Public bug reported: # enviroment ubuntu 18.04 ./jhead poc
# version 3.04 # asan out ASAN:DEADLYSIGNAL ================================================================= ==10836==ERROR: AddressSanitizer: SEGV on unknown address 0x624000052108 (pc 0x55bba233d316 bp 0x0fff9bb96ac2 sp 0x7ffcddcb5570 T0) ==10836==The signal is caused by a READ memory access. #0 0x55bba233d315 in ProcessGpsInfo gpsinfo.c:122 #1 0x55bba232f4d5 in ProcessExifDir exif.c:866 #2 0x55bba233095a in process_EXIF exif.c:1041 #3 0x55bba231c382 in ReadJpegSections jpgfile.c:287 #4 0x55bba231d90e in ReadJpegSections jpgfile.c:126 #5 0x55bba231d90e in ReadJpegFile jpgfile.c:379 #6 0x55bba231366c in ProcessFile jhead.c:905 #7 0x55bba230eb2e in main jhead.c:1756 #8 0x7f785c448bf6 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21bf6) #9 0x55bba2311279 in _start (/home/fuzz/jhead-3.04/jhead+0x12279) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV gpsinfo.c:122 in ProcessGpsInfo ==10836==ABORTING ** Affects: jhead (Ubuntu) Importance: Undecided Status: New ** Attachment added: "poc4" https://bugs.launchpad.net/bugs/1921304/+attachment/5480701/+files/poc4 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1921304 Title: over read To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/jhead/+bug/1921304/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs