%s\", THIS_MODULE, NULL); \n\ + \n\ + ", !strcmp(obj_name, "iterators_bpf") ? + "bpf_preload" : obj_name); bpf_object__for_each_program(prog, obj) { codegen("\ @@ -864,11 +867,14 @@ static void codegen_preload_load(struct bpf_object *obj, const char *obj_name) \n\ static int load_skel(void) \n\ { \n\ - int err; \n\ + int err = -ENOMEM; \n\ + \n\ + if (!bpf_preload_set_ops(\"%2$s\", THIS_MODULE, &ops)) \n\ + return 0; \n\ \n\ skel = %1$s__open(); \n\ if (!skel) \n\ - return -ENOMEM; \n\ + goto out; \n\ \n\ err = %1$s__load(skel); \n\ if (err) \n\ @@ -877,7 +883,8 @@ static void codegen_preload_load(struct bpf_object *obj, const char *obj_name) err = %1$s__attach(skel); \n\ if (err) \n\ goto out; \n\ - ", obj_name); + ", obj_name, !strcmp(obj_name, "iterators_bpf") ? + "bpf_preload" : obj_name); bpf_object__for_each_program(prog, obj) { codegen("\ -- 2.32.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-03-28 17:54 UTC|newest] Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-03-28 17:50 [PATCH 00/18] bpf: Secure and authenticated preloading of eBPF programs Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 01/18] bpf: Export bpf_link_inc() Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 02/18] bpf-preload: Move bpf_preload.h to include/linux Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 03/18] bpf-preload: Generalize object pinning from the kernel Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 04/18] bpf-preload: Export and call bpf_obj_do_pin_kernel() Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 05/18] bpf-preload: Generate static variables Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-29 23:51 ` Andrii Nakryiko 2022-03-29 23:51 ` Andrii Nakryiko 2022-03-30 7:44 ` Roberto Sassu 2022-03-30 7:44 ` Roberto Sassu 2022-04-04 0:22 ` Andrii Nakryiko 2022-04-04 0:22 ` Andrii Nakryiko 2022-03-30 15:12 ` Roberto Sassu 2022-03-30 15:12 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 06/18] bpf-preload: Generate free_objs_and_skel() Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 07/18] bpf-preload: Generate preload() Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 08/18] bpf-preload: Generate load_skel() Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 09/18] bpf-preload: Generate code to pin non-internal maps Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 10/18] bpf-preload: Generate bpf_preload_ops Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 11/18] bpf-preload: Store multiple bpf_preload_ops structures in a linked list Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 12/18] bpf-preload: Implement new registration method for preloading eBPF programs Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 13/18] bpf-preload: Move pinned links and maps to a dedicated directory in bpffs Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu [this message] 2022-03-28 17:50 ` [PATCH 14/18] bpf-preload: Switch to new preload registration method Roberto Sassu 2022-03-29 2:35 ` kernel test robot 2022-03-29 2:35 ` kernel test robot 2022-03-29 3:27 ` kernel test robot 2022-03-29 3:27 ` kernel test robot 2022-03-28 17:50 ` [PATCH 15/18] bpf-preload: Generate code of kernel module to preload Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 16/18] bpf-preload: Do kernel mount to ensure that pinned objects don't disappear Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-29 2:15 ` kernel test robot 2022-03-29 2:15 ` kernel test robot 2022-03-29 4:08 ` kernel test robot 2022-03-29 4:08 ` kernel test robot 2022-03-28 17:50 ` [PATCH 17/18] bpf-preload/selftests: Add test for automatic generation of preload methods Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-28 17:50 ` [PATCH 18/18] bpf-preload/selftests: Preload a test eBPF program and check pinned objects Roberto Sassu 2022-03-28 17:50 ` Roberto Sassu 2022-03-29 23:51 ` [PATCH 00/18] bpf: Secure and authenticated preloading of eBPF programs Andrii Nakryiko 2022-03-29 23:51 ` Andrii Nakryiko 2022-03-30 7:21 ` Roberto Sassu 2022-03-30 7:21 ` Roberto Sassu 2022-03-31 2:27 ` Alexei Starovoitov 2022-03-31 2:27 ` Alexei Starovoitov 2022-03-31 8:25 ` Roberto Sassu 2022-03-31 8:25 ` Roberto Sassu 2022-04-01 23:55 ` Alexei Starovoitov 2022-04-01 23:55 ` Alexei Starovoitov 2022-04-02 1:03 ` KP Singh 2022-04-02 1:03 ` KP Singh 2022-04-04 7:44 ` Djalal Harouni 2022-04-04 7:44 ` Djalal Harouni 2022-04-04 17:20 ` Roberto Sassu 2022-04-04 17:20 ` Roberto Sassu 2022-04-04 22:49 ` Alexei Starovoitov 2022-04-04 22:49 ` Alexei Starovoitov 2022-04-05 0:00 ` KP Singh 2022-04-05 0:00 ` KP Singh 2022-04-05 13:11 ` [POC][USER SPACE][PATCH] Introduce LSM to protect pinned objects Roberto Sassu 2022-04-05 13:11 ` Roberto Sassu 2022-04-05 22:47 ` Casey Schaufler 2022-04-05 22:47 ` Casey Schaufler 2022-04-06 6:55 ` Roberto Sassu 2022-04-06 6:55 ` Roberto Sassu 2022-04-05 14:49 ` [PATCH 00/18] bpf: Secure and authenticated preloading of eBPF programs Casey Schaufler 2022-04-05 14:49 ` Casey Schaufler 2022-04-05 15:29 ` Roberto Sassu 2022-04-05 15:29 ` Roberto Sassu 2022-04-05 16:21 ` Casey Schaufler 2022-04-05 16:21 ` Casey Schaufler 2022-04-05 16:37 ` KP Singh 2022-04-05 16:37 ` KP Singh 2022-04-04 17:41 ` Roberto Sassu 2022-04-04 17:41 ` Roberto Sassu
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