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rockcarry / ffjpeg

a simple jpeg codec.
GNU General Public License v3.0
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memory leak #52

Open Cvjark opened 2 years ago

Cvjark commented 2 years ago

sample file

id8_memory_leak.zip

command to reproduce

./ffjpeg -d [sample file]

execute info

usrc overflow

=================================================================
==16225==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 256 byte(s) in 1 object(s) allocated from:
    #0 0x4ae760 in malloc /home/bupt/Desktop/tools/llvm-12.0.1/llvm/projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:145
    #1 0x4f8ddf in jfif_decode /home/bupt/Desktop/ffjpeg/src/jfif.c:404:23
    #2 0x4f4495 in main /home/bupt/Desktop/ffjpeg/src/ffjpeg.c:24:9
    #3 0x7f9807bedc86 in __libc_start_main /build/glibc-CVJwZb/glibc-2.27/csu/../csu/libc-start.c:310

Direct leak of 256 byte(s) in 1 object(s) allocated from:
    #0 0x4ae760 in malloc /home/bupt/Desktop/tools/llvm-12.0.1/llvm/projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:145
    #1 0x4f8cfe in jfif_decode /home/bupt/Desktop/ffjpeg/src/jfif.c:404:23
    #2 0x4f4495 in main /home/bupt/Desktop/ffjpeg/src/ffjpeg.c:24:9
    #3 0x7f9807bedc86 in __libc_start_main /build/glibc-CVJwZb/glibc-2.27/csu/../csu/libc-start.c:310

Direct leak of 1 byte(s) in 1 object(s) allocated from:
    #0 0x4ae760 in malloc /home/bupt/Desktop/tools/llvm-12.0.1/llvm/projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:145
    #1 0x4f9ea7 in jfif_decode /home/bupt/Desktop/ffjpeg/src/jfif.c:445:21
    #2 0x4f4495 in main /home/bupt/Desktop/ffjpeg/src/ffjpeg.c:24:9
    #3 0x7f9807bedc86 in __libc_start_main /build/glibc-CVJwZb/glibc-2.27/csu/../csu/libc-start.c:310

Direct leak of 1 byte(s) in 1 object(s) allocated from:
    #0 0x4ae760 in malloc /home/bupt/Desktop/tools/llvm-12.0.1/llvm/projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:145
    #1 0x4f9e6b in jfif_decode /home/bupt/Desktop/ffjpeg/src/jfif.c:444:21
    #2 0x4f4495 in main /home/bupt/Desktop/ffjpeg/src/ffjpeg.c:24:9
    #3 0x7f9807bedc86 in __libc_start_main /build/glibc-CVJwZb/glibc-2.27/csu/../csu/libc-start.c:310

Direct leak of 1 byte(s) in 1 object(s) allocated from:
    #0 0x4ae760 in malloc /home/bupt/Desktop/tools/llvm-12.0.1/llvm/projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:145
    #1 0x4f9e25 in jfif_decode /home/bupt/Desktop/ffjpeg/src/jfif.c:443:21
    #2 0x4f4495 in main /home/bupt/Desktop/ffjpeg/src/ffjpeg.c:24:9
    #3 0x7f9807bedc86 in __libc_start_main /build/glibc-CVJwZb/glibc-2.27/csu/../csu/libc-start.c:310

SUMMARY: AddressSanitizer: 515 byte(s) leaked in 5 allocation(s).
wnpllrzodiac commented 1 year ago

Just a toy, cannot expect too much.