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Check frame size limit before returning to a lower frame.

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Thanks to Sergey Kaplun. #1173
This commit is contained in:
Mike Pall 2024-03-10 17:19:29 +01:00
parent dda1ac273a
commit 302366a338
1 changed files with 2 additions and 0 deletions
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2
src/lj_record.c
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@ -749,6 +749,8 @@ void lj_record_ret(jit_State *J, BCReg rbase, ptrdiff_t gotresults)
lj_trace_err(J, LJ_TRERR_LLEAVE); lj_trace_err(J, LJ_TRERR_LLEAVE);
} else if (J->needsnap) { /* Tailcalled to ff with side-effects. */ } else if (J->needsnap) { /* Tailcalled to ff with side-effects. */
lj_trace_err(J, LJ_TRERR_NYIRETL); /* No way to insert snapshot here. */ lj_trace_err(J, LJ_TRERR_NYIRETL); /* No way to insert snapshot here. */
} else if (1 + pt->framesize >= LJ_MAX_JSLOTS) {
lj_trace_err(J, LJ_TRERR_STACKOV);
} else { /* Return to lower frame. Guard for the target we return to. */ } else { /* Return to lower frame. Guard for the target we return to. */
TRef trpt = lj_ir_kgc(J, obj2gco(pt), IRT_PROTO); TRef trpt = lj_ir_kgc(J, obj2gco(pt), IRT_PROTO);
TRef trpc = lj_ir_kptr(J, (void *)frame_pc(frame)); TRef trpc = lj_ir_kptr(J, (void *)frame_pc(frame));