[Bug 1811901] Re: shim crashes in OBJ_create()

[Launchpad Bug Tracker]

This bug was fixed in the package shim - 15+1552672080.a4a1fbe-0ubuntu1

---------------
shim (15+1552672080.a4a1fbe-0ubuntu1) eoan; urgency=medium

  * New upstream snapshot 15+1552672080.a4a1fbe.
  * debian/patches/VLogError-Avoid-NULL-pointer-dereferences-in-V-Sprin.patch,
    debian/patches/fixup_git.patch: drop patches included in upstream.
  * debian/patches/MokManager-avoid-unaligned.patch: Fix compilation with GCC9:
    avoid -Werror=address-of-packed-member errors in MokManager.
  * debian/patches/tpm-correctness-1.patch,
    debian/patches/tpm-correctness-2.patch: fix issues in TPM calls to ensure
    the measurements are consistent with what is entered in the TPM event log.
  * debian/patches/tpm-correctness-3.patch: Don't log duplicate identical
    TPM events.
  * debian/patches/MokManager-hidpi-support.patch: Do a little bit more to
    try to get a more usable screen resolution for MokManager when running on
    HiDPI screens; by trying to detect such cases and switching to mode 0.
  * debian/rules: update COMMIT_ID explicitly for this new snapshot.

 -- Mathieu Trudel-Lapierre <cyphermox at ubuntu.com>  Fri, 11 Oct 2019
16:32:32 -0400

** Changed in: shim (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1811901

Title:
  shim crashes in OBJ_create()

Status in shim package in Ubuntu:
  Fix Released
Status in shim-signed package in Ubuntu:
  Fix Committed

Bug description:
  After working around LP: #1811722, I hit another bug that causes shim
  to crash on arm64. Backtrace (w/ manually decoded function names):

  Synchronous Exception at 0x00000000B81D71E8
  PC 0x0000B81D71E8 strcmpa
  PC 0x0000B816DF14 strcmp
  PC 0x0000B81751D4 strcmp
  PC 0x0000B817582C OBJ_bsearch_ex_
  PC 0x0000B81759EC OBJ_create
  PC 0x0000B8161B9C verify_eku
  PC 0x0000B8161F74 check_db_cert_in_ram
  PC 0x0000B81622BC check_db_cert
  PC 0x0000B8162EC4 check_whitelist
  PC 0x0000B8164988 verify_buffer
  PC 0x0000B8165534 handle_image
  PC 0x0000B8167190 start_image
  PC 0x0000B81672DC init_grub
  PC 0x0000B81683FC efi_main
  PC 0x0000B8161030 _start
  PC 0x0000BF4C7C78 (0x0000BF4C1000+0x00006C78) [ 1] DxeCore.dll

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