diff mbox series

[bpf,v3,1/4] bpf, sockmap: Fix map type error in sock_map_del_link

Message ID 20230804073740.194770-2-xukuohai@huaweicloud.com (mailing list archive)
State Accepted
Commit 7e96ec0e6605b69bb21bbf6c0ff9051e656ec2b1
Delegated to: BPF
Headers show
Series bug fixes for sockmap | expand

Checks

Context Check Description
bpf/vmtest-bpf-PR fail PR summary
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for bpf
netdev/fixes_present success Fixes tag present in non-next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1330 this patch: 1330
netdev/cc_maintainers success CCed 10 of 10 maintainers
netdev/build_clang success Errors and warnings before: 1351 this patch: 1351
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 1353 this patch: 1353
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 18 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
bpf/vmtest-bpf-VM_Test-16 success Logs for test_progs_no_alu32 on s390x with gcc
bpf/vmtest-bpf-VM_Test-12 success Logs for test_progs on s390x with gcc
bpf/vmtest-bpf-VM_Test-8 success Logs for test_maps on s390x with gcc
bpf/vmtest-bpf-VM_Test-1 success Logs for ShellCheck
bpf/vmtest-bpf-VM_Test-2 success Logs for build for aarch64 with gcc
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bpf/vmtest-bpf-VM_Test-5 success Logs for build for x86_64 with llvm-16
bpf/vmtest-bpf-VM_Test-6 success Logs for set-matrix
bpf/vmtest-bpf-VM_Test-3 success Logs for build for s390x with gcc
bpf/vmtest-bpf-VM_Test-7 success Logs for test_maps on aarch64 with gcc
bpf/vmtest-bpf-VM_Test-9 success Logs for test_maps on x86_64 with gcc
bpf/vmtest-bpf-VM_Test-10 success Logs for test_maps on x86_64 with llvm-16
bpf/vmtest-bpf-VM_Test-13 success Logs for test_progs on x86_64 with gcc
bpf/vmtest-bpf-VM_Test-15 success Logs for test_progs_no_alu32 on aarch64 with gcc
bpf/vmtest-bpf-VM_Test-17 success Logs for test_progs_no_alu32 on x86_64 with gcc
bpf/vmtest-bpf-VM_Test-19 success Logs for test_progs_no_alu32_parallel on aarch64 with gcc
bpf/vmtest-bpf-VM_Test-20 success Logs for test_progs_no_alu32_parallel on x86_64 with gcc
bpf/vmtest-bpf-VM_Test-22 success Logs for test_progs_parallel on aarch64 with gcc
bpf/vmtest-bpf-VM_Test-23 success Logs for test_progs_parallel on x86_64 with gcc
bpf/vmtest-bpf-VM_Test-25 success Logs for test_verifier on aarch64 with gcc
bpf/vmtest-bpf-VM_Test-27 success Logs for test_verifier on x86_64 with gcc
bpf/vmtest-bpf-VM_Test-28 success Logs for test_verifier on x86_64 with llvm-16
bpf/vmtest-bpf-VM_Test-11 success Logs for test_progs on aarch64 with gcc
bpf/vmtest-bpf-VM_Test-14 success Logs for test_progs on x86_64 with llvm-16
bpf/vmtest-bpf-VM_Test-18 success Logs for test_progs_no_alu32 on x86_64 with llvm-16
bpf/vmtest-bpf-VM_Test-21 success Logs for test_progs_no_alu32_parallel on x86_64 with llvm-16
bpf/vmtest-bpf-VM_Test-24 success Logs for test_progs_parallel on x86_64 with llvm-16
bpf/vmtest-bpf-VM_Test-26 success Logs for test_verifier on s390x with gcc
bpf/vmtest-bpf-VM_Test-29 success Logs for veristat

Commit Message

Xu Kuohai Aug. 4, 2023, 7:37 a.m. UTC 
From: Xu Kuohai <xukuohai@huawei.com>

sock_map_del_link() operates on both SOCKMAP and SOCKHASH, although
both types have member named "progs", the offset of "progs" member in
these two types is different, so "progs" should be accessed with the
real map type.

Fixes: 604326b41a6f ("bpf, sockmap: convert to generic sk_msg interface")
Signed-off-by: Xu Kuohai <xukuohai@huawei.com>
Reviewed-by: John Fastabend <john.fastabend@gmail.com>
---
 net/core/sock_map.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/net/core/sock_map.c b/net/core/sock_map.c
index 19538d628714..936c5cabe9f3 100644
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c
@@ -148,13 +148,13 @@  static void sock_map_del_link(struct sock *sk,
 	list_for_each_entry_safe(link, tmp, &psock->link, list) {
 		if (link->link_raw == link_raw) {
 			struct bpf_map *map = link->map;
-			struct bpf_stab *stab = container_of(map, struct bpf_stab,
-							     map);
-			if (psock->saved_data_ready && stab->progs.stream_parser)
+			struct sk_psock_progs *progs = sock_map_progs(map);
+
+			if (psock->saved_data_ready && progs->stream_parser)
 				strp_stop = true;
-			if (psock->saved_data_ready && stab->progs.stream_verdict)
+			if (psock->saved_data_ready && progs->stream_verdict)
 				verdict_stop = true;
-			if (psock->saved_data_ready && stab->progs.skb_verdict)
+			if (psock->saved_data_ready && progs->skb_verdict)
 				verdict_stop = true;
 			list_del(&link->list);
 			sk_psock_free_link(link);