*** This bug is a duplicate of bug 1806517 ***
https://bugs.launchpad.net/bugs/1806517
This is possibly a duplicate of bug 1806517. Please check whether the
fixed version also fixes your problem.
** This bug has been marked a duplicate of bug 1806517
Ghostscript segmentation fault on PDF using -dFirstPage and -dLastPage
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https://bugs.launchpad.net/bugs/1807271
Title:
MaxBitmap causing segmentation fault
Status in ghostscript package in Ubuntu:
New
Bug description:
Ghostscript 9.26 is seeing a segfault when MaxBitmap is too high
combined with pngalpha and FirstPage settings. I've seen this on two
very different PDFs from different sources.
Running on Ubuntu 18.04
Command run:
% gs -dMaxBitmap=50000000 '-sDEVICE=pngalpha' -dFirstPage=1
'-sOutputFile=out.pdf' -fin.pdf
Causes a segfault
Changing MaxBitmap (or removing either of the pngalpha or FirstPage
options!?) takes away the seg fault. For example, this will pass:
% gs -dMaxBitmap=10000000 '-sDEVICE=pngalpha' -dFirstPage=1
'-sOutputFile=out.pdf' -fin.pdf
Backtrace on non-debug version when segfaulting:
#0 0xb73a5ce9 in ?? () from /usr/lib/i386-linux-gnu/libgs.so.9
#1 0xb72351f4 in ?? () from /usr/lib/i386-linux-gnu/libgs.so.9
#2 0xb71b26c3 in ?? () from /usr/lib/i386-linux-gnu/libgs.so.9
#3 0xb71b8558 in ?? () from /usr/lib/i386-linux-gnu/libgs.so.9
#4 0xb71b9d29 in send_pdf14trans () from /usr/lib/i386-linux-gnu/libgs.so.9
#5 0xb719f1c1 in ?? () from /usr/lib/i386-linux-gnu/libgs.so.9
#6 0xb71a0357 in gs_pop_pdf14trans_device () from
/usr/lib/i386-linux-gnu/libgs.so.9
#7 0xb74e5afc in ?? () from /usr/lib/i386-linux-gnu/libgs.so.9
#8 0xb748f07e in ?? () from /usr/lib/i386-linux-gnu/libgs.so.9
#9 0xb748f49f in gs_interpret () from /usr/lib/i386-linux-gnu/libgs.so.9
#10 0xb7481c30 in gs_main_run_string_end () from
/usr/lib/i386-linux-gnu/libgs.so.9
#11 0xb7481cbc in gs_main_run_string_with_length () from
/usr/lib/i386-linux-gnu/libgs.so.9
#12 0xb7481d03 in gs_main_run_string () from
/usr/lib/i386-linux-gnu/libgs.so.9
#13 0xb7483918 in ?? () from /usr/lib/i386-linux-gnu/libgs.so.9
#14 0xb7483a8d in ?? () from /usr/lib/i386-linux-gnu/libgs.so.9
#15 0xb7483b64 in ?? () from /usr/lib/i386-linux-gnu/libgs.so.9
#16 0xb7484337 in ?? () from /usr/lib/i386-linux-gnu/libgs.so.9
#17 0xb74852d0 in gs_main_init_with_args () from
/usr/lib/i386-linux-gnu/libgs.so.9
#18 0xb7486b82 in gsapi_init_with_args () from
/usr/lib/i386-linux-gnu/libgs.so.9
#19 0x00400835 in ?? ()
#20 0xb6f0be81 in __libc_start_main (main=0x400780, argc=6, argv=0xbffff704,
init=0x400aa0, fini=0x400b00,
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