json: decrease DEPTH_MAX to 4k
This makes DEPTH_MAX lower value, as test-json fails with stack overflow. Note that the test can pass with 8k, but for safety, here set to 4k. Fixes #10738.
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@ -24,10 +24,11 @@
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#include "terminal-util.h"
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#include "utf8.h"
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/* Refuse putting together variants with a larger depth than 16K by default (as a protection against overflowing stacks
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/* Refuse putting together variants with a larger depth than 4K by default (as a protection against overflowing stacks
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* if code processes JSON objects recursively. Note that we store the depth in an uint16_t, hence make sure this
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* remains under 2^16. */
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#define DEPTH_MAX (16U*1024U)
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* remains under 2^16.
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* The value was 16k, but it was discovered to be too high on llvm/x86-64. See also the issue #10738. */
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#define DEPTH_MAX (4U*1024U)
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assert_cc(DEPTH_MAX <= UINT16_MAX);
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typedef struct JsonSource {
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