Hello:
This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:
On Wed, 3 Jul 2024 16:39:31 +0800 you wrote:
> From: Geliang Tang <tanggeliang@xxxxxxxxxx>
>
> Run this BPF selftests (./test_progs -t sockmap_basic) on a Loongarch
> platform, a kernel panic occurs:
>
> '''
> Oops[#1]:
> CPU: 22 PID: 2824 Comm: test_progs Tainted: G OE 6.10.0-rc2+ #18
> Hardware name: LOONGSON Dabieshan/Loongson-TC542F0, BIOS Loongson-UDK2018
> ... ...
> ra: 90000000048bf6c0 sk_msg_recvmsg+0x120/0x560
> ERA: 9000000004162774 copy_page_to_iter+0x74/0x1c0
> CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE)
> PRMD: 0000000c (PPLV0 +PIE +PWE)
> EUEN: 00000007 (+FPE +SXE +ASXE -BTE)
> ECFG: 00071c1d (LIE=0,2-4,10-12 VS=7)
> ESTAT: 00010000 [PIL] (IS= ECode=1 EsubCode=0)
> BADV: 0000000000000040
> PRID: 0014c011 (Loongson-64bit, Loongson-3C5000)
> Modules linked in: bpf_testmod(OE) xt_CHECKSUM xt_MASQUERADE xt_conntrack
> Process test_progs (pid: 2824, threadinfo=0000000000863a31, task=...)
> Stack : ...
> ...
> Call Trace:
> [<9000000004162774>] copy_page_to_iter+0x74/0x1c0
> [<90000000048bf6c0>] sk_msg_recvmsg+0x120/0x560
> [<90000000049f2b90>] tcp_bpf_recvmsg_parser+0x170/0x4e0
> [<90000000049aae34>] inet_recvmsg+0x54/0x100
> [<900000000481ad5c>] sock_recvmsg+0x7c/0xe0
> [<900000000481e1a8>] __sys_recvfrom+0x108/0x1c0
> [<900000000481e27c>] sys_recvfrom+0x1c/0x40
> [<9000000004c076ec>] do_syscall+0x8c/0xc0
> [<9000000003731da4>] handle_syscall+0xc4/0x160
>
> [...]
Here is the summary with links:
- [net,v5] skmsg: skip zero length skb in sk_msg_recvmsg
https://git.kernel.org/bpf/bpf/c/f0c180256937
You are awesome, thank you!
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