Kenny Yu 376040e473 bpf: Add bpf_copy_from_user_task() helper ... This adds a helper for bpf programs to read the memory of other tasks. As an example use case at Meta, we are using a bpf task iterator program and this new helper to print C++ async stack traces for all threads of a given process. Signed-off-by: Kenny Yu <kennyyu@fb.com> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20220124185403.468466-3-kennyyu@fb.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>		2022-01-24 19:59:27 -08:00
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preload	bpf/preload: Clean up .gitignore and "clean-files" target	2021-10-20 10:39:04 -07:00
Kconfig	bpf: Disallow unprivileged bpf by default	2021-11-01 17:06:47 +01:00
Makefile	bpf: Prepare relo_core.c for kernel duty.	2021-12-02 11:18:34 -08:00
arraymap.c	bpf: generalise tail call map compatibility check	2022-01-21 14:14:03 -08:00
bloom_filter.c	bpf: Add missing map_get_next_key method to bloom filter map.	2021-12-29 09:38:31 -08:00
bpf_inode_storage.c	bpf: Allow bpf_local_storage to be used by sleepable programs	2021-12-29 17:54:40 -08:00
bpf_iter.c	bpf: Add support for bpf iterator programs to use sleepable helpers	2022-01-24 19:55:40 -08:00
bpf_local_storage.c	bpf: Allow bpf_local_storage to be used by sleepable programs	2021-12-29 17:54:40 -08:00
bpf_lru_list.c	bpf_lru_list: Read double-checked variable once without lock	2021-02-10 15:54:26 -08:00
bpf_lru_list.h	bpf: Fix a typo "inacitve" -> "inactive"	2020-04-06 21:54:10 +02:00
bpf_lsm.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next	2021-06-17 11:54:56 -07:00
bpf_struct_ops.c	bpf: Rename btf_member accessors.	2021-12-02 11:18:34 -08:00
bpf_struct_ops_types.h	bpf: Add dummy BPF STRUCT_OPS for test purpose	2021-11-01 14:10:00 -07:00
bpf_task_storage.c	bpf: Allow bpf_local_storage to be used by sleepable programs	2021-12-29 17:54:40 -08:00
btf.c	Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next	2022-01-24 15:42:29 -08:00
cgroup.c	bpf: Add cgroup helpers bpf_{get,set}_retval to get/set syscall return value	2022-01-19 12:51:30 -08:00
core.c	bpf: generalise tail call map compatibility check	2022-01-21 14:14:03 -08:00
cpumap.c	bpf: generalise tail call map compatibility check	2022-01-21 14:14:03 -08:00
devmap.c	bpf: generalise tail call map compatibility check	2022-01-21 14:14:03 -08:00
disasm.c	bpf: Relicense disassembler as GPL-2.0-only OR BSD-2-Clause	2021-09-02 14:49:23 +02:00
disasm.h	bpf: Relicense disassembler as GPL-2.0-only OR BSD-2-Clause	2021-09-02 14:49:23 +02:00
dispatcher.c	bpf: Remove bpf_image tree	2020-03-13 12:49:52 -07:00
hashtab.c	bpf: Replace callers of BPF_CAST_CALL with proper function typedef	2021-09-28 16:27:18 -07:00
helpers.c	bpf: Add bpf_copy_from_user_task() helper	2022-01-24 19:59:27 -08:00
inode.c	bpf: Fix mount source show for bpffs	2022-01-11 10:48:17 +01:00
local_storage.c	bpf: Use struct_size() helper	2021-12-21 15:35:48 -08:00
lpm_trie.c	bpf: Fix typo in a comment in bpf lpm_trie.	2021-12-30 18:42:34 -08:00
map_in_map.c	bpf: Remember BTF of inner maps.	2021-07-15 22:31:10 +02:00
map_in_map.h	bpf: Add map_meta_equal map ops	2020-08-28 15:41:30 +02:00
map_iter.c	bpf: Introduce MEM_RDONLY flag	2021-12-18 13:27:41 -08:00
mmap_unlock_work.h	bpf: Introduce helper bpf_find_vma	2021-11-07 11:54:51 -08:00
net_namespace.c	net: Add includes masked by netdevice.h including uapi/bpf.h	2021-12-29 20:03:05 -08:00
offload.c	bpf, offload: Replace bitwise AND by logical AND in bpf_prog_offload_info_fill	2020-02-17 16:53:49 +01:00
percpu_freelist.c	bpf: Use raw_spin_trylock() for pcpu_freelist_push/pop in NMI	2020-10-06 00:04:11 +02:00
percpu_freelist.h	bpf: Use raw_spin_trylock() for pcpu_freelist_push/pop in NMI	2020-10-06 00:04:11 +02:00
prog_iter.c	bpf: Refactor bpf_iter_reg to have separate seq_info member	2020-07-25 20:16:32 -07:00
queue_stack_maps.c	bpf: Eliminate rlimit-based memory accounting for queue_stack_maps maps	2020-12-02 18:32:46 -08:00
reuseport_array.c	bpf: Use struct_size() helper	2021-12-21 15:35:48 -08:00
ringbuf.c	bpf: Add MEM_RDONLY for helper args that are pointers to rdonly mem.	2021-12-18 13:27:41 -08:00
stackmap.c	bpf: Introduce btf_tracing_ids	2021-11-12 10:19:09 -08:00
syscall.c	bpf: generalise tail call map compatibility check	2022-01-21 14:14:03 -08:00
sysfs_btf.c	bpf: Load and verify kernel module BTFs	2020-11-10 15:25:53 -08:00
task_iter.c	bpf: Introduce btf_tracing_ids	2021-11-12 10:19:09 -08:00
tnum.c	bpf, tnums: Provably sound, faster, and more precise algorithm for tnum_mul	2021-06-01 13:34:15 +02:00
trampoline.c	bpf: Add get_func_[arg|ret|arg_cnt] helpers	2021-12-13 09:25:59 -08:00
verifier.c	Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next	2022-01-24 15:42:29 -08:00