nscd: avoid assertion failure during persistent db check
nscd should not abort when it finds inconsistencies in the persistent db.
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@ -1,3 +1,7 @@
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2018-12-19 Andreas Schwab <schwab@suse.de>
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* nscd/connections.c (check_use): Don't abort on invalid len.
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2018-12-18 Samuel Thibault <samuel.thibault@ens-lyon.org>
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2018-12-18 Samuel Thibault <samuel.thibault@ens-lyon.org>
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* sysdeps/mach/hurd/fcntl.c (__libc_fcntl): Test against 64bit `cmd'
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* sysdeps/mach/hurd/fcntl.c (__libc_fcntl): Test against 64bit `cmd'
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@ -304,7 +304,8 @@ static int
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check_use (const char *data, nscd_ssize_t first_free, uint8_t *usemap,
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check_use (const char *data, nscd_ssize_t first_free, uint8_t *usemap,
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enum usekey use, ref_t start, size_t len)
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enum usekey use, ref_t start, size_t len)
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{
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{
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assert (len >= 2);
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if (len < 2)
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return 0;
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if (start > first_free || start + len > first_free
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if (start > first_free || start + len > first_free
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|| (start & BLOCK_ALIGN_M1))
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|| (start & BLOCK_ALIGN_M1))
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