Peng Sun 781e62823c bpf: decrease usercnt if bpf_map_new_fd() fails in bpf_map_get_fd_by_id() ...

In bpf/syscall.c, bpf_map_get_fd_by_id() use bpf_map_inc_not_zero()
to increase the refcount, both map->refcnt and map->usercnt. Then, if
bpf_map_new_fd() fails, should handle map->usercnt too.

Fixes: bd5f5f4ecb ("bpf: Add BPF_MAP_GET_FD_BY_ID")
Signed-off-by: Peng Sun <sironhide0null@gmail.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

2019-02-26 19:08:30 +01:00

..

arraymap.c

bpf: pass struct btf pointer to the map_check_btf() callback

2018-12-12 15:33:33 -08:00

bpf_lru_list.c

bpf: lru: Lower the PERCPU_NR_SCANS from 16 to 4

2017-04-17 13:55:52 -04:00

bpf_lru_list.h

bpf: Only set node->ref = 1 if it has not been set

2017-09-01 09:57:39 -07:00

btf.c

bpf: btf: allow typedef func_proto

2019-01-29 19:15:32 -08:00

cgroup.c

bpf: run bpf programs with preemption disabled

2019-01-31 23:14:55 +01:00

core.c

bpf: enable access to ax register also from verifier rewrite

2019-01-02 16:01:24 -08:00

cpumap.c

bpf/cpumap: make sure frame_size for build_skb is aligned if headroom isn't

2018-12-20 23:19:12 +01:00

devmap.c

bpf: devmap: fix wrong interface selection in notifier_call

2018-10-26 00:32:21 +02:00

disasm.c

bpf: Remove struct bpf_verifier_env argument from print_bpf_insn

2018-03-23 17:38:57 +01:00

disasm.h

bpf: Remove struct bpf_verifier_env argument from print_bpf_insn

2018-03-23 17:38:57 +01:00

hashtab.c

bpf: fix lockdep false positive in percpu_freelist

2019-01-31 23:18:21 +01:00

helpers.c

bpf: fix direct packet write into pop/peek helpers

2018-10-25 17:02:06 -07:00

inode.c

bpf: decouple btf from seq bpf fs dump and enable more maps

2018-08-13 00:52:45 +02:00

local_storage.c

bpf: enable cgroup local storage map pretty print with kind_flag

2018-12-18 01:11:59 +01:00

lpm_trie.c

bpf, lpm: fix lookup bug in map_delete_elem

2019-02-22 16:17:53 +01:00

Makefile

bpf: add queue and stack maps

2018-10-19 13:24:31 -07:00

map_in_map.c

bpf: fix inner map masking to prevent oob under speculation

2019-01-18 15:19:56 -08:00

map_in_map.h

bpf: Add syscall lookup support for fd array and htab

2017-06-29 13:13:25 -04:00

offload.c

bpf: fix null pointer dereference on pointer offload

2018-11-16 20:48:27 -08:00

percpu_freelist.c

bpf: fix lockdep false positive in percpu_freelist

2019-01-31 23:18:21 +01:00

percpu_freelist.h

bpf: fix lockdep false positive in percpu_freelist

2019-01-31 23:18:21 +01:00

queue_stack_maps.c

bpf: fix integer overflow in queue_stack_map

2018-11-22 21:29:40 +01:00

reuseport_array.c

bpf: Introduce BPF_MAP_TYPE_REUSEPORT_SOCKARRAY

2018-08-11 01:58:46 +02:00

stackmap.c

bpf: fix lockdep false positive in stackmap

2019-02-11 16:36:24 +01:00

syscall.c

bpf: decrease usercnt if bpf_map_new_fd() fails in bpf_map_get_fd_by_id()

2019-02-26 19:08:30 +01:00

tnum.c

bpf/verifier: improve register value range tracking with ARSH

2018-04-29 08:45:53 -07:00

verifier.c

bpf: Fix narrow load on a bpf_sock returned from sk_lookup()

2019-02-09 19:57:22 -08:00

xskmap.c

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

2018-10-19 11:03:06 -07:00