Christophe Leroy a359696856 bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro() ...

[ Upstream commit 7d2cc63eca ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-07-05 09:14:42 +02:00

..

preload

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arraymap.c

bpf: Add map and need_defer parameters to .map_fd_put_ptr()

2024-02-23 08:54:42 +01:00

bpf_inode_storage.c

…

bpf_iter.c

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bpf_local_storage.c

…

bpf_lru_list.c

bpf: Address KCSAN report on bpf_lru_list

2024-03-01 13:21:55 +01:00

bpf_lru_list.h

bpf: Address KCSAN report on bpf_lru_list

2024-03-01 13:21:55 +01:00

bpf_lsm.c

…

bpf_struct_ops_types.h

…

bpf_struct_ops.c

…

bpf_task_storage.c

…

btf.c

bpf: Generalize check_ctx_reg for reuse with other types

2024-04-27 17:05:23 +02:00

cgroup.c

bpf: Don't EFAULT for {g,s}setsockopt with wrong optlen

2023-07-23 13:46:49 +02:00

core.c

bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()

2024-07-05 09:14:42 +02:00

cpumap.c

xdp: Move conversion to xdp_frame out of map functions

2024-05-17 11:50:47 +02:00

devmap.c

xdp: Move conversion to xdp_frame out of map functions

2024-05-17 11:50:47 +02:00

disasm.c

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disasm.h

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dispatcher.c

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hashtab.c

bpf: Fix hashtab overflow check on 32-bit arches

2024-03-26 18:21:22 -04:00

helpers.c

bpf: Mark bpf_spin_{lock,unlock}() helpers with notrace correctly

2024-03-26 18:21:19 -04:00

inode.c

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Kconfig

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local_storage.c

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lpm_trie.c

bpf, lpm: Fix check prefixlen before walking trie

2024-01-25 14:52:36 -08:00

Makefile

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map_in_map.c

bpf: Defer the free of inner map when necessary

2024-03-26 18:21:12 -04:00

map_in_map.h

bpf: Add map and need_defer parameters to .map_fd_put_ptr()

2024-02-23 08:54:42 +01:00

map_iter.c

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net_namespace.c

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offload.c

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percpu_freelist.c

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percpu_freelist.h

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prog_iter.c

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queue_stack_maps.c

bpf: Avoid deadlock when using queue and stack maps from NMI

2023-10-06 13:18:04 +02:00

reuseport_array.c

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ringbuf.c

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stackmap.c

bpf: Fix stackmap overflow check on 32-bit arches

2024-03-26 18:21:22 -04:00

syscall.c

bpf: Defer the free of inner map when necessary

2024-03-26 18:21:12 -04:00

sysfs_btf.c

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task_iter.c

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tnum.c

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trampoline.c

x86/ibt,ftrace: Search for __fentry__ location

2024-07-05 09:14:12 +02:00

verifier.c

bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()

2024-07-05 09:14:42 +02:00