update kernel to 5.10.198

hc

2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/tools/testing/selftests/bpf/verifier/spill_fill.c
..
..
@@ -29,6 +29,36 @@
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 	.result_unpriv = ACCEPT,
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 },
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 {
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+	"check valid spill/fill, ptr to mem",
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+	.insns = {
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+	/* reserve 8 byte ringbuf memory */
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+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
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+	BPF_LD_MAP_FD(BPF_REG_1, 0),
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+	BPF_MOV64_IMM(BPF_REG_2, 8),
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+	BPF_MOV64_IMM(BPF_REG_3, 0),
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+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve),
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+	/* store a pointer to the reserved memory in R6 */
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+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
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+	/* check whether the reservation was successful */
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+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
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+	/* spill R6(mem) into the stack */
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+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
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+	/* fill it back in R7 */
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+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_10, -8),
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+	/* should be able to access *(R7) = 0 */
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+	BPF_ST_MEM(BPF_DW, BPF_REG_7, 0, 0),
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+	/* submit the reserved ringbuf memory */
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+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
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+	BPF_MOV64_IMM(BPF_REG_2, 0),
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+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit),
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+	BPF_MOV64_IMM(BPF_REG_0, 0),
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+	BPF_EXIT_INSN(),
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+	},
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+	.fixup_map_ringbuf = { 1 },
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+	.result = ACCEPT,
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+	.result_unpriv = ACCEPT,
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+},
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+{
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 	"check corrupted spill/fill",
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 	.insns = {
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 	/* spill R1(ctx) into stack */