Anton Protopopov 1ea0f9120c bpf: Fix map permissions check ...

The map_lookup_and_delete_elem() function should check for both FMODE_CAN_WRITE
and FMODE_CAN_READ permissions because it returns a map element to user space.

Fixes: bd513cd08f ("bpf: add MAP_LOOKUP_AND_DELETE_ELEM syscall")
Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200527185700.14658-5-a.s.protopopov@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

2020-06-01 14:38:21 -07:00

..

arraymap.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2020-05-15 13:48:59 -07:00

bpf_iter.c

bpf: Enable bpf_iter targets registering ctx argument types

2020-05-13 12:30:50 -07:00

bpf_lru_list.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206

2019-05-30 11:29:53 -07:00

bpf_lru_list.h

bpf: Fix a typo "inacitve" -> "inactive"

2020-04-06 21:54:10 +02:00

bpf_lsm.c

bpf: lsm: Implement attach, detach and execution

2020-03-30 01:34:00 +02:00

bpf_struct_ops_types.h

bpf: tcp: Support tcp_congestion_ops in bpf

2020-01-09 08:46:18 -08:00

bpf_struct_ops.c

bpf: Implement CAP_BPF

2020-05-15 17:29:41 +02:00

btf.c

bpf: Enable bpf_iter targets registering ctx argument types

2020-05-13 12:30:50 -07:00

cgroup.c

bpf: Add support for BPF_OBJ_GET_INFO_BY_FD for bpf_link

2020-04-28 17:27:08 -07:00

core.c

bpf: Fix spelling in comment explaining ARG1 in ___bpf_prog_run

2020-06-01 14:38:20 -07:00

cpumap.c

bpf: Implement CAP_BPF

2020-05-15 17:29:41 +02:00

devmap.c

xdp: export the DEV_MAP_BULK_SIZE macro

2020-04-22 20:11:29 -07:00

disasm.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295

2019-06-05 17:36:38 +02:00

disasm.h

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295

2019-06-05 17:36:38 +02:00

dispatcher.c

bpf: Remove bpf_image tree

2020-03-13 12:49:52 -07:00

hashtab.c

bpf: Implement CAP_BPF

2020-05-15 17:29:41 +02:00

helpers.c

bpf: Extend bpf_base_func_proto helpers with probe_* and *current_task*

2020-06-01 14:38:20 -07:00

inode.c

bpf: Create file bpf iterator

2020-05-09 17:05:26 -07:00

local_storage.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2019-12-22 09:54:33 -08:00

lpm_trie.c

bpf: Implement CAP_BPF

2020-05-15 17:29:41 +02:00

Makefile

xsk: Move xskmap.c to net/xdp/

2020-05-21 17:31:26 -07:00

map_in_map.c

bpf: Implement CAP_BPF

2020-05-15 17:29:41 +02:00

map_in_map.h

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206

2019-05-30 11:29:53 -07:00

map_iter.c

bpf: Enable bpf_iter targets registering ctx argument types

2020-05-13 12:30:50 -07:00

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: Dont iterate over possible CPUs with interrupts disabled

2020-02-24 16:18:20 -08:00

percpu_freelist.h

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206

2019-05-30 11:29:53 -07:00

queue_stack_maps.c

bpf: Implement CAP_BPF

2020-05-15 17:29:41 +02:00

reuseport_array.c

bpf: Implement CAP_BPF

2020-05-15 17:29:41 +02:00

stackmap.c

bpf: Implement CAP_BPF

2020-05-15 17:29:41 +02:00

syscall.c

bpf: Fix map permissions check

2020-06-01 14:38:21 -07:00

sysfs_btf.c

bpf: Support llvm-objcopy for vmlinux BTF

2020-03-19 12:32:38 +01:00

task_iter.c

bpf: Fix bpf_iter's task iterator logic

2020-05-14 18:37:32 -07:00

tnum.c

bpf: Verifier, do explicit ALU32 bounds tracking

2020-03-30 14:59:53 -07:00

trampoline.c

bpf: lsm: Implement attach, detach and execution

2020-03-30 01:34:00 +02:00

verifier.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2020-05-31 17:48:46 -07:00