Dan Carpenter f740c34ee5 bpf: fix oops on allocation failure ...

"err" is set to zero if bpf_map_area_alloc() fails so it means we return
ERR_PTR(0) which is NULL.  The caller, find_and_alloc_map(), is not
expecting NULL returns and will oops.

Fixes: 174a79ff9515 ("bpf: sockmap with sk redirect support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2017-08-28 15:23:34 -07:00

..

arraymap.c

bpf: inline map in map lookup functions for array and htab

2017-08-19 21:56:34 -07:00

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: Add percpu LRU list

2016-11-15 11:50:20 -05:00

cgroup.c

bpf: BPF support for sock_ops

2017-07-01 16:15:13 -07:00

core.c

bpf: sock_map fixes for !CONFIG_BPF_SYSCALL and !STREAM_PARSER

2017-08-16 15:34:13 -07:00

devmap.c

bpf: netdev is never null in __dev_map_flush

2017-08-23 22:43:40 -07:00

hashtab.c

bpf: fix map value attribute for hash of maps

2017-08-22 16:31:00 -07:00

helpers.c

bpf: rename ARG_PTR_TO_STACK

2017-01-09 16:56:27 -05:00

inode.c

bpf: Implement show_options

2017-07-06 03:31:46 -04:00

lpm_trie.c

bpf: Allow selecting numa node during map creation

2017-08-19 21:35:43 -07:00

Makefile

bpf: sock_map fixes for !CONFIG_BPF_SYSCALL and !STREAM_PARSER

2017-08-16 15:34:13 -07:00

map_in_map.c

bpf: Add syscall lookup support for fd array and htab

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

map_in_map.h

bpf: Add syscall lookup support for fd array and htab

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

percpu_freelist.c

bpf: introduce percpu_freelist

2016-03-08 15:28:31 -05:00

percpu_freelist.h

bpf: introduce percpu_freelist

2016-03-08 15:28:31 -05:00

sockmap.c

bpf: fix oops on allocation failure

2017-08-28 15:23:34 -07:00

stackmap.c

bpf: Allow selecting numa node during map creation

2017-08-19 21:35:43 -07:00

syscall.c

bpf: convert sockmap field attach_bpf_fd2 to type

2017-08-28 11:13:21 -07:00

tnum.c

bpf/verifier: track signed and unsigned min/max values

2017-08-08 17:51:34 -07:00

verifier.c

bpf/verifier: document liveness analysis

2017-08-23 22:38:08 -07:00