Fix prof_alloc_rollback().
Fix prof_alloc_rollback() to read tdata from thread-specific data rather than dereferencing a potentially invalid tctx.
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@ -12,6 +12,8 @@ brevity. Much more detail can be found in the git revision history:
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so this fix removes buggy code without loss of generality.
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so this fix removes buggy code without loss of generality.
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- Fix irallocx_prof_sample() to always allocate large regions, even when
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- Fix irallocx_prof_sample() to always allocate large regions, even when
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alignment is non-zero.
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alignment is non-zero.
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- Fix prof_alloc_rollback() to read tdata from thread-specific data rather
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than dereferencing a potentially invalid tctx.
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* 4.0.1 (September 15, 2015)
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* 4.0.1 (September 15, 2015)
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@ -209,7 +209,7 @@ prof_alloc_rollback(tsd_t *tsd, prof_tctx_t *tctx, bool updated)
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*/
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*/
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tdata = prof_tdata_get(tsd, true);
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tdata = prof_tdata_get(tsd, true);
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if (tdata != NULL)
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if (tdata != NULL)
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prof_sample_threshold_update(tctx->tdata);
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prof_sample_threshold_update(tdata);
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}
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}
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if ((uintptr_t)tctx > (uintptr_t)1U) {
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if ((uintptr_t)tctx > (uintptr_t)1U) {
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