Hello, I can't reproduce the crash.
I get a lot of "Nonfatal Error : 'SEGV-ProcessGpsInfo-gpsinfo-122' Maximum Exif directory nesting exceeded (corrupt Exif header)" but NO crash. How can I reproduce the problem? Thanks On Wed, 5 Aug 2020 12:13:01 +0800 Anshunkang Zhou <seviez...@gmail.com> wrote: > Package: jhead > Version: 1:3.04-2 > Severity: important > > Dear Maintainer, > > I found a segmentation fault in the latest version of jhead, detailed > information is as follows, the poc is in the mail attachment. > > ## System info > > Ubuntu x86_64, gcc , jhead (latest 1:3.04-2) > > ## Configure > > CFLAGS="-g -fsanitize=address" LDFLAGS="-fsanitize=address" make > > ## Command line > > ./jhead -ft -exifmap -de -purejpg -di -dx @@ > > ## Output > > ``` > Segmentation fault > ``` > > ## AddressSanitizer output > > ``` > ASAN:SIGSEGV > ================================================================= > ==27891==ERROR: AddressSanitizer: SEGV on unknown address > 0x61a00003f288 (pc 0x00000042cb79 bp 0x000000000002 sp 0x7ffefb7a18f0 > T0) > #0 0x42cb78 in ProcessGpsInfo /home/seviezhou/jhead/gpsinfo.c:122 > #1 0x42411f in ProcessExifDir /home/seviezhou/jhead/exif.c:866 > #2 0x423e0e in ProcessExifDir /home/seviezhou/jhead/exif.c:852 > #3 0x4255e1 in process_EXIF /home/seviezhou/jhead/exif.c:1041 > #4 0x4103ad in ReadJpegSections /home/seviezhou/jhead/jpgfile.c:287 > #5 0x4117ce in ReadJpegSections /home/seviezhou/jhead/jpgfile.c:126 > #6 0x4117ce in ReadJpegFile /home/seviezhou/jhead/jpgfile.c:379 > #7 0x408e4e in ProcessFile /home/seviezhou/jhead/jhead.c:905 > #8 0x402e40 in main /home/seviezhou/jhead/jhead.c:1756 > #9 0x7ff98ecdf83f in __libc_start_main > (/lib/x86_64-linux-gnu/libc.so.6+0x2083f) > #10 0x406c88 in _start (/home/seviezhou/jhead/jhead+0x406c88) > > AddressSanitizer can not provide additional info. > SUMMARY: AddressSanitizer: SEGV /home/seviezhou/jhead/gpsinfo.c:122 > ProcessGpsInfo > ==27891==ABORTING > ```
