Kumar Kartikeya Dwivedi 7ada3787e9 bpf: Check for NULL return from bpf_get_btf_vmlinux ...

When CONFIG_DEBUG_INFO_BTF is disabled, bpf_get_btf_vmlinux can return a
NULL pointer. Check for it in btf_get_module_btf to prevent a NULL pointer
dereference.

While kernel test robot only complained about this specific case, let's
also check for NULL in other call sites of bpf_get_btf_vmlinux.

Fixes: 9492450fd2 ("bpf: Always raise reference in btf_get_module_btf")
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220320143003.589540-1-memxor@gmail.com

2022-03-20 19:21:38 -07:00

..

preload

bpf: Remove redundant slash

2022-03-07 22:19:32 -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: Enable non-atomic allocations in local storage

2022-03-20 18:55:05 -07:00

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: Enable non-atomic allocations in local storage

2022-03-20 18:55:05 -07:00

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

bpf-lsm: Make bpf_lsm_kernel_read_file() as sleepable

2022-03-10 18:57:55 -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_struct_ops.c

bpf: Rename btf_member accessors.

2021-12-02 11:18:34 -08:00

bpf_task_storage.c

bpf: Enable non-atomic allocations in local storage

2022-03-20 18:55:05 -07:00

btf.c

bpf: Check for NULL return from bpf_get_btf_vmlinux

2022-03-20 19:21:38 -07:00

cgroup.c

bpf: Cleanup comments

2022-02-23 15:17:51 -08:00

core.c

bpf: Select proper size for bpf_prog_pack

2022-03-20 19:07:14 -07:00

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: Cleanup comments

2022-02-23 15:17:51 -08:00

helpers.c

bpf: Replace strncpy() with strscpy()

2022-03-07 22:04:33 -08:00

inode.c

bpf: Convert bpf_preload.ko to use light skeleton.

2022-02-10 23:31:51 +01:00

Kconfig

bpf: Add "live packet" mode for XDP in BPF_PROG_RUN

2022-03-09 14:19:22 -08:00

local_storage.c

bpf: Cleanup comments

2022-02-23 15:17:51 -08:00

lpm_trie.c

bpf: Fix typo in a comment in bpf lpm_trie.

2021-12-30 18:42:34 -08:00

Makefile

bpf: Prepare relo_core.c for kernel duty.

2021-12-02 11:18:34 -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: Cleanup comments

2022-02-23 15:17:51 -08:00

ringbuf.c

bpf: Use VM_MAP instead of VM_ALLOC for ringbuf

2022-02-02 23:15:24 -08:00

stackmap.c

bpf: Adjust BPF stack helper functions to accommodate skip > 0

2022-03-20 19:16:23 -07:00

syscall.c

bpf: Add cookie support to programs attached with kprobe multi link

2022-03-17 20:17:19 -07:00

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: Cleanup comments

2022-02-23 15:17:51 -08:00

verifier.c

bpf: Enable non-atomic allocations in local storage

2022-03-20 18:55:05 -07:00