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linux/kernel/bpf
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Christophe Leroy 7d2cc63eca bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro() 
set_memory_ro() can fail, leaving memory unprotected.

Check its return and take it into account as an error.

Link: https://github.com/KSPP/linux/issues/7
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: linux-hardening@vger.kernel.org <linux-hardening@vger.kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Message-ID: <286def78955e04382b227cb3e4b6ba272a7442e3.1709850515.git.christophe.leroy@csgroup.eu>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2024-03-14 19:28:52 -07:00
..
preload
bpf: make preloaded map iterators to display map elements count
2023-07-06 12:42:25 -07:00
arena.c
bpf: Introduce bpf_arena.
2024-03-11 15:37:23 -07:00
arraymap.c
bpf: Consistently use BPF token throughout BPF verifier logic
2024-01-24 16:21:01 -08:00
bloom_filter.c
bpf: Centralize permissions checks for all BPF map types
2023-06-19 14:04:04 +02:00
bpf_cgrp_storage.c
bpf: Enable bpf_cgrp_storage for cgroup1 non-attach case
2023-12-08 17:08:18 -08:00
bpf_inode_storage.c
Merge tag 'net-next-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2023-04-26 16:07:23 -07:00
bpf_iter.c
bpf: move sleepable flag from bpf_prog_aux to bpf_prog
2024-03-11 16:41:25 -07:00
bpf_local_storage.c
bpf: Allow compiler to inline most of bpf_local_storage_lookup()
2024-02-11 14:06:24 -08:00
bpf_lru_list.c
bpf: Address KCSAN report on bpf_lru_list
2023-05-12 12:01:03 -07:00
bpf_lru_list.h
bpf: lru: Remove unused declaration bpf_lru_promote()
2023-08-08 17:21:42 -07:00
bpf_lsm.c
bpf: Minor clean-up to sleepable_lsm_hooks BTF set
2024-02-01 18:37:45 +01:00
bpf_struct_ops.c
bpf: struct_ops supports more than one page for trampolines.
2024-03-04 14:09:20 -08:00
bpf_task_storage.c
bpf: Teach verifier that certain helpers accept NULL pointer.
2023-04-04 16:57:16 -07:00
btf.c
bpf: Recognize btf_decl_tag("arg: Arena") as PTR_TO_ARENA.
2024-03-11 15:37:24 -07:00
cgroup_iter.c
bpf: Let verifier consider {task,cgroup} is trusted in bpf_iter_reg
2023-11-07 15:24:25 -08:00
cgroup.c
net: adopt skb_network_offset() and similar helpers
2024-03-04 08:47:06 +00:00
core.c
bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()
2024-03-14 19:28:52 -07:00
cpumap.c
net: move skbuff_cache(s) to net_hotdata
2024-03-07 21:12:42 -08:00
cpumask.c
bpf: treewide: Annotate BPF kfuncs in BTF
2024-01-31 20:40:56 -08:00
devmap.c
bpf: Fix DEVMAP_HASH overflow check on 32-bit arches
2024-03-07 20:02:38 -08:00
disasm.c
bpf: Disasm support for addr_space_cast instruction.
2024-03-11 15:37:24 -07:00
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: Use arch_bpf_trampoline_size
2023-12-06 17:17:20 -08:00
hashtab.c
bpf: Fix hashtab overflow check on 32-bit arches
2024-03-07 20:05:56 -08:00
helpers.c
Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2024-03-02 20:50:59 -08:00
inode.c
bpf: Support symbolic BPF FS delegation mount options
2024-01-24 16:21:02 -08:00
Kconfig
bpf: Merge two CONFIG_BPF entries
2024-02-07 16:38:20 -08:00
link_iter.c
bpf: Add bpf_link iterator
2022-05-10 11:20:45 -07:00
local_storage.c
Merge tag 'cgroup-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2023-04-29 10:05:22 -07:00
log.c
bpf: Recognize addr_space_cast instruction in the verifier.
2024-03-11 15:37:24 -07:00
lpm_trie.c
bpf: Replace bpf_lpm_trie_key 0-length array with flexible array
2024-02-29 22:52:43 +01:00
Makefile
bpf: Introduce bpf_arena.
2024-03-11 15:37:23 -07:00
map_in_map.c
bpf: Optimize the free of inner map
2023-12-04 17:50:26 -08:00
map_in_map.h
bpf: Add map and need_defer parameters to .map_fd_put_ptr()
2023-12-04 17:50:26 -08:00
map_iter.c
bpf: treewide: Annotate BPF kfuncs in BTF
2024-01-31 20:40:56 -08:00
memalloc.c
bpf: Remove unnecessary cpu == 0 check in memalloc
2024-01-04 10:18:14 -08:00
mmap_unlock_work.h
bpf: Introduce helper bpf_find_vma
2021-11-07 11:54:51 -08:00
mprog.c
bpf: Handle bpf_mprog_query with NULL entry
2023-10-06 17:11:20 -07:00
net_namespace.c
net: Add includes masked by netdevice.h including uapi/bpf.h
2021-12-29 20:03:05 -08:00
offload.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-09-21 21:49:45 +02:00
percpu_freelist.c
bpf: Initialize same number of free nodes for each pcpu_freelist
2022-11-11 12:05:14 -08:00
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: Avoid deadlock when using queue and stack maps from NMI
2023-09-11 19:04:49 -07:00
reuseport_array.c
bpf: Centralize permissions checks for all BPF map types
2023-06-19 14:04:04 +02:00
ringbuf.c
bpf: Fold smp_mb__before_atomic() into atomic_set_release()
2023-10-24 14:26:07 +02:00
stackmap.c
bpf: Fix stackmap overflow check on 32-bit arches
2024-03-07 20:06:25 -08:00
syscall.c
bpf: move sleepable flag from bpf_prog_aux to bpf_prog
2024-03-11 16:41:25 -07:00
sysfs_btf.c
bpf: Load and verify kernel module BTFs
2020-11-10 15:25:53 -08:00
task_iter.c
bpf: Fix an issue due to uninitialized bpf_iter_task
2024-02-19 12:28:15 +01:00
tcx.c
bpf, tcx: Get rid of tcx_link_const
2023-10-23 15:01:53 -07:00
tnum.c
bpf: simplify tnum output if a fully known constant
2023-12-02 11:36:51 -08:00
token.c
bpf,token: Use BIT_ULL() to convert the bit mask
2024-01-29 20:04:55 -08:00
trampoline.c
bpf: move sleepable flag from bpf_prog_aux to bpf_prog
2024-03-11 16:41:25 -07:00
verifier.c
bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()
2024-03-14 19:28:52 -07:00