Created attachment 15715 [details] PDF document with signature field I have tried to sign the attached document (signature-field.pdf) with the attached certificate (JohnDoe.pfx) and I got the following segmentation fault. Starting program: /usr/bin/mupdf-gl a.pdf [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". error: cannot create appearance stream for Sig widgets warning: cannot create appearance stream error: cannot create appearance stream for Sig widgets warning: cannot create appearance stream error: cannot create appearance stream for Sig widgets warning: cannot create appearance stream Program received signal SIGSEGV, Segmentation fault. 0x00000000004947af in pdf_sign_signature (ctx=0xce3ca0, doc=0xecd320, widget=0x0, signer=0x1293140) at source/pdf/pdf-signature.c:75 75 pdf_obj *wobj = ((pdf_annot *)widget)->obj; (gdb) bt #0 0x00000000004947af in pdf_sign_signature (ctx=0xce3ca0, doc=0xecd320, widget=0x0, signer=0x1293140) at source/pdf/pdf-signature.c:75 #1 0x000000000040f576 in do_sign () at platform/gl/gl-form.c:25 #2 0x000000000040f6b0 in cert_password_dialog () at platform/gl/gl-form.c:59 #3 0x0000000000415296 in run_main_loop () at platform/gl/gl-main.c:1444 #4 0x0000000000415f4f in on_mouse (button=<optimized out>, action=<optimized out>, x=<optimized out>, y=<optimized out>) at platform/gl/gl-ui.c:323 #5 0x0000000000573a12 in fgPlatformProcessSingleEvent () at thirdparty/freeglut/src/x11/fg_main_x11.c:1144 #6 0x000000000056f113 in glutMainLoopEvent () at thirdparty/freeglut/src/fg_main.c:449 #7 0x000000000056f25d in glutMainLoop () at thirdparty/freeglut/src/fg_main.c:489 #8 0x000000000040995b in main (argc=<optimized out>, argv=0x7fffffffe1e8) at platform/gl/gl-main.c:1578 Just in case it helps, Pablo
Created attachment 15716 [details] Certificate with password "123456"
commit 68840d4a34e1e56ea9130158e8e163fb60550db4 Author: Tor Andersson <tor.andersson@artifex.com> Date: Wed Nov 7 19:44:55 2018 +0100 Fix 699840: Use saved sig_widget pointer to sign signatures, not selected_annot.