Hou Tao 986deb297d bpf: Call the missed kfree() when there is no special field in btf ... Call the missed kfree() in btf_parse_struct_metas() when there is no special field in btf, otherwise will get the following kmemleak report: unreferenced object 0xffff888101033620 (size 8): comm "test_progs", pid 604, jiffies 4295127011 ...... backtrace (crc e77dc444): [<00000000186f90f3>] kmemleak_alloc+0x4b/0x80 [<00000000ac8e9c4d>] __kmalloc_cache_noprof+0x2a1/0x310 [<00000000d99d68d6>] btf_new_fd+0x72d/0xe90 [<00000000f010b7f8>] __sys_bpf+0xec3/0x2410 [<00000000e077ed6f>] __x64_sys_bpf+0x1f/0x30 [<00000000a12f9e55>] x64_sys_call+0x199/0x9f0 [<00000000f3029ea6>] do_syscall_64+0x3b/0xc0 [<000000005640913a>] entry_SYSCALL_64_after_hwframe+0x4b/0x53 Fixes: 7a851ecb18 ("bpf: Search for kptrs in prog BTF structs") Signed-off-by: Hou Tao <houtao1@huawei.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/r/20240912012845.3458483-3-houtao@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>		2024-09-13 16:51:08 -07:00
..
preload	bpf: make preloaded map iterators to display map elements count	2023-07-06 12:42:25 -07:00
arena.c	bpf: Fix remap of arena.	2024-06-18 17:19:46 +02:00
arraymap.c	bpf: Check percpu map value size first	2024-09-11 13:22:37 -07:00
bloom_filter.c	bpf: Check bloom filter map value size	2024-03-27 09:56:17 -07:00
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	Networking changes for 6.4.	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: fix order of args in call to bpf_map_kvcalloc	2024-07-10 15:31:19 -07:00
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, lsm: Add check for BPF LSM return value	2024-07-29 13:09:22 -07:00
bpf_struct_ops.c	bpf: Check unsupported ops from the bpf_struct_ops's cfi_stubs	2024-07-29 12:54:13 -07:00
bpf_task_storage.c	bpf: Teach verifier that certain helpers accept NULL pointer.	2023-04-04 16:57:16 -07:00
btf_iter.c	bpf: Remove custom build rule	2024-08-30 08:55:26 -07:00
btf_relocate.c	bpf: Remove custom build rule	2024-08-30 08:55:26 -07:00
btf.c	bpf: Call the missed kfree() when there is no special field in btf	2024-09-13 16:51:08 -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	bpf: Allow bpf_current_task_under_cgroup() with BPF_CGROUP_*	2024-08-19 15:25:30 -07:00
core.c	bpf: Prevent tail call between progs attached to different hooks	2024-07-29 13:09:26 -07:00
cpumap.c	net: Move flush list retrieval to where it is used.	2024-07-02 15:26:57 +02:00
cpumask.c	bpf: Allow invoking kfuncs from BPF_PROG_TYPE_SYSCALL progs	2024-04-05 10:56:09 -07:00
crypto.c	bpf: crypto: make state and IV dynptr nullable	2024-06-13 16:33:04 -07:00
devmap.c	bpf-next-for-netdev	2024-07-09 17:01:46 +02:00
disasm.c	bpf: add special internal-only MOV instruction to resolve per-CPU addrs	2024-04-03 10:29:55 -07:00
disasm.h
dispatcher.c	bpf: Use arch_bpf_trampoline_size	2023-12-06 17:17:20 -08:00
hashtab.c	bpf: Check percpu map value size first	2024-09-11 13:22:37 -07:00
helpers.c	bpf: Zero former ARG_PTR_TO_{LONG,INT} args in case of error	2024-09-13 13:17:56 -07:00
inode.c	bpf: Simplify character output in seq_print_delegate_opts()	2024-07-29 12:53:04 -07:00
Kconfig	bpf: remove CONFIG_BPF_JIT dependency on CONFIG_MODULES of	2024-05-14 00:36:29 -07:00
link_iter.c	bpf: Add bpf_link iterator	2022-05-10 11:20:45 -07:00
local_storage.c	bpf: Replace 8 seq_puts() calls by seq_putc() calls	2024-07-29 12:53:00 -07:00
log.c	bpf: remove redeclaration of new_n in bpf_verifier_vlog	2024-06-20 19:50:26 -07:00
lpm_trie.c	bpf: Avoid kfree_rcu() under lock in bpf_lpm_trie.	2024-03-29 11:10:41 -07:00
Makefile	bpf: Remove custom build rule	2024-08-30 08:55:26 -07:00
map_in_map.c	bpf: save extended inner map info for percpu array maps as well	2024-05-15 09:34:54 -07:00
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: Fix percpu address space issues	2024-08-22 08:01:50 -07:00
mmap_unlock_work.h
mprog.c	bpf: Handle bpf_mprog_query with NULL entry	2023-10-06 17:11:20 -07:00
net_namespace.c
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
prog_iter.c
queue_stack_maps.c	bpf: Avoid deadlock when using queue and stack maps from NMI	2023-09-11 19:04:49 -07:00
relo_core.c	bpf: Remove custom build rule	2024-08-30 08:55:26 -07:00
reuseport_array.c	bpf: Use sockfd_put() helper	2024-08-30 08:57:47 -07:00
ringbuf.c	bpf: Fix overrunning reservations in ringbuf	2024-06-21 13:04:21 -07:00
stackmap.c	bpf: wire up sleepable bpf_get_stack() and bpf_get_task_stack() helpers	2024-09-11 09:58:31 -07:00
syscall.c	bpf: Call the missed btf_record_free() when map creation fails	2024-09-13 16:51:08 -07:00
sysfs_btf.c	btf: Avoid weak external references	2024-04-16 16:35:13 +02:00
task_iter.c	bpf: Remove unnecessary loop in task_file_seq_get_next()	2024-07-08 16:23:19 +02:00
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	Networking changes for 6.10.	2024-05-14 19:42:24 -07:00
verifier.c	bpf: Improve check_raw_mode_ok test for MEM_UNINIT-tagged types	2024-09-13 13:17:56 -07:00