forked from pool/glibc
20 lines
969 B
Diff
20 lines
969 B
Diff
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Index: glibc-2.29/malloc/malloc.c
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===================================================================
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--- glibc-2.29.orig/malloc/malloc.c
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+++ glibc-2.29/malloc/malloc.c
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@@ -3876,10 +3876,14 @@ _int_malloc (mstate av, size_t bytes)
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{
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victim->fd_nextsize = fwd;
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victim->bk_nextsize = fwd->bk_nextsize;
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+ if (__glibc_unlikely (fwd->bk_nextsize->fd_nextsize != fwd))
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+ malloc_printerr ("malloc(): largebin double linked list corrupted (nextsize)");
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fwd->bk_nextsize = victim;
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victim->bk_nextsize->fd_nextsize = victim;
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}
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bck = fwd->bk;
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+ if (bck->fd != fwd)
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+ malloc_printerr ("malloc(): largebin double linked list corrupted (bk)");
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}
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}
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else
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