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Crash when host out of memory #43

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larsbrinkhoff opened this issue Oct 11, 2019 · 1 comment

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larsbrinkhoff commented Oct 11, 2019 •

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@Pul-Ess discovered that KLH10 will crash if the host machine is out of memory and allocation of a shared memory segment fails.

Specifically, inside dvrpxx.c rp_clear will fail if rp->rp_sdprp is NULL.

larsbrinkhoff added the bug label

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larsbrinkhoff commented Oct 11, 2019

Original bug report:

KLH10> go
Starting KN10 at loc 0144550...

Salvager 260

Program received signal SIGSEGV, Segmentation fault.
                                                    0x00000000004243da in rp_clear (rp=rp@entry=0x649760 <dvrp>) at ../../src/dvrpxx.c:1190
1190        rp->rp_sdprp->dprp_err = 0; /* For now, so rp_ssta doesn't spill beans */

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