Private bug reported: Description:
On TGL, $ git grep file_end ... [ 9631.412090] traps: git[1226522] control protection ip:7f0cd6e12e80 sp:7f0cc4b62b58 error:3(endbranch) (gdb) bt #0 0x00007f6e13778580 in ?? () #1 0x00007f6e136e3be8 in jit_machine_stack_exec () from /lib64/libpcre2-8.so.0 #2 0x00007f6e13710299 in pcre2_jit_match_8 () from /lib64/libpcre2-8.so.0 #3 0x000055ecc89e7dc5 in patmatch () #4 0x000055ecc89e8fb4 in grep_source_1 () #5 0x000055ecc890b33a in run () #6 0x00007f6e136944e2 in start_thread () from /lib64/libpthread.so.0 #7 0x00007f6e135c34b3 in clone () from /lib64/libc.so.6 (gdb) disass 140110749730176,+16 Dump of assembler code from 0x7f6e13778580 to 0x7f6e13778590: 0x00007f6e13778580: push %rbx <<< Missing ENDBR64 0x00007f6e13778581: push %r15 0x00007f6e13778583: push %r14 0x00007f6e13778585: push %r13 0x00007f6e13778587: push %rbp 0x00007f6e13778588: mov %rdi,%rbx 0x00007f6e1377858b: sub $0x50,%rsp 0x00007f6e1377858f: mov 0x10(%rbx),%rax End of assembler dump. (gdb) https://bugs.exim.org/show_bug.cgi?id=2509 Please follow up there. Fedora will inherit CET support from upstream when it become available there. I will close this Fedora bug report is it must be dealt in upstream. The CET enablement landed to PCRE2 upstream with: commit d0968b38f5e570f4eb061297c1b9f90e7c2a1396 Author: zherczeg <zherczeg@6239d852-aaf2-0410-a92c-79f79f948069> Date: Tue Jan 28 14:13:06 2020 +0000 JIT compiler update. git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@1215 6239d852-aaf2-0410-a92c-79f79f948069 Target Release: 20.10 ** Affects: intel Importance: Undecided Status: New ** Affects: ubuntu Importance: Undecided Status: New ** Tags: intel-cet-20.10 ** Also affects: ubuntu Importance: Undecided Status: New ** Information type changed from Public to Private -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1873135 Title: [TGL] JIT in pcre2 doesn't support CET To manage notifications about this bug go to: https://bugs.launchpad.net/intel/+bug/1873135/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
