Hello:
This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:
On Tue, 23 Jan 2024 02:32:07 +0000 you wrote:
> From: Pu Lehui <pulehui@xxxxxxxxxx>
>
> We encountered a kernel crash triggered by the bpf_tcp_ca testcase as
> show below:
>
> Unable to handle kernel paging request at virtual address ff60000088554500
> Oops [#1]
> ...
> CPU: 3 PID: 458 Comm: test_progs Tainted: G OE 6.8.0-rc1-kselftest_plain #1
> Hardware name: riscv-virtio,qemu (DT)
> epc : 0xff60000088554500
> ra : tcp_ack+0x288/0x1232
> epc : ff60000088554500 ra : ffffffff80cc7166 sp : ff2000000117ba50
> gp : ffffffff82587b60 tp : ff60000087be0040 t0 : ff60000088554500
> t1 : ffffffff801ed24e t2 : 0000000000000000 s0 : ff2000000117bbc0
> s1 : 0000000000000500 a0 : ff20000000691000 a1 : 0000000000000018
> a2 : 0000000000000001 a3 : ff60000087be03a0 a4 : 0000000000000000
> a5 : 0000000000000000 a6 : 0000000000000021 a7 : ffffffff8263f880
> s2 : 000000004ac3c13b s3 : 000000004ac3c13a s4 : 0000000000008200
> s5 : 0000000000000001 s6 : 0000000000000104 s7 : ff2000000117bb00
> s8 : ff600000885544c0 s9 : 0000000000000000 s10: ff60000086ff0b80
> s11: 000055557983a9c0 t3 : 0000000000000000 t4 : 000000000000ffc4
> t5 : ffffffff8154f170 t6 : 0000000000000030
> status: 0000000200000120 badaddr: ff60000088554500 cause: 000000000000000c
> Code: c796 67d7 0000 0000 0052 0002 c13b 4ac3 0000 0000 (0001) 0000
>
> [...]
Here is the summary with links:
- [bpf] riscv, bpf: Fix unpredictable kernel crash about RV64 struct_ops
https://git.kernel.org/bpf/bpf/c/1732ebc4a261
You are awesome, thank you!
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