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The selftest can reproduce an issue where using bpf_msg_pop_data() in
ktls causes errors on the receiving end.
Signed-off-by: Jiayuan Chen <jiayuan.chen@linux.dev>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20250609020910.397930-3-jiayuan.chen@linux.dev
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The selftest can reproduce an issue where we miss the uncharge operation
when freeing msg, which will cause the following warning. We fixed the
issue and added this reproducer to selftest to ensure it will not happen
again.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 40 at net/ipv4/af_inet.c inet_sock_destruct+0x173/0x1d5
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014
Workqueue: events sk_psock_destroy
RIP: 0010:inet_sock_destruct+0x173/0x1d5
RSP: 0018:ffff8880085cfc18 EFLAGS: 00010202
RAX: 1ffff11003dbfc00 RBX: ffff88801edfe3e8 RCX: ffffffff822f5af4
RDX: 0000000000000007 RSI: dffffc0000000000 RDI: ffff88801edfe16c
RBP: ffff88801edfe184 R08: ffffed1003dbfc31 R09: 0000000000000000
R10: ffffffff822f5ab7 R11: ffff88801edfe187 R12: ffff88801edfdec0
R13: ffff888020376ac0 R14: ffff888020376ac0 R15: ffff888020376a60
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556365155830 CR3: 000000001d6aa000 CR4: 0000000000350ef0
Call Trace:
<TASK>
__sk_destruct+0x46/0x222
sk_psock_destroy+0x22f/0x242
process_one_work+0x504/0x8a8
? process_one_work+0x39d/0x8a8
? __pfx_process_one_work+0x10/0x10
? worker_thread+0x44/0x2ae
? __list_add_valid_or_report+0x83/0xea
? srso_return_thunk+0x5/0x5f
? __list_add+0x45/0x52
process_scheduled_works+0x73/0x82
worker_thread+0x1ce/0x2ae
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Jiayuan Chen <jiayuan.chen@linux.dev>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20250425060015.6968-3-jiayuan.chen@linux.dev
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add ktls selftest for sockmap
Test results:
sockmap_ktls/sockmap_ktls disconnect_after_delete IPv4 SOCKMAP:OK
sockmap_ktls/sockmap_ktls update_fails_when_sock_has_ulp IPv4 SOCKMAP:OK
sockmap_ktls/sockmap_ktls disconnect_after_delete IPv4 SOCKMAP:OK
sockmap_ktls/sockmap_ktls update_fails_when_sock_has_ulp IPv4 SOCKMAP:OK
sockmap_ktls/sockmap_ktls disconnect_after_delete IPv4 SOCKMAP:OK
sockmap_ktls/sockmap_ktls update_fails_when_sock_has_ulp IPv4 SOCKMAP:OK
sockmap_ktls/sockmap_ktls disconnect_after_delete IPv4 SOCKMAP:OK
sockmap_ktls/sockmap_ktls update_fails_when_sock_has_ulp IPv4 SOCKMAP:OK
sockmap_ktls/tls simple offload:OK
sockmap_ktls/tls tx cork:OK
sockmap_ktls/tls tx cork with push:OK
sockmap_ktls/tls simple offload:OK
sockmap_ktls/tls tx cork:OK
sockmap_ktls/tls tx cork with push:OK
sockmap_ktls:OK
Signed-off-by: Jiayuan Chen <jiayuan.chen@linux.dev>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/r/20250219052015.274405-3-jiayuan.chen@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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