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gs: fix dangleing pointer crash with "lock" (ghostscript Bug 697204)

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cinap_lenrek 2017-03-13 18:56:52 +01:00
parent 59ed389a6e
commit 9b2d3ed37a
1 changed files with 1 additions and 0 deletions
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sys/src/cmd/gs/src/zcontext.c
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@ -953,6 +953,7 @@ zlock(i_ctx_t *i_ctx_p)
return_error(e_VMerror);
plock->holder_index = 0;
plock->waiting.head_index = plock->waiting.tail_index = 0;
plock->scheduler = NULL;
push(1);
make_istruct(op, a_all, plock);
return 0;