https://sourceware.org/bugzilla/show_bug.cgi?id=23061
Bug ID: 23061 Summary: objcopy segfault in coff_mangle_symbols Product: binutils Version: 2.31 (HEAD) Status: UNCONFIRMED Severity: normal Priority: P2 Component: binutils Assignee: unassigned at sourceware dot org Reporter: tom at ritter dot vg Target Milestone: --- Using commit: commit 4a4495d62d185bdae17ed6aae6ea8249ad07c799 (HEAD -> master, origin/master, origin/HEAD) Author: Markus Metzger <markus.t.metz...@intel.com> Date: Fri Feb 2 12:29:48 2018 +0100 (gdb) run -v --only-keep-debug xul.dll .debug/xul.dll.debug Starting program: /home/tom/Documents/moz/mingw-tools/objcopy-trunk -v --only-keep-debug xul.dll .debug/xul.dll.debug copy from `xul.dll' [pei-x86-64] to `.debug/xul.dll.debug' [pei-x86-64] Program received signal SIGSEGV, Segmentation fault. 0x0000555555625c50 in coff_mangle_symbols (bfd_ptr=bfd_ptr@entry=0x5555558c4510) at coffgen.c:849 849 a->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p->offset; (gdb) bt #0 0x0000555555625c50 in coff_mangle_symbols (bfd_ptr=bfd_ptr@entry=0x5555558c4510) at coffgen.c:849 #1 0x000055555562ec9d in coff_write_object_contents (abfd=<optimized out>) at coffcode.h:4083 #2 0x00005555555b57da in bfd_close (abfd=0x5555558c4510) at opncls.c:731 #3 0x0000555555590306 in copy_file (input_filename=0x7fffffffeb1a "xul.dll", output_filename=0x7fffffffeb22 ".debug/xul.dll.debug", input_target=<optimized out>, output_target=<optimized out>, input_arch=0x0) at objcopy.c:3539 #4 0x000055555558a21f in copy_main (argv=<optimized out>, argc=<optimized out>) at objcopy.c:5487 #5 main (argc=<optimized out>, argv=<optimized out>) at objcopy.c:5591 This is not a fuzzed input or anything; it is a real file generated from a MinGW build of Firefox. Repro file (xul.dll) is in https://queue.taskcluster.net/v1/task/eo3S-KOCTee1NmzZZTDsMA/runs/0/artifacts/public/build/target.zip -- You are receiving this mail because: You are on the CC list for the bug. _______________________________________________ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils