mirror of
https://gitlab.alpinelinux.org/alpine/aports.git
synced 2025-12-31 14:22:14 +01:00
2fafe3d1eb
we can not guarantee that block size specified in user data will not overflow the stack so we need to use malloc. this fixes segfault when doing unsquashfs
22 lines
431 B
Diff
22 lines
431 B
Diff
--- ./squashfs-tools/unsquashfs.c.orig
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+++ ./squashfs-tools/unsquashfs.c
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@@ -2099,7 +2099,9 @@
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*/
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void *inflator(void *arg)
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{
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- char tmp[block_size];
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+ char *tmp = malloc(block_size);
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+ if(tmp == NULL)
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+ EXIT_UNSQUASH("Out of memory allocating block buffer\n");
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while(1) {
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struct cache_entry *entry = queue_get(to_inflate);
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@@ -2122,6 +2124,7 @@
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*/
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cache_block_ready(entry, res == -1);
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}
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+ free(tmp);
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}
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