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Firefox 121 (on MacOS 10.15.6) suddenly will not boot: EXC_CRASH (Code Signature Invalid)

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DrLou
DrLou
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Am suddenly seeing a complete inability to even boot Firefox:

  1. * * System Integrity Protection: disabled
  1. * * Crashed Thread: Unknown
  1. * * Exception Type: EXC_CRASH (Code Signature Invalid)
  2. * * Exception Codes: 0x0000000000000000, 0x0000000000000000
  3. * * Exception Note: EXC_CORPSE_NOTIFY
  1. * * Termination Reason: Namespace CODESIGNING, Code 0x1
  1. * * kernel messages:
  1. * * VM Regions Near 0 (cr2):
  2. * * -->
  3. * * __TEXT 000000010f387000-000000010f38a000 [ 12K] r-x/r-x SM=COW
  1. * * Thread 0 Crashed:
  2. * * 0  ??? 0x0000000115708000 _dyld_start + 0
  1. * * Thread 0 crashed with X86 Thread State (64-bit):
  2. * * rax: 0x0000000000000000 rbx: 0x0000000000000000 rcx: 0x0000000000000000 rdx: 0x0000000000000000
  3. * * rdi: 0x0000000000000000 rsi: 0x0000000000000000 rbp: 0x0000000000000000 rsp: 0x00007ffee0878b88
  4. * * r8: 0x0000000000000000 r9: 0x0000000000000000 r10: 0x0000000000000000 r11: 0x0000000000000000
  5. * * r12: 0x0000000000000000 r13: 0x0000000000000000 r14: 0x0000000000000000 r15: 0x0000000000000000
  6. * * rip: 0x0000000115708000 rfl: 0x0000000000000200 cr2: 0x0000000000000000

Precursor to this was a couple of Firefox crashes, likely(?) related to insufficient disk space. With this now remediated, am seeing the same CODESIGNING error. Then reinstalled Firefox afresh; same findings.

Have also tried to boot directly into Profile manager, with the same error.

Then disabled all extensions (an experiment?) in the Mozilla/Extensions folder by renaming it. No Joy.

Given above, I cannot now log into Firefox now to examine any aspect of configuration which I might change/disable.

Of great concern would be salvage of the password store and a very large bookmarks collection.

Am suddenly seeing a complete inability to even boot Firefox: # * * System Integrity Protection: disabled # * * Crashed Thread: Unknown # * * Exception Type: EXC_CRASH (Code Signature Invalid) # * * Exception Codes: 0x0000000000000000, 0x0000000000000000 # * * Exception Note: EXC_CORPSE_NOTIFY # * * Termination Reason: Namespace CODESIGNING, Code 0x1 # * * kernel messages: # * * VM Regions Near 0 (cr2): # * * --> # * * __TEXT 000000010f387000-000000010f38a000 [ 12K] r-x/r-x SM=COW # * * Thread 0 Crashed: # * * 0 ??? 0x0000000115708000 _dyld_start + 0 # * * Thread 0 crashed with X86 Thread State (64-bit): # * * rax: 0x0000000000000000 rbx: 0x0000000000000000 rcx: 0x0000000000000000 rdx: 0x0000000000000000 # * * rdi: 0x0000000000000000 rsi: 0x0000000000000000 rbp: 0x0000000000000000 rsp: 0x00007ffee0878b88 # * * r8: 0x0000000000000000 r9: 0x0000000000000000 r10: 0x0000000000000000 r11: 0x0000000000000000 # * * r12: 0x0000000000000000 r13: 0x0000000000000000 r14: 0x0000000000000000 r15: 0x0000000000000000 # * * rip: 0x0000000115708000 rfl: 0x0000000000000200 cr2: 0x0000000000000000 Precursor to this was a couple of Firefox crashes, likely(?) related to insufficient disk space. With this now remediated, am seeing the same CODESIGNING error. Then reinstalled Firefox afresh; same findings. Have also tried to boot directly into Profile manager, with the same error. Then disabled all extensions (an experiment?) in the Mozilla/Extensions folder by renaming it. No Joy. Given above, I cannot now log into Firefox now to examine any aspect of configuration which I might change/disable. Of great concern would be salvage of the password store and a very large bookmarks collection.

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