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android_kernel_motorola_sm6375/kernel/bpf
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Repository files (latest commit first)
Filename Latest commit message Latest commit date
John Fastabend 99ba2b5aba bpf: sockhash, disallow bpf_tcp_close and update in parallel 
After latest lock updates there is no longer anything preventing a
close and recvmsg call running in parallel. Additionally, we can
race update with close if we close a socket and simultaneously update
if via the BPF userspace API (note the cgroup ops are already run
with sock_lock held).

To resolve this take sock_lock in close and update paths.

Reported-by: syzbot+b680e42077a0d7c9a0c4@syzkaller.appspotmail.com
Fixes: e9db4ef6bf ("bpf: sockhash fix omitted bucket lock in sock_close")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-07-07 15:19:30 -07:00
..
arraymap.c bpf: btf: Rename btf_key_id and btf_value_id in bpf_map_info 2018-05-23 12:03:32 +02:00
bpf_lru_list.c
bpf_lru_list.h
btf.c treewide: kvzalloc() -> kvcalloc() 2018-06-12 16:19:22 -07:00
cgroup.c bpf: fix attach type BPF_LIRC_MODE2 dependency wrt CONFIG_CGROUP_BPF 2018-06-26 11:28:38 +02:00
core.c bpf: undo prog rejection on read-only lock failure 2018-06-29 10:47:35 -07:00
cpumap.c xdp: introduce xdp_return_frame_rx_napi 2018-05-24 18:36:15 -07:00
devmap.c xdp: Fix handling of devmap in generic XDP 2018-06-15 23:47:15 +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: hash map: decrement counter on error 2018-07-03 23:26:28 +02:00
helpers.c bpf: implement bpf_get_current_cgroup_id() helper 2018-06-03 18:22:41 -07:00
inode.c bpf: implement dummy fops for bpf objects 2018-06-08 10:58:48 -07:00
lpm_trie.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
Makefile bpf: introduce new bpf AF_XDP map type BPF_MAP_TYPE_XSKMAP 2018-05-03 15:55:24 -07:00
map_in_map.c
map_in_map.h
offload.c bpf: offload: allow offloaded programs to use perf event arrays 2018-05-04 23:41:03 +02:00
percpu_freelist.c
percpu_freelist.h
sockmap.c bpf: sockhash, disallow bpf_tcp_close and update in parallel 2018-07-07 15:19:30 -07:00
stackmap.c bpf: avoid -Wmaybe-uninitialized warning 2018-05-28 17:40:59 +02:00
syscall.c bpf: sockhash, disallow bpf_tcp_close and update in parallel 2018-07-07 15:19:30 -07:00
tnum.c bpf/verifier: improve register value range tracking with ARSH 2018-04-29 08:45:53 -07:00
verifier.c treewide: Use array_size() in vzalloc() 2018-06-12 16:19:22 -07:00
xskmap.c xsk: clean up SPDX headers 2018-05-18 16:07:02 +02:00