memory exhausted in iwgif_init_screen #30
Description
root@ubuntu:/home/hjy/Desktop# imagew oom-iwgif_init_screen1 imout/out -outfmt png
oom-iwgif_init_screen1 → imout/out
==12401==ERROR: AddressSanitizer failed to allocate 0x76eb4000 (1995128832) bytes of LargeMmapAllocator: 12
==12401==Process memory map follows:
0x08048000-0x0812c000 /usr/local/bin/imagew
0x0812c000-0x0812d000 /usr/local/bin/imagew
0x0812d000-0x08131000 /usr/local/bin/imagew
0x1ffff000-0x24000000
0x24000000-0x28000000
0x28000000-0x40000000
0xb4200000-0xb4300000
0xb4400000-0xb4500000
0xb4600000-0xb4700000
0xb4800000-0xb4900000
0xb4a00000-0xb4b00000
0xb4c00000-0xb4d00000
0xb4e00000-0xb4f00000
0xb5000000-0xb5100000
0xb5200000-0xb5300000
0xb5400000-0xb5500000
0xb5600000-0xb5800000 /usr/lib/locale/locale-archive
0xb5800000-0xb5900000
0xb5a00000-0xb5b00000
0xb5c00000-0xb5d00000
0xb5d8f000-0xb6f24000
0xb6f24000-0xb6f3f000 /lib/i386-linux-gnu/libgcc_s.so.1
0xb6f3f000-0xb6f40000 /lib/i386-linux-gnu/libgcc_s.so.1
0xb6f40000-0xb6f41000 /lib/i386-linux-gnu/libgcc_s.so.1
0xb6f41000-0xb6f44000 /lib/i386-linux-gnu/libdl-2.19.so
0xb6f44000-0xb6f45000 /lib/i386-linux-gnu/libdl-2.19.so
0xb6f45000-0xb6f46000 /lib/i386-linux-gnu/libdl-2.19.so
0xb6f46000-0xb6f47000
0xb6f47000-0xb6f5f000 /lib/i386-linux-gnu/libpthread-2.19.so
0xb6f5f000-0xb6f60000 /lib/i386-linux-gnu/libpthread-2.19.so
0xb6f60000-0xb6f61000 /lib/i386-linux-gnu/libpthread-2.19.so
0xb6f61000-0xb6f63000
0xb6f63000-0xb710c000 /lib/i386-linux-gnu/libc-2.19.so
0xb710c000-0xb710e000 /lib/i386-linux-gnu/libc-2.19.so
0xb710e000-0xb710f000 /lib/i386-linux-gnu/libc-2.19.so
0xb710f000-0xb7112000
0xb7112000-0xb712a000 /lib/i386-linux-gnu/libz.so.1.2.8
0xb712a000-0xb712b000 /lib/i386-linux-gnu/libz.so.1.2.8
0xb712b000-0xb712c000 /lib/i386-linux-gnu/libz.so.1.2.8
0xb712c000-0xb7152000 /lib/i386-linux-gnu/libpng12.so.0.50.0
0xb7152000-0xb7153000 /lib/i386-linux-gnu/libpng12.so.0.50.0
0xb7153000-0xb7154000 /lib/i386-linux-gnu/libpng12.so.0.50.0
0xb7154000-0xb719d000 /usr/lib/i386-linux-gnu/libjpeg.so.8.0.2
0xb719d000-0xb719e000 /usr/lib/i386-linux-gnu/libjpeg.so.8.0.2
0xb719e000-0xb719f000 /usr/lib/i386-linux-gnu/libjpeg.so.8.0.2
0xb719f000-0xb71b0000
0xb71b0000-0xb71f4000 /lib/i386-linux-gnu/libm-2.19.so
0xb71f4000-0xb71f5000 /lib/i386-linux-gnu/libm-2.19.so
0xb71f5000-0xb71f6000 /lib/i386-linux-gnu/libm-2.19.so
0xb71f6000-0xb7295000 /usr/lib/i386-linux-gnu/libasan.so.1.0.0
0xb7295000-0xb7297000 /usr/lib/i386-linux-gnu/libasan.so.1.0.0
0xb7297000-0xb7298000 /usr/lib/i386-linux-gnu/libasan.so.1.0.0
0xb7298000-0xb76f0000
0xb76f8000-0xb76fc000
0xb76fd000-0xb76ff000
0xb76ff000-0xb7700000 /usr/lib/locale/locale-archive
0xb7700000-0xb7707000
0xb7707000-0xb7708000 [vdso]
0xb7708000-0xb7728000 /lib/i386-linux-gnu/ld-2.19.so
0xb7728000-0xb7729000 /lib/i386-linux-gnu/ld-2.19.so
0xb7729000-0xb772a000 /lib/i386-linux-gnu/ld-2.19.so
0xbfcd7000-0xbfcf8000 [stack]
==12401==End of process memory map.
==12401==AddressSanitizer CHECK failed: ../../../../src/libsanitizer/sanitizer_common/sanitizer_posix.cc:66 "(("unable to mmap" && 0)) != (0)" (0x0, 0x0)
#0 0xb724a4c1 (/usr/lib/i386-linux-gnu/libasan.so.1+0x544c1)
#1 0xb724e6a9 in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) (/usr/lib/i386-linux-gnu/libasan.so.1+0x586a9)
#2 0xb7253e22 (/usr/lib/i386-linux-gnu/libasan.so.1+0x5de22)
#3 0xb720e99b (/usr/lib/i386-linux-gnu/libasan.so.1+0x1899b)
#4 0xb720f488 (/usr/lib/i386-linux-gnu/libasan.so.1+0x19488)
#5 0xb724484a in __interceptor_malloc (/usr/lib/i386-linux-gnu/libasan.so.1+0x4e84a)
#6 0x8115495 in iw_malloc_ex src/imagew-util.c:48
#7 0x8115495 in iw_malloc_large src/imagew-util.c:77
#8 0x80dee52 in iwgif_init_screen src/imagew-gif.c:510
#9 0x80dee52 in iwgif_read_image src/imagew-gif.c:670
#10 0x80e89c4 in iwgif_read_main src/imagew-gif.c:742
#11 0x80e89c4 in iw_read_gif_file src/imagew-gif.c:791
#12 0x80536ad in iwcmd_run src/imagew-cmd.c:1191
#13 0x80689b0 in iwcmd_main src/imagew-cmd.c:3018
#14 0x804a94a in main src/imagew-cmd.c:3067
#15 0xb6f7ca82 in __libc_start_main (/lib/i386-linux-gnu/libc.so.6+0x19a82)
#16 0x804ae2f (/usr/local/bin/imagew+0x804ae2f)
POC https://github.com/whiteHat001/FUZZ_POC/blob/master/oom-iwgif_init_screen1