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authorJohn Keeping <john@keeping.me.uk>2014-01-12 16:49:40 +0000
committerJason A. Donenfeld <Jason@zx2c4.com>2014-01-12 19:32:20 +0100
commit382ecf152e1bd9546f6c84ace71c62ca07f6648b (patch)
treeb3a66c0bbab90bd5bd4abf20647c5203061099a8 /.gitmodules
parentfilter: split filter functions into their own file (diff)
downloadcgit-382ecf152e1bd9546f6c84ace71c62ca07f6648b.tar.xz
cgit-382ecf152e1bd9546f6c84ace71c62ca07f6648b.zip
cache: don't leave cache_slot fields uninitialized
Valgrind says: ==18344== Conditional jump or move depends on uninitialised value(s) ==18344== at 0x406C83: open_slot (cache.c:63) ==18344== by 0x407478: cache_ls (cache.c:403) ==18344== by 0x404C9A: process_request (cgit.c:639) ==18344== by 0x406BD2: fill_slot (cache.c:190) ==18344== by 0x4071A0: cache_process (cache.c:284) ==18344== by 0x404461: main (cgit.c:952) ==18344== Uninitialised value was created by a stack allocation ==18344== at 0x40738B: cache_ls (cache.c:375) This is caused by the keylen field being used to calculate whether or not a slot is matched. We never then check the value of this and the length of data read depends on the key length read from the file so this isn't dangerous, but it's nice to avoid branching based on uninitialized data. Signed-off-by: John Keeping <john@keeping.me.uk>
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